AR0805FR-07124KL Equivalent & Substitute Parts

Part Overview

The AR0805FR-07124KL is a 124 kOhms ±1% thick film chip resistor in 0805 (2012 Metric) package rated at 0.125W (1/8W) power dissipation. Manufactured by YAGEO under the AR series, this component is actively produced and widely used in general-purpose electronic applications requiring moisture-resistant film resistors. Substitute parts are necessary to address supply chain variations, inventory availability, or application-specific requirements such as automotive qualification or alternative manufacturer sourcing.

Substiute Parts

AR0805FR-07124KL

YAGEOIn Stock: 972AR0805FR-07124KL Datasheet

Current PartRFQ

RC0805FR-07124KL

YAGEOIn Stock: 106430RC0805FR-07124KL Datasheet

DirectRFQ

CRCW0805124KFKEA

Vishay DaleIn Stock: 8928CRCW0805124KFKEA Datasheet

MFR RecommendedRFQ

ERJ-6ENF1243V

Panasonic Electronic ComponentsIn Stock: 77630ERJ-6ENF1243V Datasheet

MFR RecommendedRFQ

RMCF0805FT124K

Stackpole Electronics IncIn Stock: 34941RMCF0805FT124K Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AR0805FR-07124KL is determined by strict equivalence across the following parameters: resistance value (124 kOhms), tolerance (±1%), power rating (0.125W), package type (0805 / 2012 Metric), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and regulatory compliance (ROHS3, REACH Unaffected, EAR99). All substitute parts listed meet these core electrical and mechanical specifications. Substitute parts are grouped by manufacturer and series designation while maintaining identical functional performance within the specified parameter envelope.

Parameter Comparison

Engineering Selection Recommendations

RC0805FR-07124KL is a direct equivalent from YAGEO's RC series, maintaining identical electrical specifications and moisture-resistant composition. This part is suitable for general-purpose applications requiring standard industrial-grade thick film resistors.

CRCW0805124KFKEA, ERJ-6ENF1243V, and RMCF0805FT124K are automotive-qualified alternatives carrying AEC-Q200 certification. These parts are appropriate for applications requiring automotive-grade reliability and qualification documentation. Selection among these three should be based on manufacturer availability and supply chain requirements, as all three meet identical electrical and mechanical specifications.

All substitute parts maintain ROHS3 compliance, REACH unaffected status, and EAR99 export classification consistent with the primary part.

Frequently Asked Questions (FAQ)

Q: Can RC0805FR-07124KL replace AR0805FR-07124KL in any application? A: Yes. Both parts are manufactured by YAGEO and share identical electrical specifications, tolerance, power rating, temperature coefficient, and operating temperature range. The primary difference is series designation (AR versus RC_L). Both are moisture-resistant thick film resistors in 0805 package.

Q: What is the difference between the YAGEO parts and the automotive-qualified alternatives? A: CRCW0805124KFKEA (Vishay Dale), ERJ-6ENF1243V (Panasonic), and RMCF0805FT124K (Stackpole) carry AEC-Q200 automotive qualification. All other electrical and mechanical parameters remain identical. Use automotive-qualified parts only when application requirements or design specifications mandate AEC-Q200 certification.

Q: Are there physical size differences between substitute parts? A: All parts conform to 0805 (2012 Metric) package dimensions of 0.079" L x 0.049" W. Seated height varies slightly: AR0805FR and RC0805FR at 0.024" (0.60mm), CRCW0805124KFKEA at 0.020" (0.50mm), ERJ-6ENF1243V at 0.028" (0.70mm), and RMCF0805FT124K at 0.026" (0.65mm). These variations are within standard PCB assembly tolerances for 0805 components.

Q: Can I use these parts interchangeably on the same PCB? A: Yes. All substitute parts are mechanically and electrically compatible for 0805 footprints. PCB layout and assembly processes require no modification when substituting between listed parts.

Q: Which part should I select for new designs? A: For general-purpose applications, RC0805FR-07124KL or AR0805FR-07124KL are appropriate. For automotive applications or designs requiring AEC-Q200 qualification, select CRCW0805124KFKEA, ERJ-6ENF1243V, or RMCF0805FT124K based on manufacturer availability and supply chain strategy.