Infineon Technologies TD390N16SOFHPSA1

Overview

TD390N16SOFHPSA1 from Infineon Technologies is a phase-control thyristor module designed for high-power AC line switching and rectification in industrial drive systems. It features 1600 V repetitive peak off-state voltage (VDRM/VRRM), 380 A average on-state current at TC = 85 °C, 9500 A non-repetitive surge current (ITSM), and electrically insulated baseplate construction. It is used in soft starters for three-phase induction motors.

For engineers reviewing the TD390N16SOFHPSA1 datasheet, TD390N16SOFHPSA1 pinout, TD390N16SOFHPSA1 application, or TD390N16SOFHPSA1 equivalent, key selection criteria include junction-to-case thermal resistance (0.110 K/W), gate trigger current (≤150 mA), threshold voltage (≤0.77 V), and critical dv/dt rating (1000 V/µs) under full-rated blocking conditions.

Technical Context

This dual-thyristor module operates in phase-controlled AC power regulation, where conduction angle is precisely gated to control RMS output voltage and current. Its solder-bond packaging ensures low parasitic inductance and robust thermal coupling between silicon dies and the insulated copper baseplate.

The device supports both two-pulse (B2) and six-pulse (B6) bridge configurations, with validated derating curves for case temperature versus ITAV across conduction angles from 30° to 180°. Its 140 °C maximum junction temperature and pre-applied TIM option enable stable operation in high-ambient industrial environments.

Key Specifications

Pinout & Package

TD390N16SOFHPSA1 uses an industry-standard press-fit package with electrically insulated Al₂O₃ ceramic baseplate and M5 mechanical mounting points. The module contains two independent thyristor arms in a common-base configuration.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TT390N16SOF and TD390N16KOF, TD390N16SOFHPSA1 offers verified pre-applied TIM and full 3.6 kV isolation compliance-critical for UL/IEC-certified UPS and soft starter designs requiring zero assembly variability and highest safety margin.

Availability

TD390N16SOFHPSA1 is available at Aetrix Electronics and suitable for soft starters, UPS rectifiers, industrial battery chargers, and static power controllers requiring stable component supply across multi-year production cycles.

Supply support for TD390N16SOFHPSA1 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 markets.

This part belongs to Infineon's "Netz-Thyristor-Modul" product line, engineered specifically for high-reliability, high-current phase-angle control in mission-critical industrial power conversion equipment.

FAQ

What is the maximum allowable case temperature for continuous operation?

The maximum case temperature (TC) is +125 °C, but the rated ITAVM of 380 A is specified at TC = 85 °C. Derating curves in the datasheet show that at TC = 125 °C, ITAVM drops to approximately 220 A for 180° conduction. Operation above 85 °C requires thermal modeling using the provided ZthJC transient impedance data and actual heatsink RthCA.

Does TD390N16SOFHPSA1 require external snubber circuits?

Snubbers are recommended for applications with high dv/dt transients (>500 V/µs) or inductive loads, despite the device's 1000 V/µs critical dv/dt rating. The datasheet specifies snubber design guidelines based on load L/R ratio and expected commutation speed; omission may risk false turn-on during rapid voltage transients on unfiltered AC lines.

How is gate drive isolation implemented for this module?

Each gate (G1, G2) is electrically isolated from the baseplate and main terminals, with ≥3.6 kV RMS insulation rating. Gate drive must use isolated gate drivers (e.g., Infineon 1ED020I12FA) capable of delivering ≥150 mA peak current and sustaining ≥2 V reverse gate voltage. No shared gate return path is permitted between arms.

Can TD390N16SOFHPSA1 be paralleled with identical units?

Parallel operation is not recommended due to mismatch in dynamic parameters (e.g., tq, di/dt capability) and thermal coupling effects. The datasheet does not provide parallel derating factors or matching tolerances. For higher current, use a single larger-rated module (e.g., TD550N16SOFHPSA1) or consult Infineon's application note AN2017-05 on multi-module stacking.