BC856BT TR PBFREE

Overview

The BC856BT TR PBFREE is a PNP general-purpose transistor manufactured by Central Semiconductor Corp. It is housed in an SOT-523 surface-mount package and rated for a maximum collector current of 100 mA and a collector-emitter voltage of 65 V. The device features a transition frequency of 100 MHz and a maximum power dissipation of 250 mW. DC current gain (hFE) is specified at a minimum of 200 under test conditions of 2 mA base current and 5 V collector-emitter voltage. The saturation voltage is limited to 400 mV at 5 mA base and 100 mA collector currents.

Feature Summary

• Designed for general-purpose switching and amplification applications
• Utilizes a compact SOT-523 surface-mount plastic package
• Provides high DC current gain for signal processing tasks

Applications

• General-purpose switching circuits
• Audio frequency (AF) amplifier stages
• Complementary pairing with NPN devices such as the BC846 series

Procurement Notes

Verify the specific suffix 'TR PBFREE' against the manufacturer's official documentation to confirm the tape-and-reel packaging format and lead-free compliance status. Ensure the component matches the Central Semiconductor Corp part number exactly, as generic BC856 identifiers may refer to different manufacturers or packages like SOT-23. Confirm RoHS3 certification requirements align with project specifications before finalizing procurement orders.

Selection Notes

Select this component when a PNP transistor with a 65 V rating and 100 mA continuous collector current is required in a small footprint. The SOT-523 package offers space efficiency compared to standard SOT-23 variants. Consider the 100 MHz transition frequency for moderate-speed switching applications. Verify that the thermal dissipation capabilities of 250 mW are sufficient for the intended operating environment and load conditions.

Part Context

This component belongs to the BC856 family of PNP general-purpose transistors. It serves as the complementary counterpart to the BC846 NPN series. While many manufacturers produce BC856 variants in SOT-23 packages, this specific unit from Central Semiconductor utilizes the smaller SOT-523 form factor. The part is designed for low-voltage, low-current electronic circuit applications requiring reliable bipolar junction transistor performance.

Replacement Considerations

Direct substitutes include other manufacturers' BC856B parts in equivalent SOT-523 or SOT-23 packages, such as those from Nexperia or NXP. Verify pinout compatibility and electrical parameter margins, particularly hFE ranges and saturation voltages, when cross-referencing with alternative suppliers.