Transistor BC441 NPN, 60V, TO-39

Power Transistor BC441 NPN, 2A TO-39

Transistors

Reference: TRBC441

Part.No: BC441

€1.40

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The BC441 is a medium-power NPN Bipolar Junction Transistor (BJT) in a metal TO-39 package. Designed for driver stages, audio output and general-purpose switching applications requiring higher current and voltage margins than small-signal parts.

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Description
Product Details

BC441 Medium-Power NPN Transistor - Built for Driver & Output Stages

The BC441 is an NPN medium-power transistor housed in a rugged TO-39 metal package, commonly used in audio driver stages, DC motor control and relay/solenoid switching. Its higher voltage and current rating compared to small-signal transistors makes it a practical step up when a BC547-class device runs out of headroom.

Functions & Applications

Medium-Power Capability: Handles up to 2A of collector current, suitable for driver and output stages.
60V Vceo Rating: Comfortable voltage margin for automotive, 24V industrial and audio circuits.
Rugged TO-39 Metal Case: Better heat dissipation than plastic packages, supports light heatsinking if needed.
General-Purpose Switching: Well suited for relays, small motors and solenoid driving from microcontroller-level control circuits.

Technical Specifications

Parameter	Value / Specification
Transistor Type	BJT (Bipolar Junction Transistor)
Polarity / Channel	NPN
Package / Case	TO-39
Collector-Emitter Voltage (Vceo)	60V
Max Collector Current (Ic)	2A
Power Dissipation (Pd)	10W (with heatsink)
Mounting Type	Through-Hole (THT)

Frequently Asked Questions

Q: What is the complementary PNP part for BC441?
A: The complementary PNP transistor with matching characteristics is the BC461.

Q: Does the BC441 need a heatsink?
A: For low-current switching a heatsink isn't required, but for higher currents near its 2A limit or continuous dissipation above roughly 1W in free air, adding a small heatsink to the TO-39 case is recommended.

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-39

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