Infineon Technologies TT330N12KOFHPSA2

Overview

TT330N12KOFHPSA2 from Infineon Technologies is a phase-control thyristor module designed for high-power AC line switching and rectification in industrial drive systems. It delivers 330 A average on-state current (ITAVM) at TC = 85°C, 1600 V repetitive peak off-state voltage (VDRM/VRRM), and features pressure-contact die attachment for thermal and mechanical robustness. It is used in soft starters, static switches, and battery charger rectifiers where high surge immunity and reliable commutation are required.

For engineers reviewing the TT330N12KOFHPSA2 datasheet, TT330N12KOFHPSA2 pinout, TT330N12KOFHPSA2 application, or TT330N12KOFHPSA2 equivalent, key selection criteria include junction-to-case thermal resistance (0.106 K/W), critical dv/dt rating (1000 V/µs), gate trigger current (≤200 mA), and insulated baseplate construction for safe high-voltage isolation.

Technical Context

This dual-thyristor module operates in phase-controlled AC applications with full-wave conduction angles up to 180°. Its pressure-contact technology ensures stable thermal performance under repeated 12.5 kA surge currents (ITSM) and supports DC, sinusoidal, and rectangular load waveforms with validated transient thermal impedance ZthJC modeling.

The device integrates electrically isolated AlN-based baseplate insulation (3.6 kV RMS test voltage) and supports optional pre-applied thermal interface material (TIM). Its gate control characteristics are specified across -40°C to +130°C case temperature range, with latching current ≤1200 mA and holding current ≤300 mA.

Key Specifications

Pinout & Package

TT330N12KOFHPSA2 is housed in an industrial-standard press-pack module package with electrically insulated AlN ceramic baseplate (50 mm × 70 mm footprint). Terminals are M2 screw-type (12 Nm torque) for main power paths and DIN 46244 A 2.8×0.8 mm flat pins for gate control.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TT330N12KOFHPSA2, the TT330N16KOFHPSA2 provides higher blocking voltage headroom without trade-offs in thermal or surge performance, while the TD330N16KOFHPSA2 sacrifices integration for configurability-making the TT330N12KOFHPSA2 optimal for space-constrained, cost-sensitive soft starter and rectifier designs.

Availability

TT330N12KOFHPSA2 is available at Aetrix Electronics and suitable for soft starters, static switches, and battery charger rectifiers requiring stable component supply, long-life thermal reliability, and certified electrical isolation.

Supply support for TT330N12KOFHPSA2 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 industrial control solutions, with global manufacturing and quality certification to ISO 9001 and IATF 16949.

TT330N12KOFHPSA2 belongs to Infineon's Advanced Medium Power Technology (AMPT) thyristor module family, engineered for high-reliability industrial power control applications including motor drives, UPS, and grid-tied converters.

FAQ

What is the maximum allowable case temperature for continuous operation?

The maximum case temperature (Tc op) is +130°C, and the device is rated for ITAVM = 330 A at TC = 85°C. Derating curves in the datasheet show usable current drops to ~220 A at TC = 110°C and ~150 A at TC = 130°C for 180° conduction. Operation beyond 130°C violates absolute maximum ratings and risks irreversible junction damage.

Does TT330N12KOFHPSA2 require external snubber circuits?

Snubbers are not mandatory due to its high (dv/dt)cr rating of 1000 V/µs, but are recommended in high-di/dt applications (e.g., inductive loads >100 µH) or when operating near VDRM limits. The datasheet provides RC snubber design guidelines based on load L/R ratio and expected voltage overshoot.

How is gate drive isolation implemented in this module?

Each gate terminal (G1, G2) is galvanically isolated from the baseplate and opposite arm terminals. Gate-cathode isolation is rated to 3.6 kV RMS (1 sec), matching the main insulation rating. Gate drive circuits must reference their respective cathodes (K1, K2), not the baseplate or common ground.

Can TT330N12KOFHPSA2 be used in parallel configurations?

Parallel operation is not recommended. The module lacks integrated current-sharing features such as matched dynamic parameters or emitter/cathode ballasting. Parallel use would require external forced current balancing (e.g., series inductors or active gate timing control), increasing complexity and reducing reliability versus using a single higher-rated module.