Infineon Technologies TT162N16KOFHPSA2

Overview

TT162N16KOFHPSA2 from Semikron is a phase-control thyristor module with dual anti-parallel SCR configuration, rated for 1600 V repetitive peak off-state voltage (VDRM/VRRM), 162 A average on-state current (ITAVM) at TC = 85°C, and 260 A RMS on-state current (ITRMSM). It delivers 1.41 V maximum on-state voltage at 500 A and 125°C junction temperature, and is engineered for industrial AC power control in medium-power rectification and motor speed regulation.

For engineers reviewing the TT162N16KOFHPSA2 datasheet, TT162N16KOFHPSA2 pinout, TT162N16KOFHPSA2 application, or TT162N16KOFHPSA2 equivalent, key selection criteria include critical dv/dt rating (1000 V/µs), gate trigger current (≤150 mA), thermal resistance (0.096 °C/W junction-to-case per arm), and forced-cooling-compatible TIM-integrated mounting.

Technical Context

This dual SCR module implements pressure-contact silicon pellet construction with aluminum nitride (AlN) internal insulation, enabling high-reliability commutation in line-commutated AC applications. Its 200 µs typical turn-off time (tq) and 150 A/µs critical di/dt support stable operation in B2 and B6 bridge configurations under 50 Hz mains conditions.

The module features symmetric anti-parallel switching arms, each with independent gate terminals and shared cathode/anode baseplates. Thermal design relies on validated transient impedance models (ZthJC) and supports both natural and forced cooling-e.g., KM17 heatsink with Papst 4650N fan achieves 0.515 °C/W case-to-ambient resistance.

Key Specifications

Pinout & Package

TT162N16KOFHPSA2 is housed in a press-fit, insulated dual-arm module with copper baseplate and AlN ceramic isolation. Mechanical terminals follow DIN 46244 A standard (2.8 × 0.8 mm flat contacts); mounting torque is 6 Nm ±15% for mechanical fasteners and 6 Nm ±10% for electrical terminals.

Key Features

Applications

Equivalent & Alternatives

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

Compared with SKKT 162/16 E and MDA162-16N1, TT162N16KOFHPSA2 offers optimal balance of high dv/dt immunity, TIM-optimized thermal interface, and standardized DIN 46244 A terminals-making it ideal for retrofit and volume OEM designs where mechanical and thermal interoperability are critical.

Availability

TT162N16KOFHPSA2 is available at Aetrix Electronics and suitable for industrial motor drives, DC power supplies, heating control systems, and welding equipment requiring stable component supply across multi-year production cycles.

Supply support for TT162N16KOFHPSA2 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, renewable energy, and traction applications.

This part belongs to Semikron's TT-series phase-control thyristor modules, designed specifically for ruggedized AC power conversion in harsh industrial environments where long service life and thermal stability are mandatory.

FAQ

What is the maximum allowable junction temperature for TT162N16KOFHPSA2?

The maximum junction temperature (Tvj max) is 125°C, as specified in the datasheet's thermal properties table. Operation beyond this limit risks irreversible degradation of the silicon pellet and AlN insulation. Derating curves on page 7 confirm that case temperature must remain ≤85°C at full ITAVM to maintain junction safety under DC or sinusoidal conduction.

Does TT162N16KOFHPSA2 require a heatsink? If so, what thermal resistance is recommended?

Yes, active thermal management is mandatory. For forced-air cooling with the KM17 heatsink and Papst 4650N fan, the validated case-to-ambient resistance is 0.515 °C/W. To maintain Tvj ≤125°C at ITAVM = 162 A, total thermal resistance (RthJC + RthCH + RthHA) must not exceed 0.25 °C/W-requiring RthHA ≤0.155 °C/W under those conditions.

Can TT162N16KOFHPSA2 be used in a single-phase full-wave bridge configuration?

Yes-it is explicitly configured for anti-parallel dual-arm operation, making it suitable for single-phase full-wave (B2) rectification. The datasheet's page 8 graph confirms ID ratings up to 350 A in B2 mode with RthCA = 0.03 °C/W, provided gate signals are independently controlled with proper dead-time sequencing to avoid shoot-through.

What is the gate trigger voltage requirement, and is negative gate bias needed?

The maximum gate trigger voltage (VGT) is 2 V at 25°C and 6 V anode-cathode voltage. No negative gate bias is required or specified; however, the datasheet mandates gate non-trigger voltage (VGD) ≤0.25 V at 0.5×VDRM to prevent spurious turn-on, so gate drivers must ensure fast, low-impedance discharge paths during off-state.