Vishay Dale CW0052R500JS73 Equivalent & Substitute Parts

Part Overview

The Vishay Dale CW0052R500JS73 is a 2.5 Ohm, 6.5W wirewound axial resistor with ±5% tolerance, designed for through-hole applications requiring moisture resistance. The component operates across a temperature range of -65°C to 350°C with a temperature coefficient of ±50ppm/°C. As an active product, this resistor serves applications demanding stable resistance performance in harsh environmental conditions. Substitute parts are identified to address packaging format availability and compliance requirements while maintaining identical electrical and mechanical specifications.

Substiute Parts

CW0052R500JS73

Vishay DaleIn Stock: 742CW0052R500JS73 Datasheet

Current PartRFQ

CW0052R500JE73

Vishay DaleIn Stock: 1597CW0052R500JE73 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CW0052R500JS73 is determined by the following critical parameters:

• Resistance value: 2.5 Ohms
• Tolerance: ±5%
• Power rating: 6.5W
• Composition: Wirewound
• Package configuration: Axial
• Temperature coefficient: ±50ppm/°C
• Operating temperature range: -65°C to 350°C
• Moisture resistance feature
• Physical dimensions: 0.312" Dia x 0.875" L

The identified substitute part maintains all electrical specifications and mechanical dimensions. The primary difference lies in packaging format (Cut Tape versus Tape & Reel) and regulatory compliance status, which do not affect functional performance in the application.

Parameter Comparison

Engineering Selection Recommendations

Both the CW0052R500JS73 and CW0052R500JE73 are functionally equivalent for circuit applications requiring 2.5 Ohm, 6.5W wirewound resistors with axial configuration. Selection between these parts should be based on:

Packaging format requirements: The main part is supplied in Tape & Reel format suitable for automated assembly processes, while the substitute is supplied in Cut Tape format suitable for manual or lower-volume assembly operations.

Regulatory compliance: The substitute part CW0052R500JE73 carries ROHS3 compliance and REACH Unaffected status, making it the appropriate choice for applications subject to these regulatory frameworks. The main part is RoHS non-compliant and REACH Affected.

Inventory and lead time: Selection may be influenced by current stock availability and procurement timelines for each packaging format.

Frequently Asked Questions (FAQ)

Q: Can CW0052R500JE73 be used as a direct replacement for CW0052R500JS73 in existing designs?

A: Yes. Both parts are electrically and mechanically identical, with the same resistance value, tolerance, power rating, temperature coefficient, and operating temperature range. The difference in packaging format (Cut Tape versus Tape & Reel) does not affect circuit performance.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Tape & Reel packaging supplies components on continuous tape wound on reels, optimized for high-volume automated assembly. Cut Tape packaging supplies components on tape segments, suitable for manual assembly or lower-volume production runs. Both formats contain the same component.

Q: Are there compliance differences between these parts?

A: Yes. The CW0052R500JE73 substitute is ROHS3 compliant and REACH Unaffected, while the main part CW0052R500JS73 is RoHS non-compliant and REACH Affected. For applications requiring regulatory compliance with these standards, the substitute part is the appropriate selection.

Q: Do the physical dimensions differ between these parts?

A: Dimensions are essentially identical. Both parts measure 0.312" diameter by 0.875" length. The substitute shows a nominal dimension of 22.23mm length compared to 22.22mm for the main part, representing a negligible tolerance variation within normal manufacturing specifications.

Q: Which part should be selected for new designs?

A: For new designs, the CW0052R500JE73 is recommended due to its ROHS3 compliance and REACH Unaffected status, ensuring compatibility with current regulatory requirements. The packaging format should be selected based on assembly process requirements.