RS01A4R700FS70 Equivalent & Substitute Parts

Part Overview

The RS01A4R700FS70 is a 4.7 Ohm, 1W wirewound axial resistor manufactured by Vishay Dale. This through-hole component features moisture-resistant construction with ±1% tolerance and operates across a temperature range of -65°C to 250°C. The part is currently active in production with 1908 units available in stock. Substitute parts are identified to address inventory availability, compliance requirements, or specific application needs while maintaining electrical and mechanical compatibility.

Substiute Parts

RS01A4R700FS70

Vishay DaleIn Stock: 1947RS01A4R700FS70 Datasheet

Current PartRFQ

RS01A4R700FE70

Vishay DaleIn Stock: 3239RS01A4R700FE70 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RS01A4R700FS70 is determined by the following critical parameters:

• Resistance value: 4.7 Ohms (exact match required)
• Tolerance: ±1% (exact match required)
• Power rating: 1W (exact match required)
• Composition: Wirewound (exact match required)
• Package type: Axial (exact match required)
• Physical dimensions: 0.094" Dia x 0.406" L (exact match required)
• Temperature coefficient: ±50ppm/°C (exact match required)
• Operating temperature range: -65°C ~ 250°C (exact match required)
• Moisture resistance: Required feature (exact match required)

The RS01A4R700FE70 meets all substitution criteria as a direct equivalent from the same manufacturer series, with identical electrical specifications and physical characteristics.

Parameter Comparison

Engineering Selection Recommendations

Both the RS01A4R700FS70 and RS01A4R700FE70 are functionally equivalent and interchangeable in circuit applications requiring a 4.7 Ohm, 1W wirewound axial resistor with ±1% tolerance and moisture-resistant construction.

The RS01A4R700FE70 offers compliance advantages: it is ROHS3 compliant and REACH unaffected, whereas the RS01A4R700FS70 is RoHS non-compliant and REACH affected. Selection between these parts should be based on regulatory requirements applicable to the end application and target market.

Both parts maintain identical electrical performance, thermal characteristics, and physical form factor, ensuring direct substitution without circuit redesign or PCB layout modification.

Frequently Asked Questions (FAQ)

Q: Can RS01A4R700FE70 be used as a direct replacement for RS01A4R700FS70?

A: Yes. Both parts are electrically and mechanically identical, with matching resistance values, tolerance, power rating, temperature coefficient, operating temperature range, and physical dimensions. Direct substitution is possible without circuit modification.

Q: What is the difference between these two part numbers?

A: The primary differences are compliance certifications. RS01A4R700FE70 is ROHS3 compliant and REACH unaffected, while RS01A4R700FS70 is RoHS non-compliant and REACH affected. Electrical and mechanical specifications are identical.

Q: Are the physical dimensions identical?

A: Yes. Both parts share the same axial package dimensions of 0.094" diameter by 0.406" length (2.39mm x 10.31mm), ensuring identical PCB footprint and mounting compatibility.

Q: Which part should I select for new designs?

A: Selection depends on regulatory compliance requirements. For applications requiring RoHS3 compliance or REACH compliance, specify RS01A4R700FE70. Both parts are active in production and available in stock.

Q: Do these parts have the same temperature operating range?

A: Yes. Both parts operate across -65°C to 250°C with an identical temperature coefficient of ±50ppm/°C.