Infineon Technologies TT700N22KOFTIMHPSA1

Overview

TT700N22KOFTIMHPSA1 from Infineon Technologies is a pressure-contact, dual-arm phase-control thyristor module rated for 2200 V repetitive peak off-state voltage (VDRM/VRRM), 700 A average on-state current at TC = 85°C (ITAVM), and 20.4 kA non-repetitive surge current (ITSM). It features electrically insulated AlN baseplate, pre-applied thermal interface material (TIM), and is designed for high-reliability industrial power control in soft starters and UPS rectifiers.

For engineers reviewing the TT700N22KOFTIMHPSA1 datasheet, TT700N22KOFTIMHPSA1 pinout, TT700N22KOFTIMHPSA1 application, or TT700N22KOFTIMHPSA1 equivalent, key selection criteria include junction-to-case thermal resistance (0.046 K/W per arm), critical dv/dt rating (1000 V/µs), gate trigger voltage (≤2.2 V), and pressure-contact construction enabling stable conduction under high di/dt stress in crowbar and static switch circuits.

Technical Context

This dual-thyristor module implements a symmetrical, two-arm configuration with isolated gate terminals per arm and common cathode/anode layout optimized for phase-angle-controlled AC line switching. Its pressure-contact die attachment eliminates wire bonds, delivering robust mechanical stability and low parasitic inductance during 200 A/µs critical di/dt events.

The device operates with a threshold voltage (VT0) of 0.85 V and slope resistance (rT) of 0.35 mΩ at maximum junction temperature, enabling precise conduction loss modeling across 30°–180° conduction angles. Its 3.6 kV insulation test voltage (1 sec) and 19 mm creepage distance support Class I isolation in high-voltage drive systems.

Key Specifications

Pinout & Package

TT700N22KOFTIMHPSA1 uses an industrial-standard pressure-contact module package with insulated AlN baseplate (60 mm × 80 mm footprint), M1 mounting screws (6 Nm torque), and M2 terminal screws (12 Nm torque). Electrical connections are made via three main terminals (A1, K1, A2/K2) and two isolated gate terminals (G1, G2).

Key Features

Applications

Equivalent & Alternatives

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

Compared with TD700N22KOF, TT700N22KOFTIMHPSA1 reduces thermal interface labor and improves mounting consistency; compared with TT900N22KOF, it offers lower cost and smaller footprint where 700 A ITAVM meets design margins without overspec.

Availability

TT700N22KOFTIMHPSA1 is available at Aetrix Electronics and suitable for soft starters, UPS rectifiers, crowbar protection circuits, and static switches requiring stable component supply, long-life thermal reliability, and certified isolation performance.

Supply support for TT700N22KOFTIMHPSA1 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

Infineon Technologies is a German semiconductor manufacturer specializing in power semiconductors, microcontrollers, and sensor solutions for industrial, automotive, and energy systems.

This part belongs to Infineon's High-Power Thyristor Module product line, engineered for ruggedized phase-angle control in mission-critical industrial power conversion where reliability under thermal cycling and electrical stress is paramount.

FAQ

What is the maximum allowable case temperature for continuous operation?

The maximum case temperature (TC) for continuous operation is +85°C, as specified by the ITAVM rating condition. At this temperature, the device delivers its full 700 A average on-state current per arm. Operation above +85°C requires linear derating per the TC = f(ITAVM) curve in the datasheet, down to zero current at +135°C case temperature.

Does TT700N22KOFTIMHPSA1 support asymmetrical firing between arms?

Yes - the module provides fully isolated gate terminals (G1 and G2) with independent trigger thresholds (IGT ≤ 250 mA, VGT ≤ 2.2 V), enabling independent firing control of each arm. This supports asymmetrical conduction patterns required in specialized static VAR compensators and custom phase-shifted rectifier topologies.

How does the pre-applied TIM affect thermal interface reliability?

The factory-applied TIM layer ensures uniform thickness and eliminates air gaps, reducing RthCH to 0.0075 K/W per arm - a 25% improvement over bare-baseplate mounting. It remains stable across the storage temperature range (+5°C to +40°C) and maintains adhesion through thermal cycling, eliminating operator-dependent TIM application variability.

Can this module be used in a B6 six-pulse bridge without external snubbers?

Yes - with its 1000 V/µs critical dv/dt rating and 260 µs turn-off time (tq), the module can operate snubberless in B6 configurations when paired with properly sized AC line reactors (≥2% impedance) and clamped DC bus voltages. However, snubbers are recommended for high-di/dt loads or unfiltered generator-fed inputs.