Genuine Semikron Danfoss SKM450GB12E4: a 1200 V / 450 A IGBT module in SEMITRANS 3 housing.
IGBT modules are the power switches of inverter drives, UPS systems, welders and converters: they switch the DC-link voltage to build the motor or output current, so a failed module is one of the most common causes of a drive fault.
More Semikron power modules for drive repair: Semikron range.
The SKM450GB12E4 is a 1200 V IGBT module and comes as bare module without pre-applied thermal interface material or lid, ideal for custom assembly processes.
Technical data
| Type | SKM450GB12E4 |
|---|---|
| Semikron Danfoss product number | 22892090 |
| Product line | SEMITRANS |
| Housing | SEMITRANS 3 |
| Technology | IGBT |
| Topology | Half-Bridge |
| Rated current | 450 A |
| Voltage class | 1200 V |
| Chip technology | IGBT 4 (Trench) |
| Dimensions (L x W x H) | 106x62x31 mm |
| Net weight | 0.31 kg |
| Delivery form | Bare module without pre-applied TIM or lid |
| Product status | In Production |
| Brand | Semikron Danfoss |
| Condition | New, original |
Features (per Semikron Danfoss)
- IGBT4: 4th generation medium fast trench IGBT
- CAL4: Soft switching 4th generation CAL-diode
- Insulated copper baseplate using DBC technology (Direct Bonded Copper)
- Increased power cycling capability
- With integrated gate resistor
- For higher switching frequencies up to 12kHz
- UL recognized, file no. E63532
Typical applications
- Welding power sources
- Repair of drives using the same module
- UPS
- Solar and wind converters
- AC inverter drives
Compatibility and replacement
Order with the complete Semikron type SKM450GB12E4; in Semikron type codes the digits and letters set the current, voltage class, topology and chip generation, so a module with a similar number may not be a direct replacement.
If the marking of the old module is burnt or unreadable, send us a photo and the drive model and we will confirm the correct Semikron type before quoting.
What to check first
- Topology (half-bridge, chopper, sixpack)
- Gate driver compatibility and thermal paste / mounting torque
- Housing (SEMITRANS 2/3, SEMiX) and terminal layout
Frequently asked questions
What is the topology?
Half-Bridge (IGBT), according to the Semikron Danfoss product data.
Which housing does it use?
SEMITRANS 3, with dimensions of 106x62x31 mm, according to the Semikron Danfoss product data.
Which chip technology is used?
IGBT 4 (Trench), according to the Semikron Danfoss product data.
What is the current and voltage rating?
450 A at a voltage class of 1200 V, according to the Semikron Danfoss product data.
Should the gate driver be checked when the module failed?
Yes. A failed IGBT often damages the gate driver as well; check the driver, the DC-link capacitors and the thermal paste before fitting the new module.
Can you help me identify the right replacement?
Yes. Send us a photo of the label of the old part, or its full order code, and we will confirm the exact match or the official successor before quoting.
How fast can you deliver, and is there a warranty?
Air shipping usually takes 5 to 7 days once the part is ready, to almost any country. Each part is new and original with a 1-year warranty. Message us on WhatsApp with the order number for a quotation.
Ordering tips
Send us the full order number from the label of the old part, or a clear photo of the label, together with the quantity you need. We check the number against the current manufacturer data before we quote and tell you if there is a newer replacement.
RendatSP ships from Yiwu, China, to factories worldwide; air delivery usually takes 5 to 7 days once the part is ready. The part is new and original with a 1-year warranty (shipping, payment and warranty). For a quotation, message us on WhatsApp with the order number and quantity. We also have agents in Saudi Arabia, Iraq, the UAE, Egypt, Oman, Libya, Morocco, Mauritania, Yemen, Algeria and Jordan.
