IXKC40N60C N-Channel 600V 28A MOSFET Equivalent & Substitute Parts

Part Overview

The IXKC40N60C is an N-Channel 600V 28A MOSFET manufactured by IXYS in the CoolMOS™ series, housed in the ISOPLUS220™ package for through-hole mounting applications. This device is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing system support and new procurement requirements. The ISOPLUS220™ package and specific electrical characteristics define the substitution criteria for this component.

Substiute Parts

IXKC40N60C

IXYSIn Stock: 741IXKC40N60C Datasheet

Current PartRFQ

AOTF42S60L

Alpha & Omega Semiconductor Inc.In Stock: 1233AOTF42S60L Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the IXKC40N60C is determined by electrical parameter compatibility within the N-Channel MOSFET category. The critical substitution criteria are:

Electrical Compatibility Requirements:

• Drain to Source Voltage (Vdss): 600V minimum
• Continuous Drain Current (Id): Equal to or greater than 28A at 25°C
• Drive Voltage: 10V gate drive compatibility
• Rds On (Max): Equal to or lower than 95mOhm at specified conditions
• Gate Threshold Voltage (Vgs(th)): Within acceptable switching range
• Gate Charge (Qg): Lower values preferred for reduced switching losses
• Maximum Gate Voltage (Vgs): ±20V or greater

Mechanical and Environmental Compatibility:

• Through-hole mounting capability
• Operating temperature range: -55°C to 150°C minimum
• RoHS3 compliance
• MSL rating of 1 (Unlimited)

The AOTF42S60L from Alpha & Omega Semiconductor Inc. meets these electrical and environmental criteria, though it utilizes a different package form (TO-220-3F) rather than ISOPLUS220™.

Parameter Comparison

Engineering Selection Recommendations

IXKC40N60C Status Consideration: The IXKC40N60C is classified as obsolete, indicating discontinued manufacturing and limited availability. Procurement of this component for new applications is not feasible through standard distribution channels.

AOTF42S60L as Functional Equivalent: The AOTF42S60L provides electrical equivalence across all critical parameters: 600V Vdss rating, continuous drain current of 39A (exceeding the 28A requirement), 10V drive voltage compatibility, and comparable Rds On characteristics. Both devices maintain RoHS3 compliance and MSL rating of 1 (Unlimited).

Package Consideration: The primary difference between these devices is the package form. The IXKC40N60C uses ISOPLUS220™ while the AOTF42S60L uses TO-220-3F. Both are through-hole packages; however, physical footprint and thermal characteristics differ. PCB layout modifications may be required to accommodate the TO-220-3F package.

Product Status Context: The AOTF42S60L carries a "Not For New Designs" status, indicating it remains available but is not recommended for new development. For applications requiring the IXKC40N60C, the AOTF42S60L serves as a viable interim solution pending identification of actively supported alternatives from current product lines.

Frequently Asked Questions (FAQ)

Q: Can the AOTF42S60L directly replace the IXKC40N60C without circuit modifications?

A: Electrical substitution is valid based on voltage rating, current capacity, and gate drive characteristics. However, package differences (ISOPLUS220™ versus TO-220-3F) require PCB layout evaluation. Thermal management characteristics differ between packages and must be assessed for the specific application.

Q: What are the key electrical parameters that determine substitution compatibility?

A: The critical parameters are Drain to Source Voltage (600V minimum), Continuous Drain Current (28A minimum), Drive Voltage (10V compatibility), and Rds On characteristics (95mOhm maximum at specified conditions). Gate Charge and Input Capacitance affect switching performance but do not prevent substitution if the primary parameters are met.

Q: Does the higher gate charge of the IXKC40N60C (230 nC) versus the AOTF42S60L (40 nC) affect substitution?

A: Gate charge differences affect switching speed and driver power requirements. The AOTF42S60L's lower gate charge (40 nC) results in faster switching transitions and reduced driver dissipation. This is a performance advantage in most applications but requires driver circuit evaluation to ensure compatibility with existing gate drive circuitry.

Q: Are both devices RoHS3 compliant?

A: Yes, both the IXKC40N60C and AOTF42S60L are RoHS3 compliant with MSL rating of 1 (Unlimited), meeting environmental and regulatory requirements for industrial and commercial applications.

Q: What is the significance of the "Not For New Designs" status of the AOTF42S60L?

A: This status indicates the device remains in production and available for purchase but is not recommended for new product development. For legacy system support or replacement applications, it remains a valid choice. For new designs, consultation with the manufacturer for current-generation alternatives is advised.

Q: How do the input capacitance values differ, and does this matter?

A: The IXKC40N60C has 4800 pF input capacitance at 25V, while the AOTF42S60L has 2154 pF at 100V. Lower input capacitance in the AOTF42S60L reduces gate drive power requirements and improves switching performance. This difference is advantageous for high-frequency switching applications.

Q: Can the TO-220-3F package be mounted in the same PCB footprint as ISOPLUS220™?

A: No. These are distinct package forms with different pin configurations and thermal characteristics. ISOPLUS220™ is a three-pin isolated package, while TO-220-3F is a standard three-pin through-hole package. PCB redesign is required for package conversion.