BC640BU

$0.03

Description：TRANS PNP 80V 1A TO-92-3
Series：-

SKU:25746be8b3ec Category: Single Bipolar Transistors Brand: Fairchild Semiconductor

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Product introduction

Product Detailed Parameters

Description：TRANS PNP 80V 1A TO-92-3
Series：-
Mfr：Fairchild Semiconductor
Package：Bulk
Transistor Type：PNP
Current - Collector (Ic) (Max)：1:00 AM
Voltage - Collector Emitter Breakdown (Max)：80 V
Vce Saturation (Max) @ Ib, Ic：500mV @ 50mA, 500mA
Current - Collector Cutoff (Max)：100nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce：40 @ 150mA, 2V
Power - Max：1 W
Frequency - Transition：100MHz
Operating Temperature：150°C (TJ)
Mounting Type：Through Hole
Package / Case：TO-226-3, TO-92-3 (TO-226AA)
Supplier Device Package：TO-92-3
Grade：-
Qualification：-

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BC640BU

Overview

The BC640BU is a PNP silicon planar epitaxial transistor manufactured by Fairchild Semiconductor. It is housed in a TO-92 plastic package and designed for medium power applications. The device features a collector-emitter voltage rating of 80V and a continuous collector current capability of 1A. It includes a minimum DC current gain (hFE) of 63, ensuring reliable amplification and switching performance across various electronic circuits.

Feature Summary

PNP polarity configuration suitable for complementary circuit designs
Medium power handling capabilities with high current output
Robust voltage ratings for general-purpose switching and amplification

Applications

General-purpose amplifier stages
Switching circuits requiring medium power control
Complementary pairs with NPN transistors

Procurement Notes

Verify the manufacturer marking matches Fairchild Semiconductor specifications. Confirm the part suffix 'BU' corresponds to the correct tape and reel or bulk packaging variant if applicable. Ensure the component meets RoHS compliance standards as indicated by the datasheet documentation for lead-free manufacturing processes.

Selection Notes

Select this component when a PNP transistor with 80V breakdown and 1A current capacity is required. Consider the TO-92 package constraints for thermal dissipation and board space. Compare hFE ranges against specific circuit gain requirements to ensure adequate signal amplification or switching speed without external compensation.

Part Context

This transistor belongs to the BC6xx series of medium power bipolar junction transistors. It serves as the PNP counterpart to the BC635 NPN device within the same family. The series is widely utilized in consumer electronics and industrial equipment due to its balanced electrical characteristics and standardized TO-92 footprint.