Transistor BD169 NPN, 80V, 1.5A, 20W, TO126

Power Transistor BD169 NPN, 1.5A TO-126

Transistors

Reference: TRBD169

Part.No: BD169

€1.20

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The BD169 is an NPN power transistor in a TO-126 package, rated for 80V and 1.5A. Suited for driver stages, audio amplifiers and medium-power switching circuits.

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Description
Product Details

BD169 Power Transistor - Reliable Medium-Power NPN Switching

The BD169 is an NPN bipolar power transistor housed in a TO-126 package, built to handle up to 80V and 1.5A with 20W of power dissipation. It is commonly used as a driver stage in audio amplifiers, DC motor control and general-purpose medium-power switching applications.

Functions & Applications

Medium-Power Rating: Handles up to 1.5A and 20W, suitable for driver and small amplifier stages.
TO-126 Package: Compact power package with a metal tab for easy heatsink mounting.
80V Breakdown Voltage: Provides good headroom for switching inductive loads like relays and small motors.
Through-Hole Design: Easy to solder and prototype on standard PCBs or perfboard.

Technical Specifications

Parameter	Value / Specification
Transistor Type	BJT (Bipolar Junction Transistor)
Polarity / Channel	NPN
Package / Case	TO-126
Collector-Emitter Voltage (Vceo)	80V
Max Collector Current (Ic)	1.5A
Power Dissipation (Pd)	20W
Mounting Type	Through-Hole (THT)

Frequently Asked Questions

Q: Does the BD169 need a heatsink?
A: For sustained loads near its 20W or 1.5A rating, a heatsink attached to the TO-126 tab is recommended to keep junction temperature safe.

Q: What is the complementary PNP transistor for the BD169?
A: The commonly paired complementary PNP transistor is the BD170.

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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