Industrial Drive & Power Conversion Solution – Semikron SKKT162/16E | SKKT Series
Where This Product Is Used
The Semikron SKKT162/16E is a high-current thyristor/diode module engineered for demanding industrial power electronics applications. Engineers specify this component in:
- AC/DC Motor Drives – Controlled rectifier stages in variable-speed drives (VSDs) for pumps, compressors, fans, and conveyors
- Uninterruptible Power Supplies (UPS) – Front-end rectifier bridges in industrial and data-center UPS systems
- Electrochemical & Electrolytic Processes – Plating lines, anodizing baths, and chlor-alkali plants requiring stable high-current DC
- Welding Equipment – Resistance and arc welding power sources demanding robust SCR switching
- Soft Starters – Phase-angle control circuits for smooth motor starting in heavy industry
- DC Power Supplies – High-power regulated DC supplies for industrial test benches and process equipment
- Crane & Hoist Controls – Regenerative braking and speed control in overhead crane drive systems
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | SKKT162/16E |
| Manufacturer | Semikron |
| Series | SKKT |
| Module Type | Thyristor / Diode (SCR + Diode) |
| Repetitive Peak Off-State Voltage (VDRM) | 1600 V |
| Average On-State Current (IT(AV)) | 162 A |
| Peak One-Cycle Surge Current (ITSM) | 3200 A |
| Gate Trigger Current (IGT) | 150 mA (max) |
| Gate Trigger Voltage (VGT) | 3 V (max) |
| On-State Voltage Drop (VT) | 1.75 V (typ) |
| Operating Junction Temperature (Tj) | -40°C to +125°C |
| Thermal Resistance (Rth(j-c)) | 0.19 K/W (SCR), 0.19 K/W (Diode) |
| Mounting | Base plate, M6 screw terminals |
| Package | SEMIPONT / SEMIPACK style dual-in-line |
| Weight | ~200 g |
| Cooling | Heatsink required (base-plate mounted) |
Why Engineers Specify This Model
- High Voltage Headroom: 1600 V VDRM rating provides robust margin against line transients in 690 V AC systems
- Proven SKKT Platform: Semikron’s SKKT series is an industry benchmark for reliability in controlled rectifier bridges worldwide
- Compact Dual-Package: Integrates one SCR and one diode in a single module, reducing board space and assembly time versus discrete components
- Low Thermal Resistance: 0.19 K/W Rth(j-c) enables full-rated operation with standard forced-air or liquid-cooled heatsinks
- Drop-In Replacement: Pin-compatible with equivalent SKKT-series modules, simplifying MRO and field replacement
- Wide Temperature Range: Qualified from -40°C to +125°C junction temperature for harsh industrial environments
Complete System Bill of Materials
For a complete three-phase controlled rectifier bridge using SKKT162/16E modules, a typical BOM includes:
- 3× Semikron SKKT162/16E (or 6× for full-wave bridge)
- Semikron SKT or SKKD snubber/freewheeling diode modules
- Semikron SKHI or equivalent gate driver board
- Semikron P3 or equivalent heatsink assembly
- AC line fuses (semiconductor-grade, e.g., Bussmann 170M series)
- RC snubber networks (per manufacturer application note)
- Thermal interface material (e.g., Semikron SKin or equivalent)
Compliance & Industry Standards
- Designed and tested to IEC 60747-6 (Thyristors) and IEC 60747-2 (Diodes)
- RoHS compliant (EU Directive 2011/65/EU)
- CE marking applicable for end-equipment integration
- Manufactured under ISO 9001 certified quality management system
- Suitable for use in equipment conforming to UL 508C (Power Conversion Equipment)
Quality Assurance & Sourcing
Konmask.com sources the SKKT162/16E through verified industrial distribution channels. Every unit is:
- Inspected for authentic Semikron date codes and laser markings
- Tested for gate trigger and blocking voltage parameters prior to dispatch
- Packaged in anti-static, moisture-barrier packaging with desiccant
- Traceable to batch documentation upon request for MRO and OEM customers
How to Source This Part
Add to cart directly for in-stock units. For bulk orders (10+ units), OEM procurement, or urgent project requirements, contact our technical sales team:
- 📧 support@konmask.com
- 📞 +0086 19859288691
- Lead time: typically 3–7 business days for standard stock; expedited options available
Application-Specific FAQ
Q: Can the SKKT162/16E be used in a three-phase fully controlled bridge rectifier?
A: Yes. Six modules configured in a three-phase bridge topology deliver smooth DC output suitable for DC motor drives and electrochemical processes.
Q: What heatsink is recommended for full 162 A operation?
A: Semikron recommends a heatsink with thermal resistance ≤0.05 K/W for continuous full-load operation. Forced-air cooling is typically required above 100 A average current.
Q: Is this module suitable for 690 V AC mains?
A: Yes. The 1600 V VDRM rating provides adequate margin for 690 V AC (peak ~975 V) with transient overvoltage protection in place.
Q: What is the direct replacement or equivalent part?
A: The SKKT162/16E is functionally equivalent to SKKT162/16 (earlier suffix) and cross-references to comparable modules from Vishay, Infineon (formerly Eupec), and ABB in the same current/voltage class.
Q: Do you provide a datasheet?
A: Yes. Contact us at support@konmask.com to request the official Semikron SKKT162/16E datasheet and application notes.
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