TIP122G

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TIP122G

+Nomenclature

TRANS NPN DARL 100V 5A TO-220

  • FabricantSemi - conducteurs

  • Pièce fabricant #TIP122G

  • Fiche technique TIP122G DataSheet

  • En stock4573

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Spécifications

Attribut Valeur
Part Status Active
Base Product Number TIP122
Transistor Type NPN - Darlington
Current - Collector (Ic) (Max) 5 A
Voltage - Collector Emitter Breakdown (Max) 100 V
Vce Saturation (Max) @ Ib, Ic 4V @ 20mA, 5A
Current - Collector Cutoff (Max) 500µA
DC Current Gain (h FE) (Min) @ Ic, Vce 1000 @ 3A, 3V
Power - Max 2 W
Operating Temperature -65°C ~ 150°C (TJ)
Mounting Type Through Hole
Package / Case TO-220-3
Supplier Device Package TO-220
Packaging Tube

Présentation

Description

The TIP122G is a high-current, high-voltage NPN Darlington transistor used in various electronic applications, particularly for switching and amplification. It features a high current gain, typically around 1000, allowing it to amplify low-level input signals effectively. The device can handle collector currents up to 5 A and has a maximum collector-emitter voltage rating of 100 V, making it suitable for driving motors, relays, and other inductive loads.
The TIP122G is often used in conjunction with a microcontroller or logic-level signal to control larger loads, as its base-emitter voltage is typically around 1.2 V. It comes in a TO-220 package, which aids in heat dissipation.
Key features include high gain, enhanced thermal stability, and ease of use in switching applications. When designing circuits with TIP122G, it's important to incorporate necessary protection diodes for inductive loads to prevent back EMF from damaging the transistor. Overall, TIP122G is a versatile component in power control and signal amplification tasks in electronic designs.

Equivalent

The TIP122G is a Darlington transistor, and its equivalents include the TIP120, TIP121, and MPSU01. Additionally, you can consider the 2N6284, 2N3055 (for high power), and BC547 for lower power applications. Ensure that the voltage, current ratings, and package types match your requirements when selecting an equivalent.

Features

The TIP122G is a high-power NPN Darlington transistor designed for various applications, including switching and amplification. Key features include:
1. High Current Gain: The TIP122G offers a high DC current gain (hFE), making it suitable for low-input current applications.
2. Collector-Emitter Voltage (Vce): It has a maximum collector-emitter voltage rating of 100V, allowing it to handle significant voltage levels.
3. Collector Current (Ic): Capable of handling continuous collector current up to 5A, making it suitable for driving motors and other high-current loads.
4. Power Dissipation: It can dissipate power up to 65W, with adequate heat sinking.
5. High Switching Speed: It provides fast switching capabilities, making it ideal for pulse applications.
6. Thermal Stability: Integrated thermal protection helps ensure reliable operation in varying conditions.
7. Package Type: Typically available in TO-220 or TO-247 packages for easy mounting and heat dissipation.
Overall, the TIP122G is versatile and widely used in various electronic circuits for switching and control applications.

Pinout

The TIP122G is a Darlington transistor with a total of three pins. Here are the pin functions:
1. Base (B) - Pin 1: This pin receives the input signal that controls the transistor. It is responsible for turning the transistor on and off.
2. Collector (C) - Pin 2: This is the main current-carrying terminal where the load is connected. The collector current flows from this pin when the transistor is in the "on" state.
3. Emitter (E) - Pin 3: This pin serves as the output terminal, allowing the current to flow out of the transistor when it is activated.
The TIP122G is commonly used in switching applications, as it can handle high currents and voltages, making it suitable for driving motors, relays, and other high-power devices.

Manufacturer

The TIP122G is manufactured by Texas Instruments, a leading American technology company. Founded in 1930, Texas Instruments (TI) specializes in designing and manufacturing semiconductors and various integrated circuits. The company is prominent in the fields of analog and embedded processing. TI provides a wide range of products, including microcontrollers, digital signal processors, and power management solutions, used in consumer electronics, automotive systems, industrial applications, and more. Texas Instruments is known for its innovation in electronic components and plays a significant role in advancing technology across multiple sectors.

Application

The TIP122G is a NPN Darlington transistor commonly used in various applications, including:
1. Switching Circuits: It can control high-current loads like motors, lamps, and solenoids.
2. Amplification: It is used for amplifying low-level signals in audio and sensor applications.
3. Relay Drivers: It drives electromagnetic relays in automation systems.
4. LED Drivers: It powers high-brightness LEDs in lighting systems.
5. Current Regulation: It helps maintain a steady output in power supply circuits.
Its high current gain and capability to handle significant voltage make it versatile for these applications.

Package

The TIP122G is available in a TO-220 package type. This package features a metal tab for heat dissipation, making it suitable for applications requiring power transistors in a robust and thermally efficient design.