TWM5J4K7 Equivalent & Substitute Parts

Part Overview

The TWM5J4K7 is a 4.7 kOhms ±5% 5W through-hole resistor with radial leads, manufactured by Ohmite using metal oxide film composition. This component features flame-proof and safety characteristics suitable for industrial and high-reliability applications. The part is currently classified as obsolete, making identification of compatible substitutes essential for ongoing maintenance, repair, and legacy system support.

Substiute Parts

TWM5J4K7

OhmiteIn Stock: 1220TWM5J4K7 Datasheet

Current PartRFQ

TWM5J4K7E

OhmiteIn Stock: 1131TWM5J4K7E Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the TWM5J4K7 is determined by strict equivalence across the following critical parameters:

• Resistance value: 4.7 kOhms
• Tolerance: ±5%
• Power rating: 5W
• Composition: Metal Oxide Film
• Package configuration: Radial with 2 terminations
• Physical dimensions: 0.492" L x 0.354" W, height 1.024" maximum
• Operating temperature range: -55°C ~ 275°C
• Temperature coefficient: ±350ppm/°C
• Features: Flame proof and safety rated

The TWM5J4K7E qualifies as a direct substitute based on complete alignment with all specified electrical and mechanical parameters.

Parameter Comparison

Engineering Selection Recommendations

The TWM5J4K7E is the direct equivalent for the obsolete TWM5J4K7. Both components are manufactured by Ohmite and share identical electrical specifications, mechanical dimensions, and performance characteristics across all critical parameters.

The primary distinction is product status and regulatory compliance. The TWM5J4K7E is currently in active production status, ensuring availability for new designs and replacement applications. Additionally, the TWM5J4K7E meets ROHS3 compliance requirements, whereas the original TWM5J4K7 is RoHS non-compliant. Both components maintain REACH Unaffected status and share the same ECCN and HTSUS classifications.

For applications requiring the 4.7 kOhms ±5% 5W radial resistor with metal oxide film composition and flame-proof safety features, the TWM5J4K7E provides full functional and mechanical compatibility with the obsolete part number.

Frequently Asked Questions (FAQ)

Q: Can TWM5J4K7E be used as a direct replacement for TWM5J4K7?

A: Yes. The TWM5J4K7E is electrically and mechanically identical to the TWM5J4K7 across all specified parameters, including resistance value, tolerance, power rating, composition, package type, dimensions, and operating temperature range.

Q: What is the difference between TWM5J4K7 and TWM5J4K7E?

A: The components are functionally equivalent. The TWM5J4K7E differs in product status (active versus obsolete) and RoHS compliance (ROHS3 compliant versus non-compliant). Physical and electrical characteristics are identical.

Q: Are the physical dimensions identical between these parts?

A: Yes. Both components have identical dimensions of 0.492" L x 0.354" W (12.50mm x 9.00mm) with a maximum seated height of 1.024" (26.00mm). Radial package configuration and lead termination are identical.

Q: Does the RoHS compliance difference affect substitution?

A: RoHS compliance status depends on application requirements. The TWM5J4K7E meets ROHS3 compliance, making it suitable for applications with RoHS mandates. The TWM5J4K7 is non-compliant. Electrical and mechanical performance are unaffected by this distinction.

Q: What is the operating temperature range for these resistors?

A: Both components operate across -55°C to 275°C with a temperature coefficient of ±350ppm/°C, providing stable performance across industrial and high-temperature applications.