Description: 1. TIP122 is a Darlington NPN transistor available in packs of five. It is a power transistor with high current gain and can handle relatively large currents and voltages compared to regular NPN transistors. 2. Features: Darlington configuration provides higher current capability (up to 800mA) and lower on-resistance than single NPN transistors, making it suitable for various power applications. The TIP122 also features a low hFE of approximately 15, which is typical for Darlington devices. 3. Applications: Common uses include motor control (e.g., DC fan speed control), switching heavy loads, and amplifying the output of other transistors or vacuum tubes. The TIP122 is also useful in power supplies, as it can serve as a switch for voltage regulation and filtering. 4. Benefits: By using a Darlington configuration, designers can achieve higher power handling capabilities with only two NPN transistors, reducing the overall component count and simplifying circuit design. Moreover, TIP1
| Specification | Details |
|---|---|
| Part Number | TIP122 |
| Package Type | TO-220 |
| Number of Pins | 3 ( Collector Emitter Base ) |
| Operating Voltage | -40V to +80V |
| Current Gain | 1000 (hFE) |
| Collector-Emitter | 500 V @ 1.5 mA |
| Power Dissipation | 65 W |
| Storage Temperature | -55°C to +150°C |
| Mounting Type | Through Hole or Surface Mount |
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