Overview
The TIP125TU is a PNP Epitaxial Darlington Transistor produced by Fairchild Semiconductor. This transistor is part of the TIP125 series and is known for its medium power linear switching capabilities. Although the product is currently obsolete and not in production, it remains relevant for existing designs and legacy systems. The TIP125TU is packaged in a TO-220-3 case, making it suitable for through-hole mounting.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Category | Discrete Semiconductor Products | |
| Current - Collector (Ic) (Max) | 5A | |
| Current - Collector Cutoff (Max) | 2mA | |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 1000 @ 3A, 3V | |
| Voltage - Collector Emitter Breakdown (Max) | 60V | |
| Vce Saturation (Max) @ Ib, Ic | 4V @ 20mA, 5A | |
| Power - Max | 2W | |
| Mounting Type | Through Hole | |
| Package / Case | TO-220-3 | |
| Storage Temperature Range | -65 to 150°C | |
| Maximum Operating Junction Temperature | 150°C |
Key Features
- PNP Epitaxial Darlington Transistor
- Medium power linear switching applications
- Complementary to TIP120, TIP121, and TIP122 NPN transistors
- High DC current gain (hFE) of 1000 at 3A and 3V
- Collector-emitter voltage (VCEO) of 60V
- Collector current (IC) of up to 5A and peak current of 8A
- Thermal resistance, junction-to-case (RthJC) of 1.92°C/W and junction-to-ambient (RthJA) of 62.5°C/W
Applications
The TIP125TU is suitable for a variety of medium power linear switching applications. It is commonly used in:
- Power amplifiers and drivers
- Relay and solenoid drivers
- Motor control circuits
- General-purpose switching and amplification in industrial and consumer electronics
Q & A
- What is the maximum collector current of the TIP125TU?
The maximum collector current (Ic) of the TIP125TU is 5A. - What is the collector-emitter breakdown voltage of the TIP125TU?
The collector-emitter breakdown voltage (VCEO) of the TIP125TU is 60V. - What is the DC current gain (hFE) of the TIP125TU?
The DC current gain (hFE) of the TIP125TU is 1000 at 3A and 3V. - What is the maximum operating junction temperature of the TIP125TU?
The maximum operating junction temperature (TJ) of the TIP125TU is 150°C. - What is the package type of the TIP125TU?
The TIP125TU is packaged in a TO-220-3 case. - Is the TIP125TU still in production?
No, the TIP125TU is obsolete and not in production. - What are the typical applications of the TIP125TU?
The TIP125TU is used in medium power linear switching applications, including power amplifiers, relay and solenoid drivers, and motor control circuits. - What is the thermal resistance, junction-to-case (RthJC) of the TIP125TU?
The thermal resistance, junction-to-case (RthJC) of the TIP125TU is 1.92°C/W. - What is the storage temperature range of the TIP125TU?
The storage temperature range of the TIP125TU is -65 to 150°C. - What is the maximum power dissipation of the TIP125TU at ambient temperature?
The maximum power dissipation of the TIP125TU at ambient temperature (TA = 25°C) is 2W.
