Philips PBSS4540X 40V, 5A NPN Low VCEsat (BISS) Transistor Data Manual - Specifications & Instructions
Summary
The PBSS4540X is a medium power NPN low V transistor featuring high collector current capabilities, making it excellent for efficiency-critical applications. This datasheet provides comprehensive specifications, including limiting values, detailed thermal derating curves, and optimal packaging guidelines in the SOT89 case. It is designed for robust performance in peripheral drivers (fans/motors), battery chargers, LAN/ADSL power switching, and various inverter systems like those found in TFT displays.
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PBSS4540X 40 V, 5 A NPN low VCEsat (BISS) transistor Product specification Nov Supersedes data of 2004 Jun 11
Page Summary Contents For Philips PBSS4540X 40V, 5A NPN Low VCEsat (BISS) Transistor Data Manual - Specifications & Instructions
Manual Details
| Brand | Philips |
|---|---|
| Pages | 13 |
| File Size | 90.07 KB |
| Published | July 06, 2026 |
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Frequently Asked Questions
What is the complementary NPN transistor for PBSS4540X?
The PNP complement to the PBSS4540X transistor is the PBSS5540X.
What are common applications for this low V NPN transistor?
Applications include medium power peripheral drivers, strobe flash units, LAN and ADSL switches, and inverter circuits.
How does mounting a PCB affect power dissipation ratings?
Power dissipation (Ptot) is dependent on the mounting pad size; for instance, standard footprint allows up to 1200 mW.