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TIP122F
Public Made by Adomby adom
Changjing Darlington Transistors, TO-220F. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownTIP122F
Changjing · Darlington Transistors · TO-220F
TIP122F from Changjing, in a TO-220F. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | BASE | input | Base terminal of the NPN Darlington transistor, pin 1 of the TO-220F package, with the internal R1/R2 network shown on the datasheet schematic. |
| 2 | COLLECTOR | passive | Collector terminal of the NPN Darlington transistor, pin 2 of the TO-220F package, rated VCBO 100 V and IC 5 A continuous per the maximum ratings. |
| 3 | EMITTER | passive | Emitter terminal of the NPN Darlington transistor, pin 3 of the TO-220F package, rated VEBO 5 V per the maximum ratings. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Changjing |
| Package | TO-220F |
| Category | Triode/MOS Tube/Transistor |
| Pins | 3 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Collector-emitter breakdown voltage | VCEO(SUS) | 100 | V | IC= 30mA,IB=0 | 2 | ||
| Collector-base breakdown voltage | V(BR)CBO | 100 | V | IC= 1mA,IE=0 | 2 | ||
| Collector cut-off current | ICBO | 0.2 | mA | VCB=100V, IE=0 | 2 | ||
| Collector cut-off current | ICEO | 0.5 | mA | VCE=50 V, IB=0 | 2 | ||
| Emitter cut-off current | IEBO | 2 | mA | VEB=5 V, IC=0 | 2 | ||
| DC current gain | hFE(1) | 1000 | VCE= 3V, IC=0.5A | 2 | |||
| Collector-emitter saturation voltage | VCE(sat) | 2 | V | IC=3A,IB=12mA | 2 | ||
| Collector-emitter saturation voltage | VCE(sat) | 4 | V | IC=5 A,IB=20mA | 2 | ||
| Base-emitter voltage | VBE | 2.5 | V | VCE=3V, IC=3 A | 2 | ||
| Output Capacitance | Cob | 200 | pF | VCB=10V, IE=0,f=0.1MHz | 2 | ||
| Collector-Base Voltage | VCBO | 100 | V | 1 | |||
| Collector-Emitter Voltage | VCEO | 100 | V | 1 | |||
| Emitter-Base Voltage | VEBO | 5 | V | 1 | |||
| Collector Current -Continuous | IC | 5 | A | 1 | |||
| Collector Power Dissipation | PC | 2 | W | 1 | |||
| Operation Junction and Storage Temperature Range | TJ,Tstg | -55 | 150 | ℃ | 1 | ||
| Thermal Resistance, Junction to Ambient | RθJA | 62.5 | ℃/W | 1 | |||
| Thermal Resistance, Junction to Case | RθJC | 1.92 | ℃/W | 1 |
CAD (KiCad official)
- Symbol:
TIP122F - Footprint:
Package_TO_SOT_THT:TO-220F-3_Vertical - 3D model: TO-220F (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Changjing datasheet (4 pp, sha256
e434a3e85c11eb7d, retrieved 2026-10-26, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).