BD436

Description：TRANS PNP 32V 4A TO-126
Series：-

SKU:87a460f9be53 Category: Single Bipolar Transistors Brand: onsemi

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Product introduction

Product Detailed Parameters

Description：TRANS PNP 32V 4A TO-126
Series：-
Mfr：onsemi
Package：Bulk
Transistor Type：PNP
Current - Collector (Ic) (Max)：4:00 AM
Voltage - Collector Emitter Breakdown (Max)：32 V
Vce Saturation (Max) @ Ib, Ic：500mV @ 200mA, 2A
Current - Collector Cutoff (Max)：100µA
DC Current Gain (hFE) (Min) @ Ic, Vce：50 @ 2A, 1V
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
Grade：-
Qualification：-

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BD436

Overview

The BD436T is a discontinued PNP bipolar junction transistor manufactured by onsemi, housed in a TO-126 (TO-225AA) through-hole package. It features a maximum collector current of 4 A and a collector-emitter breakdown voltage of 32 V. The device has a maximum power dissipation of 36 W and a transition frequency of 3 MHz. DC current gain is specified at a minimum of 85 at 500 mA with 1 V collector-emitter voltage. Saturation voltage is rated at a maximum of 500 mV at 200 mA base current and 2 A collector current. Operating junction temperature ranges from -55°C to 150°C.

Feature Summary

PNP polarity configuration for complementary circuit designs
High current handling capability up to 4 A
Through-hole mounting for robust mechanical stability

Applications

Audio amplifier output stages
Power supply regulation circuits
General-purpose switching applications

Procurement Notes

Verify component status as the BD436T is officially discontinued. Confirm RoHS compliance requirements against the specific manufacturing date code, as older stock may not meet current environmental standards. Validate pinout compatibility with existing PCB footprints before integration into new designs.

Selection Notes

Select this component for high-current PNP applications requiring through-hole reliability. Ensure thermal management supports the 36 W dissipation rating. Consider alternative active parts if long-term supply continuity is required for production runs.

Part Context

Part of the BD4xx series of medium-power PNP transistors designed for audio and general-purpose amplification. The TO-126 package provides effective heat dissipation compared to smaller surface-mount alternatives.