TZ425N18KOF Infineon - Thyristor Module
Replacement for: Infineon recommends TZ425N18KOF as the replacement for TZ425N12KOF. We also supply the original part.
TZ425N18KOF Description
The TZ425N18KOF from Infineon Technologies is a thyristor module with a 1800 V / 425 A rating. You'll find thyristors like this in soft starters, static switches, DC motor controllers and heater controls. If you are repairing older equipment, we can usually find this exact part, including date codes that are no longer in production.
USComponent (Young & New Century LLC) supplies power modules, thyristors, diodes and other industrial components, including legacy parts. Contact us for a quote on the TZ425N18KOF, and please confirm ratings against the datasheet before ordering.
Summary of Features
TZ425N18KOF is an 1800 V / 425 A thyristor module from Infineon Technologies.
- Pressure contact technology for high reliability
- Advanced Medium Power Technology (AMPT)
- Electrically insulated base plate (50 mm)
- Applications: soft starters, drive rectifiers, crowbar, power controllers, UPS, static/bypass switches
Target Applications
Infineon TZ425N18KOF is used for soft starter, rectifier for drives applications, crowbar applications, power controllers, rectifiers for UPS, battery chargers, static switches and bypass swich.
Key Specifications
TZ425N18KOF is an 1800 V / 425 A thyristor module from Infineon Technologies. Source: manufacturer datasheet (detailed).
| Parameter | Value |
|---|---|
| Manufacturer | Infineon Technologies |
| Product type | Thyristor module (phase control) |
| Configuration | Single thyristor (TZ) |
| Repetitive peak voltage (VDRM, VRRM) | 1800 V (VRSM 1900 V) |
| Average on-state current (ITAVM) | 425 A (TC = 85 °C); 510 A (TC = 74 °C) |
| Maximum RMS on-state current (ITRMSM) | 800 A |
| Surge current (ITSM) | 14500 A (Tvj = 25 °C, tP = 10 ms); 12500 A (Tvj = Tvj max, tP = 10 ms) |
| I²t | 1051000 A²s (Tvj = 25 °C, tP = 10 ms) |
| On-state voltage (vT) | max. 1.50 V (Tvj = Tvj max, iT = 1500 A) |
| Gate trigger current / voltage (IGT / VGT) | max. 250 mA / max. 1.5 V (Tvj = 25 °C, vD = 6 V) |
| Insulation test voltage (VISOL) | 3.0 kV (RMS, 50 Hz, 1 min); 3.6 kV (1 s) |
| Maximum junction temperature (Tvj max) | 125 °C |
| Datasheet | Available on this page (PDF) |
TZ425N18KOF Video
Technical document (PDF) | Request a quote for TZ425N18KOF (reply within 24 hours)
Related Part Numbers
| TZ430N18KOF 1800 (V) / 430(A) | TZ400N18KOF 1800 (V) / 400(A) | TZ425N16KOF 1600V, 800A | TZ375N18KOF 1800(V) / 375(A) |
| TZ500N18KOF 1800V, 500A | TZ425N14KOF 1400V, 425A | TZ600N18KOF 600A / 1800V | TZ425N12KOF 1200V, 425A |
| TZ425N20 2000V, 425A | TZ425N18 1800V, 425A | TZ425N16 1600V, 425A | TZ425N12 1200V, 425A |
| TZ425N08KOF 425A / 800V | TZ425N08 800V, 425A | TZ430N08 800V, 430A | TZ430N12 1200V, 430A |

