Genuine Semikron Danfoss SKKT 57/16 E: a 1600 V / 50 A thyristor module in SEMIPACK 1 housing.
SEMIPACK thyristor modules contain two power semiconductors in an isolated housing; they are used in controlled rectifiers, soft starters, DC drives and AC power controllers.
More Semikron power modules for drive repair: Semikron range.
The SKKT 57/16 E is a 1600 V Thyristor / Diode module and comes as bare module without pre-applied thermal interface material or lid, ideal for custom assembly processes.
Technical data
| Type | SKKT 57/16 E |
|---|---|
| Semikron Danfoss product number | 230B1647 |
| Product line | SEMIPACK |
| Housing | SEMIPACK 1 |
| Technology | Thyristor / Diode |
| Topology | Rectifier |
| Rated current | 50 A |
| Voltage class | 1600 V |
| Surge current | 1250 A |
| Dimensions (L x W x H) | 93x20x30 mm |
| Net weight | 0.095 kg |
| Legacy part number | 07897351 |
| Delivery form | Bare module without pre-applied TIM or lid |
| Product status | In Production |
| Brand | Semikron Danfoss |
| Condition | New, original |
At a glance
- Heat transfer through aluminium oxide ceramic isolated metal baseplate
- Hard soldered joints for high reliability
- UL recognized, file no. E 63 532
Typical applications
- Controlled rectifiers
- Professional light dimming (studios, theaters)
- Temperature control (e. g. for ovens, chemical processes)
- AC motor soft starters
- DC motor control (e. g. for machine tools)
Compatibility and replacement
Order with the complete Semikron type SKKT 57/16 E; 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.
Replacement checklist
- Repetitive voltage class (/12 = 1200 V, /16 = 1600 V)
- Gate wiring and firing board
- Module type (SKKT thyristor/thyristor, SKKH thyristor/diode)
Frequently asked questions
What is the current and voltage rating?
50 A at a voltage class of 1600 V, according to the Semikron Danfoss product data.
Which housing does it use?
SEMIPACK 1, with dimensions of 93x20x30 mm, according to the Semikron Danfoss product data.
What is the topology?
Rectifier (Thyristor / Diode), according to the Semikron Danfoss product data.
What surge current can it handle?
1250 A, according to the Semikron Danfoss product data.
Is the baseplate isolated?
Yes. The module is built with an isolated baseplate, so it can be mounted directly on a heatsink that carries other components; always use thermal paste and the specified mounting torque.
Is it new and original?
Yes. We supply new, original parts in the manufacturer packaging, with a 1-year warranty.
Can I get a price and delivery time?
Prices are quoted on request. Send the order number, quantity and delivery country on WhatsApp and we will reply with price and delivery time; air shipping is usually 5 to 7 days once ready, with a 1-year warranty.
Before you order
Compare the complete order number on the old unit with this page, including the suffix: in most ranges the last characters set the coil voltage, current range or version. If the label is worn, send us a photo and we will identify the part.
Every part RendatSP supplies is new and original, carries a 1-year warranty and ships worldwide by air in 5 to 7 days once ready (shipping, payment and warranty). Send us the order number and quantity on WhatsApp or through the inquiry form and we will quote the same working day. Agents in Saudi Arabia, Iraq, the UAE, Egypt, Oman, Libya, Morocco, Mauritania, Yemen, Algeria and Jordan.





