Transistor BD227 PNP, 45 V, 1.5 A, TO126

Transistor BD227 PNP, 1.5A TO-126

Transistors

Reference: TRBD227

Part.No: BD227

€1.20

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The BD227 is a PNP Bipolar Junction Transistor (BJT) rated for 45V / 1.5A, housed in a TO-126 package. Commonly used as a driver or complementary output stage transistor in audio amplifiers and general-purpose power switching circuits.

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Description
Product Details

BD227 PNP Power Transistor - Driver Stage for Audio & Power Circuits

The BD227 is a PNP power transistor built for driver and small power-stage applications where a robust 45V/1.5A rating is needed. Its TO-126 package allows for direct heatsink mounting, making it a solid choice for audio amplifier driver stages, motor control and general switching circuits.

Functions & Applications

PNP Power Transistor: Rated for 45V / 1.5A, suitable for driver-level power handling.
TO-126 Package: Compatible with standard heatsinks for improved thermal performance under load.
Complementary Design Use: Commonly paired with an NPN counterpart in push-pull or complementary output stages.
Versatile Switching: Works well in power switching, motor driving and audio amplifier driver circuits.

Technical Specifications

Parameter	Value / Specification
Transistor Type	BJT (Bipolar Junction Transistor)
Polarity / Channel	PNP
Package / Case	TO-126
Collector-Emitter Voltage (Vceo)	45V
Max Collector Current (Ic)	1.5A
Mounting Type	Through-Hole (THT), heatsink-compatible

Frequently Asked Questions

Q: What is the maximum collector current the BD227 can handle?
A: The BD227 is rated for a continuous collector current of 1.5A, with a Vceo of 45V, making it suitable for driver and small power-stage duties.

Q: Does the BD227 need a heatsink?
A: For sustained higher-current operation it's recommended to add a heatsink; the TO-126 package's metal tab allows direct heatsink mounting to improve thermal performance.

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: PNP
Transistor Case Style: TO-126

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