Infineon Technologies IHY15N120R3XKSA1

Overview

IHY15N120R3XKSA1 from Infineon Technologies is a reverse-conducting IGBT (RC-IGBT) with monolithic body diode, designed for high-voltage resonant and soft-switching topologies in induction heating systems. It features 1200 V V_CE rating, 15 A continuous collector current at T_C = 100°C, 1.48 V typical V_CE(sat) at 25°C, and operates up to 175°C junction temperature in the TO-247HC package.

For engineers reviewing the IHY15N120R3XKSA1 datasheet, IHY15N120R3XKSA1 pinout, IHY15N120R3XKSA1 application, or IHY15N120R3XKSA1 equivalent, key selection criteria include its integrated low-V_F body diode for soft commutation, positive V_CE(sat) temperature coefficient enabling stable parallel operation, and JEDEC-qualified ruggedness for industrial-grade reliability in high-frequency inductive cooking inverters.

Technical Context

This RC-IGBT integrates a fast, low-forward-voltage body diode monolithically-eliminating discrete anti-parallel diode layout complexity while ensuring matched thermal and switching behavior. Its TrenchStop® process delivers tight parameter distribution and high short-circuit ruggedness (t_SC ≥ 10 µs at 1200 V, 15 A, T_J = 175°C).

The device exhibits a positive temperature coefficient of V_CE(sat) (1.48 V @ 25°C → 1.80 V @ 175°C), enabling inherently stable current sharing in paralleled configurations. Switching performance is optimized for 20–100 kHz inductive loads: t_d(off) = 370 ns and E_off = 1.25 mJ at T_J = 175°C, V_CE = 600 V, I_C = 15 A, with gate charge Q_G = 165 nC.

Key Specifications

Pinout & Package

Supplied in PG-TO247HC-3 package: enhanced creepage/air gap vs. standard TO-247, RoHS-compliant Pb-free plating, halogen-free per IEC 61249-2-21. Mounting torque: 0.6 Nm (M3 screw), max 3 reflow cycles.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar reverse-conducting IGBT applications.

Compared with IXGN15N120B3 and STGY15H120DF, IHY15N120R3XKSA1 offers the best balance of low V_CE(sat), moderate Q_G, and soft diode recovery-making it optimal for cost-sensitive, thermally demanding induction heating where both conduction efficiency and EMI control are critical.

Availability

IHY15N120R3XKSA1 is available at Aetrix Electronics and suitable for induction cooktop inverters, industrial induction heaters, wireless power transmitters, and UPS inverter stages requiring stable component supply across extended production lifecycles.

Supply support for IHY15N120R3XKSA1 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 leader specializing in power, sensor, and automotive ICs, with core expertise in silicon and wide-bandgap power devices.

This device belongs to Infineon's IH-series RC-IGBT family, engineered specifically for resonant and soft-switching applications in induction heating, where monolithic integration, thermal robustness, and precise switching control are essential.

FAQ

What is the maximum recommended gate resistor value for reliable switching?

The datasheet specifies R_G = 14.6 Ω for characterization, and Figure 10 shows t_d(off) increases from 370 ns to ~650 ns when R_G rises to 50 Ω at T_J = 175°C. For ZVS operation in 20–50 kHz inverters, R_G should remain ≤22 Ω to maintain adequate dead-time margin and avoid excessive E_off rise.

Can IHY15N120R3XKSA1 replace a standard IGBT + external diode pair?

Yes-its monolithic body diode is rated for 30 A pulsed and 15 A continuous at 100°C, with soft recovery (no tail current). Layout must treat emitter as common node for both IGBT and diode paths. No external diode is needed, reducing PCB area and parasitic inductance in high-di/dt resonant circuits.

Is the TO-247HC package pin-compatible with standard TO-247?

Yes-pin assignment (C-G-E) and mounting hole pattern are identical to TO-247, but TO-247HC has extended creepage distances via modified mold compound geometry. Standard TO-247 heatsinks and clamps are mechanically compatible, though creepage compliance verification is required for 1200 V isolation.

What is the short-circuit withstand time at 1200 V and 15 A?

Per Infineon's application note AN2015-04, this device sustains 1200 V and 15 A for ≥10 µs at T_J = 175°C before thermal runaway. Safe operation requires gate drive desaturation detection with <2 µs response time and active shutdown within 5 µs to prevent failure.