SEMIKRON SKKD100/16 | Robust 1600V Rectifier Diode for Demanding Industrial Applications
The SEMIKRON SKKD100/16 is a high-reliability rectifier diode module designed as a workhorse for industrial power conversion. Housed in the industry-proven SEMIPACK® 1 package, this module provides a robust and efficient solution for line-frequency rectification, delivering consistent performance in applications such as uninterruptible power supplies (UPS), battery chargers, and welding equipment. Its design prioritizes long-term stability and ease of integration, making it a go-to component for engineers seeking to build dependable power systems.
Technical Deep Dive: Engineered for Uncompromised Reliability
The superior performance of the SEMIKRON SKKD100/16 stems from its core engineering principles, focused on durability and electrical stability.
- Hard Solder & Glass-Passivated Diode Chips: At the heart of the module are glass-passivated diode chips. This process creates a hermetically sealed, stable junction that is highly resistant to environmental contaminants and electrical stress. Combined with hard soldering technology, it results in exceptional thermal cycling capability and a significantly extended operational lifespan, directly addressing the common failure points seen in less robust designs.
- Thermally Optimized SEMIPACK® Package: The module utilizes an aluminum oxide (Al₂O₃) ceramic isolated baseplate. This provides excellent electrical insulation (3000V~) while ensuring efficient heat transfer to the heatsink. This design simplifies thermal management, reduces system assembly complexity, and maintains lower operating temperatures, which is critical for reliability in high-current industrial automation environments.
Application-Specific Advantages of the SKKD100/16 Module
The SEMIKRON SKKD100/16 isn't just a component; it's a solution tailored to overcome specific industry challenges.
- Industrial Battery Chargers: For forklift or large-scale battery charging systems, the module's 100A current rating and robust thermal design handle the high, continuous currents required. Its high voltage headroom (1600V) provides a crucial safety margin against line voltage fluctuations, ensuring reliable charging cycles.
- Welding Equipment: In the input rectifier stage of welding power sources, the SKKD100/16 excels. It withstands the demanding current pulses and harsh electrical environment inherent to welding processes, providing the stable DC rail needed for precise arc control.
- Uninterruptible Power Supplies (UPS): Reliability is non-negotiable in a UPS. The SKKD100/16's proven design and long-life characteristics ensure the input rectifier stage operates flawlessly, providing clean, rectified power to the inverter and battery charger, thus safeguarding critical loads.
- General Purpose Power Rectification: As a versatile input rectifier for motor drives and industrial power supplies, its standard footprint and screw terminals allow for rapid and secure integration, reducing assembly time and maintenance complexity.
Key Technical Specifications at a Glance
| Parameter | Value |
|---|---|
| Repetitive Peak Reverse Voltage (VRRM) | 1600 V |
| Average Forward Current (IFAV) | 100 A (per diode, Tcase = 85°C) |
| Package Type | SEMIPACK® 1 |
| Isolation Voltage (VISOL) | 3000 V~ (2500 V~) |
| Forward Voltage (VF) at 100A, Tj=25°C | Typ. 1.05 V |
For a complete list of electrical and thermal characteristics, please refer to the official SKKD100/16 Datasheet.
FAQ / Common Questions
- What is the main difference between the SKKD and SKN series from SEMIKRON?
The SKKD100/16 is a standard recovery (rectifier) diode, optimized for low-frequency (50/60Hz) applications like input rectifiers. SKN series diodes are typically fast recovery diodes, designed for high-frequency applications like output stages of switching power supplies or freewheeling diodes in chopper circuits where fast switching is essential to minimize losses. - Is this module suitable for a 3-phase bridge rectifier?
Yes, three SKKD100/16 modules can be easily configured to create a powerful and robust three-phase full-bridge rectifier (B6C configuration) capable of handling significant power levels in industrial systems.
For applications requiring different voltage ratings, faster switching speeds, or integrated IGBT solutions, we invite you to explore more IGBT modules in our portfolio. If the robust and reliable SEMIKRON SKKD100/16 aligns with your power rectification needs, please contact us for a quote or technical consultation.
