Infineon Technologies IKB20N60H3ATMA1

Overview

IKB20N60H3ATMA1 from Infineon is a 600V, 20A high-speed IGBT in Trench and Fieldstop technology with integrated soft-fast anti-parallel diode, rated for 175°C junction operation and optimized for >20 kHz switching in industrial power converters. Key confirmed parameters: V_CE = 600 V, I_C = 20 A (DC), V_CE(sat) = 1.95 V @ T_vj = 25°C, t_d(off) = 194 ns, E_off = 0.24 mJ.

For engineers reviewing the IKB20N60H3ATMA1 datasheet, IKB20N60H3ATMA1 pinout, IKB20N60H3ATMA1 application, or IKB20N60H3ATMA1 equivalent, key selection criteria include soft-recovery diode performance (t_rr = 112 ns, Q_rr = 0.39 µC), thermal resistance R_th(j–c) = 0.88 K/W, and short-circuit ruggedness (t_SC = 5 µs, 1000 cycles).

Technical Context

This IGBT employs TRENCHSTOP™ third-generation trench-gate and field-stop structure to simultaneously minimize conduction loss (V_CE(sat) = 1.95 V) and switching loss (E_ts = 0.69 mJ at 25°C), while enabling stable high-frequency operation up to 100 kHz under forced-air cooling per Figure 1. The monolithic anti-parallel diode features soft reverse recovery (dirr/dt = –750 A/µs) and low Q_rr, reducing voltage overshoot and EMI.

It operates across –40°C to +175°C junction temperature, qualified per JEDEC standards for industrial applications. Thermal design is enabled by low R_th(j–c) = 0.88 K/W (IGBT) and R_th(j–c) = 1.89 K/W (diode), supporting high-power-density converter layouts with minimal heatsink mass.

Key Specifications

Pinout & Package

IKB20N60H3ATMA1 is housed in PG-TO263-3 (D²PAK) package with standard three-terminal layout: Gate (G), Collector (C), Emitter (E). The isolated copper tab provides direct thermal path to heatsink and electrically connects to collector.

Key Features

Applications

Equivalent & Alternatives

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

Compared with IKB20N60H3ATMA1, the H5 variant improves conduction efficiency but sacrifices high-frequency switching capability, while the FGH20N60UFDTU lacks monolithic diode integration-increasing board area, layout complexity, and EMI risk in space-constrained inverters.

Availability

IKB20N60H3ATMA1 is available at Aetrix Electronics and suitable for uninterruptible power supplies, industrial welding converters, and high-frequency AC-DC converters requiring stable component supply, long-term industrial lifecycle support, and RoHS-compliant manufacturing.

Supply support for IKB20N60H3ATMA1 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.

The High Speed Switching Series (H3) IGBTs were designed specifically for industrial power conversion systems demanding high efficiency, high switching frequency, and rugged short-circuit behavior-targeting UPS, welding, and solar inverters.

FAQ

What is the maximum allowable gate-emitter voltage for IKB20N60H3ATMA1?

The absolute maximum gate-emitter voltage is ±20 V, with recommended operating range of –10 V to +15 V. Exceeding +15 V increases gate oxide stress and leakage; negative bias below –10 V risks gate damage. Gate drive circuits must limit transient overshoot using clamping diodes or active regulation.

Can IKB20N60H3ATMA1 be used in parallel configurations?

Yes, but requires matched dynamic characteristics and symmetrical PCB layout. Key prerequisites include identical gate resistors (r_G = 14.6 Ω), equal trace inductance (<5 nH), and thermally balanced mounting. Derating to 15 A per device is advised to ensure current sharing within ±10% across temperature and process variation.

Does the integrated diode support bidirectional current flow in bridge-leg operation?

Yes-the anti-parallel diode conducts freewheeling current during dead-time intervals and reverse recovery current during commutation. Its soft recovery (t_rr = 112 ns, Q_rr = 0.39 µC) minimizes voltage overshoot and oscillation, making it suitable for two-level and three-level inverter topologies without external snubbers.

What is the minimum recommended gate resistor value for 50 kHz operation?

A gate resistor of 14.6 Ω is specified in the datasheet for standardized switching measurements at 50 kHz. Lower values (e.g., 10 Ω) reduce switching time but increase EMI and gate driver stress; higher values (e.g., 22 Ω) improve EMI but raise E_on/E_off by up to 25%. Thermal validation at full load is mandatory when deviating from 14.6 Ω.