Infineon Technologies SIGC25T60SNCX1SA1

Overview

SIGC25T60SNC from Infineon Technologies is a 600 V, 30 A NPT (Non-Punch-Through) IGBT bare die optimized for motor drives and industrial inverters. It features a 4.5 × 5.71 mm² silicon die with 100 µm thickness, positive temperature coefficient for stable paralleling, short-circuit ruggedness, and V_CE(sat) = 2.0 V (typ.) at I_C = 30 A and V_GE = 15 V.

For engineers reviewing the SIGC25T60SNC datasheet, SIGC25T60SNC pinout, SIGC25T60SNC application, or SIGC25T60SNC equivalent, this bare die requires external emitter/gate pad bonding and thermal interface design - critical for high-reliability 400–600 V inverter stages in HVAC compressors, servo drives, and UPS systems.

Technical Context

The SIGC25T60SNC implements an NPT IGBT structure with photoimide passivation and Al–Si (1%) emitter metallization, enabling robust short-circuit withstand time (t_SC) under 10 µs test conditions. Its 92 pF reverse transfer capacitance (C_rss) and 389 ns turn-off delay (t_d(off)) at T_j = 150 °C support medium-frequency switching up to 20 kHz in hard-switched topologies.

Designed for epoxy or soft-solder die attachment, it uses Ni–Ag collector metallization compatible with standard power module assembly processes. The 2×(2.18 × 1.58) mm² emitter pads and 0.68 × 1.08 mm² gate pad enable low-inductance wire bonding with ≤500 µm Al wires - essential for minimizing switching oscillation in high-dI/dt applications.

Key Specifications

Pinout & Package

Package: Bare die (unmounted silicon chip), sawn on foil (Q67041-A4667-A001) or unsawn (Q67041-A4667-A002); no leadframe or molded package.

Key Features

Applications

Equivalent & Alternatives

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

Compared with IKB25N60T, SIGC25T60SNC offers superior short-circuit ruggedness and lower Miller capacitance, making it preferred for industrial drives with fault-clearing requirements; versus SGP30N60, it provides full flexibility in thermal and electrical layout but demands qualified die-attach and wire-bonding processes.

Availability

SIGC25T60SNC is available at Aetrix Electronics and suitable for industrial motor drives, HVAC compressor inverters, and uninterruptible power supplies requiring stable component supply across multi-year production cycles.

Supply support for SIGC25T60SNC 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 security solutions, with global R&D and manufacturing facilities.

SIGC25T60SNC belongs to Infineon's high-voltage NPT IGBT die portfolio, engineered specifically for cost-sensitive, thermally constrained industrial inverter modules requiring robust short-circuit behavior and paralleling capability.

FAQ

What is the recommended die-attach method for SIGC25T60SNC?

Infineon specifies electrically conductive epoxy or soft-solder (SnAgCu or SnPb) for die attachment. The Ni–Ag collector metallization ensures strong interfacial adhesion and low thermal resistance (<0.5 K/W typical on DBC substrates). Conductive glue is preferred for low-temperature assembly; solder requires precise reflow profiling to avoid die cracking.

Does SIGC25T60SNC include an integrated freewheeling diode?

No. SIGC25T60SNC is a single-die NPT IGBT without any integrated body diode. External anti-parallel diodes - such as IDH15E60 or IDW20C60 - must be co-packaged or mounted adjacent to the die to provide commutation paths in inductive loads.

What wire bonding material and diameter are qualified for this die?

Aluminum wire with diameter ≤500 µm is qualified per Infineon's assembly guidelines. The dual 2.18 × 1.58 mm² emitter pads support two parallel 300 µm Al wires per pad, reducing total bond inductance below 1.5 nH - critical for suppressing voltage overshoot during turn-off.

How does the 100 µm die thickness impact thermal performance?

At 100 µm, the die achieves optimal balance between vertical breakdown voltage integrity and vertical thermal resistance. Thinner dies would compromise 600 V rating; thicker ones increase junction-to-case resistance by ~15%, degrading power cycling lifetime in high ΔT applications like servo drives.