SEMIKRON SKD 145/16 1600V, 140A Three Phase Bridge Rectifier Module
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SKD 145/16 Three-Phase Bridge Rectifier — SEMIKRON (Danfoss)
The SKD 145/16 is a three-phase bridge rectifier module from SEMIKRON / Danfoss, built for industrial power-electronics applications that require reliable AC→DC conversion. It supports a maximum reverse voltage of 1.6 kV and a continuous load current rating of 140 A, making it suitable for input rectifiers in variable-frequency drives, DC motor field supplies, power supplies, and other heavy-duty systems.
The module features a compact SEMIPONT-5 housing with screw mounting and a low forward voltage drop to minimise conduction losses under sustained load. Its insulated case and good thermal transfer characteristics simplify PCB or plate mounting while helping manage heat in high-current applications. The SKD 145/16 also supports high surge currents (short-time forward impulse capability), making it tolerant of inrush and transient events commonly seen in industrial systems.
Designed for durability and ease of integration, the SKD 145/16 is UL-recognized and manufactured to SEMIKRON quality standards. It is widely stocked by authorized distributors and used by OEMs and service engineers as a replacement or for new designs where robust three-phase rectification is needed. Check the datasheet for absolute maximum ratings, thermal resistances, and mounting/dimension details before final design or replacement.
Key Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | SEMIKRON / Danfoss. |
| Part Number | SKD 145/16 (also listed as SKD145/16, Semikron PN 07908620). |
| Device Type | Three-phase bridge rectifier (SEMIPONT-5 housing). |
| Maximum Repetitive Reverse Voltage (V_RRM) | 1600 V (1.6 kV). |
| Load Current (I_O) | 140 A (continuous). |
| Max. Forward Impulse Current (IFSM) | ~1.7 kA (short-pulse surge capability) — see datasheet. |
| Max. Forward Voltage (per diode) | ~1.3 V (typical forward drop — check datasheet for curves). |
| Package / Mounting | SEMIPONT-5; screw mounting; press-in PCB leads. |
| Operating Temperature / Thermal Notes | Refer to datasheet for thermal resistance and mounting recommendations. |
| Standards / Recognition | UL-recognized (file info listed by manufacturer/distributors). |
| Typical Applications | Variable-frequency drive input rectifiers, DC motor supplies, power supplies, industrial rectification. |
For more detailed information, please refer to the official SEMIKRON / Danfoss SKD 145 datasheet (PDF)
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