TIP120/121/122
NPN Darlington Power TransistorThe TIP120/121/122 is a npn darlington power transistor from STMicroelectronics. View the full TIP120/121/122 datasheet below including key specifications.
Official TIP120/121/122 datasheet (PDF) — the source this page was extracted from.
TIP120/121/122 Key Specifications
| Parameter | Value |
|---|---|
| Base Current (IB) | 0.1A |
| Storage Temperature | -65°C to 150°C |
| DC Current Gain (HFE) | min 1000 at IC=0.5A/3A, VCE=3V |
| Collector Current (IC) | 5A |
| Emitter-Base Voltage (VEBO) | 5V |
| Collector Peak Current (ICM) | 8A |
| Collector-Base Voltage (VCBO) | 60V (TIP120) / 80V (TIP121) / 100V (TIP122) |
| Base-Emitter Voltage (VBE(On)) | max 2.5V at IC=3A, VCE=3V |
| Collector-Emitter Voltage (VCEO) | 60V (TIP120) / 80V (TIP121) / 100V (TIP122) |
| Thermal Resistance Junction-Case | 1.92°C/W max |
| Max Operating Junction Temperature | 150°C |
| Total Dissipation (Tamb ≤ 25°C) | 2W |
| Thermal Resistance Junction-Ambient | 62.5°C/W max |
| Total Dissipation (Tcase ≤ 25°C) | 65W |
| Collector-Emitter Saturation Voltage (VCE(Sat)) | max 2V at IC=3A, IB=12mA; max 4V at IC=5A, IB=20mA |
TIP120/121/122 Overview
Part: TIP120/121/122 TIP125/126/127 — STMicroelectronics
Type: Complementary Silicon Power Darlington Transistors
Description: Silicon Epitaxial-Base NPN and complementary PNP power transistors in monolithic Darlington configuration, intended for use in power linear and switching applications.
Operating Conditions:
- Operating junction temperature: Up to 150 °C
Absolute Maximum Ratings:
- Collector-Base Voltage (V_CBO): 100 V (for TIP122/127)
- Collector-Emitter Voltage (V_CEO): 100 V (for TIP122/127)
- Collector Current (I_C): 5 A
- Collector Peak Current (I_CM): 8 A
- Total Dissipation (P_tot): 65 W (at T_case ≤ 25 °C)
- Storage temperature: -65 to 150 °C
Key Specs:
- Collector-Emitter Sustaining Voltage (V_CEO(sus)): 100 V (min, for TIP122/127 at I_C = 30 mA)
- Collector-Emitter Saturation Voltage (V_CE(sat)): 2 V (max, at I_C = 3 A, I_B = 12 mA)
- Base-Emitter Voltage (V_BE(on)): 2.5 V (max, at I_C = 3 A, V_CE = 3 V)
- DC Current Gain (h_FE): 1000 (min, at I_C = 0.5 A, V_CE = 3 V)
- DC Current Gain (h_FE): 1000 (min, at I_C = 3 A, V_CE = 3 V)
- Collector Cut-off Current (I_CEO): 0.5 mA (max, for TIP122/127 at V_CE = 50 V)
- Thermal Resistance Junction-case (R_thj-case): 1.92 °C/W (max)
Features:
- NPN and complementary PNP types (TIP120/121/122 and TIP125/126/127)
- Monolithic Darlington configuration
- Silicon Epitaxial-Base
Applications:
- Power linear applications
- Switching applications
Package:
- TO-220 plastic package
TIP120/121/122 Thermal Information
| R thj-case R thj-amb | Thermal Resistance Junction-case Thermal Resistance Junction-ambient | Max Max | 1.92 62.5 | o C/W o C/W |
|---|
Variants on the same datasheet
These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.
| Part Number | Manufacturer | Package |
|---|---|---|
| TIP120 | STMicroelectronics | TO-220 |
| TIP120/125 | STMicroelectronics | TO-220 |
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