TIP140, TIP141, TIP142, TIP147 Features Pinout, datasheet

TIP142 is a 10A 100 V NPN Darlington Power Transistor, 125 WATTS.

The TIP142 is an NPN Darlington power transistor that is widely used in various applications requiring high current amplification. Designed for general−purpose amplifier and low frequency switching applications.

TIP142 Specification

• Transistor Type  :  NPN Darlington
• Maximum Continuous Collector Current (Ic)  :  10 A
• Maximum Collector Emitter Voltage (Vce) : 100 V
• Maximum Emitter Base Voltage (Veb) :  5 V
• Package Type  :  TO-247, TO-218
• Mounting Type  :  Through Hole
• Pin Count  :  3
• High DC Current Gain –  Min hFE = 1000 @ IC= 5.0 A, VCE = 4 V
• Maximum Collector Base Voltage (Vcb) :  100 V
• Maximum Collector Emitter Saturation Voltage    3 V
• Maximum Operating Temperature (Tj)   +150 °C
• Minimum Operating Temperature    -65 °C
• Power Dissipation (Ptot): 125W

Collector−Emitter Sustaining Voltage − @ 30 mA

VCEO(sus) = 60 Vdc (Min) − TIP140, TIP145

= 80 Vdc (Min) − TIP141, TIP146

= 100 Vdc (Min) − TIP142, TIP147

TIP142 TIP147 Pinout

TIP142 Features

1. High Current Gain: As a Darlington transistor, it combines two transistors to achieve a very high current gain (hFE), making it suitable for amplifying very small currents.
2. High Current Handling: The TIP142 can handle a collector current of up to 10A, with a peak of 20A. This makes it useful in high-power applications.
3. High Voltage Tolerance: It can withstand a voltage of 100V across the collector-emitter and collector-base junctions.
4. Low Saturation Voltage: Despite being a high-power transistor, the saturation voltage is relatively low, improving efficiency when used in switching applications.
5. Built-in Protection: It includes a base-emitter resistor to help stabilize the transistor and protect it against unwanted effects such as thermal runaway.
6. TO-247 Package: The transistor comes in a TO-247 package, which helps in heat dissipation, allowing it to handle higher power levels without excessive heating.

TIP142 Applications

• Motor Drivers: TIP142 is commonly used in motor control circuits for driving DC motors, especially in high-power applications such as industrial machines or robotics.
• Audio Amplifiers: Due to its high current gain, it’s used in high-power audio amplification systems to drive speakers and other audio equipment.
• Switching Regulators: In power supply designs, it is used in the switching regulation circuits for voltage and current regulation.
• Relay Drivers: It can be used to control relays in circuits where large current needs to be switched on and off.
• Power Supplies: TIP142 is often found in power supplies, especially those needing to regulate and switch high currents, such as uninterruptible power supplies (UPS).
• Lighting Controllers: It can be employed in dimming circuits or in control systems for high-power lighting applications like industrial or outdoor lighting systems.
• Battery Chargers: It can also be used in battery charging circuits, particularly for high-capacity batteries requiring a regulated current flow.

 TIP142 TIP141 TIP140 transistor equivalent

2SD2390, BDV65B, 2SD1197

Datasheet pdf

TIP140, TIP141, TIP142, TIP145, TIP146, TIP147 Datasheet