Description
TIP35C – NPN Power Transistor
TIP35C – NPN Power Transistor(High-power, high-current BJT in TO-247 package)
General Description
General DescriptionThe TIP35C is a silicon NPN power transistor designed for high power switching and amplification applications. It can handle up to 25A continuous collector current and up to 100V collector-emitter voltage. It’s robust, reliable, and widely used in motor control, audio amplification, and power supply designs.
Key Specifications
Key Specifications| Parameter | Value |
|---|---|
| Type | NPN Power BJT |
| VCEO (Collector-Emitter Voltage) | 100V |
| VCBO (Collector-Base Voltage) | 100V |
| IC (Collector Current) | 25A continuous |
| ICM (Peak Collector Current) | 40A |
| VBE(on) (Base-Emitter On Voltage) | ~2V |
| PD (Power Dissipation) | 125W (with heatsink) |
| hFE (DC Gain @ 4A, 4V CE) | 15 – 75 |
| Transition Frequency (fT) | 3 MHz |
| Junction Temp (Tj) | –65°C to +150°C |
| Package Type | TO-247 (TO-218 compatible) |
Package Pinout – TO-247 (3-Pin)
Package Pinout – TO-247 (3-Pin) _____
| |
B —| 1 |— C (Tab)
E —| 3 |
|_____|
1 – Base
2 – Collector (also the metal tab)
3 – Emitter
Typical Applications
Typical Applications- High-current switching
- DC motor drivers
- Inverter and UPS systems
- Linear or Class AB audio amplifiers
- Power supplies and regulators
- Battery chargers
Features
Features- Rugged and thermally stable
- Can be paralleled for higher current
- Easy to drive (like standard BJT)
- Available with complementary PNP (TIP36C)
Advantages
Advantages- High current and voltage capacity
- Excellent for linear and switching modes
- TO-247 package allows efficient cooling
- Widely available and cost-effective
Design Tips
Design Tips- Requires a heatsink for high power use (≥10A)
- Use a base resistor to limit base current and protect the driver
- Add flyback diode when switching inductive loads
- Consider Darlington pair setup for higher current gain
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