
BD438 PNP Power Transistor 4A 45V TO-126
Prices updated: 13 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
Makers ElectronicsCheapest | BD438 PNP Transistor 4A, 45V, 3-Pin SOT-32 | 2 EGP | View in store |
Circuits Electronics | BD438 PNP Transistor 4 A, 45 V, 3-Pin | 8 EGP | View in store |
Price history
Lowest daily price, last 90 days
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.






