Infineon Technologies IKW20N60TFKSA1

Overview

IKW20N60TFKSA1 from Infineon is a 600 V, 20 A TRENCHSTOP™ IGBT with integrated fast anti-parallel diode in TO-247 package, optimized for hard-switching up to 20 kHz in motor drives and UPS inverters. It delivers 1.5 V typical V_CE(sat) at 25 °C, 0.46 mJ typical E_off, and 0.31 mJ typical E_on, enabling efficient 3-phase inverter stages in industrial variable-frequency drives.

For engineers reviewing the IKW20N60TFKSA1 datasheet, IKW20N60TFKSA1 pinout, IKW20N60TFKSA1 application, or IKW20N60TFKSA1 equivalent, key selection criteria include its 600 V blocking voltage, 20 A rated current at 100 °C, TO-247 thermal performance, integrated diode Q_rr of 310 µC, and compatibility with standard gate drivers for 3-level NPC and symmetrical full-bridge topologies.

Technical Context

This IGBT employs Infineon's TRENCHSTOP™ silicon technology with field-stop structure and optimized carrier lifetime control, delivering low conduction loss while maintaining robust short-circuit withstand time (10 µs at 15 V V_GE). Its integrated diode features soft recovery and low Q_rr, minimizing voltage overshoot during commutation in bridge-leg configurations.

The device operates in hard-switching mode with fixed gate charge characteristics (Q_G = 95 nC typ), designed for gate drive voltages between 15 V and 20 V, and supports continuous junction temperatures from –40 °C to 175 °C-enabling use in high-reliability industrial motor control and uninterruptible power supplies.

Key Specifications

Pinout & Package

IKW20N60TFKSA1 uses the industry-standard TO-247 package with 3-pin configuration (Collector, Gate, Emitter), offering high thermal conductivity (R_thJC = 0.85 K/W) and mechanical robustness for high-power PCB mounting.

Key Features

Applications

Equivalent & Alternatives

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

Compared with IKW20N60T and IGW20N60H3, IKW20N60TFKSA1 uniquely combines integrated diode functionality, 1.5 V V_CE(sat), and 2–20 kHz optimization-making it the most direct drop-in solution for space-constrained industrial inverter designs requiring minimal external components.

Availability

IKW20N60TFKSA1 is available at Aetrix Electronics and suitable for industrial motor drives, uninterruptible power supplies, and solar inverters requiring stable component supply, long-term lifecycle support, and traceable sourcing for production programs.

Supply support for IKW20N60TFKSA1 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 AG is a German semiconductor manufacturer specializing in power semiconductors, microcontrollers, and sensor solutions for industrial, automotive, and energy markets.

IKW20N60TFKSA1 belongs to the TRENCHSTOP™ IGBT product line, engineered specifically for cost-sensitive, high-efficiency industrial motor control and power conversion applications operating below 20 kHz.

FAQ

What is the maximum gate-emitter voltage rating for IKW20N60TFKSA1?

The absolute maximum gate-emitter voltage (V_GE) is ±20 V. Operation above +20 V risks permanent gate oxide damage, while negative voltage beyond –10 V may cause latch-up. Recommended gate drive is +15 V for turn-on and –5 V to –8 V for turn-off to ensure robust noise immunity and prevent Miller-induced false triggering.

Does IKW20N60TFKSA1 require a negative gate voltage for reliable turn-off?

While not strictly required, applying –5 V to –8 V during turn-off significantly improves noise immunity and prevents spurious turn-on due to dV/dt coupling in high-power bridge configurations. The device's gate threshold voltage (V_GE(th)) is 4.5–6.5 V, so 0 V gate bias leaves insufficient margin against transient coupling in noisy industrial environments.

Can IKW20N60TFKSA1 be used in parallel configurations?

Yes, but only with strict layout symmetry and individual gate resistors (R_G ≤ 10 Ω) to ensure balanced dynamic current sharing. The device exhibits positive V_CE(sat) temperature coefficient above 100 °C, supporting inherent static current sharing-but dynamic imbalance from unequal stray inductance remains the dominant risk in multi-device paralleling.

What is the thermal resistance from junction to case (R_thJC) for IKW20N60TFKSA1?

The junction-to-case thermal resistance is 0.85 K/W, measured under standard mounting conditions (grease, 0.5 N·m torque on M3 screw). This value assumes full contact across the TO-247 flange and is critical for calculating maximum allowable case temperature (T_C ≤ 110 °C) when operating at 20 A continuous current with 1.5 V V_CE(sat) conduction loss.