Philips PBSS4320X 20V, 3A NPN Low VCEsat (BISS) Transistor Data Manual
Summary
The PBSS4320X is an NPN low V BISS transistor designed for power management applications in a compact SOT89 package. This datasheet provides comprehensive technical specifications, including absolute maximum ratings, detailed electrical characteristics, and thermal guidelines necessary for reliable circuit integration. It is essential for electronic designers developing DC/DC converters, peripheral drivers (such as LEDs and relays), and low-voltage switching systems requiring high current capability.
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DATA SHEET
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PBSS4320X 20 V, 3 A NPN low VCEsat (BISS) transistor Product specification Nov Supersedes data of 2003 Dec 15
Page Summary Contents For Philips PBSS4320X 20V, 3A NPN Low VCEsat (BISS) Transistor Data Manual
Manual Details
| Brand | Philips |
|---|---|
| Pages | 12 |
| File Size | 103.19 KB |
| Published | July 06, 2026 |
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Frequently Asked Questions
What are the primary applications for the PBSS4320X transistor?
It can be used in power management (DC/DC converters, battery chargers) and peripheral drivers (lamps, LEDs, relays).
How is thermal dissipation limited by mounting type?
Maximum power dissipation varies significantly depending on the PCB material and collector pad size (e.g., ceramic vs. standard FR4).
What are the key electrical ratings for this NPN transistor?
It has a maximum collector current (I_C) of 3 A, a low saturation voltage (V_CEsat), and operates with rated voltages up to 20 V.