BD243A-S

Description：TRANS NPN 60V 6A TO-220
Series：-

SKU:3ef9050aec53 Category: Single Bipolar Transistors Brand: Bourns Inc.

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Product introduction

Product Detailed Parameters

Description：TRANS NPN 60V 6A TO-220
Series：-
Mfr：Bourns Inc.
Package：Tube
Transistor Type：NPN
Current - Collector (Ic) (Max)：6:00 AM
Voltage - Collector Emitter Breakdown (Max)：60 V
Vce Saturation (Max) @ Ib, Ic：1.5V @ 1A, 6A
Current - Collector Cutoff (Max)：700µA
DC Current Gain (hFE) (Min) @ Ic, Vce：15 @ 3A, 4V
Power - Max：2 W
Frequency - Transition：-
Operating Temperature：-65°C ~ 150°C (TJ)
Mounting Type：Through Hole
Package / Case：TO-220-3
Supplier Device Package：TO-220
Grade：-
Qualification：-

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BD243A-S

Overview

The BD243A-S is an NPN silicon power transistor manufactured by Bourns Inc. It is designed for complementary use with the BD244 series. The device supports a continuous collector current of 6 A and a peak collector current of 10 A. It is rated for 65 W of power dissipation at a 25°C case temperature. Customer-specified selections are available for this component.

Feature Summary

Designed for complementary use with the BD244 series
NPN silicon construction for power applications

Applications

Linear applications
Switching applications

Procurement Notes

Verify the specific manufacturer source, as multiple entities including Mospec Semiconductor, Fairchild Semiconductor, Boca Semiconductor Corp, Savantic, Inc., and Power Innovations Ltd have historically listed the BD243 part number in public databases. Confirm that the 'S' suffix corresponds to the intended package or selection variant for the specific supplier being sourced from, as datasheet documentation varies across manufacturers.

Selection Notes

Select this component for medium-power linear and switching circuits requiring an NPN silicon transistor. Ensure thermal management allows for the specified 65 W dissipation limit at the required case temperature. Verify compatibility with the complementary BD244 PNP transistor if push-pull configurations are utilized in the design.

Part Context

The BD243 is a legacy NPN silicon power transistor often associated with the TO-3 or similar metal can packages in historical contexts. While Bourns Inc. lists the part in their database, the component is widely distributed by various semiconductor manufacturers. It serves as a standard solution for general-purpose power amplification and switching tasks in industrial and consumer electronics.