RC2012F4751CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F4751CS is a 4.75 kOhms ±1% 0.125W thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This component is classified as Active product status with moisture-resistant characteristics and unlimited moisture sensitivity level (MSL 1). The part is supplied in Tape & Reel packaging and maintains full ROHS3 compliance with REACH unaffected status.

Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing due to inventory constraints, supply chain disruptions, or specific application requirements such as automotive qualification or enhanced pulse withstanding capabilities.

Substiute Parts

RC2012F4751CS

Samsung Electro-MechanicsIn Stock: 900RC2012F4751CS Datasheet

Current PartRFQ

CR0805-FX-4751ELF

Bourns Inc.In Stock: 51510CR0805-FX-4751ELF Datasheet

DirectRFQ

ERJ-6ENF4751V

Panasonic Electronic ComponentsIn Stock: 553930ERJ-6ENF4751V Datasheet

DirectRFQ

RC0805FR-074K75L

YAGEOIn Stock: 334705RC0805FR-074K75L Datasheet

DirectRFQ

RC0805FR-074K75P

YAGEOIn Stock: 8498RC0805FR-074K75P Datasheet

DirectRFQ

RMCF0805FT4K75

Stackpole Electronics IncIn Stock: 397698RMCF0805FT4K75 Datasheet

DirectRFQ

AC0805FR-074K75L

YAGEOIn Stock: 18325AC0805FR-074K75L Datasheet

SimilarRFQ

CRCW08054K75FKEA

Vishay DaleIn Stock: 175508CRCW08054K75FKEA Datasheet

SimilarRFQ

CRCW08054K75FKEAHP

Vishay DaleIn Stock: 10581CRCW08054K75FKEAHP Datasheet

SimilarRFQ

CRCW08054K75FKTA

Vishay DaleIn Stock: 34150CRCW08054K75FKTA Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts are classified into two categories based on electrical and mechanical parameter alignment with the RC2012F4751CS:

Direct Substitutes maintain identical electrical specifications (4.75 kOhms, ±1% tolerance, 0.125W power rating) and mechanical compatibility (0805 package, 2.00mm x 1.25mm dimensions, 2 terminations). These parts differ only in manufacturer, series designation, or minor physical characteristics such as seated height (ranging 0.020" to 0.028") that do not affect circuit performance or PCB assembly.

Similar Substitutes share the same core electrical parameters and package format but include additional features or certifications not present in the main part. These include automotive AEC-Q200 qualification, enhanced pulse withstanding capability, or alternative packaging formats (Cut Tape vs. Tape & Reel). One similar substitute (CRCW08054K75FKEAHP) features increased power rating (0.5W instead of 0.125W), which provides functional compatibility through over-specification.

Substitution logic is based strictly on:

• Resistance value: 4.75 kOhms (exact match required)
• Tolerance: ±1% (exact match required)
• Power rating: 0.125W minimum (equal or higher acceptable)
• Package: 0805 (2012 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• Temperature coefficient: ±100ppm/°C (exact match required)
• Operating temperature: -55°C ~ 155°C (exact match required)

Parameter Comparison

Engineering Selection Recommendations

For Standard Applications (Non-Automotive):

Direct substitutes CR0805-FX-4751ELF (Bourns), RC0805FR-074K75L (YAGEO), and RC0805FR-074K75P (YAGEO) provide equivalent performance to the RC2012F4751CS. All maintain ROHS3 compliance, identical electrical specifications, and moisture-resistant characteristics. Selection among these options is based on inventory availability and packaging preference (Tape & Reel vs. Cut Tape & Digi-Reel).

For Automotive Applications (AEC-Q200 Required):

ERJ-6ENF4751V (Panasonic), RMCF0805FT4K75 (Stackpole), AC0805FR-074K75L (YAGEO), and CRCW08054K75FKEA (Vishay Dale) provide automotive-grade qualification. All maintain identical electrical parameters and ROHS3 compliance. CRCW08054K75FKTA (Vishay Dale) offers automotive qualification but carries RoHS non-compliant status and REACH affected designation, limiting applicability to legacy or non-regulated designs.

For High-Reliability or Pulse-Sensitive Applications:

CRCW08054K75FKEAHP (Vishay Dale) provides enhanced pulse withstanding capability with 0.5W power rating while maintaining 0805 package compatibility. This over-specification ensures margin in applications subject to transient voltage events. Automotive AEC-Q200 qualification and ROHS3 compliance are included.

All recommended substitutes maintain the critical parameters: 4.75 kOhms resistance, ±1% tolerance, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, and MSL 1 moisture sensitivity level.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC2012F4751CS with a part having different power rating?

A: Yes, substitution with higher power rating is acceptable. CRCW08054K75FKEAHP (0.5W) is functionally compatible with RC2012F4751CS (0.125W) applications. Lower power ratings are not acceptable as they do not meet minimum power dissipation requirements.

Q: Are all substitute parts compatible with the same PCB footprint?

A: Yes. All listed substitutes use 0805 (2012 Metric) package with identical 2.00mm x 1.25mm dimensions and 2 terminations. Seated height variations (0.50mm to 0.70mm maximum) do not affect PCB assembly compatibility.

Q: What is the difference between Direct and Similar substitutes?

A: Direct substitutes (CR0805-FX-4751ELF, ERJ-6ENF4751V, RC0805FR-074K75L, RC0805FR-074K75P, RMCF0805FT4K75) match all electrical and mechanical specifications of RC2012F4751CS. Similar substitutes (AC0805FR-074K75L, CRCW08054K75FKEA, CRCW08054K75FKEAHP, CRCW08054K75FKTA) include additional certifications or features such as automotive AEC-Q200 qualification or pulse withstanding capability.

Q: Which substitute should I use for automotive applications?

A: ERJ-6ENF4751V, RMCF0805FT4K75, AC0805FR-074K75L, CRCW08054K75FKEA, and CRCW08054K75FKEAHP all carry AEC-Q200 automotive qualification. CRCW08054K75FKTA is not recommended due to RoHS non-compliance and REACH affected status.

Q: Does moisture resistance affect substitution compatibility?

A: Moisture resistance is a feature, not a substitution requirement. RC2012F4751CS includes moisture-resistant characteristics. Substitutes without explicit moisture-resistant designation (RC0805FR-074K75P, CRCW08054K75FKEAHP, CRCW08054K75FKTA) remain functionally compatible but may differ in long-term reliability under high-humidity storage conditions.

Q: Are all substitutes ROHS3 compliant?

A: Nine of ten listed substitutes are ROHS3 compliant. CRCW08054K75FKTA is RoHS non-compliant and REACH affected, restricting use to applications without regulatory compliance requirements.

Q: What is the significance of temperature coefficient ±100ppm/°C?

A: All listed parts, including RC2012F4751CS, maintain identical temperature coefficient. This parameter determines resistance drift across the -55°C to 155°C operating range and is critical for precision analog circuits. Substitution requires exact match.

Q: Can I use CRCW08054K75FKEAHP in place of RC2012F4751CS?

A: Yes. CRCW08054K75FKEAHP is functionally compatible with over-specification in power rating (0.5W vs. 0.125W) and includes pulse withstanding capability. This substitution is appropriate for applications requiring enhanced transient protection or higher reliability margins.