IXFJ32N50 Equivalent & Substitute Parts

Part Overview

The IXFJ32N50 is an N-channel MOSFET in TO-220 packaging manufactured by IXYS. This device is classified as obsolete, indicating it is no longer in active production. Due to its obsolete status, locating original stock becomes increasingly difficult, making identification of functionally equivalent substitute components essential for ongoing system support, repairs, and new designs requiring compatible alternatives.

Substiute Parts

IXFJ32N50

IXYSIn Stock: 1139IXFJ32N50 Datasheet

Current PartRFQ

STW40N95K5

STMicroelectronicsIn Stock: 24220STW40N95K5 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the IXFJ32N50 is based on the following criteria derived from the provided parameters:

Primary Substitution Criteria:

• Device Type: N-Channel MOSFET
• Technology: Metal Oxide Semiconductor Field Effect Transistor
• Functional Category: High-voltage switching transistor
• Regulatory Compliance: ECCN EAR99 classification
• Moisture Sensitivity: MSL 1 (Unlimited)

Packaging Consideration: The IXFJ32N50 uses TO-220 packaging. The identified substitute, STW40N95K5, uses TO-247-3 packaging. While these are different physical packages, both are through-hole mounting types suitable for similar thermal management and circuit board integration approaches. Package selection depends on specific board layout and thermal requirements of the application.

Substitute Part Identified: STW40N95K5 (STMicroelectronics) qualifies as an equivalent substitute based on matching device category, technology type, and regulatory classification parameters.

Parameter Comparison

Engineering Selection Recommendations

Product Status Consideration: The IXFJ32N50 is obsolete, whereas the STW40N95K5 is active in production. Selection of an active product ensures long-term availability, ongoing manufacturer support, and access to technical documentation and datasheets.

Regulatory Compliance: Both parts share identical ECCN (EAR99) and HTSUS (8541.29.0095) classifications, confirming equivalent regulatory treatment for export and trade purposes.

Environmental Compliance: The STW40N95K5 carries ROHS3 compliance certification, meeting current environmental standards for electronic components. This status is not specified for the obsolete IXFJ32N50.

Moisture Sensitivity: Both devices maintain MSL 1 (Unlimited) rating, indicating no moisture sensitivity constraints during storage, handling, or assembly.

Package Transition: Substitution requires transition from TO-220 to TO-247-3 packaging. This change affects board layout, mounting hole spacing, and thermal interface design. Mechanical verification against PCB design is required before implementation.

Frequently Asked Questions (FAQ)

Q: Can the STW40N95K5 directly replace the IXFJ32N50 without circuit modification?

A: Both devices are N-Channel MOSFETs with matching regulatory classifications and moisture sensitivity ratings. However, the package change from TO-220 to TO-247-3 requires PCB layout modification. Electrical compatibility depends on the specific voltage and current requirements of the application, which are not fully specified for the IXFJ32N50 in the provided data.

Q: What is the primary reason for substituting the IXFJ32N50?

A: The IXFJ32N50 is classified as obsolete, meaning it is no longer manufactured. The STW40N95K5 is an active product from a major manufacturer, ensuring continued availability and technical support.

Q: Are there any compliance differences between these two parts?

A: Both parts share identical ECCN and HTSUS classifications. The STW40N95K5 includes ROHS3 compliance certification, which is not specified for the IXFJ32N50. This makes the STW40N95K5 suitable for applications requiring environmental compliance with current standards.

Q: How does the package change from TO-220 to TO-247-3 affect implementation?

A: TO-220 and TO-247-3 are both through-hole packages but have different physical dimensions and pin spacing. PCB redesign is necessary to accommodate the new package footprint. Thermal management characteristics may differ and should be evaluated based on application requirements.

Q: Is the STW40N95K5 the only available substitute?

A: Based on the provided input parameters, STW40N95K5 is the identified substitute. Additional alternatives may exist but are not included in the provided data.

Q: What electrical parameters should be verified before substitution?

A: The IXFJ32N50 datasheet specifications for drain-source voltage, continuous drain current, on-resistance, and gate charge should be compared against the STW40N95K5 specifications to confirm suitability for the specific application circuit.