- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for BF998
- Part Number BF998
- Manufacturer NXP
- Pin Count 4
- Part Category MOSFET (N-Channel)
- Package Category Other
- Footprint Name Other - SOT143B
- Released Date May 14, 2021
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
BF998 Details
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Manufacturer Part Number:
BF998
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Pbfree Code:
Yes
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Rohs Code:
Yes
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Part Life Cycle Code:
Obsolete
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Package Description:
MICRO MINIATURE, PLASTIC PACKAGE-4
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Pin Count:
4
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ECCN Code:
EAR99
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Manufacturer:
NXP Semiconductors
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YTEOL:
0
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Additional Feature:
LOW NOISE
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Case Connection:
SOURCE
BF998 Frequently Asked Questions (FAQs)
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A good PCB layout for the BF998 involves keeping the input and output tracks as short as possible, using a solid ground plane, and placing decoupling capacitors close to the device. A 4-layer PCB with a dedicated ground plane is recommended.
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To optimize the BF998 for low noise performance, use a low-noise voltage regulator, decouple the supply lines with 10nF and 100nF capacitors, and keep the input and output tracks away from each other. Additionally, use a shielded enclosure and minimize the number of external components.
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The maximum power dissipation of the BF998 is 1.2W. However, this can be increased to 2.5W with proper heat sinking and a maximum junction temperature of 150°C.
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Yes, the BF998 can be used in a push-pull configuration, but it requires careful design and layout to ensure stability and prevent oscillations. A common-mode choke and a shielded transformer are recommended to minimize electromagnetic interference.
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To protect the BF998 from overvoltage and ESD, use a voltage regulator with overvoltage protection, add a TVS diode or a zener diode to the supply line, and ensure that the PCB has adequate ESD protection measures such as ESD diodes and resistors.
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BF998 Overview
Use the download button to access the BF998 schematic symbol, PCB footprint, and 3D model.
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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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