RCH50S4R700JS06 Equivalent & Substitute Parts

Part Overview

The RCH50S4R700JS06 is a 4.7 Ohms ±5% 50W thick film chassis mount resistor manufactured by Vishay Sfernice. This fixed resistor is designed for high-power applications requiring reliable thermal dissipation through its aluminum oxide housing and flanged mounting configuration. The part is currently active in production with 844 units in stock. Substitute parts are identified when circuit designs require lower power ratings or when inventory constraints necessitate alternative sourcing while maintaining electrical and mechanical compatibility.

Substiute Parts

RCH50S4R700JS06

Vishay SferniceIn Stock: 916RCH50S4R700JS06 Datasheet

Current PartRFQ

RCH25S4R700JS06

Vishay SferniceIn Stock: 985RCH25S4R700JS06 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The RCH25S4R700JS06 is identified as a parametric equivalent to the RCH50S4R700JS06 based on the following substitution criteria:

Matching Parameters (Substitution Basis):

• Resistance value: 4.7 Ohms
• Tolerance: ±5%
• Composition: Thick Film
• Temperature Coefficient: ±150ppm/°C
• Operating Temperature Range: -55°C ~ 125°C
• Housing Type: Aluminum Oxide
• Mounting Feature: Flanges
• Lead Style: Solder Lugs
• Package Type: Radial, Rectangular Case
• RoHS Compliance: ROHS3 Compliant

Differing Parameter:

• Power Rating: 25W (versus 50W in main part)

The RCH25S4R700JS06 maintains electrical equivalence through identical resistance, tolerance, and thermal characteristics. The reduced power rating of 25W represents the primary distinction and determines applicability based on circuit power dissipation requirements.

Parameter Comparison

Engineering Selection Recommendations

Both the RCH50S4R700JS06 and RCH25S4R700JS06 are active production components with ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for electronic component manufacturing and deployment.

Selection between these parts is determined by circuit power dissipation requirements. The RCH50S4R700JS06 is specified for applications requiring 50W power handling capability. The RCH25S4R700JS06 is suitable for circuits where power dissipation does not exceed 25W at the 4.7 Ohm resistance value.

Both parts share identical electrical characteristics including resistance value, tolerance, temperature coefficient, and operating temperature range. Mechanical compatibility is maintained through identical mounting features, lead styles, and package configurations. The aluminum oxide housing and flanged mounting design are consistent across both variants.

Frequently Asked Questions (FAQ)

Q: Can the RCH25S4R700JS06 replace the RCH50S4R700JS06 in any application?

A: The RCH25S4R700JS06 can replace the RCH50S4R700JS06 only in applications where circuit power dissipation at 4.7 Ohms does not exceed 25W. Electrical characteristics are identical; the substitution is limited by power rating differences.

Q: Are the physical dimensions compatible between these two parts?

A: Both parts use identical mounting features (flanges) and lead styles (solder lugs). The RCH50S4R700JS06 has a length of 1.882" (47.80mm) and width of 0.610" (15.50mm). The RCH25S4R700JS06 has a length of 1.102" (28.00mm) and width of 0.551" (14.00mm). Height when seated is 0.602" (15.30mm) for both parts. Physical footprint differences must be evaluated for PCB layout compatibility.

Q: Do both parts meet the same compliance standards?

A: Both the RCH50S4R700JS06 and RCH25S4R700JS06 are ROHS3 compliant and REACH unaffected, meeting equivalent regulatory requirements.

Q: What is the temperature coefficient difference between these parts?

A: Both parts have an identical temperature coefficient of ±150ppm/°C and operate across the same temperature range of -55°C to 125°C.

Q: Are there inventory considerations for selecting between these parts?

A: The RCH25S4R700JS06 has 921 units in stock compared to 844 units for the RCH50S4R700JS06. Inventory availability may influence sourcing decisions when both parts meet application requirements.