TIP31A NPN bipolar transistor, 3 A / 60 V, TO-220 through-hole package. Ideal for medium-power switching and amplification in your electronics projects.
The TIP31A is a powerful NPN bipolar junction transistor designed for switching and amplification applications. Housed in a three-pin TO-220 package, it handles a continuous collector current of up to 3 A and a collector-emitter voltage of 60 V.
Ideal for driving inductive loads (relays, solenoids), regulating DC motor speed, or serving as an output stage in linear power supplies. Its through-hole mounting makes it easy to integrate into breadboards or custom PCBs with appropriate heat sinking.
| Parameter | Value |
|---|---|
| Transistor Type | NPN |
| Max DC Collector Current (Ic) | 3 A |
| Max Collector-Emitter Voltage (Vceo) | 60 V |
| Max Collector-Base Voltage (Vcbo) | 60 V |
| Max Emitter-Base Voltage (Veb) | 5 V |
| Max Power Dissipation (Ptot) | 2 W (without heatsink) |
| Min DC Current Gain (hFE) | 10 |
| Package Type | TO-220 |
| Mounting Type | Through-Hole |
For applications requiring higher thermal dissipation, adding a heatsink to the metal tab of the TO-220 package is recommended. This transistor is commonly used in motor control modules and power supply circuits.
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TIP31A NPN bipolar transistor, 3 A / 60 V, TO-220 through-hole package. Ideal for medium-power switching and amplification in your electronics projects.
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