Infineon TD162N16KOF 5DN | Robust 1600V Thyristor/Diode Module for Phase Control Applications
The Infineon TD162N16KOF 5DN is a high-reliability thyristor/diode module engineered for demanding power control applications. It combines a 1600V blocking voltage with a 162A average current rating in a standard industrial package, delivering a proven, cost-effective solution for line-frequency power conversion and control. This module is not designed for high-frequency switching but excels in applications where ruggedness and precise phase angle control are paramount.
Core Features and Engineering Advantages
- High Voltage Headroom: With a 1600V repetitive peak reverse voltage (V_RRM), this module provides a substantial safety margin for systems connected to volatile 380V/480V industrial grids, ensuring resilience against common line transients.
- Proven Thyristor/Diode Topology: The phase-control configuration is optimized for building efficient and reliable controlled rectifiers and AC voltage controllers with minimal external components.
- Robust Mechanical Design: Housed in a standard industrial package with an isolated baseplate and screw terminals, the TD162N16KOF 5DN simplifies assembly, ensures excellent thermal transfer to a heatsink, and withstands mechanical vibration.
- Optimized for Line Frequency: Engineered specifically for 50/60 Hz operation, its characteristics are tailored to minimize conduction losses in applications like motor soft starters and static VAR compensators.
Key Parameter Overview
The following table provides a snapshot of the critical electrical and thermal parameters for the TD162N16KOF 5DN. For comprehensive design information, including characteristic curves and detailed thermal models, please consult the official product datasheet.
| Parameter | Value |
|---|---|
| Repetitive Peak Off-State Voltage (V_DRM / V_RRM) | 1600 V |
| Average On-State Current (I_TAV) @ T_C = 85°C | 162 A |
| RMS On-State Current (I_TRMS) | 255 A |
| Surge Current (I_TSM) @ 50Hz, 10ms | 4300 A |
| Gate Trigger Current (I_GT) @ T_vj = 25°C | 150 mA |
| Thermal Resistance, Junction to Case (R_thJC) | 0.17 K/W (per thyristor) |
| Operating Junction Temperature (T_vj op) | -40 to 125 °C |
Application Scenarios & Engineering Value
The unique characteristics of the Infineon TD162N16KOF 5DN make it a first-choice component for specific industrial power systems, delivering reliability where modern high-frequency devices may be unnecessarily complex or costly.
- Motor Soft Starters: By precisely controlling the firing angle of the thyristors, this module gradually ramps up the voltage applied to large AC induction motors. This action drastically reduces mechanical shock on gearboxes and belts and limits inrush current, preventing voltage sag on the local grid.
- Controlled Bridge Rectifiers: For applications like DC motor drives, battery chargers, and magnet power supplies, the TD162N16KOF 5DN can be used to build half-controlled or fully-controlled bridge rectifiers. This allows for the regulation of the output DC voltage directly from the AC source, creating a highly robust power conversion stage.
- AC Voltage Controllers & Static Switches: In systems for industrial heating, lighting control, or power factor correction, this module acts as a reliable static AC switch. Its high surge current capability ensures survival during fault conditions, a critical advantage over less robust semiconductor solutions.
Understanding the fundamental differences between various power semiconductors is key to optimal system design. Unlike modern IGBT modules designed for high-frequency PWM, this thyristor module offers superior ruggedness and simplicity in line-frequency phase control circuits.
Frequently Asked Questions (FAQ)
Can the TD162N16KOF 5DN be used for a PWM inverter?
No. This is a phase-control thyristor, which is a latching device. Once triggered, it remains on until the current flowing through it falls below its holding current (typically at an AC zero-crossing). It cannot be turned off by a gate signal like an IGBT, making it unsuitable for the high-frequency switching required in PWM inverters for applications like robotic servo drives.
What is the main benefit of using a module over discrete thyristors?
Using a module like the TD162N16KOF 5DN offers significant advantages. First, the internal components are electrically isolated from the baseplate, simplifying thermal management and allowing multiple modules to be mounted on a single heatsink. Second, it reduces assembly time and complexity by minimizing wiring. Third, the well-defined thermal resistance from junction to case, guaranteed by a top-tier manufacturer like Infineon, ensures predictable and reliable thermal performance.
For help selecting the right power module for your specific design constraints, or to inquire about the TD162N16KOF 5DN, please contact our technical team for expert support.
