Infineon Technologies TT92N16KOFHPSA1

Overview

TT92N16KOFHPSA1 from Semikron is a phase-control thyristor module configured as a single-phase, anti-parallel pair (B2 topology) with 1600 V repetitive peak off-state voltage (VDRM/VRRM), 92 A average on-state current (ITAVM) at TC = 85°C, and 160 A RMS on-state current (ITRMSM). It delivers controlled AC power switching in industrial heating, motor speed control, and static VAR compensation systems.

For engineers reviewing the TT92N16KOFHPSA1 datasheet, TT92N16KOFHPSA1 pinout, TT92N16KOFHPSA1 application, or TT92N16KOFHPSA1 equivalent, key selection criteria include its 150 µs commutated turn-off time (tq), 1000 V/µs critical dv/dt rating, 150 A/µs critical di/dt capability, and pressure-contact Si-pellet construction enabling high thermal cycling reliability.

Technical Context

This thyristor module implements forced-commutated phase-angle control in AC line-frequency applications. Its dual-thyristor anti-parallel configuration supports bidirectional conduction without external reverse-blocking components, and it requires gate triggering with ≥0.6 A pulse current and ≤3 µs delay (tgd).

Thermal performance is defined by junction-to-case resistance of 0.185 °C/W per module (180° conduction), and case-to-heatsink resistance of 0.05 °C/W. The AlN ceramic internal isolation enables 2.5 kV RMS insulation test voltage at 50 Hz for 1 minute.

Key Specifications

Pinout & Package

TT92N16KOFHPSA1 uses a press-pack module package with isolated copper baseplate, AlN ceramic insulation, and M1 mechanical mounting (4 Nm torque). Terminals are arranged for B2 bridge configuration: two main power terminals (anode/cathode pair per thyristor) and two isolated gate control terminals.

Key Features

Applications

Equivalent & Alternatives

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

Compared with SKKT 92/16 E, TT92N16KOFHPSA1 offers superior thermal cycling life and higher RMS current handling; versus TT105N16KOFHPSA1, it provides optimal cost-performance balance for standard industrial heating and motor control where peak overloads are infrequent.

Availability

TT92N16KOFHPSA1 is available at Aetrix Electronics and suitable for industrial heating control, AC motor speed regulation, and static VAR compensation requiring stable component supply across multi-year production programs.

Supply support for TT92N16KOFHPSA1 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 power semiconductor manufacturer specializing in high-reliability modules for industrial, energy, and traction applications since 1951.

This part belongs to the TT92N series of press-pack thyristor modules designed specifically for high-power, high-reliability phase-angle control in harsh thermal and electrical environments.

FAQ

What gate drive circuit is required for reliable triggering of TT92N16KOFHPSA1?

TT92N16KOFHPSA1 requires a gate trigger current ≥0.6 A with pulse width ≥20 µs and peak voltage ≤1.4 V (VGT max). A dedicated isolated gate driver with 2 A peak output capability and <3 µs propagation delay ensures robust turn-on under worst-case junction temperature (130°C) and high dv/dt noise.

Can TT92N16KOFHPSA1 be used in a six-pulse (B6) rectifier configuration?

Yes - TT92N16KOFHPSA1 is rated for B6 operation with up to 120 A average current per arm under forced cooling. Its 1600 V VDRM supports 690 VAC line-to-line systems, and the 150 µs tq allows safe commutation in 50/60 Hz applications with adequate overlap angle.

What is the maximum heatsink thermal resistance allowed for continuous 92 A operation at 40°C ambient?

At 40°C ambient and TC = 85°C, the allowable temperature rise is 45°C. With RthJC = 0.185 °C/W and RthCH = 0.05 °C/W, maximum RthHA must be ≤0.422 °C/W to maintain Tvj ≤130°C under full ITAVM load and natural convection.

Does TT92N16KOFHPSA1 require snubber circuits in typical industrial applications?

Snubbers are recommended when operating near the 1000 V/µs (dv/dt)cr limit - e.g., with long cable runs or highly inductive loads. For standard 400 VAC motor drives with short leads, the device's intrinsic dv/dt immunity often eliminates the need for external RC networks.