Infineon Technologies IKU15N60R

Overview

IKU15N60R from Infineon is a 600V, 15A reverse-conducting (RC) IGBT with integrated fast recovery diode in PG-TO251-3 package, optimized for hard-switching industrial motor drives and SMPS inverters. It delivers 1.65V V_CE(sat) at 15A/25°C, 175°C max junction temperature, 5µs short-circuit withstand time, and low EMI due to smooth switching.

For engineers reviewing the IKU15N60R datasheet, IKU15N60R pinout, IKU15N60R application, or IKU15N60R equivalent, key selection criteria include RC topology compatibility, thermal resistance (R_th,j-a = 75 K/W), diode reverse recovery charge (Q_rr = 0.76 µC @ 25°C), and gate charge (Q_g = 90 nC) for 1–20 kHz hard-switching designs.

Technical Context

This RC-IGBT integrates a co-packaged fast recovery diode with matched thermal characteristics and shared die substrate, enabling bidirectional current handling without external diode placement. Its TRENCHSTOP™ RC architecture achieves tight parameter distribution and optimized conduction–switching trade-off via trench-gate and field-stop doping profiles.

The device operates across -40°C to +175°C junction range with ±20V gate rating, supports pulsed collector current up to 45A, and maintains stable V_CE(sat) and V_F over temperature-critical for high-reliability motor control and UPS systems requiring robust short-circuit protection.

Key Specifications

Pinout & Package

IKU15N60R uses the PG-TO251-3 (single-ended lead, surface-mount) package with isolated tab, offering mechanical robustness and simplified PCB layout versus through-hole alternatives. Thermal resistance from junction to ambient is 75 K/W with standard footprint.

Key Features

Applications

Equivalent & Alternatives

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

Compared with IKD15N60R and IRGP4062DPBF, IKU15N60R offers superior space efficiency and reduced layout parasitics via monolithic RC integration, while maintaining identical electrical specs-making it optimal for space-constrained, naturally cooled industrial inverters where thermal margin is managed via case temperature derating.

Availability

IKU15N60R is available at Aetrix Electronics and suitable for industrial motor drives, uninterruptible power supplies, solar microinverters, and induction heating systems requiring stable component supply and long-term lifecycle support.

Supply support for IKU15N60R 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 renewable energy markets.

The TRENCHSTOP™ RC-Series targets hard-switching applications demanding high power density and reliability, with design focus on integrated reverse-conducting functionality for compact inverter topologies in motor control and UPS systems.

FAQ

What is the maximum allowable gate-emitter voltage for IKU15N60R?

The absolute maximum gate-emitter voltage is ±20 V DC, with recommended operating range of -10 V to +15 V. Exceeding ±20 V risks permanent gate oxide damage. The device includes an internal 15 Ω gate resistor, so external series resistance must be selected to limit peak gate current during fast edge transitions while maintaining sufficient drive strength for 20 kHz switching.

Does IKU15N60R require a negative gate voltage for reliable turn-off?

No, IKU15N60R does not require negative gate bias for safe turn-off under normal operation. A 0 V gate potential fully blocks the device, and its gate threshold voltage (4.3–5.7 V) ensures noise immunity. However, applying -5 V to -10 V improves immunity against spurious turn-on during high dV/dt commutation events in bridge configurations, especially at elevated temperatures.

How does the integrated diode in IKU15N60R differ from a standard FRD?

The integrated diode is a fast recovery type with 110 ns t_rr and 0.76 µC Q_rr at 25°C, co-optimized with the IGBT die for matched thermal expansion and junction temperature tracking. Unlike discrete FRDs, it shares the same silicon substrate and thermal path, eliminating bond wire inductance and ensuring synchronized thermal behavior-critical for reliability in repetitive hard-switching.

Can IKU15N60R be used in parallel configurations?

Yes, IKU15N60R supports paralleling due to positive temperature coefficient of V_CE(sat), which promotes current sharing. Successful implementation requires matched gate drive impedance, symmetrical PCB layout, and thermal coupling via common heatsink. Derating to ≤12 A per device is recommended for >10⁵ cycle lifetime in high-temperature environments.