Description
TIP121 – NPN Darlington Power Transistor (80V, 5A, TO-220)
📄 Description:
The TIP121 is a popular NPN Darlington Power Transistor designed for medium to high current switching and linear applications. It features a collector-emitter voltage of 80V, collector current of 5A, and power dissipation capability of up to 65W. Its built-in Darlington pair provides very high current gain, making it suitable for applications where base drive current is limited.
Packaged in a standard TO-220, it offers easy heatsink mounting and excellent thermal performance, ideal for industrial and consumer electronics.
📐 Specifications:
Parameter | Value |
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Transistor Type | NPN |
Package | TO-220 |
Collector-Emitter Voltage (Vce) | 80V |
Collector-Base Voltage (Vcb) | 80V |
Emitter-Base Voltage (Veb) | 5V |
Collector Current (Ic) | 5A |
Base Current (Ib) | 120mA |
Power Dissipation (Ptot) | 65W |
DC Current Gain (hFE) | 1000 (typical) |
Operating Temperature | -65°C to +150°C |
Complementary Pair | TIP126 (PNP) |
🌟 Key Features:
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💡 Darlington Configuration – High gain (hFE up to 1000+)
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⚡ High Voltage & Current – 80V / 5A capability
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♨️ Power Dissipation – Up to 65W with proper heatsink
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🧲 Low Base Drive Requirement
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📦 TO-220 Package – Compact with excellent heat handling
⚙️ Applications:
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🔊 Audio Amplifier Output Stages
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🔄 Motor Drivers and Control Circuits
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🔌 Voltage Regulators
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💡 DC Lighting Systems
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🔁 Relay and Solenoid Drivers
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🧰 Industrial Automation
Specification
General
Weight Weight | 0,0000 g |
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