BLD135D NPN Transistor 400V 3.5A 50W SOT-82
Prices updated: 13 Oct 2026
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| Store | product | Price | View in store |
|---|---|---|---|
 Makers Electronics | BLD135D NPN Transistor 400V 3.5A 50W SOT-82 | 20 EGP | View in store |
Price history
Lowest daily price, last 90 days
Lowest price recorded: 20 EGP
About this product
BLD135D is an NPN power transistor rated at 400V, 3.5A and 50W, with a 700V collector-base rating. It is listed for high-speed switching in a SOT-82 through-hole package and suits switching stages in power electronics. Verify the pinout and switching limits in the manufacturer datasheet before designing it into a circuit.
Specifications
- Polarity
- NPN
- Voltage
- 400V
- Collector current
- 3.5A
- Power dissipation
- 50W
- Collector-base voltage
- 700V
- Package
- SOT-82
Frequently asked questions
What is the price of BLD135D NPN Transistor 400V 3.5A 50W SOT-82 in Egypt?
BLD135D NPN Transistor 400V 3.5A 50W SOT-82 currently costs 20 EGP in Egypt.
Where can I buy BLD135D NPN Transistor 400V 3.5A 50W SOT-82 in Egypt?
BLD135D NPN Transistor 400V 3.5A 50W SOT-82 is available from Makers Electronics. Compare the offers above to find the best price.
Can I drive it directly from an Arduino pin?
Usually not. A microcontroller pin cannot supply enough base current to fully switch a 3.5A transistor. Use a driver transistor or a MOSFET stage, and check the datasheet for the required base current.
Does it need a heatsink?
For switching loads near its rated power, a heatsink is recommended. The 50W rating assumes effective heat removal, so check the thermal conditions in the datasheet.
