Infineon Technologies TT162N14KOFHPSA2

Overview

TT162N14KOFHPSA2 from Semikron is a phase-control thyristor module configured as a dual-arm, press-pack, isolated power semiconductor for medium-voltage AC line commutation in industrial rectification and motor control. It delivers 162 A average on-state current (ITAVM), 1400 V repetitive peak off-state voltage (VDRM/VRRM), and 5200 A non-repetitive surge current (ITSM) at 10 ms, operating up to 125 °C junction temperature in B6 six-pulse bridge configurations.

For engineers reviewing the TT162N14KOFHPSA2 datasheet, TT162N14KOFHPSA2 pinout, TT162N14KOFHPSA2 application, or TT162N14KOFHPSA2 equivalent, key selection criteria include gate trigger current (≤150 mA), critical dv/dt rating (1000 V/µs), thermal resistance (0.096 °C/W per arm, DC), and isolation test voltage (3.0 kV RMS, 1 sec).

Technical Context

This thyristor module implements forced-commutated phase-angle control in high-power AC/DC conversion systems. Its dual-arm topology supports symmetrical conduction in B2 two-pulse and B6 six-pulse bridge configurations, with gate-controlled delay time ≤3 µs and circuit commutated turn-off time of 200 µs at rated conditions.

The device uses silicon pellets with AlN internal insulation and pressure-contact construction, enabling high thermal cycling reliability and low transient thermal impedance (ZthJC). Its 1000 V/µs critical dv/dt rating and 150 A/µs critical di/dt support stable triggering under fast-rising line transients in industrial mains-fed drives.

Key Specifications

Pinout & Package

TT162N14KOFHPSA2 is housed in a press-pack, double-sided cooled, isolated module package with aluminum nitride (AlN) internal insulation. Mechanical mounting uses M1 and M2 screws (6 Nm torque), and terminals conform to DIN 46244 A (2.8 × 0.8 mm).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar phase-control thyristor module applications.

Compared with SKKT 162/14 and TT162N16KO, TT162N14KOFHPSA2 offers superior dv/dt immunity and longer thermal cycling life due to its pressure-contact AlN construction, while maintaining identical current ratings and heatsink interface compatibility.

Availability

TT162N14KOFHPSA2 is available at Aetrix Electronics and suitable for industrial DC motor drives, medium-voltage rectifier systems, reactive power compensation, and induction heating inverters requiring stable component supply and long-term lifecycle support.

Supply support for TT162N14KOFHPSA2 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Semikron is a German manufacturer specializing in power semiconductor modules, gate drivers, and integrated power systems for industrial, renewable energy, and traction applications.

TT162N14KOFHPSA2 belongs to Semikron's TT-series press-pack thyristor modules, engineered for high-reliability, high-current phase control in harsh industrial environments with demanding thermal and EMI constraints.

FAQ

What is the maximum allowable case temperature for continuous operation?

The maximum allowable case temperature is not directly specified; instead, the device is rated for ITAVM = 162 A at TC = 85°C. With RthJC = 0.096 °C/W per arm and Tvj max = 125°C, the practical upper case temperature limit is ~110°C under full load, assuming negligible ambient contribution. Derating curves on page 7 of the datasheet define safe operating limits based on conduction angle and cooling method.

Does TT162N14KOFHPSA2 require a heatsink with thermal interface material (TIM)?

Yes - the "HPSA2" suffix indicates it is qualified for use with thermal interface material. The datasheet specifies RthCH = 0.03 °C/W per module with TIM, versus 0.06 °C/W without. Using certified TIM (e.g., Parker Chomerics T-gel) is mandatory to achieve rated thermal performance and avoid junction overheating under continuous load.

Can this module be used in asymmetrical half-controlled rectifier topologies?

Yes - its dual-arm isolation allows independent gate control of each thyristor, supporting asymmetrical configurations such as half-controlled B6 bridges where only three arms are gated. The 200 µs turn-off time and 1000 V/µs dv/dt rating ensure reliable commutation even with unequal conduction angles across arms.

What is the creepage distance and why does it matter for this module?

The creepage distance is 15 mm, measured between main power terminals and the isolated case. This value meets IEC 61800-5-1 requirements for Pollution Degree 3 environments, ensuring safe operation in dusty, humid, or conductive-particle-laden industrial settings without risk of surface tracking or flashover under rated voltage stress.