Power Transistor 2SD313 NPN, 3A TO-220

Power Transistor 2SD313 NPN, 3A TO-220

Transistors

Reference: TR2SD313

Part.No: 2SD313

€1.40

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The 2SD313 is a reliable NPN power transistor in a TO-220 package, designed for audio amplification, motor driving, and general-purpose high-current switching applications.

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Description
Product Details

2SD313 NPN Power Transistor – Reliable Switching & Audio Amplification

The 2SD313 is an NPN power transistor offering solid current handling and thermal performance in a standard TO-220 package. Well-suited for audio pre-driver stages, motor control circuits, and general-purpose power switching where heatsinking is practical.

Functions & Applications

Robust Power Handling: 3A continuous collector current suitable for audio drivers and motor control.
TO-220 Package: Industry-standard mounting with built-in thermal tab for easy heatsink attachment.
Audio-Grade Performance: Excellent linearity for analog amplification and pre-driver stages.
Proven Reliability: Classic topology widely used in vintage and modern audio equipment.

Technical Specifications

Parameter	Value / Specification
Transistor Type	BJT (Bipolar Junction Transistor)
Polarity / Channel	NPN
Package / Case	TO-220
Collector-Emitter Voltage (Vceo)	60V
Max Collector Current (Ic)	3A
Mounting Type	Through-Hole (THT) with Heatsink Tab

Frequently Asked Questions

Q: Is a heatsink required for the 2SD313?
A: Yes, when operating near 3A continuous current or in high ambient temperature, a suitable heatsink is essential to manage power dissipation and ensure reliable operation.

Q: Can the 2SD313 be used as a motor driver?
A: Yes, the 2SD313 is well-suited for low-power DC motor control and solenoid driving, provided the motor current remains below 3A and a flyback diode protects the transistor from inductive spikes.

Notes

Heatsink strongly recommended for sustained currents above 1A. Ensure adequate mechanical support for the TO-220 lead frame to prevent stress on solder joints.

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-220

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