Infineon Technologies IPAW70R950CEXKSA1

Overview

IPAW70R950CEXKSA1 from Infineon Technologies is a 700 V, 950 mΩ superjunction MOSFET in TO-220 FullPAK WideCreepage package, optimized for high-efficiency flyback and resonant converters in cost-sensitive lighting and adapter applications. It delivers 7.4 A continuous drain current, 15.3 nC total gate charge, and 1.5 µJ output energy at 400 V, enabling compact, thermally robust SMPS designs.

For engineers reviewing the IPAW70R950CEXKSA1 datasheet, IPAW70R950CEXKSA1 pinout, IPAW70R950CEXKSA1 application, or IPAW70R950CEXKSA1 equivalent, key selection criteria include its 750 V maximum drain-source voltage rating, 3.8 °C/W junction-to-case thermal resistance, commutation ruggedness (50 V/ns dv/dt), and integrated body diode with 226 ns reverse recovery time.

Technical Context

This CoolMOS™ CE device implements a charge-balanced superjunction structure to achieve ultra-low R_DS(on) × Q_g figure-of-merit (FOM) and low E_oss, directly reducing conduction and switching losses in quasi-resonant and fixed-frequency flyback topologies. Its gate plateau voltage of 5.4 V ensures stable turn-on under wide input voltage ranges.

The MOSFET features high commutation ruggedness (50 V/ns dv/dt rating) and reverse diode performance (9.9 A peak I_Rrm, 1.3 µC Q_rr) suitable for hard-switched and self-oscillating converter operation without external snubbers. Thermal design is supported by a 3.8 °C/W R_thJC and 2500 V_rms isolation rating in the TO-220 FullPAK package.

Key Specifications

Pinout & Package

Package: TO-220 FullPAK WideCreepage - insulated tab, creepage distance >8 mm, 2500 V_rms isolation, optimized for high-voltage board layouts and safety compliance.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-voltage MOSFET applications.

Compared with IPD70R950CE and IPP60R950CE, IPAW70R950CEXKSA1 provides superior thermal performance in through-hole mounting, full 700 V system margin for global mains compatibility, and mechanical robustness for high-volume industrial assembly - making it optimal for universal-input lighting and adapter platforms requiring long-term reliability.

Availability

IPAW70R950CEXKSA1 is available at Aetrix Electronics and suitable for indoor LED lighting drivers, universal-input laptop adapters, and LCD TV power supplies requiring stable component supply, long-lifecycle support, and certified safety isolation.

Supply support for IPAW70R950CEXKSA1 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 management, automotive electronics, and industrial control ICs, with global manufacturing and quality certification to ISO 9001 and IATF 16949.

The CoolMOS™ CE product line was engineered specifically for cost-sensitive, high-efficiency offline SMPS in consumer lighting and adapter markets - balancing performance, ruggedness, and manufacturability without compromising safety or regulatory compliance.

FAQ

What is the maximum recommended gate resistor value for reliable switching?

The datasheet specifies a 10.2 Ω gate resistor in dynamic test conditions (V_DD=400 V, I_D=2.2 A). For stable operation across temperature and load, a range of 8–15 Ω is recommended. Lower values improve switching speed but increase gate driver stress; higher values reduce EMI but lengthen switching transitions and raise losses. Layout parasitics must be minimized regardless of R_G choice.

Does this MOSFET require a negative gate turn-off voltage?

No. The device is fully compatible with 0 V to +13 V gate drive and does not require negative turn-off bias. Its gate threshold voltage (2.5–3.5 V) and plateau voltage (5.4 V typ) ensure clean turn-on with standard CMOS or dedicated gate drivers. Negative voltage is unnecessary and may risk overstressing the gate oxide beyond its ±30 V dynamic rating.

Can IPAW70R950CEXKSA1 replace older CoolMOS™ C3 or C6 devices?

Yes - it is a direct drop-in replacement for IPW60R099C6 and IPW60R115C3 in most 700 V applications due to identical pinout, improved R_DS(on) × Q_g FOM, and enhanced dv/dt ruggedness. However, gate drive timing and snubber values should be verified, as faster switching may alter ringing behavior in legacy layouts.

Is the TO-220 FullPAK package compatible with standard TO-220 heatsinks?

Yes - the package uses standard TO-220 footprint and mounting hole spacing. However, the insulated tab requires thermal interface material rated for ≥2500 V_rms isolation. Standard silicone pads or ceramic washers are acceptable; conductive pastes or un-insulated clips must be avoided to maintain safety isolation integrity.