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Home > Products > Discrete Semiconductor Products > Transistors > FETs, MOSFETs > FETs, MOSFETs

Infineon Technologies IPZ60R125P6FKSA1

Name: IPZ60R125P6FKSA1
Brand: Infineon Technologies
SKU: IPZ60R125P6FKSA1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: IPZ60R125P6FKSA1

Manufacturer:: Infineon Technologies

Category:: FETs, MOSFETs

Package:: TO-247-4

Datasheet:: IPZ60R125P6FKSA1.pdf

Description:: MOSFET N-CH 600V 37.9A TO247-4

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Product details

Overview

IPZ60R125P6FKSA1 from Infineon Technologies is a 600 V, 125 mΩ R_DS(on) superjunction N-channel power MOSFET in the CoolMOS™ P6 family, featuring Kelvin source (4-pin TO-247) for gate control stability, 56 nC total gate charge, and 87 A pulsed drain current. It is engineered for high-efficiency hard-switching and resonant topologies in server power supplies and telecom rectifiers.

For engineers reviewing the IPZ60R125P6FKSA1 datasheet, IPZ60R125P6FKSA1 pinout, IPZ60R125P6FKSA1 application, or IPZ60R125P6FKSA1 equivalent, key selection criteria include its 0.57 °C/W R_thJC, 250 A/µs body diode di/dt rating, 7.2 µJ E_oss at 400 V, dv/dt ruggedness up to 100 V/ns, and industrial-grade JEDEC qualification.

Technical Context

This device implements Infineon's superjunction architecture with a 4-pin Kelvin source configuration-separating power source (Pin 2) from driver source (Pin 3)-to minimize gate loop inductance and suppress oscillation during fast switching. Its low R_DS(on) × Q_g figure-of-merit (125 mΩ × 56 nC) enables high-frequency operation while maintaining low conduction and switching losses.

The MOSFET delivers robust commutation capability with 250 A/µs body diode di/dt rating and 15 V/ns reverse diode dv/dt tolerance, supporting reliable operation in PFC boost stages and LLC resonant converters where synchronous rectification or bidirectional current flow occurs.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	600 V - rated blocking voltage for primary-side switching in 400 V DC bus applications
R_DS(on), max	125 mΩ at T_j = 25°C - defines conduction loss in continuous current paths (e.g., PFC output stage)
Q_g, typ	56 nC - determines gate drive power requirement and switching speed under 13 V gate drive
E_oss @ 400 V	7.2 µJ - quantifies energy lost during turn-on due to output capacitance discharge
I_D,pulse	87 A - supports short-duration overload conditions without thermal runaway
R_thJC	0.57 °C/W - enables direct heatsink mounting with predictable junction-to-case thermal drop
Body diode di/dt	250 A/µs - ensures safe commutation in hard-switched totem-pole PFC and ZVS transitions

Pinout & Package

Package: PG-TO247-4 - 4-pin through-hole package with isolated Kelvin source terminal for precise gate control and reduced Miller effect.

Pin/Terminal	Circuit Role	Design Meaning
Pin 1	Drain	Main high-voltage power terminal connected to DC bus or transformer primary
Pin 2	Power Source	High-current source return path for main power loop
Pin 3	Driver Source	Dedicated low-inductance gate return for stable turn-on/turn-off timing
Pin 4	Gate	Control input referenced to Driver Source (Pin 3), not Power Source (Pin 2)

Key Features

Feature	Design Value
Kelvin source configuration	Separates gate drive return (Pin 3) from power return (Pin 2), eliminating source inductance impact on switching edge fidelity
dv/dt ruggedness	100 V/ns - prevents false turn-on during high dV/dt transients in bridge-leg configurations
Low R_DS(on)/package	125 mΩ in TO-247-4 - achieves higher power density than standard 3-pin equivalents without derating
Industrial qualification	JEDEC J-STD-020 & JESD22 compliant - validated for 150°C continuous operation in harsh environments
Halogen-free & Pb-free	Mold compound and plating meet RoHS and ELV requirements for global deployment

Applications

Server PSU PFC Stage

Telecom Rectifier Module

Use Scenario: Boost converter operating at 100 kHz in 3 kW front-end AC-DC supply for datacenter servers.

IC Role / Device Role / Timing Role: High-side switch in continuous conduction mode (CCM) PFC, handling 30 A RMS input current.

Use Value: 125 mΩ R_DS(on) and 7.2 µJ E_oss reduce total losses by >12% vs. prior-generation CoolMOS™ P5 at same power level.

Use Scenario: 48 V output rectifier with active clamp forward topology in 2 kW telecom power system.

IC Role / Device Role / Timing Role: Primary-side switch managing 400 V DC link with 50–100 kHz switching frequency.

Use Value: 250 A/µs body diode di/dt rating ensures clean zero-voltage switching during clamp reset phase.

UPS Inverter Stage

Industrial Motor Drive Input Stage

Use Scenario: Two-level IGBT/MOSFET hybrid inverter in 5 kVA online UPS with battery backup.

IC Role / Device Role / Timing Role: Fast-switching high-side switch in half-bridge leg, operating with 10 µs dead time.

Use Value: 100 V/ns dv/dt ruggedness prevents spurious turn-on during bus transients caused by IGBT switching elsewhere in system.

Use Scenario: Input rectifier and DC-link chopper in 7.5 kW variable frequency drive for HVAC compressors.

IC Role / Device Role / Timing Role: Hard-switched PWM switch in DC-link regulation circuit, cycling at 16 kHz.

Use Value: 0.57 °C/W R_thJC allows direct mounting to shared heatsink with IGBT modules, simplifying thermal design.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
IPW60R099P6	Lower R_DS(on) (99 mΩ), higher Q_g (72 nC), same 600 V rating and Kelvin source	Better conduction loss but slower switching; suited for lower-frequency, higher-current PFC	Select when thermal margin is constrained and switching frequency ≤ 65 kHz
IPP60R125P6	Same R_DS(on) and Q_g, but 3-pin TO-220 package without Kelvin source	No driver-source separation; higher gate oscillation risk in high-dV/dt layouts	Select only for cost-sensitive, non-critical 50–75 kHz designs with conservative layout practices

Compared with IPW60R099P6 and IPP60R125P6, IPZ60R125P6FKSA1 uniquely balances low conduction loss, fast switching, and gate drive stability via its 4-pin Kelvin source-making it optimal for compact, high-density 100+ kHz PFC and resonant converters where layout parasitics cannot be fully mitigated.

Availability

IPZ60R125P6FKSA1 is available at Aetrix Electronics and suitable for server power supplies, telecom rectifiers, and UPS inverters requiring stable component supply and long-term industrial lifecycle support.

Supply support for IPZ60R125P6FKSA1 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, and industrial control ICs and discrete devices.

The CoolMOS™ P6 product line targets high-efficiency, high-power-density AC-DC conversion systems-including computing, telecom, and industrial SMPS-by optimizing superjunction MOSFETs for both conduction and switching loss trade-offs.

FAQ

What is the purpose of the fourth pin (Driver Source) in IPZ60R125P6FKSA1?

The fourth pin is the dedicated Driver Source terminal, electrically isolated from the Power Source (Pin 2). It provides a low-inductance return path for gate drive current, eliminating source inductance-induced voltage spikes that distort gate waveforms and cause erratic switching behavior-especially critical in high-dv/dt, high-frequency applications like totem-pole PFC.

Can IPZ60R125P6FKSA1 replace standard 3-pin TO-247 MOSFETs in existing designs?

Direct replacement is not recommended without layout revision. The Kelvin source requires separate routing of the gate driver return path to Pin 3, not the main source (Pin 2). Using Pin 2 as gate return reintroduces source inductance, negating the device's key advantage and risking oscillation or shoot-through in fast-switching circuits.

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

Based on datasheet test conditions (RG = 1.7 Ω), the maximum recommended RG is 4.7 Ω for 100 kHz operation with 13 V gate drive. Higher values increase switching time and losses; lower values risk gate ringing. For paralleling, individual 10 Ω gate resistors per device plus ferrite beads are advised to dampen cross-talk.

Does IPZ60R125P6FKSA1 require special PCB layout considerations?

Yes. Critical layout rules include: (1) star grounding of Driver Source (Pin 3) directly to gate driver IC ground, (2) minimizing loop area between Gate (Pin 4) and Driver Source (Pin 3), (3) keeping Power Source (Pin 2) and Drain (Pin 1) traces wide and short for thermal and current handling, and (4) avoiding shared copper pours between power and gate return paths to prevent coupling.

IPZ60R125P6FKSA1 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: CoolMOS™ P6

Package/Case:: TO-247-4

Packaging:: Tube

Product Status:: Obsolete

FET Type:: N-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 600 V

Current - Continuous Drain (Id) @ 25°C:: 37.9A (Tc)

Drive Voltage (Max Rds On, Min Rds On):: 10V

Rds On (Max) @ Id, Vgs:: 99mOhm @ 14.5A, 10V

Vgs(th) (Max) @ Id:: 4.5V @ 1.21mA

Gate Charge (Qg) (Max) @ Vgs:: 70 nC @ 10 V

Vgs (Max):: ±20V

Input Capacitance (Ciss) (Max) @ Vds:: 3330 pF @ 100 V

FET Feature:: -

Power Dissipation (Max):: 219W (Tc)

Operating Temperature:: -55°C ~ 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: PG-TO247-4

IPZ60R125P6FKSA1 FAQ

1.How can I place an order for IPZ60R125P6FKSA1 through Aetrix?

Please submit a Request for Quotation (RFQ) for IPZ60R125P6FKSA1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for IPZ60R125P6FKSA1 reliable?

The price and inventory of IPZ60R125P6FKSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for IPZ60R125P6FKSA1 is usually 5 days.

3.What payment methods are accepted for IPZ60R125P6FKSA1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for IPZ60R125P6FKSA1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for IPZ60R125P6FKSA1?

IPZ60R125P6FKSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your IPZ60R125P6FKSA1 order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for IPZ60R125P6FKSA1?

For technical support, including IPZ60R125P6FKSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your IPZ60R125P6FKSA1 requirements.

6.How does Aetrix verify that IPZ60R125P6FKSA1 is sourced from the original manufacturer or authorized distributors?

All IPZ60R125P6FKSA1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that IPZ60R125P6FKSA1 meets industry standards.

7.What is the process for return or replacement of IPZ60R125P6FKSA1?

All IPZ60R125P6FKSA1 units undergo pre-shipment inspection (PSI). If there is an issue with IPZ60R125P6FKSA1, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The IPZ60R125P6FKSA1 part is unused and in its original packaging.

Return procedure for IPZ60R125P6FKSA1:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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