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BD438 PNP Power Transistor 4A 45V TO-126

BD438 PNP Power Transistor 4A 45V TO-126

Part number: BD438Transistors & MOSFETs

Lowest price now

2 EGP

2 offers · 2 storesSave up to 75%

View in store: Makers Electronics

Prices updated: 13 Oct 2026

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Makers Electronics logoMakers ElectronicsCheapest2 EGPView in store
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Price history

Lowest daily price, last 90 days

2.0321.9712 Oct 202613 Oct 2026

Lowest price recorded: 2 EGP

About this product

The BD438 is a PNP power bipolar transistor rated for -4 A collector current and -45 V collector-emitter voltage, housed in a TO-126 package. It is used in general-purpose power switching and amplification, and is the complementary partner of the NPN BD437.

Specifications

Type
PNP
Collector current
-4 A
Collector-emitter voltage
-45 V
Collector dissipation
36 W
DC current gain (hFE)
30 to 140
Transition frequency
3 MHz
Package
TO-126 (SOT-32)

Frequently asked questions

What is the price of BD438 PNP Power Transistor 4A 45V TO-126 in Egypt?

BD438 PNP Power Transistor 4A 45V TO-126 currently costs between 2 and 8 EGP across 2 offers in Egypt.

Where can I buy BD438 PNP Power Transistor 4A 45V TO-126 in Egypt?

BD438 PNP Power Transistor 4A 45V TO-126 is available from Makers Electronics and Circuits Electronics. Compare the offers above to find the best price.

What is the pinout of the BD438?

As listed, pin 1 is Emitter, pin 2 is Collector and pin 3 is Base. Verify the orientation against the datasheet before soldering.

Does it need a heatsink?

For currents or dissipation near its rating, mount it on a heatsink. Its 36 W collector dissipation depends on proper thermal management.