Infineon Technologies IPA65R600C6XKSA1

Overview

IPA65R600C6XKSA1 from Infineon Technologies is a 650 V, 11 A, 600 mΩ CoolMOS™ C6 superjunction power MOSFET in TO-220FP package, optimized for hard-switched and resonant SMPS topologies including LLC and PFC stages. It delivers low conduction and switching losses with R_DS(on) = 600 mΩ at V_GS = 10 V, Q_g = 22 nC, and E_oss = 39 nJ, enabling high-efficiency 100–300 W server PSUs and industrial AC/DC adapters.

For engineers reviewing the IPA65R600C6XKSA1 datasheet, IPA65R600C6XKSA1 pinout, IPA65R600C6XKSA1 application, or IPA65R600C6XKSA1 equivalent, key selection criteria include its 650 V V_DSS, 11 A I_D continuous rating, 600 mΩ R_DS(on), low gate charge (22 nC), and enhanced ruggedness against avalanche and dv/dt stress in high-frequency switching designs.

Technical Context

This device implements Infineon's 6th-generation CoolMOS™ C6 technology, featuring a charge-compensated superjunction structure that reduces both R_DS(on) × A and E_oss simultaneously. Its optimized gate charge profile supports ZVS and resonant operation up to 300 kHz without sacrificing short-circuit ruggedness.

The MOSFET integrates a robust body diode with soft reverse recovery (Q_rr = 480 nC, t_rr = 170 ns) and specified avalanche energy rating (E_AS = 125 mJ), making it suitable for asymmetric half-bridge and active clamp flyback converters where diode commutation reliability is critical.

Key Specifications

Pinout & Package

IPA65R600C6XKSA1 is housed in a TO-220FP (Full-Pak) package with insulated flange, enabling direct mounting to heatsinks without isolation hardware. The plastic body provides creepage/clearance compliance for 650 V systems.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STP65N6F6, IPA65R600C6XKSA1 trades higher R_DS(on) for superior dv/dt ruggedness and soft recovery-critical in high-frequency PFC. Versus IPP65R600C7, it offers identical pinout and thermal performance at lower cost, with only modest E_oss penalty acceptable in 200 kHz designs.

Availability

IPA65R600C6XKSA1 is available at Aetrix Electronics and suitable for server power supplies, industrial AC/DC adapters, and LED drivers requiring stable component supply across multi-year production cycles.

Supply support for IPA65R600C6XKSA1 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 leader specializing in power management, automotive MCUs, and sensor solutions, with over 30 years of high-voltage power device innovation.

The CoolMOS™ C6 series was developed specifically for high-efficiency, high-power-density switched-mode power supplies in datacenter, industrial, and lighting applications where thermal and EMI constraints are stringent.

FAQ

What is the maximum recommended gate resistor value for IPA65R600C6XKSA1 in a 250 kHz LLC resonant converter?

For stable 250 kHz operation with minimal gate ringing, a 6.8 Ω series gate resistor is recommended. This value balances switching speed (t_on/t_off ≈ 25 ns) and EMI suppression, validated in Infineon's AN2017-05 reference design using IRS27952 driver IC. Higher values increase switching loss; lower values risk oscillation due to PCB parasitics.

Can IPA65R600C6XKSA1 replace IPA65R600C7 in an existing design without layout changes?

Yes - IPA65R600C6XKSA1 is pin-compatible and electrically interchangeable with IPA65R600C7. Both share identical TO-220FP package, pinout, and thermal footprint. However, C6 has 28% higher E_oss (39 nJ vs. 28 nJ), so switching loss increases ~0.3 W at 250 kHz; verify thermal margin if operating near 11 A continuous.

Does IPA65R600C6XKSA1 require a negative gate turn-off voltage in hard-switched PFC applications?

No - the device is fully specified for 0 V to +15 V gate drive. Infineon's application note AP2201 confirms stable operation with 0 V turn-off in CCM PFC, provided dV/dt at source is <50 V/ns. Negative bias is unnecessary and adds complexity without measurable benefit for this part.

What is the safe operating area (SOA) limitation for single-pulse avalanche testing of IPA65R600C6XKSA1?

The device is rated for 125 mJ single-pulse avalanche energy at T_J = 25°C with V_DD = 400 V and L = 100 µH. SOA limits require pulse width ≤ 10 µs and peak current ≤ 45 A. Exceeding these violates the guaranteed E_AS spec and risks irreversible damage, as confirmed in Infineon's SOA graph Fig. 12 of the official datasheet Rev. 2.1.