Infineon Technologies ETT630N18P60HPSA1

Overview

ETT630N18P60HPSA1 from Infineon Technologies is a pressure-contact, double-sided cooled phase-control thyristor module rated for 1800 V repetitive peak off-state voltage (VDRM/VRRM), 628 A average on-state current at TC = 85°C (ITAVM), and 20 kA non-repetitive surge current (ITSM). It features electrically insulated baseplate, AMPT construction, and is designed for high-reliability industrial power control in soft starters and static switches.

For engineers reviewing the ETT630N18P60HPSA1 datasheet, ETT630N18P60HPSA1 pinout, ETT630N18P60HPSA1 application, or ETT630N18P60HPSA1 equivalent, key selection criteria include junction-to-case thermal resistance (0.0575 K/W), threshold voltage (0.8 V), slope resistance (0.341 mΩ), gate trigger current (≤250 mA), and critical dv/dt rating (1000 V/µs).

Technical Context

This thyristor module implements a dual-arm, phase-controlled rectifier topology with pressure-contact silicon die for low parasitic inductance and high thermal cycling endurance. Its 1800 V blocking capability and 20 kA surge rating support robust operation in line-commutated AC-DC conversion under short-circuit and crowbar conditions.

The device uses Advanced Medium Power Technology (AMPT) with aluminum nitride (AlN) internal insulation and operates across -40°C to +135°C junction temperature range. Gate triggering is optimized for 12 V anode-cathode voltage and 1 A gate pulse, with typical turn-off time of 270 µs under specified commutation conditions.

Key Specifications

Pinout & Package

ETT630N18P60HPSA1 is housed in an industrial-standard, double-sided cooled module with 60 mm baseplate and electrically insulated AlN substrate. Mechanical mounting uses M1 screws (6 Nm torque); electrical terminals use M2 screws (12 Nm torque). Control 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 applications.

Compared with eTD630N18P60 and TT630N18KOF, ETT630N18P60HPSA1 provides superior thermal performance (0.0575 K/W), built-in baseplate isolation, and full 1800 V blocking-making it optimal for space-constrained, high-reliability soft starters and UPS rectifiers requiring minimal external components.

Availability

ETT630N18P60HPSA1 is available at Aetrix Electronics and suitable for soft starters, static switches, crowbar protection circuits, and UPS rectifiers requiring stable component supply across industrial OEM production cycles.

Supply support for ETT630N18P60HPSA1 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 electronics, automotive ICs, and security solutions, with global manufacturing and R&D infrastructure.

This part belongs to Infineon's eTT series of high-power thyristor modules, engineered specifically for industrial phase-control applications demanding high surge robustness, low conduction loss, and long-term reliability under thermal cycling.

FAQ

What is the maximum allowable junction temperature for ETT630N18P60HPSA1?

The maximum junction temperature (Tvj max) is 135°C, validated per IEC 60747-6. Operation beyond this limit risks irreversible degradation of the pressure-contact silicon interface and AlN insulation. Thermal design must ensure junction temperature remains below 135°C under worst-case ambient, load, and cooling conditions.

Does ETT630N18P60HPSA1 require forced air or liquid cooling?

No mandatory forced cooling is required, but thermal solution must achieve ≤0.0575 K/W total thermal resistance from junction to ambient. Natural convection may suffice only at very low ITAVM (<150 A); most applications at 628 A ITAVM require finned heatsinks with ≥1 m/s airflow or cold-plate liquid cooling.

Can ETT630N18P60HPSA1 be used in anti-parallel configuration for AC switching?

Yes-its dual-arm structure supports anti-parallel connection for AC phase control. Each arm (A1/K2 and K1/A2) handles one polarity; gate signals must be synchronized with AC zero-crossing and isolated using pulse transformers or optocouplers rated for ≥3.6 kV isolation.

What is the recommended gate drive circuit for reliable triggering?

A gate drive delivering ≥1 A peak current, ≥2 V gate voltage, and diG/dt ≥1 A/µs is required. Infineon recommends using the 2ED300C17-S driver IC with 15 V supply and 1 µF local decoupling. Gate loop inductance must be minimized (<50 nH) to prevent oscillation and false turn-on from dv/dt coupling.