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FFB3946 - onsemi

Description: Obsolete - 4A, 600V, Hyperfast II Diode

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PCB Footprints
FFB3946 - onsemi PCB footprint - SOT23 (6-Pin) - SOT23 (6-Pin) - 6-LEAD,SC70,EIAJ SC-88,1.25 MM WIDE(ACTIVE)
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3D Models
FFB3946 - onsemi  - 3D model - SOT23 (6-Pin) - 6-LEAD,SC70,EIAJ SC-88,1.25 MM WIDE(ACTIVE)
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FFB3946 Details

  • Manufacturer Part Number:

    FFB3946

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SC-88-6 / SC-70-6 / SOT-363-6

  • Package Description:

    SC-70, 6 PIN

  • Manufacturer Package Code:

    419AD

  • ECCN Code:

    EAR99

  • Manufacturer:

    onsemi

  • YTEOL:

    0

  • Collector Current-Max (IC):

    0.2 A

  • Collector-Base Capacitance-Max:

    4.5 pF

  • Collector-Emitter Voltage-Max:

    40 V

  • Configuration:

    SEPARATE, 2 ELEMENTS

  • DC Current Gain-Min (hFE):

    30

  • Highest Frequency Band:

    ULTRA HIGH FREQUENCY BAND

  • JESD-30 Code:

    R-PDSO-G6

  • JESD-609 Code:

    e3

  • Moisture Sensitivity Level:

    1

  • Number of Elements:

    2

  • Number of Terminals:

    6

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -55 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Polarity/Channel Type:

    NPN AND PNP

  • Power Dissipation-Max (Abs):

    0.3 W

  • Qualification Status:

    Not Qualified

  • Surface Mount:

    YES

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Position:

    DUAL

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

    30

  • Transistor Application:

    SWITCHING

  • Transistor Element Material:

    SILICON

  • Transition Frequency-Nom (fT):

    200 MHz

  • Turn-off Time-Max (toff):

    300 ns

  • Turn-on Time-Max (ton):

    70 ns

  • VCEsat-Max:

    0.25 V

FFB3946 Frequently Asked Questions (FAQs)

  • A 2-layer or 4-layer PCB with a solid ground plane and thermal vias is recommended. Ensure a minimum of 1 oz copper thickness and a thermal relief pattern under the device.
  • Implement a robust thermal management system, including a heat sink, thermal interface material, and a cooling fan if necessary. Monitor the device's junction temperature and adjust the system design accordingly.
  • A 10uF to 22uF X7R or X5R ceramic capacitor is recommended, with a voltage rating of 25V or higher. The capacitor should be placed as close to the VIN pin as possible.
  • Use a shielded enclosure, keep the PCB layout compact, and minimize loop areas. Add EMI filters or common-mode chokes if necessary. Ensure proper grounding and decoupling of the device.
  • The maximum allowed voltage drop is 0.5V. Ensure that the input voltage is within the recommended range, and the output voltage is within the specified regulation range.

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FFB3946 Overview

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Part Image FFB3946 Fairchild Semiconductor Corporation

Small Signal Bipolar Transistor, 0.2A I(C), 40V V(BR)CEO, 2-Element, NPN and PNP, Silicon