Overview
The TIP125 is a Medium Power PNP Darlington Bipolar Power Transistor designed for general-purpose amplifier and low-speed switching applications. It is part of a family of Darlington transistors that includes the TIP125, TIP126, and TIP127, which are complementary to the NPN types TIP120, TIP121, and TIP122.
This transistor is known for its high DC current gain and low collector-emitter saturation voltage, making it suitable for a variety of applications requiring medium power handling.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Collector-Base Voltage (VCBO) | -60 | V |
| Collector-Emitter Voltage (VCEO) | -60 | V |
| Emitter-Base Voltage (VEBO) | -5 | V |
| Collector Current (DC) (IC) | -5 | A |
| Collector Current (Pulse) (ICP) | -8 | A |
| Base Current (DC) (IB) | -120 | mA |
| Junction Temperature (TJ) | 150 | °C |
| Storage Temperature Range (TSTG) | -65 to 150 | °C |
| Collector Dissipation (PC) at TA = 25°C | 2 | W |
| Collector Dissipation (PC) at TC = 25°C | 65 | W |
| Collector-Emitter Sustaining Voltage (VCEO(sus)) | -60 | V |
| Collector Cut-Off Current (ICEO) | -2 | mA |
| DC Current Gain (hFE) | 1000 | |
| Collector-Emitter Saturation Voltage (VCE(sat)) | -2 | V |
| Base-Emitter On Voltage (VBE(on)) | -2.5 | V |
Key Features
- Medium Power Linear Switching Applications
- High DC Current Gain (hFE = 1000 typical at IC = 3 A)
- Low Collector-Emitter Saturation Voltage (VCE(sat) = 2 V at IC = 3 A)
- Monolithic Construction with Built-In Base-Emitter Shunt Resistors
- Compact TO-220 AB Package
- Pb-Free Packages are Available
Applications
- General-purpose amplifier applications
- Low-speed switching applications
- Power supply circuits
- Motor control circuits
- Relay drivers
Q & A
- What is the TIP125 transistor used for?
The TIP125 is used for general-purpose amplifier and low-speed switching applications.
- What is the collector-emitter voltage rating of the TIP125?
The collector-emitter voltage rating of the TIP125 is -60 V.
- What is the maximum collector current of the TIP125?
The maximum collector current (DC) of the TIP125 is -5 A.
- What is the typical DC current gain of the TIP125?
The typical DC current gain (hFE) of the TIP125 is 1000 at IC = 3 A.
- What package type is the TIP125 available in?
The TIP125 is available in the TO-220 AB package.
- Is the TIP125 Pb-free?
- What is the junction temperature range of the TIP125?
The junction temperature range of the TIP125 is up to 150°C.
- What is the storage temperature range of the TIP125?
The storage temperature range of the TIP125 is -65 to 150°C.
- Can the TIP125 be used in life support devices?
No, the TIP125 is not authorized for use as a critical component in life support devices or systems without express written approval from the manufacturer.
- What is the collector-emitter saturation voltage of the TIP125?
The collector-emitter saturation voltage (VCE(sat)) of the TIP125 is typically -2 V at IC = 3 A.
