BCW81 TR

Description：TRANS NPN 45V SOT-23
Series：-

SKU:f145c44fee06 Category: Single Bipolar Transistors Brand: Central Semiconductor Corp

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Product introduction

Product Detailed Parameters

Description：TRANS NPN 45V SOT-23
Series：-
Mfr：Central Semiconductor Corp
Package：Bulk
Transistor Type：NPN
Current - Collector (Ic) (Max)：-
Voltage - Collector Emitter Breakdown (Max)：45 V
Vce Saturation (Max) @ Ib, Ic：-
Current - Collector Cutoff (Max)：100nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce：420 @ 2mA, 5V
Power - Max：350 mW
Frequency - Transition：60MHz
Operating Temperature：-
Mounting Type：Surface Mount
Package / Case：TO-236-3, SC-59, SOT-23-3
Supplier Device Package：SOT-23
Grade：-
Qualification：-

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BCW81 TR

Overview

The BCW81 TR is an NPN low noise transistor manufactured by Central Semiconductor Corp. It utilizes a SOT-23 surface-mount package with a maximum power dissipation of 350 mW. Key electrical parameters include a collector-base breakdown voltage (BVCBO) minimum of 45 V, a collector-emitter breakdown voltage (BVCEO) minimum of 32 V, and an emitter-base breakdown voltage (BVEBO) minimum of 6 V. The device supports a maximum collector current of 100 mA and features a typical transition frequency (fT) of 250 MHz.

Feature Summary

Designed for low noise amplification applications
Utilizes SOT-23 surface mount packaging
Provides high DC current gain

Applications

Low noise amplifier circuits
General purpose amplification
Signal processing stages

Procurement Notes

This component has been officially classified as End of Life (EOL) by the manufacturer. No direct replacement part number is currently available from Central Semiconductor Corp. Verification of final stock availability or alternative sourcing channels is required before design implementation.

Selection Notes

Engineers should consider this component obsolete due to its EOL status. Selection requires identifying equivalent low-noise NPN transistors from other manufacturers that match the original BVCBO, BVCEO, and fT specifications while ensuring compatibility with the SOT-23 footprint.

Part Context

The BCW81 belongs to the Proelectron series of small signal transistors produced by Central Semiconductor Corp. This series encompasses various NPN and PNP devices optimized for specific audio and RF performance characteristics within standard surface-mount packages.