TIP127 Datasheet [100V, 5 Amp PNP Darlington Transistor]

The TIP127 is a PNP Darlington transistor commonly used for high-power switching applications. Here is the complete datasheet for this transistor:

Electrical Characteristics:

Collector-Emitter Voltage (VCEO): 100V
Collector-Base Voltage (VCBO): 100V
Emitter-Base Voltage (VEBO): 5V
Collector Current (IC): 5A (continuous), 8A (peak)
Base Current (IB): 50mA (continuous), 100mA (peak)
Power Dissipation (PD): 2W
Minimum hFE or DC Current gain: 1000

Thermal Characteristics:

Junction Temperature (Tj): -65°C to 150°C
Thermal Resistance - Junction to Case (RθJC): 3.125°C/W
Thermal Resistance - Junction to Ambient (RθJA): 62.5°C/W

Pin Configuration:

As shown in the above figure, the TIP127 transistor has three pins: the collector (C), the base (B), and the emitter (E). The pinout configuration is as follows:

Pin 1: Base (B)
Pin 2: Collector (C)
Pin 3: Emitter (E)

Internal Darlington Configuration

The TIP127 is a PNP Darlington transistor which has two PNP transistors configured with each other, as shown in the following diagram:

How to Switch ON TIP127 Transistor

Since the TIP127 is a PNP transistor, it can be switched ON by applying a negative potential to it base pin, as shown in the following circuit diagram:

Package Information:

The TIP127 transistor is available in the TO-220 package, which is a through-hole package with a single mounting hole. The package dimensions are as follows:

TO-220 Package: 10.67mm x 15.87mm x 4.83mm

Typical Applications:

The TIP127 transistor is commonly used in high-power switching applications, such as:

Power supplies
Motor control
Lamp dimming
Solenoid control
Audio amplifiers
High-current drivers

Limitations:

Maximum Collector Current: 5A (continuous)
Maximum Power Dissipation: 2W
Maximum Voltage: 100V

Other Features:

Darlington Configuration
High DC Current Gain (hFE)
Low Saturation Voltage (VCEsat)

Note: This information is taken from the TIP127 datasheet published by ON Semiconductor. Actual values may vary based on specific manufacturer and production batch.