Infineon Technologies SKB15N60

Overview

SKB15N60 from Infineon Technologies is a 600V fast N-channel IGBT in NPT technology with a soft, fast recovery anti-parallel Emitter Controlled Diode, designed for frequency inverters, motor-drive stages, switch-mode power supplies, UPS systems, appliance inverter drives, and industrial power conversion. The device is supplied in a PG-TO263-3-2 surface-mount power package for compact high-voltage switching layouts.

As part of Infineon's SKB15N60 fast IGBT family, SKB15N60 combines 600V collector-emitter voltage, 15A rated collector current, 2.3V listed VCE(sat), 10µs short-circuit withstand time, 139W power dissipation, and 150°C maximum junction temperature. For engineers reviewing the SKB15N60 datasheet, SKB15N60 pinout, SKB15N60 application, or SKB15N60 equivalent, this device is suitable for washing machine inverters, fan drives, pump drives, vacuum cleaner drives, industrial inverter power stages, and medium-power high-voltage switching circuits.

Technical Context

In power-conversion circuits, SKB15N60 operates as a voltage-controlled IGBT switch. The gate is driven like a MOSFET, while the main collector-emitter current path has IGBT saturation-voltage behavior. This means power-stage loss analysis should combine conduction loss from VCE(sat), switching loss from Eon and Eoff, diode recovery loss, thermal resistance, switching frequency, and actual gate-drive conditions.

The Infineon datasheet identifies SKB15N60 as a fast NPT IGBT with a soft, fast recovery anti-parallel Emitter Controlled Diode. It also notes 75% lower Eoff compared with the previous generation, 10µs short-circuit withstand time, and target use in frequency inverters for washing machines, fans, pumps, and vacuum cleaners. :contentReference[oaicite:0]{index=0}

The integrated anti-parallel diode is important in inverter and inductive-load circuits. During bridge-leg commutation, motor freewheeling, or current reversal, the diode provides a controlled current path and its recovery behavior affects switching loss, EMI, voltage overshoot, and thermal stress.

Key Specifications

Pinout & Package

The SKB15N60 pinout follows the PG-TO263-3-2 IGBT package format. The main terminals are gate, collector, and emitter, with the large tab electrically connected to the collector. This collector-tab structure must be considered for creepage, clearance, thermal copper, insulation, and switching-node layout.

For PCB implementation, the collector and emitter current paths should be short and low inductance. The gate resistor should be placed close to the gate terminal, and the gate-driver return should reference the emitter carefully to reduce ringing, false triggering, and switching instability. The package drawing in the datasheet shows the PG-TO263-3-2 mechanical and footprint dimensions for layout verification.

Key Features

• 600V fast N-channel IGBT for high-voltage switching applications.
• NPT technology supports tight parameter distribution, high ruggedness, and parallel switching capability.
• Soft, fast recovery anti-parallel Emitter Controlled Diode for inductive-load applications.
• 75% lower Eoff compared with the previous generation according to the datasheet feature summary.
• 10µs short-circuit withstand time under specified gate-drive and bus-voltage conditions.
• 15A collector current at TC = 100°C and 31A at TC = 25°C.
• Low conduction loss with 2.0V typical VCE(sat) at 25°C and IC = 15A.
• Typical total switching energy of 0.57mJ at 25°C and 0.86mJ at 150°C under datasheet test conditions.
• PG-TO263-3-2 surface-mount package supports compact inverter and converter layouts.
• Pb-free lead plating and RoHS-compliant device family.

Applications

Equivalent & Alternatives

When evaluating SKB15N60 equivalent devices, engineers should compare collector-emitter voltage, collector current, VCE(sat), switching energy, short-circuit withstand time, diode recovery behavior, gate charge, package footprint, tab connection, thermal resistance, and product lifecycle status.

Compared with SKB15N60HSATMA1, SKB15N60 is the standard SKB15N60 device variant documented for appliance frequency inverter applications with soft fast recovery Emitter Controlled Diode behavior. SKB15N60 vs IKB15N60T selection depends on switching-loss target, VCE(sat), diode recovery behavior, gate-drive qualification, thermal design, package compatibility, and production sourcing requirements.

Quality

SKB15N60 should be sourced as original Infineon Technologies components through traceable and controlled supply channels. Quality verification procedures may include package inspection, top-mark validation, solderability testing, gate leakage testing, collector-emitter leakage testing, VCE(sat) verification, diode forward-voltage testing, switching-function checks, and incoming inspection according to power semiconductor production requirements.

Because the device is used in high-voltage switching applications, reliability depends on correct gate-drive voltage, gate resistance selection, desaturation or overcurrent protection, snubber and clamp design, thermal-path design, PCB creepage and clearance, collector-tab handling, diode recovery validation, and testing under worst-case load, temperature, switching frequency, and fault conditions. Traceable sourcing supports manufacturing quality and reduces counterfeit supply-chain risk for industrial and appliance IGBT production programs.

Availability

SKB15N60 available at Aetrix Electronics and suitable for frequency inverters, washing machine drives, fan drives, pump drives, vacuum cleaner drives, industrial inverters, switch-mode power supplies, UPS systems, welding equipment, and high-voltage power-conversion circuits requiring stable component supply and repeatable production support.

Supply support may include scheduled delivery planning, volume procurement support, legacy BOM sourcing, traceable sourcing management, and long-term availability support for OEM manufacturers, appliance-control developers, industrial-control builders, power-supply designers, repair programs, and electronics production operations.

For production deployment, confirming voltage rating, current rating, switching energy, short-circuit withstand requirement, diode recovery behavior, package style, thermal design, gate-drive compatibility, lifecycle status, and sourcing continuity helps reduce procurement risk and improve manufacturing stability.

Manufacturer

Infineon Technologies is a semiconductor manufacturer specializing in power semiconductors, microcontrollers, sensors, security ICs, automotive electronics, industrial power devices, MOSFETs, IGBTs, gate drivers, and power-management solutions for automotive, industrial, communication, consumer, and energy applications.

The Infineon IGBT portfolio focuses on high-voltage switching, inverter power stages, motor-drive efficiency, rugged gate-controlled power devices, integrated diode options, package flexibility, and reliable power conversion for appliance inverters, industrial drives, renewable energy, UPS systems, welding equipment, and switch-mode power supplies.

FAQ

What is SKB15N60 used for?

SKB15N60 is used for high-voltage switching in appliance frequency inverters, washing machine drives, fan drives, pump drives, vacuum cleaner drives, industrial inverters, switch-mode power supplies, UPS systems, and medium-power converter circuits.

Where can I find the SKB15N60 datasheet download?

The SKB15N60 datasheet is available from Infineon documentation and includes voltage and current ratings, VCE(sat), switching energy, diode recovery data, short-circuit withstand time, thermal ratings, characteristic curves, dynamic test definitions, and PG-TO263-3-2 package drawing.

What should be considered in SKB15N60 PCB design?

PCB implementation should prioritize low-inductance collector and emitter current paths, short gate routing, correct gate resistor placement, adequate thermal copper, proper creepage and clearance, controlled switching-node layout, snubber or clamp review, and careful gate-driver return routing.

Does SKB15N60 include an anti-parallel diode?

Yes. SKB15N60 includes a soft, fast recovery anti-parallel Emitter Controlled Diode, which supports inductive-load freewheeling and inverter bridge commutation.

What are common SKB15N60 equivalent solutions?

Common alternatives include SKB15N60ATMA1, SKB15N60HSATMA1, IKB15N60T, and selected 600V 15A-class IGBTs depending on switching frequency, VCE(sat), switching energy, diode recovery, package, thermal behavior, gate-drive compatibility, and sourcing continuity.