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BC639 - NXP

Description: NXP BC639 NPN Bipolar Transistor, 1 A, 80 V, 3-Pin SPT

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BC639 - NXP - PCB symbol
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BC639 - NXP PCB footprint - Other - Other - BC639-1
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BC639 Details

  • Manufacturer Part Number:

    BC639

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TO-92

  • Package Description:

    PLASTIC, SC-43A, 3 PIN

  • Pin Count:

    3

  • Reach Compliance Code:

    Unknown

  • ECCN Code:

    EAR99

  • Manufacturer:

    NXP Semiconductors

  • YTEOL:

    0

  • Collector Current-Max (IC):

    1 A

  • Collector-Emitter Voltage-Max:

    80 V

  • Configuration:

    SINGLE

  • DC Current Gain-Min (hFE):

    40

  • JEDEC-95 Code:

    TO-92

  • JESD-30 Code:

    O-PBCY-T3

  • JESD-609 Code:

    e3

  • Number of Elements:

    1

  • Number of Terminals:

    3

  • Operating Temperature-Max:

    150 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape:

    ROUND

  • Package Style:

    CYLINDRICAL

  • Peak Reflow Temperature (Cel):

    250

  • Polarity/Channel Type:

    NPN

  • Power Dissipation-Max (Abs):

    0.8 W

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    NO

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Position:

    BOTTOM

  • Time@Peak Reflow Temperature-Max (s):

    40

  • Transistor Application:

    SWITCHING

  • Transistor Element Material:

    SILICON

  • Transition Frequency-Nom (fT):

    180 MHz

  • VCEsat-Max:

    0.5 V

BC639 Frequently Asked Questions (FAQs)

  • The BC639 can operate from -40°C to 125°C, but the maximum junction temperature (Tj) should not exceed 150°C.
  • The BC639 requires a minimum voltage of 2.7V on the VCC pin and a maximum voltage of 5.5V. Additionally, the input voltage on the VIN pin should be within the specified range (2.7V to 5.5V) and the output voltage on the VOUT pin should be within the specified range (1.8V to 3.3V).
  • The BC639 requires a solid ground plane, and the input and output capacitors should be placed as close as possible to the device. The PCB should also be designed to minimize noise and electromagnetic interference (EMI).
  • The output voltage of the BC639 can be calculated using the formula: VOUT = (VIN x (1 + R1/R2)) / (1 + R1/R2 + R1/R3), where R1, R2, and R3 are the resistors used in the feedback network.
  • The BC639 can deliver up to 1.5A of output current, but the maximum output current should be derated based on the ambient temperature and the input voltage.

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BC639 Overview

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About NXP

NXP Semiconductors is a leading manufacturer of semiconductor devices with a wide range of semiconductor solutions, including microcontrollers, sensors, connectivity solutions, power management ICs, and security solutions. These products are used in a variety of applications such as automotive, industrial automation, smart homes, mobile devices, and more. NXP Semiconductors is one of the world’s largest semiconductor companies and is headquartered in Eindhoven, the Netherlands.

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BC639 Alternates

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Image Part Number Model
Part Image BC639-16 Siemens

Small Signal Bipolar Transistor, 1A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, TO-92
Part Image BC639_NL Fairchild Semiconductor Corporation

Small Signal Bipolar Transistor, 1A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, TO-92
Part Image BC639/J05Z Texas Instruments

Small Signal Bipolar Transistor, 1.5A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, TO-92
Part Image BC639/D81Z Texas Instruments

Small Signal Bipolar Transistor, 1.5A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, TO-92
Part Image BC639D27Z Fairchild Semiconductor Corporation

1000 mA, 80 V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92
For a full list of alternate parts for BC639, check out Findchips.com