Infineon Technologies TT162N12KOFKHPSA1

Overview

TT162N12KOFKHPSA1 from Semikron is a phase-control thyristor module with dual anti-parallel SCR configuration, rated for 1200 V repetitive peak off-state voltage (V_DRM/V_RRM), 162 A average on-state current (I_TAVM) at T_C = 85°C, and 260 A RMS on-state current (I_TRMSM). It operates in industrial AC power control applications including motor speed regulation and heating control circuits.

For engineers reviewing the TT162N12KOFKHPSA1 datasheet, TT162N12KOFKHPSA1 pinout, TT162N12KOFKHPSA1 application, or TT162N12KOFKHPSA1 equivalent, key selection criteria include verified gate trigger current (I_GT ≤ 150 mA), critical dv/dt rating (500 V/µs), junction-to-case thermal resistance (0.096 °C/W per arm), and isolation test voltage (2.5 kV RMS).

Technical Context

This thyristor module implements a pressure-contact silicon die architecture with aluminum nitride (AlN) internal insulation, enabling high-current commutation in phase-controlled rectifier topologies. Its dual-arm structure supports B2 two-pulse and B6 six-pulse bridge configurations with validated turn-off time (t_q = 200 µs typ.) under specified commutation conditions.

The device uses DC-rated thermal impedance modeling (Z_thJC) with analytical transient elements for precise thermal design, and specifies distinct R_thCH values (0.03 °C/W per module) to support heatsink interface optimization in natural or forced-air cooling systems.

Key Specifications

Pinout & Package

TT162N12KOFKHPSA1 is housed in a press-pack module package with isolated copper baseplate, featuring three main terminals per arm (anode, cathode, gate) and mechanical mounting holes compliant with DIN 46244 A standard (2.8 × 0.8 mm control terminals). The module uses pressure-contact Si dies and AlN ceramic isolation.

Key Features

Applications

Equivalent & Alternatives

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

Compared with SKKT 106/12 E and TT172N12KOF, TT162N12KOFKHPSA1 offers optimal balance of current rating, thermal performance, and gate drive robustness for 40–50 kW industrial phase-control systems, with verified 200 µs turn-off time enabling reliable B6 operation where faster switching is not required.

Availability

TT162N12KOFKHPSA1 is available at Aetrix Electronics and suitable for industrial motor speed control, resistive heating regulation, DC power supply rectification, and reactive power compensation requiring stable component supply across multi-year production cycles.

Supply support for TT162N12KOFKHPSA1 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, known for high-reliability solutions in industrial drives, renewable energy, and traction systems.

This part belongs to the TT162N series of phase-control thyristor modules designed specifically for high-power AC line commutated applications requiring precise firing-angle control, robust thermal performance, and long-term stability under cyclic thermal stress.

FAQ

What is the maximum junction temperature and how is it enforced?

The maximum junction temperature (T_{vj max}) is 125°C, strictly enforced through thermal design using the specified R_thJC = 0.096 °C/W per arm and R_thCH = 0.03 °C/W. Engineers must calculate actual T_vj = T_C + (P_loss × R_thJC) using measured case temperature and on-state loss derived from I_TAVM and v_T = 1.41 V. Exceeding 125°C voids reliability guarantees.

Can TT162N12KOFKHPSA1 be used in parallel configurations?

No-this module is not designed for parallel operation. Its pressure-contact die architecture lacks inherent current-sharing features like emitter ballasting or matched dynamic parameters. Parallel use would cause thermal runaway due to parameter spread in v_T and (di/dt)_cr. For higher current, use the TT172N12KOF variant or multi-module B6 layouts with independent gate drives.

What gate drive requirements ensure reliable triggering?

A minimum gate trigger current of 150 mA (I_GT) at ≤2 V (V_GT) must be delivered within 3 µs (t_gd) using a low-impedance source (<1 Ω). Gate pulses require ≥20 µs width and ≥0.6 A/µs di_G/dt to avoid misfiring. Non-trigger specs (I_GD ≤ 10 mA, V_GD ≤ 0.25 V) mandate noise-filtered gate traces in noisy environments.

How does the AlN isolation affect mounting and safety compliance?

The aluminum nitride (AlN) internal insulation enables 2.5 kV RMS isolation and 15 mm creepage distance, satisfying IEC 61800-5-1 reinforced insulation requirements. Mounting torque must be 6 Nm ±15% on M1 bolts to maintain uniform pressure across the AlN barrier; under-torque risks partial discharge, over-torque may fracture the ceramic. No external insulating pads are needed if heatsink meets pollution degree 2.