TIP31C NPN Power Transistor is a robust, reliable, and widely used bipolar junction transistor (BJT) designed for medium- to high-power switching and amplification applications. Known for its excellent current handling capability and high voltage rating, the TIP31C is a preferred choice in power supplies, audio amplifiers, motor drivers, and industrial control circuits.
Manufactured using advanced planar technology, the TIP31C transistor offers stable electrical performance, efficient heat dissipation, and long operational life. Its rugged TO-220 package allows easy mounting on heat sinks, making it suitable for applications that require sustained power dissipation and reliable thermal management.
Whether used by electronics professionals, hobbyists, or educational institutions, the TIP31C NPN transistor delivers dependable performance in both linear and switching modes.
Key Features of TIP31C NPN Power Transistor
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High Voltage Capability
Rated for collector-emitter voltages up to 100 V, making it suitable for high-voltage power circuits. -
High Collector Current Rating
Can handle up to 3 A continuous collector current, ideal for power control applications. -
Low Saturation Voltage
Ensures efficient switching with minimal power loss. -
Excellent Thermal Performance
TO-220 package allows efficient heat dissipation when used with an external heat sink. -
Fast Switching Speed
Suitable for switching regulators, relay drivers, and pulse circuits. -
High Power Dissipation
Supports power dissipation up to 40 W with proper heat sinking. -
Proven Reliability
Widely used in commercial, industrial, and educational electronics projects.
Technical Specifications – TIP31C NPN Power Transistor
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Transistor Type: NPN Bipolar Junction Transistor (BJT)
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Part Number: TIP31C
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Package Type: TO-220
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Collector-Emitter Voltage (V<sub>CEO</sub>): 100 V
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Collector-Base Voltage (V<sub>CBO</sub>): 100 V
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Emitter-Base Voltage (V<sub>EBO</sub>): 5 V
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Continuous Collector Current (I<sub>C</sub>): 3 A
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Peak Collector Current: 5 A
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Power Dissipation (P<sub>D</sub>): 40 W (with proper heat sink)
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DC Current Gain (hFE): 10 – 50
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Transition Frequency (f<sub>T</sub>): ~3 MHz
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Operating Junction Temperature: –65°C to +150°C
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Mounting Type: Through-hole
Specifications may vary slightly depending on manufacturer and operating conditions.
Applications of TIP31C NPN Power Transistor
The TIP31C power transistor is extremely versatile and finds use in a wide range of electronic circuits and systems, including:
Power Supplies
Used in linear voltage regulators, pass transistor stages, and current control circuits where stable performance is required.
Audio Amplifiers
Commonly used in audio power amplifier output stages, pre-drivers, and signal amplification circuits.
Motor & Relay Drivers
Ideal for driving DC motors, relays, solenoids, and inductive loads in automation and control systems.
Switching Circuits
Used in high-current switching applications, such as inverters, switching regulators, and load controllers.
Battery Chargers
Employed in charging circuits for current regulation and voltage control.
Educational & DIY Electronics
Popular in electronics labs, training kits, and hobby projects due to its durability and ease of use.
Why Choose the TIP31C NPN Power Transistor?
The TIP31C stands out for its high voltage rating, strong current handling capability, and excellent thermal stability. Compared to general-purpose transistors, it is specifically designed for power applications, ensuring reliable operation even under demanding conditions.
Its standard TO-220 package makes it easy to integrate into both prototyping and production environments. The transistor’s wide availability, proven track record, and cost-effectiveness make it a go-to solution for engineers, students, and electronics manufacturers.
Buy TIP31C NPN Power Transistor Online
If you are looking for a durable, high-performance NPN power transistor for your next project or production requirement, the TIP31C is an excellent choice. Suitable for switching, amplification, and power control applications, it delivers consistent and dependable performance across a wide range of use cases.
Order the TIP31C NPN Power Transistor today and ensure reliable power handling in your electronic designs.
Package Includes:
1 x TIP31C NPN Power Transistor
FAQ
1. Where can we buy this TIP31C NPN Power Transistor?
This product is available online https://aiiottech.in/product/tip31c-npn-power-transistor/ and also available at our store in Pudupakkam/Kelambakkam, Chennai-603103
2. When can I get this TIP31C NPN Power Transistor after placing the order?
RGRJ AIIoT TECHNOLOGIES will immediately ship and deliver the product within 1-3 working days.
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