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BF994S - NXP

Description: MOSFET Transistor, N-Channel, SOT-143

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BF994S - NXP PCB footprint - Other - Other - BF994S-3
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BF994S - NXP  - 3D model - Other - BF994S-3
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BF994S Details

  • Manufacturer Part Number:

    BF994S

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    MICRO MINIATURE, PLASTIC PACKAGE-4

  • Pin Count:

    4

  • ECCN Code:

    EAR99

  • Manufacturer:

    NXP Semiconductors

  • YTEOL:

    0

  • Case Connection:

    SOURCE

  • Configuration:

    SINGLE WITH BUILT-IN DIODE

  • DS Breakdown Voltage-Min:

    20 V

  • Drain Current-Max (ID):

    0.03 A

  • FET Technology:

    METAL-OXIDE SEMICONDUCTOR

  • Highest Frequency Band:

    VERY HIGH FREQUENCY BAND

  • JESD-30 Code:

    R-PDSO-G4

  • JESD-609 Code:

    e3

  • Number of Elements:

    2

  • Number of Terminals:

    4

  • Operating Mode:

    DUAL GATE, DEPLETION MODE

  • 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:

    N-CHANNEL

  • Power Dissipation-Max (Abs):

    0.2 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:

    AMPLIFIER

  • Transistor Element Material:

    SILICON

BF994S Frequently Asked Questions (FAQs)

  • NXP provides a recommended PCB layout in the application note AN11160, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and minimize electromagnetic interference (EMI).
  • To minimize power consumption, configure the BF994S to operate in the low-power mode (LPM) by setting the appropriate registers. Additionally, optimize the clock frequency, disable unused peripherals, and use power-saving features like dynamic voltage and frequency scaling (DVFS).
  • The BF994S has a thermal pad on the bottom of the package, which requires a thermal connection to a heat sink or a thermal via to dissipate heat. Ensure proper thermal design and layout to prevent overheating, which can affect device reliability and performance.
  • To troubleshoot ADC issues, check the ADC clock frequency, ensure proper analog input signal conditioning, and verify the ADC configuration registers. Also, consult the NXP application note AN10916 for ADC troubleshooting guidelines and tips.
  • To ensure EMC compliance, follow NXP's guidelines for PCB layout, component selection, and shielding. Additionally, implement proper filtering, decoupling, and grounding techniques to minimize electromagnetic interference (EMI) and ensure reliable operation.

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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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Part Image BF994ST/R NXP Semiconductors

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Part Image BF994S-T NXP Semiconductors

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Part Image BF994S-TAPE-13 NXP Semiconductors

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For a full list of alternate parts for BF994S, check out Findchips.com