TIP120

TIP120, TIP121, TIP122 TIP125, TIP126, TIP127

Manufacturer

STMicroelectronics

Overview

Part: TIP120, TIP121, TIP122, TIP125, TIP126, TIP127 (STMicroelectronics)

Type: Complementary power Darlington transistors

Key Specs:

Collector-base voltage (VCBO): 100 V
Collector-emitter voltage (VCEO): 100 V
Thermal resistance junction-case (Rthj-case): 1.92 °C/W
Thermal resistance junction-ambient (Rthj-amb): 62.5 °C/W
Collector cut-off current (ICEO): 0.5 mA

Features:

Low collector-emitter saturation voltage
Complementary NPN PNP transistors
Exceptional high gain performance
Very low saturation voltage

Applications:

General purpose linear and switching

Package:

TO-220: Length (L) 13 mm - 14 mm, Width (E) 10 mm - 10.40 mm

Features

Low collector-emitter saturation voltage
Complementary NPN PNP transistors

Electrical Characteristics

(Tcase = 25 °C; unless otherwise specified)

Symbol	Parameter	Test conditions	Max.	Unit
ICEO	Collector cut-off current (IB = 0)	for TIP120/125 VCE = 30 V	0.5	mA
		for TIP121/126 VCE = 40 V	0.5	mA
		for TIP122/127 VCE = 50 V	0.5	mA
ICBO	Collector cut-off
Table 4. Electrical characteristics(1)

For PNP types voltage and current values are negative.
Pulsed duration = 300 μs, duty cycle ≤ 2%

Absolute Maximum Ratings

For PNP types voltage and current values are negative.

Symbol	Parameter	Value	Unit
Rthj-case	Thermal resistance junction-case max.	1.92	°C/W
Rthj-amb	Thermal resistance junction-ambient max.	62.5	°C/W

Thermal Information

Related Variants

The following components are covered by the same datasheet.

Part Number	Manufacturer	Package
TIP120/125	STMicroelectronics	—

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

Get structured datasheet data via API

Get started free