Power Transistor BD435 NPN, 8A TO-126

Power Transistor BD435 NPN, 8A TO-126

Transistors

Reference: TRBD435

Part.No: BD435

€1.20

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The BD435 is a medium-power NPN Bipolar Junction Transistor (BJT) in a TO-126 package. Built for reliable output-stage amplification and push-pull topologies in audio amplifiers, DC power supplies, and automotive electronics.

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Description
Product Details

BD435 Power Transistor – Medium-Power NPN for Audio & DC Amplification

The BD435 is a robust medium-power NPN transistor designed for output-stage applications and push-pull amplifier topologies. With excellent current handling and voltage tolerance, it is ideal for car audio systems, radio amplifiers, and compact DC power supplies where reliable switching and linear amplification are essential.

Functions & Applications

Medium-Power NPN Design: Up to 8A collector current, ideal for driving loads in amplifier output stages.
TO-126 Package: Integrated mounting tab for efficient heat dissipation without requiring an external heatsink in many applications.
Complementary Pair: Works seamlessly with the BD436 (PNP) in symmetric push-pull configurations.
Voltage Tolerance: Higher voltage ratings than lower-numbered BD43x variants, suitable for automotive and industrial supplies.

Technical Specifications

Parameter	Value / Specification
Transistor Type	BJT (Bipolar Junction Transistor)
Polarity / Channel	NPN
Package / Case	TO-126
Collector-Emitter Voltage (Vceo)	60V
Max Collector Current (Ic)	8A
Power Dissipation (Pd)	12.5W
Mounting Type	Through-Hole (THT) with Heatsink Tab

Frequently Asked Questions

Q: What is the complementary PNP transistor for the BD435?
A: The BD436 is the complementary PNP transistor, designed to work alongside the BD435 in push-pull output stages.

Q: Can the BD435 drive a car audio speaker amplifier stage?
A: Yes, the BD435 is well-suited for car audio output stages. With 8A capability and 60V rating, it can deliver sufficient current to speaker driver circuits in typical automotive audio systems.

Note: Price refers to one (1) piece. The component is shipped in bulk without individual packaging.

Transistor Type: BJT (Bipolar Junction Transistor)
Transistor Polarity / Channel: NPN
Transistor Case Style: TO-126

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