RSMF3JA220R Equivalent & Substitute Parts

Part Overview

The RSMF3JA220R is a 220 Ohms ±5% 3W through hole resistor manufactured by Stackpole Electronics Inc. This axial metal oxide film resistor features flame proof and safety characteristics, designed for applications requiring reliable power dissipation in the 3-watt range. The part is currently in active production status with 788 units in stock. Substitute parts are identified to provide alternative sourcing options while maintaining identical electrical and mechanical specifications.

Substiute Parts

RSMF3JA220R

Stackpole Electronics IncIn Stock: 873RSMF3JA220R Datasheet

Current PartRFQ

RSMF3JA220R-C1

Stackpole Electronics IncIn Stock: 848RSMF3JA220R-C1 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RSMF3JA220R are identified based on strict equivalence across all critical electrical and mechanical parameters. The substitution criteria are:

• Resistance value: 220 Ohms
• Tolerance: ±5%
• Power rating: 3W
• Composition: Metal Oxide Film
• Package: Axial configuration
• Temperature coefficient: ±200ppm/°C
• Operating temperature range: -55°C to 235°C
• Physical dimensions: 0.217" Dia x 0.591" L (5.50mm x 15.00mm)
• Compliance: ROHS3 Compliant, REACH Unaffected

Parts meeting all these parameters are classified as parametric equivalents and direct substitutes.

Parameter Comparison

Engineering Selection Recommendations

Both RSMF3JA220R and RSMF3JA220R-C1 are active production parts from Stackpole Electronics Inc with identical electrical and mechanical specifications. Both parts maintain ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements. Selection between these parts may be based on inventory availability, with RSMF3JA220R-C1 currently showing 804 units in stock compared to 788 units for the primary part number.

Frequently Asked Questions (FAQ)

Q: Can RSMF3JA220R-C1 be used as a direct replacement for RSMF3JA220R?

A: Yes. RSMF3JA220R-C1 is a parametric equivalent with identical resistance, tolerance, power rating, composition, package type, temperature characteristics, and physical dimensions. No circuit modifications are required.

Q: Are there any differences in compliance or certifications between these parts?

A: No. Both parts carry identical ROHS3 compliance and REACH unaffected status.

Q: What determines if a part is a valid substitute?

A: Valid substitutes must match all critical parameters: 220 Ohms resistance, ±5% tolerance, 3W power rating, metal oxide film composition, axial package configuration, ±200ppm/°C temperature coefficient, -55°C to 235°C operating range, and 5.50mm x 15.00mm physical dimensions.

Q: Can these parts be used in high-temperature applications?

A: Yes. Both parts are rated for continuous operation up to 235°C, suitable for high-temperature circuit applications within this specification.

Q: Are the physical dimensions identical for PCB layout purposes?

A: Yes. Both parts share identical axial dimensions of 0.217" diameter by 0.591" length (5.50mm x 15.00mm), ensuring identical PCB footprint requirements.