Specs side by side
2 parts compared · 14 differing specs across 14 total parameters.
| Parameter | ||
|---|---|---|
| Supply voltage | 1200V class as marked; verify by curve trace or an in-circuit thermal check before batch fitting. | - |
| Memory & Peripherals | The clone-era failure story in one line: hotter saturation, hotter heatsink, shorter life - the false economics of the two-dollar difference. | - |
| Case | TO-3P / TO-247 as marked | TO-3P (EIAJ SC-65) / TO-247 |
| Compatibility Level | Functional Equivalent | - |
| Component Category | - | IGBTs (Discrete) |
| Core & Architecture | The unbranded 25N120 that fills repair channels: usually functional, frequently with saturation voltage above 2.6V against the 2.0V-class genuine die - the difference shows up as heat in continuous duty. | - |
| Firmware Notes | Where market-grade parts are acceptable (prototype, low duty), test each lot; where the repair must not come back, verified branded stock with photos is the cheaper part. | - |
| Hardware Notes | TO-3P/TO-247 as marked; inspect the die pad and marking under magnification on receipt. | - |
| Lead Time Advantage | Shenzhen Spot Stock (24-48h Dispatch) | - |
| Market Reality | - | The 25N120 is the 1200V, 25A IGBT that anchors the power stage of welder inverters, induction heating boards and inverter supplies: a TO-3P body (the onsemi FGA25N120ANTD) or a TO-247 body (the Infineon IKW25N120), gate-collector-emitter in one shared order, a free-wheel diode co-packed, and a market full of mystery-grade 25N120 clones whose saturation voltage gives them away. The onsemi datasheet now carries a discontinued marking, which quietly moves this staple toward last-time-buy sourcing - and that is where verified, photographed stock becomes the difference between a repair and a comeback. |
| Reference Part | FGA25N120 | - |
| Role In Circuit | - | Original Reference Part |
| Sourcing Advantage | We quote both lanes honestly: verified branded stock, or market grade with the tests stated up front. | - |
| Sourcing Status | - | Active Shenzhen Spot Sourcing (24–48h) |
Parts
- 25N120 (market grade) ·
- FGA25N120 · onsemi