BD544A-S

Description：TRANS PNP 60V 8A TO-220
Series：-

SKU:2aa5b3f0a771 Category: Single Bipolar Transistors Brand: Bourns Inc.

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Product introduction

Product Detailed Parameters

Description：TRANS PNP 60V 8A TO-220
Series：-
Mfr：Bourns Inc.
Package：Tube
Transistor Type：PNP
Current - Collector (Ic) (Max)：8:00 AM
Voltage - Collector Emitter Breakdown (Max)：60 V
Vce Saturation (Max) @ Ib, Ic：1V @ 1.6A, 8A
Current - Collector Cutoff (Max)：700µA
DC Current Gain (hFE) (Min) @ Ic, Vce：15 @ 5A, 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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BD544A-S

Overview

The BD544A-S is a PNP silicon power transistor manufactured by Bourns Inc., designed for switching and amplification applications. It features a maximum collector-emitter voltage of 60V and a continuous collector current rating of 8A. The device is housed in a TO-220-3 package with the mounting base electrically connected to pin 2. It supports an operating junction temperature range from -65°C to 150°C and offers a power dissipation capacity of 70W at a 25°C case temperature.

Feature Summary

Designed for complementary use with the BD543 series
Through-hole mounting type for robust mechanical connection
High thermal performance supporting demanding power applications

Applications

Power switching circuits
Amplification stages
Complementary transistor pairs

Procurement Notes

Verify the specific suffix 'S' against the manufacturer's official documentation to confirm exact electrical tolerances and marking codes, as variations may exist within the product line. Ensure the procurement channel provides valid traceability for the component. Confirm that the TO-220-3 package dimensions match the target PCB footprint requirements before finalizing orders.

Selection Notes

Select this component when a PNP power transistor with 60V breakdown and 8A current capability is required. Consider the TO-220-3 package for through-hole assembly needs. Evaluate thermal management solutions to maintain junction temperatures within the specified -65°C to 150°C range during operation. Verify compatibility with complementary NPN devices like the BD543 series if used in push-pull configurations.

Part Context

This part belongs to the family of bipolar junction transistors (BJT) produced by Bourns Inc. It serves as a high-power discrete semiconductor device intended for industrial and consumer electronics. The component is distinct from Bourns' passive components such as resistors, fuses, and thermistors, focusing solely on active signal and power control functions.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Consult official cross-reference databases or manufacturer engineering support for verified alternatives.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.