RSMF3JB56K0 Equivalent & Substitute Parts

Part Overview

The RSMF3JB56K0 is a 56 kOhms ±5% 3W through-hole resistor manufactured by Stackpole Electronics Inc. This metal oxide film axial resistor features flame-proof and safety characteristics, designed for applications requiring reliable power dissipation in harsh thermal environments. The part is currently active in production with ROHS3 compliance and REACH unaffected status. Substitute parts are identified to provide procurement flexibility while maintaining identical electrical and mechanical specifications.

Substiute Parts

RSMF3JB56K0

Stackpole Electronics IncIn Stock: 747RSMF3JB56K0 Datasheet

Current PartRFQ

RSMF3JT56K0

Stackpole Electronics IncIn Stock: 1658RSMF3JT56K0 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RSMF3JB56K0 is determined by strict equivalence across the following critical parameters:

• Resistance value: 56 kOhms
• Tolerance: ±5%
• Power rating: 3W
• Composition: Metal Oxide Film
• Package configuration: Axial
• Temperature coefficient: ±200ppm/°C
• Operating temperature range: -55°C to 235°C
• Physical dimensions: 0.217" Dia × 0.591" L
• Termination count: 2
• Compliance certifications: ROHS3, REACH unaffected

The identified substitute part maintains all electrical and mechanical specifications identical to the main part. The only difference is packaging format, which does not affect functional performance in circuit applications.

Parameter Comparison

Engineering Selection Recommendations

Both RSMF3JB56K0 and RSMF3JT56K0 are functionally equivalent and maintain active production status. Selection between these parts should be based on procurement and assembly requirements:

The RSMF3JB56K0 in bulk packaging is suitable for high-volume applications where component handling and tape removal are managed through internal processes. The RSMF3JT56K0 in cut tape packaging provides pre-formatted delivery for automated pick-and-place assembly systems.

Both parts satisfy ROHS3 compliance and REACH unaffected requirements, ensuring regulatory compatibility across global markets. The identical electrical specifications, thermal characteristics, and physical dimensions guarantee direct functional interchangeability in circuit designs.

Frequently Asked Questions (FAQ)

Q: Can RSMF3JT56K0 replace RSMF3JB56K0 in existing designs?

A: Yes. Both parts are electrically and mechanically identical. The only difference is packaging format (cut tape versus bulk). Circuit performance is unaffected by this distinction.

Q: Are there any thermal performance differences between these parts?

A: No. Both parts share identical temperature coefficient (±200ppm/°C) and operating temperature range (-55°C to 235°C). Thermal behavior in circuit applications is equivalent.

Q: Do both parts meet the same compliance standards?

A: Yes. Both RSMF3JB56K0 and RSMF3JT56K0 are ROHS3 compliant and REACH unaffected, meeting identical regulatory requirements.

Q: What determines substitution eligibility for this resistor?

A: Substitution is valid when resistance value, tolerance, power rating, composition, package type, temperature coefficient, operating temperature range, physical dimensions, and compliance certifications remain identical. These parts meet all criteria.

Q: Does packaging format affect circuit performance?

A: No. Packaging format (bulk or cut tape) is a supply chain consideration only. Once installed in a circuit, both parts perform identically.