Infineon Technologies T3160N14TOFVTXPSA1

Overview

T3160N14TOFVTXPSA1 from Infineon Technologies is a high-power phase-control thyristor designed for industrial AC power regulation in medium-voltage rectifiers, motor drives, and static VAR compensators. It delivers 3160 A average on-state current at 85 °C case temperature, 1400 V repetitive peak off-state voltage (V_DRM/V_RRM), and supports 63 kA non-repetitive surge current (t_P = 10 ms) - enabling robust operation in grid-tied traction converters and furnace controllers.

For engineers reviewing the T3160N14TOFVTXPSA1 datasheet, T3160N14TOFVTXPSA1 pinout, T3160N14TOFVTXPSA1 application, or T3160N14TOFVTXPSA1 equivalent, key selection criteria include verified gate trigger current (≤250 mA), critical dv/dt rating (1000 V/µs), junction-to-case thermal resistance (0.0078 °C/W two-sided cooling), and validated commutation turn-off time (250 µs).

Technical Context

This thyristor operates as a line-commutated, gate-controlled switch in half- or full-wave AC phase control topologies. Its 125 °C maximum junction temperature, 0.082 mΩ slope resistance, and 0.85 V threshold voltage define conduction behavior under high-current sinusoidal loads (θ = 180° to 30°). The device requires precise gate pulse timing (≤4 µs delay) and sustains 200 A/µs critical di/dt during turn-on.

Thermal performance is defined by dual-sided heatsink mounting: transient thermal impedance Z_thJC reaches 0.0078 °C/W at DC steady state, with analytical R–τ elements provided for dynamic loss modeling. Mechanical clamping force (42–95 kN) ensures stable Si-pellet pressure contact and low-contact thermal resistance.

Key Specifications

Pinout & Package

Package: TO-240AA (isolated press-pack thyristor with dual-side cooling interface, 1200 g mass, 25 mm creepage distance, Si-pellet with pressure contact).

Key Features

Applications

Equivalent & Alternatives

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

Compared with TT1400N14KOF, T3160N14TOFVTXPSA1 provides 360 A higher average current and 0.0007 °C/W lower thermal resistance; versus T3230N14TOFVTXPSA1, it trades 70 A current capacity for broader legacy compatibility and proven field reliability in established drive platforms.

Availability

T3160N14TOFVTXPSA1 is available at Aetrix Electronics and suitable for industrial motor drives, medium-voltage rectifiers, static VAR compensators, and traction converters requiring stable component supply across multi-year production cycles.

Supply support for T3160N14TOFVTXPSA1 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 core expertise in high-voltage silicon devices.

This part belongs to Infineon's "Netz-Thyristor" series, engineered specifically for high-current, line-commutated AC power control in utility-scale and heavy-industrial equipment where reliability under extreme thermal and electrical stress is mandatory.

FAQ

What is the minimum gate trigger voltage required for reliable turn-on?

The maximum gate trigger voltage (V_GT) is 2.5 V at 25 °C and 12 V anode-cathode voltage. Reliable turn-on is achieved with ≥3.0 V gate pulses to account for aging, temperature drift, and driver impedance - confirmed across the full −40 °C to +125 °C junction range per DIN IEC 60747-6 test conditions.

Can this thyristor be used in forced-commutated circuits?

No - T3160N14TOFVTXPSA1 is a semi-controlled, line-commutated thyristor without integrated turn-off capability. It relies on natural current zero-crossing or external commutation networks (e.g., LC snubbers or auxiliary SCRs) for turn-off; gate signals only initiate conduction, not termination.

What clamping force is required for thermal performance validation?

A clamping force of 42–95 kN must be applied uniformly across the TO-240AA package to maintain specified R_thJC (0.0078 °C/W) and prevent hot-spot formation. Force outside this range invalidates thermal derating curves and risks interfacial delamination under high di/dt stress.

Is auxiliary cathode (terminal 5) mandatory for all applications?

No - the auxiliary cathode is optional and used only in specialized asymmetric configurations (e.g., reverse-conducting topologies or gate-assisted turn-off schemes). In standard phase-control bridges, terminals 1 (anode), 2 (cathode), and 4 (gate) suffice for full functionality.