RC2012F1780CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F1780CS is a 178 Ohm ±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 RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). The part is supplied in Tape & Reel packaging with 657 pieces currently in stock. Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing, inventory optimization, or manufacturer-specific qualification needs while maintaining identical electrical and mechanical performance specifications.

Substiute Parts

RC2012F1780CS

Samsung Electro-MechanicsIn Stock: 691RC2012F1780CS Datasheet

Current PartRFQ

RC0805FR-07178RL

YAGEOIn Stock: 41574RC0805FR-07178RL Datasheet

DirectRFQ

CRCW0805178RFKEA

Vishay DaleIn Stock: 27865CRCW0805178RFKEA Datasheet

SimilarRFQ

ERJ-6ENF1780V

Panasonic Electronic ComponentsIn Stock: 73265ERJ-6ENF1780V Datasheet

SimilarRFQ

RMCF0805FT178R

Stackpole Electronics IncIn Stock: 829RMCF0805FT178R Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC2012F1780CS is determined by strict equivalence across the following critical parameters: resistance value (178 Ohms), tolerance (±1%), power rating (0.125W), package format (0805 / 2012 Metric), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and compliance certifications (RoHS3, REACH Unaffected). All identified substitute parts meet these core electrical and mechanical requirements. Substitute parts are grouped into two categories: Direct equivalents maintain identical feature sets to the main part, while similar substitutes provide equivalent electrical performance with additional automotive-grade qualifications (AEC-Q200) that do not compromise compatibility in standard applications.

Parameter Comparison

Engineering Selection Recommendations

All identified substitute parts maintain full electrical and mechanical compatibility with the RC2012F1780CS. Selection among equivalent options is based on availability, supply chain requirements, and application-specific qualifications. The RC0805FR-07178RL (YAGEO) provides direct equivalence with 41,491 pieces in inventory and identical feature classification. The CRCW0805178RFKEA (Vishay Dale), ERJ-6ENF1780V (Panasonic), and RMCF0805FT178R (Stackpole) incorporate AEC-Q200 automotive-grade qualification, which represents an enhanced specification level suitable for automotive and high-reliability applications without introducing incompatibility in standard industrial or consumer applications. All parts maintain RoHS3 compliance and REACH Unaffected status. Height variations across substitute parts (0.020" to 0.028" seated maximum) remain within standard PCB assembly tolerances for 0805 package format and do not affect functional performance or board-level compatibility.

Frequently Asked Questions (FAQ)

Q: Can RC0805FR-07178RL replace RC2012F1780CS directly in production?

A: Yes. RC0805FR-07178RL meets all electrical specifications (178 Ohms ±1%, 0.125W, ±100ppm/°C, -55°C ~ 155°C) and mechanical requirements (0805 package, Tape & Reel packaging, RoHS3 compliant). Both parts are classified as Active product status with identical tolerance and power ratings.

Q: What is the difference between direct equivalents and AEC-Q200 qualified substitutes?

A: Direct equivalents (RC0805FR-07178RL) maintain identical feature sets to the main part. AEC-Q200 qualified substitutes (CRCW0805178RFKEA, ERJ-6ENF1780V, RMCF0805FT178R) include automotive-grade qualification, representing enhanced reliability screening. AEC-Q200 qualification does not reduce compatibility in non-automotive applications.

Q: Are there physical size differences that affect PCB assembly?

A: All substitute parts use 0805 (2012 Metric) package format with identical footprint dimensions (0.079" L x 0.049" W). Seated height varies between 0.020" and 0.028", which remains within standard PCB assembly tolerances and does not affect placement or soldering processes.

Q: Do all substitute parts have the same moisture sensitivity level?

A: Yes. All substitute parts are classified as MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: Which substitute part has the highest inventory availability?

A: ERJ-6ENF1780V (Panasonic) has 73,229 pieces in stock, followed by RC0805FR-07178RL (YAGEO) with 41,491 pieces. RMCF0805FT178R (Stackpole) has limited availability at 767 pieces.

Q: Are all substitute parts compliant with environmental regulations?

A: Yes. All substitute parts are RoHS3 compliant and REACH Unaffected, meeting current environmental and regulatory requirements for electronic component manufacturing and distribution.