BD438S

$1.05

Description：TRANS PNP 45V 4A TO-126-3
Series：-

SKU:ab6824768442 Category: Single Bipolar Transistors Brand: onsemi

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Product introduction

Product Detailed Parameters

Description：TRANS PNP 45V 4A TO-126-3
Series：-
Mfr：onsemi
Package：Bulk
Transistor Type：PNP
Current - Collector (Ic) (Max)：4:00 AM
Voltage - Collector Emitter Breakdown (Max)：45 V
Vce Saturation (Max) @ Ib, Ic：600mV @ 200mA, 2A
Current - Collector Cutoff (Max)：100µA
DC Current Gain (hFE) (Min) @ Ic, Vce：30 @ 10mA, 5V
Power - Max：36 W
Frequency - Transition：3MHz
Operating Temperature：150°C (TJ)
Mounting Type：Through Hole
Package / Case：TO-225AA, TO-126-3
Supplier Device Package：TO-126-3
Grade：-
Qualification：-

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BD438S

Overview

The BD438S is a complementary PNP silicon power transistor manufactured by onsemi. It belongs to the BD43x series of epitaxial-base transistors housed in a SOT-32 plastic package. Designed for medium-power linear and switching applications, it serves as the PNP counterpart to NPN types such as the BD437. The device is intended for use in output stages, including car-radio applications.

Feature Summary

Complementary PNP configuration within the BD43x series
Epitaxial-base silicon construction
Suitable for medium-power linear and switching operations

Applications

Car-radio output stages
Medium-power linear amplifier circuits
Switching applications requiring complementary PNP-NPN pairs

Procurement Notes

Verify the specific suffix 'S' against official onsemi documentation to confirm package type and availability. Ensure compatibility with existing circuit designs requiring complementary PNP devices. Cross-reference part numbers with current manufacturer catalogs due to potential integration changes.

Selection Notes

Select this component when a complementary PNP transistor is required alongside NPN counterparts like the BD437. Consider the SOT-32 package constraints for board space. Verify thermal requirements for medium-power linear applications before finalizing the design.

Part Context

The BD438S is part of the BD43x family, which includes complementary NPN and PNP power transistors. This series is designed to provide matched performance characteristics for push-pull or differential amplifier configurations in consumer electronics and automotive audio systems.

Replacement Considerations

Check for direct replacements within the BD43x series. Verify pinout compatibility with SOT-32 packages. Confirm electrical parameters match original design requirements.

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.