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Showing 1 - 60 of 539 Products



RadioShack® Infrared LED Emitter and Detector

Model: 276-142  |  Catalog #: 276-142

RadioShack® Infrared LED Emitter and Detector

Price:
$3.99

Use this RadioShack infrared LED emitter and detector in your latest hobby project.

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Availability: Online: In-Stock Usually ships in 1 - 2 business days In-store: Find it in your store


RadioShack® 5mm Ambient Light Sensor (5-Pack)

Model: 2760326  |  Catalog #: 276-326

RadioShack® 5mm Ambient Light Sensor (5-Pack)

Price:
$3.99

  • Light to current, analog output
  • Good output linearity across wide illumination rangeSee the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days In-store: Find it in your store


    +5V Fixed-Voltage Regulator 7805

    Model: 7805  |  Catalog #: 276-1770

    +5V Fixed-Voltage Regulator 7805

    Price:
    $1.99

    This high-power regulator has capabilities up to +5V at 1 amp.

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days In-store: Find it in your store


    NTE24 - Silicon NPN Complementary Transistor
    Web Only

    Model: NTE24  |  Catalog #: 55052614

    NTE24 - Silicon NPN Complementary Transistor

    Price:
    $1.47

    The NTE24 (NPN) is a complementary silicon transistor in a TO237-type package designed for general p...
    See the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    2N3904 NPN Small Signal Transistor

    Model: 2N3904  |  Catalog #: 276-2016

    2N3904 NPN Small Signal Transistor

    Price:
    $1.49

    Transistor has a power dissipation of 350mW and I(C) Max. of 200mA.

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    TLC555/TLC555CP LinCMOS Timer (8-Pin DIP)

    Model: TLC555/TLC555CP  |  Catalog #: 276-1718

    TLC555/TLC555CP LinCMOS Timer (8-Pin DIP)

    Price:
    $1.99

    TLC555/TLC555CP monolithic timing circuit is fully compatible with CMOS, TTL and MOS logic and opera...
    See the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days In-store: Find it in your store


    NTE491 - MOSFET N-Channel Enhancement High-Speed Switch 60V
    Web Only

    Model: NTE491  |  Catalog #: 55052763

    NTE491 - MOSFET N-Channel Enhancement High-Speed Switch 60V

    Price:
    $0.78

    The NTE491 is a MOSFET N−channel, enhancement mode high-speed switch.

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    LM741CN Operational Amplifier (8-Pin Dip)

    Model: LN741CN  |  Catalog #: 276-007

    LM741CN Operational Amplifier (8-Pin Dip)

    Price:
    $1.49

    A general purpose operational amplifier featuring improved performance over industry standards like ...
    See the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days In-store: Find it in your store


    LM386 Low Voltage Audio Power Amplifier (8-Pin DIP)

    Model: LM386  |  Catalog #: 276-1731

    LM386 Low Voltage Audio Power Amplifier (8-Pin DIP)

    Price:
    $1.99

    Let this power amplifier cater to your low voltage applications.

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days In-store: Find it in your store


    TIP31 NPN Transistor

    Model: TIP31  |  Catalog #: 276-2017

    TIP31 NPN Transistor

    Price:
    $1.99

    The TIP31 Transistor has a power dissipation of 40W.

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    RadioShack® LM555 Precision Timer (8-Pin DIP)

    Model: LM555  |  Catalog #: 276-1723

    RadioShack® LM555 Precision Timer (8-Pin DIP)

    Price:
    $1.99

  • Precision monolithic timing circuits
  • Capable of producing accurate time delays or oscill...
    See the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days In-store: Find it in your store


    TIP3055 NPN Transistor

    Model: TIP3055  |  Catalog #: 276-2020

    TIP3055 NPN Transistor

    Price:
    $1.99

    The TIP3055 has a power dissipation of 90W.

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    Availability: Online: Out-of-Stock Sign up for our back-in-stock email In-store: Find it in your store


    NTE2985  MOSFET Power N-Channel 60V 30A
    Web Only

    Model: NTE2985  |  Catalog #: 55052956

    NTE2985 MOSFET Power N-Channel 60V 30A

    Price:
    $2.67

  • Dynamic dv/dt rating
  • Logic level gate drive
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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    RadioShack®  NPN Transistors (15-Pack)

    Model: 276-1617  |  Catalog #: 276-1617

    RadioShack® NPN Transistors (15-Pack)

    Price:
    $3.49

    General-purpose silicon, high-speed, medium control switching 2N222 transistors.

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days In-store: Find it in your store


    MPS2222A Transistor

    Model: MPS2222A  |  Catalog #: 276-2009

    MPS2222A Transistor

    Price:
    $1.49

    Designed for high-speed, medium-power switching and general-purpose amplifier applications.

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    Availability: Online: Out-of-Stock Sign up for our back-in-stock email In-store: Find it in your store


    NTE7225 Integrated Circuit Precision Temperature Sensor
    Web Only

    Model: NTE7225  |  Catalog #: 55052802

    NTE7225 Integrated Circuit Precision Temperature Sensor

    Price:
    $1.97

    The NTE7225 is a precision temperature sensor in a TO-92 type package which can be easily calibrated...
    See the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    RadioShack® +12V Fixed-Voltage Regulator 7812

    Model: 7812  |  Catalog #: 276-1771

    RadioShack® +12V Fixed-Voltage Regulator 7812

    Price:
    $1.99

    Power up with this voltage regulator. May require heatsink in some applications.

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days In-store: Find it in your store


    NTE2344 120V Silicon PNP Darlington Transistor
    Web Only

    Model: NTE2344  |  Catalog #: 55052903

    NTE2344 120V Silicon PNP Darlington Transistor

    Price:
    $2.73

    • Complements NTE2343 (Cat. #55052902)
    • VCBO 120V, VCEO 120V, IC DC 12A, pulse 15A

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    NTE123 - T-NPN SI General Purpose AF-Amp 75V
    Web Only

    Model: NTE123  |  Catalog #: 55051979

    NTE123 - T-NPN SI General Purpose AF-Amp 75V

    Price:
    $1.47

    The NTE123 is a silicon NPN transistor general purpose audio amplifier switch.

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    Infrared Phototransistor

    Model: 276-145  |  Catalog #: 276-145

    Infrared Phototransistor

    Price:
    $1.99

    Use for help with lightwave communications.

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days In-store: Find it in your store


    RadioShack® 3mm Ambient Light Sensors (5-Pack)

    Model: 2760325  |  Catalog #: 276-325

    RadioShack® 3mm Ambient Light Sensors (5-Pack)

    Price:
    $3.99

  • Light to current, analog output
  • Good output linearity across wide illumination rangeSee the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days In-store: Find it in your store


    NTE152 NPN Transistor Audio-Power Amplifier/Switch
    Web Only

    Model: NTE152  |  Catalog #: 55052831

    NTE152 NPN Transistor Audio-Power Amplifier/Switch

    Price:
    $2.75

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    NTE NTE2361 T-NPN SI High Speed Switch
    Web Only

    Model: NTE2361  |  Catalog #: 55052605

    NTE NTE2361 T-NPN SI High Speed Switch

    Price:
    $0.99

    The NTE2361 (NPN) and NTE2362 (PNP) complimentary silicon transistors are designed for general&ndash...
    See the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    NTE3098 - Optoisolator with NPN Transistor Output 500V
    Web Only

    Model: NTE3098  |  Catalog #: 55052725

    NTE3098 - Optoisolator with NPN Transistor Output 500V

    Price:
    $3.04

    The NTE3098 consists of a phototransistor optically coupled to a gallium-arsenide infrared emitting ...
    See the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    NTE128 - T-NPN SI AF-Amp 140V
    Web Only

    Model: NTE128  |  Catalog #: 55051984

    NTE128 - T-NPN SI AF-Amp 140V

    Price:
    $1.99

    The NTE128 (NPN) and NTE129 (PNP) are silicon complementary transistors in a TO39 type package desig...
    See the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    RadioShack® Adjustable-Voltage Regulator LM317T

    Model: LM317T  |  Catalog #: 276-1778

    RadioShack® Adjustable-Voltage Regulator LM317T

    Price:
    $3.49

    Want options for your output voltage? This regulator has an adjustable range from +1.2 to 37VDC. May...
    See the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days In-store: Find it in your store


    PNP Amplifying Transistors (15-Pack)

    Model: 2N3906  |  Catalog #: 276-1604

    PNP Amplifying Transistors (15-Pack)

    Price:
    $3.49

    PNP small-signal type amplifying transistor, similar to 2N3904. 350mW dissipation. Package of 15.

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days In-store: Find it in your store


    NTE3120 - NPN Silicon Phototransistor
    Web Only

    Model: NTE3120  |  Catalog #: 55053303

    NTE3120 - NPN Silicon Phototransistor

    Price:
    $2.14

    The NTE3120 is a NPN silicon phototransistor detector 20V.

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    NTE NTE56039 Sensitive Gate TRIAC 500VRM 4A
    Web Only

    Model: NTE56039  |  Catalog #: 55053307

    NTE NTE56039 Sensitive Gate TRIAC 500VRM 4A

    Price:
    $1.79

    The NTE56039 is a glass passivated TRIAC in a plastic SOT82 type package designed for use in general...
    See the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    NTE NTE287 T-NPN SI  High Voltage General Purpose Amplifier
    Web Only

    Model: NTE287  |  Catalog #: 55052693

    NTE NTE287 T-NPN SI High Voltage General Purpose Amplifier

    Price:
    $1.14

    The NTE287 (NPN) & NTE288 (PNP) silicon complementary transistors are used for high voltage, general...
    See the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    NTE NTE2358 T-PNP SI with Two 22K Built-in Bias Resistors
    Web Only

    Model: NTE2358  |  Catalog #: 55052602

    NTE NTE2358 T-PNP SI with Two 22K Built-in Bias Resistors

    Price:
    $0.92

    The NTE2357 (NPN) and NTE2358 (PNP) are silicon complementary transistors in TO92 type packages with...
    See the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    NTE159 - Silicon PNP Transistor Audio Amplifier Switch
    Web Only

    Model: NTE159  |  Catalog #: 55052511

    NTE159 - Silicon PNP Transistor Audio Amplifier Switch

    Price:
    $2.00

    NTE159 silicon PNP transistor audio amplifier switch.

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    MOSFET IRF510 Transistor

    Model: IRF510  |  Catalog #: 276-2072

    MOSFET IRF510 Transistor

    Price:
    $2.49

    Transistors designed for your electronic needs. Power Dissipation of 20W. Mfr. #IRF510. Case Type: T...
    See the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days In-store: Find it in your store


    NTE3041 Optoisolator with NPN Transistor
    Web Only

    Model: NTE3041  |  Catalog #: 55052966

    NTE3041 Optoisolator with NPN Transistor

    Price:
    $2.43

  • Optoisolator in a 6–lead DIP package
  • Guaranteed switching speeds
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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    NTE5638 - TRIAC-400VRM 8A Isolated Tab
    Sale
    Web Only

    Model: NTE5638  |  Catalog #: 55053094

    NTE5638 - TRIAC-400VRM 8A Isolated Tab

    Reg.:
    $4.43
    |
    You save:
    $2.43
    Price:
    $2.00 (sale price)
    Sale valid until: 07/29/14

  • 8-Amp TRIAC in a TO220 type package
  • Designed to be driven directly with IC and MOS dev...
    See the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    NTE382 - T-NPN SI Complementary Audio-Frequency Driver 120V
    Sale
    Web Only

    Model: NTE382  |  Catalog #: 55052747

    NTE382 - T-NPN SI Complementary Audio-Frequency Driver 120V

    Reg.:
    $2.99
    |
    You save:
    $1.61
    Price:
    $1.38 (sale price)
    Sale valid until: 08/12/14

    The NTE382 (NPN) and NTE383 (PNP) are silicon complementary transistors, audio-frequency driver.

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    NTE326 - JFET P-Channel General Purpose AF-Amp 40V
    Web Only

    Model: NTE326  |  Catalog #: 55052740

    NTE326 - JFET P-Channel General Purpose AF-Amp 40V

    Price:
    $1.90

    The NTE326 is a silicon, P-channel JFET transistor, general purpose AF-amplifier in a TO-92 type cas...
    See the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    NTE132 -N-CH JFET RF-Amp Mixer VHF/25V
    Web Only

    Model: NTE132  |  Catalog #: 55051991

    NTE132 -N-CH JFET RF-Amp Mixer VHF/25V

    Price:
    $1.32

    The NTE132 is a silicon N-channel JFET transistor.

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    LM324 Quad Op Amp (14-Pin Dip)

    Model: NLM324  |  Catalog #: 276-1711

    LM324 Quad Op Amp (14-Pin Dip)

    Price:
    $2.49

    These amplifiers are designed to specifically to operate from a solitary supply over a wide range of...
    See the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days In-store: Find it in your store


    NTE56051 TRIAC, 8A Low Logic Level
    Web Only

    Model: NTE56051  |  Catalog #: 55053082

    NTE56051 TRIAC, 8A Low Logic Level

    Price:
    $1.97

  • Glass-passivated, Low Logic Level TRIAC
  • For bidirectional switching and phase control ap...
    See the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    NTE2903 - Mosfet N-Channel Switch
    Web Only

    Model: NTE2903  |  Catalog #: 55053297

    NTE2903 - Mosfet N-Channel Switch

    Price:
    $3.25

    The NTE2903 is a Mosfet N-Channel high speed switch transistor 500V and comes in a TO-220FN type cas...
    See the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    NTE1976 -Integrated Circuit-Voltage Regulator +24V TO220 ISO
    Sale
    Web Only

    Model: NTE1976  |  Catalog #: 55052574

    NTE1976 -Integrated Circuit-Voltage Regulator +24V TO220 ISO

    Reg.:
    $4.15
    |
    You save:
    $2.17
    Price:
    $1.98 (sale price)
    Sale valid until: 07/29/14

    The NTE1976 series of monolithic 3-terminal positive voltage regulators employ internal current limi...
    See the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    NTE185 - Silicon Complementary Transistor Switch
    Web Only

    Model: NTE185  |  Catalog #: 55052546

    NTE185 - Silicon Complementary Transistor Switch

    Price:
    $3.16

    The NTE185 (PNP) is a silicon-complementary transistor in a TO126 plastic package designed for use i...
    See the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    TIP120 NPN-D Transistor

    Model: TIP120  |  Catalog #: 276-2068

    TIP120 NPN-D Transistor

    Price:
    $1.99

    Use this transistor for your electronic needs. Power dissipation of 80W. Case type: TO-220.

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days In-store: Find it in your store


    2N4401 NPN Switching Transistor

    Model: 2N4401  |  Catalog #: 276-2058

    2N4401 NPN Switching Transistor

    Price:
    $1.49

    The 2N4401 NPN silicon transistor is designed for general purpose switching and amplifier applicatio...
    See the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days In-store: Find it in your store


    TL082/TL082CP Wide Dual JFET Input Op Amp (8-Pin DIP)

    Model: TL082/TL082CP  |  Catalog #: 276-1715

    TL082/TL082CP Wide Dual JFET Input Op Amp (8-Pin DIP)

    Price:
    $2.49

    Looking for a wide selection of operational amplifiers? We’ve got you covered.

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days In-store: Find it in your store


    NTE129 - PNP Transistor AF-Output 80V
    Web Only

    Model: NTE129  |  Catalog #: 55051986

    NTE129 - PNP Transistor AF-Output 80V

    Price:
    $2.76

    The NTE128 (NPN) and NTE129 (PNP) are silicon complementary transistors in a TO39 type package desig...
    See the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    NTE377 Power Amp Driver, Output Switch
    Web Only

    Model: NTE377  |  Catalog #: 55052982

    NTE377 Power Amp Driver, Output Switch

    Price:
    $2.91

  • Fast switching speeds
  • Complementary pairs simplify designs

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    NTE197 - T-PNP SI-AF PO
    Web Only

    Model: NTE197  |  Catalog #: 55052878

    NTE197 - T-PNP SI-AF PO

    Price:
    $3.31

  • DC current gain specified to 7-amps: hFE = 2.3 Min @ IC = 7A
  • Collector–emitter su...
    See the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    NTE1957 - IC-VLTG REG +9V 1A
    Web Only

    Model: NTE1957  |  Catalog #: 55052877

    NTE1957 - IC-VLTG REG +9V 1A

    Price:
    $2.73

  • Dropout voltage typically 0.5V @ IO = 1A
  • Output current in excess of 1A
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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    NTE2343 120V Darlington NPN Transistor
    Web Only

    Model: NTE2343  |  Catalog #: 55052902

    NTE2343 120V Darlington NPN Transistor

    Price:
    $2.71

    • VCBO 120V, VCEO 120V
    • IC - DC: 12V, pulse: 15A

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    NTE1960 - Integrated Circuit-Voltage Regulator +5V TO220 ISO
    Web Only

    Model: NTE1960  |  Catalog #: 55052563

    NTE1960 - Integrated Circuit-Voltage Regulator +5V TO220 ISO

    Price:
    $3.75

    The NTE1960 series of monolithic 3-terminal positive voltage regulators employ internal current limi...
    See the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    NTE NTE234 T-PNP SI AF Preamplifier
    Web Only

    Model: NTE234  |  Catalog #: 55052596

    NTE NTE234 T-PNP SI AF Preamplifier

    Price:
    $1.27

    The NTE234 is a silicon PNP transistor in a TO92 type package designed especially for low noise prea...
    See the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    NTE NTE232  T-PNP SI Darlington Amplifier
    Web Only

    Model: NTE232  |  Catalog #: 55052589

    NTE NTE232 T-PNP SI Darlington Amplifier

    Price:
    $1.20

    The NTE232 is a silicon planar, epitaxial passivated PNP Darlington transistor in a TO92 type packag...
    See the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    NTE172A - Silicon NPN Transistor Darlington Preamplifier
    Web Only

    Model: NTE172A  |  Catalog #: 55052535

    NTE172A - Silicon NPN Transistor Darlington Preamplifier

    Price:
    $1.13

    The NTE172A is a silicon NPN Darlington transistor in a TO92-type case designed for preamplifier inp...
    See the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    NTE133 - JFET-N-CH General Purpose AF Amp Switch 25V
    Web Only

    Model: NTE133  |  Catalog #: 55051992

    NTE133 - JFET-N-CH General Purpose AF Amp Switch 25V

    Price:
    $3.99

    The NTE133 is a 25 volt, silicon N-channel JFET transistor with general purpose AF amp.

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    NTE3047 Optoisolator Triac Driver Output
    Web Only

    Model: NTE3047  |  Catalog #: 55052972

    NTE3047 Optoisolator Triac Driver Output

    Price:
    $3.60

  • For applications requiring isolated TRIAC triggering
  • Solenoid/valve controls, lamp balla...
    See the Full Product Details

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    NTE7042 IC-Bi-Directional Motor Driver
    Web Only

    Model: NTE7042  |  Catalog #: 55053109

    NTE7042 IC-Bi-Directional Motor Driver

    Price:
    $2.51

  • Built–in surge absorbing diode
  • Low standby current
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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    NTE7000 - IC-5W Audio Amp/Muting
    Web Only

    Model: NTE7000  |  Catalog #: 55053107

    NTE7000 - IC-5W Audio Amp/Muting

    Price:
    $3.45

  • Muting facility
  • Very low noise
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    Availability: Online: In-Stock Usually ships in 1 - 2 business days


    NTE2390  MOSFET N-Channel 60V High-Speed Switch
    Web Only

    Model: NTE2390  |  Catalog #: 55052914

    NTE2390 MOSFET N-Channel 60V High-Speed Switch

    Price:
    $3.80

  • 60V, ID=12A, TO-220 case
  • High-speed switch; Enhancement mode RDS=0.2Ω

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    Availability: Online: In-Stock Usually ships in 1 - 2 business days