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2N2907 - STMicroelectronics

Description: Silicon planar epitaxial PNP transistors VCE=-0.4V, VBE=-1.3V, TO-18.

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2N2907 - STMicroelectronics - PCB symbol
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2N2907 - STMicroelectronics PCB footprint - Other - Other - 2N2907-4
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2N2907 Details

  • Manufacturer Part Number:

    2N2907

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    BCY

  • Package Description:

    METAL PACKAGE-3

  • Pin Count:

    3

  • ECCN Code:

    EAR99

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Collector Current-Max (IC):

    0.6 A

  • Collector-Emitter Voltage-Max:

    40 V

  • Configuration:

    SINGLE

  • DC Current Gain-Min (hFE):

    30

  • JEDEC-95 Code:

    TO-18

  • JESD-30 Code:

    O-MBCY-W3

  • JESD-609 Code:

    e3

  • Number of Elements:

    1

  • Number of Terminals:

    3

  • Operating Temperature-Max:

    200 °C

  • Package Body Material:

    METAL

  • Package Shape:

    ROUND

  • Package Style:

    CYLINDRICAL

  • Polarity/Channel Type:

    PNP

  • Power Dissipation-Max (Abs):

    0.4 W

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    NO

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    WIRE

  • Terminal Position:

    BOTTOM

  • Transistor Application:

    SWITCHING

  • Transistor Element Material:

    SILICON

  • Transition Frequency-Nom (fT):

    200 MHz

  • Turn-off Time-Max (toff):

    110 ns

  • Turn-on Time-Max (ton):

    50 ns

2N2907 Frequently Asked Questions (FAQs)

  • The maximum operating temperature range for the 2N2907 is -55°C to 150°C.
  • Yes, the 2N2907 can be used as a switch, but it's not recommended due to its relatively low current gain (hFE) and high saturation voltage (Vce(sat)). A more suitable transistor for switching applications would be a power transistor like the TIP120 or TIP122.
  • To calculate the base resistor value, you need to know the input voltage, the desired collector current, and the transistor's current gain (hFE). A general rule of thumb is to use a base resistor value that limits the base current to 1/10th of the collector current. You can use an online calculator or consult a transistor circuit design guide for more information.
  • The 2N2907 is not suitable for high-frequency applications due to its relatively low transition frequency (fT) of 250 MHz. For high-frequency applications, consider using a transistor with a higher transition frequency, such as the 2N5551 or 2N5401.
  • Yes, the 2N2907 can be used in a Darlington pair configuration to increase the current gain and improve the overall performance of the circuit. However, you'll need to ensure that the transistors are properly matched and biased to avoid thermal runaway and other issues.

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2N2907 Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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2N2907 Alternates

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Image Part Number Model
Part Image 2N2907 Micro Electronics Corporation

Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, PNP, Silicon, TO-18, TO-18, 3 PIN
Part Image JANS2N2907L Microsemi Corporation (now Microchip)

Small Signal Bipolar Transistor, 0.6A I(C), 60V V(BR)CEO, 1-Element, PNP, Silicon, TO-206AA
Part Image JAN2N2907 National Semiconductor Corporation

Small Signal Bipolar Transistor, 40V V(BR)CEO, 1-Element, PNP, Silicon, TO-18
Part Image 2N2907 Semitronics Corp

Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, PNP, Silicon, TO-18
Part Image 2N2907 Motorola Semiconductor Products

Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, PNP, Silicon, TO-206AA
For a full list of alternate parts for 2N2907, check out Findchips.com