PBSS4320X is a low VCEsat (BISS) type of NPN transistor produced by Philips. Its features are SOT89 (SC-62) package, low saturation voltage, high efficiency, low heat generation, suitable for driving power converters, battery chargers, LCD backlights, etc.
This document is a product specification datasheet for the Philips Semiconductors PBSS4320X. It describes an NPN low collector-emitter saturation voltage (Vcesat) transistor housed in a plastic SOT89 surface-mounted package.
The device is designed for power management applications, including DC/DC converters, supply line switching, battery chargers, and LCD backlighting. Key features include high collector current capability and reduced printed-circuit board requirements due to its low saturation voltage.
| Collector-Emitter Voltage (VCEO) | 20 V |
|---|---|
| Collector Current (DC) (IC) | 3 A |
| Peak Collector Current (ICM) | 5 A |
| Equivalent On-Resistance (Rcesat) | 105 mΩ |
| Package Type | SOT89 (SC-62) |
It is used in power management, DC/DC converters, supply line switching, battery chargers, and LCD backlighting.
The maximum collector-emitter voltage (VCEO) is 20 V.