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BF840,235 - Nexperia

Description: BF840 - NPN medium frequency transistor

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BF840,235 - Nexperia  - 3D model
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BF840,235 Details

  • Manufacturer Part Number:

    BF840,235

  • Brand Name:

    Nexperia

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    TO-236

  • Package Description:

    PLASTIC PACKAGE-3

  • Pin Count:

    3

  • Manufacturer Package Code:

    SOT23

  • Country Of Origin:

    Mainland China, Malaysia

  • ECCN Code:

    EAR99

  • Factory Lead Time:

    8 Weeks

  • Date Of Intro:

    1993-03-01

  • Manufacturer:

    Nexperia

  • YTEOL:

    7

  • Collector Current-Max (IC):

    0.025 A

  • Collector-Emitter Voltage-Max:

    40 V

  • Configuration:

    SINGLE

  • DC Current Gain-Min (hFE):

    67

  • JEDEC-95 Code:

    TO-236AB

  • JESD-30 Code:

    R-PDSO-G3

  • JESD-609 Code:

    e3

  • Moisture Sensitivity Level:

    1

  • Number of Elements:

    1

  • Number of Terminals:

    3

  • Operating Temperature-Max:

    150 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Polarity/Channel Type:

    NPN

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    YES

  • Terminal Finish:

    TIN

  • Terminal Form:

    GULL WING

  • Terminal Position:

    DUAL

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

    30

  • Transistor Application:

    AMPLIFIER

  • Transistor Element Material:

    SILICON

  • Transition Frequency-Nom (fT):

    380 MHz

BF840,235 Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the BF840,235 is 4.5 V to 18 V, although it can tolerate up to 20 V for short periods.
  • To ensure proper biasing, connect the base to a voltage source through a resistor (Rb) and a capacitor (Cb) in parallel. The recommended values are Rb = 1 kΩ and Cb = 10 nF.
  • The maximum collector current rating for the BF840,235 is 1 A, but it's recommended to operate at a maximum of 500 mA for reliable and long-term operation.
  • Yes, the BF840,235 can be used as a switch. However, ensure the base is properly driven to achieve a low saturation voltage (Vce(sat)) and minimize power losses. Also, consider the maximum collector current and power dissipation ratings.
  • To handle thermal management, ensure good heat dissipation by using a heat sink or a PCB design that allows for efficient heat transfer. The maximum junction temperature (Tj) is 150°C, and the thermal resistance (Rth(j-a)) is 125 K/W.

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BF840,235 Overview

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About Nexperia

Nexperia is a leading global player in the semiconductor industry. Specializing in essential electronic components, Nexperia offers a diverse range of products including discrete components, MOSFETs, logic ICs, and analog ICs. These components are integral to a multitude of applications across automotive, industrial, consumer electronics, and computing sectors, where reliability, performance, and efficiency are paramount.

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Part Image 933792670215 NXP Semiconductors

Small Signal Bipolar Transistor, 0.025A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-236AB

Part Image BF840 NXP Semiconductors

Small Signal Bipolar Transistor, 0.025A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-236AB

Part Image BF840,235 NXP Semiconductors

Small Signal Bipolar Transistor, 0.025A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon, TO-236AB

Part Image BF840-TAPE-7 NXP Semiconductors

Small Signal Bipolar Transistor, 0.025A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon

Part Image BF840TRL13 NXP Semiconductors

Small Signal Bipolar Transistor, 0.025A I(C), 40V V(BR)CEO, 1-Element, NPN, Silicon

For a full list of alternate parts for BF840,235, check out Findchips.com