RSF2JB4R70 Equivalent & Substitute Parts

Part Overview

The RSF2JB4R70 is a 4.7 Ohm ±5% 2W axial through-hole resistor manufactured by Stackpole Electronics Inc. This metal oxide film resistor features flame retardant coating and safety design, operating across -55°C to 235°C. The part is Active status with 1115 units in stock. Substitute parts are necessary to accommodate different packaging requirements, enhanced specifications, or alternative sourcing needs while maintaining electrical and mechanical compatibility.

Substiute Parts

RSF2JB4R70

Stackpole Electronics IncIn Stock: 1146RSF2JB4R70 Datasheet

Current PartRFQ

RSF2JT4R70

Stackpole Electronics IncIn Stock: 2334RSF2JT4R70 Datasheet

DirectRFQ

RSMF3JT4R70

Stackpole Electronics IncIn Stock: 1694RSMF3JT4R70 Datasheet

UpgradeRFQ

RSMF2JB4R70

Stackpole Electronics IncIn Stock: 1040RSMF2JB4R70 Datasheet

MFR RecommendedRFQ

RSMF2JT4R70

Stackpole Electronics IncIn Stock: 20494RSMF2JT4R70 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by matching the following core parameters: resistance value (4.7 Ohms), tolerance (±5%), composition (metal oxide film), and axial package type. Variations in packaging format (Bulk vs. Cut Tape), physical dimensions, power rating, and flame protection features define substitute categories.

Direct Substitutes maintain identical electrical specifications and differ only in packaging format.

Upgrade Substitutes increase power rating or enhance flame protection while preserving all other electrical parameters.

Manufacturer Recommended Substitutes offer alternative packaging with modified physical dimensions but equivalent electrical performance.

Parameter Comparison

Engineering Selection Recommendations

All substitute parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory compatibility with the original RSF2JB4R70.

RSF2JT4R70 provides direct electrical equivalence with identical physical dimensions (5.50 x 15.00 mm) and differs only in packaging format (Cut Tape vs. Bulk). Selection depends on assembly process requirements.

RSMF series parts (RSMF2JB4R70, RSMF2JT4R70, RSMF3JT4R70) feature flame proof protection versus flame retardant coating and employ reduced physical dimensions (4.50 x 11.00 mm for 2W ratings). These are suitable for applications requiring enhanced flame protection or space-constrained layouts.

RSMF3JT4R70 provides increased power rating (3W) while maintaining 4.7 Ohm resistance and ±5% tolerance. Selection is appropriate for applications requiring higher power dissipation capacity.

Frequently Asked Questions (FAQ)

Q: Can RSF2JT4R70 replace RSF2JB4R70 directly? A: Yes. Both parts share identical electrical specifications (4.7 Ω, ±5%, 2W, metal oxide film) and physical dimensions (5.50 x 15.00 mm). The difference is packaging format: RSF2JT4R70 is supplied in Cut Tape while RSF2JB4R70 is Bulk. Selection depends on assembly equipment compatibility.

Q: What is the difference between RSF and RSMF series? A: RSF series features flame retardant coating; RSMF series features flame proof protection. RSMF parts also use reduced physical dimensions (4.50 x 11.00 mm vs. 5.50 x 15.00 mm for equivalent power ratings). Electrical specifications remain identical.

Q: Can RSMF3JT4R70 (3W) replace RSF2JB4R70 (2W)? A: Yes, from an electrical standpoint. RSMF3JT4R70 maintains 4.7 Ohm resistance and ±5% tolerance. The 3W rating provides higher power dissipation capacity. Physical dimensions differ (5.50 x 15.00 mm), requiring verification of PCB layout compatibility.

Q: Are all substitute parts ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH unaffected status, matching the original RSF2JB4R70 regulatory profile.

Q: Which substitute offers the highest inventory availability? A: RSMF2JT4R70 provides the highest stock level at 20434 units, followed by RSF2JT4R70 at 2259 units.