Equivalent & Substitute Parts for RC1005F6651CS

Part Overview

The RC1005F6651CS is a 6.65 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 0402 (1005 Metric) package format. This component is rated for 0.063W (1/16W) power dissipation with a temperature coefficient of ±100ppm/°C and operates across the -55°C to 155°C temperature range. The part features moisture-resistant construction and is ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

The RC1005F6651CS maintains Active product status with 663 pieces currently in stock. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental compliance requirements. Alternative sources provide equivalent performance characteristics or enhanced ratings suitable for direct replacement in circuit applications.

Substiute Parts

RC1005F6651CS

Samsung Electro-MechanicsIn Stock: 680RC1005F6651CS Datasheet

Current PartRFQ

CR0402-FX-6651GLF

Bourns Inc.In Stock: 41181CR0402-FX-6651GLF Datasheet

DirectRFQ

RC0402FR-076K65L

YAGEOIn Stock: 395656RC0402FR-076K65L Datasheet

DirectRFQ

ERJ-2RKF6651X

Panasonic Electronic ComponentsIn Stock: 71062ERJ-2RKF6651X Datasheet

UpgradeRFQ

AC0402FR-076K65L

YAGEOIn Stock: 885AC0402FR-076K65L Datasheet

SimilarRFQ

CRCW04026K65FKED

Vishay DaleIn Stock: 103832CRCW04026K65FKED Datasheet

SimilarRFQ

RMCF0402FT6K65

Stackpole Electronics IncIn Stock: 76110RMCF0402FT6K65 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1005F6651CS are classified into three categories based on electrical and mechanical compatibility:

Direct Equivalents maintain identical electrical specifications, power ratings, and package dimensions. These parts are interchangeable without circuit modification and include CR0402-FX-6651GLF (Bourns Inc.) and RC0402FR-076K65L (YAGEO).

Upgrade Substitutes provide enhanced power ratings or automotive-grade certifications while maintaining the same resistance value, tolerance, and package format. ERJ-2RKF6651X (Panasonic Electronic Components) offers 0.1W (1/10W) power rating with AEC-Q200 automotive qualification.

Similar Substitutes match all critical electrical parameters and package specifications but may include additional certifications or feature enhancements. AC0402FR-076K65L, CRCW04026K65FKED, and RMCF0402FT6K65 fall into this category with automotive AEC-Q200 ratings and moisture-resistant construction.

Key Parameters Determining Substitution:

• Resistance value: 6.65 kOhms (exact match required)
• Tolerance: ±1% (exact match required)
• Package: 0402 (1005 Metric) (exact match required)
• Temperature coefficient: ±100ppm/°C (exact match required)
• Operating temperature range: -55°C ~ 155°C (exact match required)
• Composition: Thick Film (exact match required)
• Power rating: 0.063W minimum (equal or higher acceptable)
• RoHS compliance: ROHS3 (equal or higher acceptable)

Parameter Comparison

Engineering Selection Recommendations

Direct Replacement (No Circuit Modification Required):

CR0402-FX-6651GLF (Bourns Inc.) and RC0402FR-076K65L (YAGEO) provide direct electrical and mechanical equivalence to the RC1005F6651CS. Both maintain identical resistance, tolerance, power rating, and package specifications. RC0402FR-076K65L offers superior inventory availability (395550 pieces) and includes moisture-resistant construction matching the original part.

Enhanced Performance Selection:

ERJ-2RKF6651X (Panasonic Electronic Components) provides upgraded power rating of 0.1W (1/10W) while maintaining all other electrical parameters. This part includes automotive AEC-Q200 qualification, suitable for applications requiring enhanced thermal margin or automotive-grade reliability. The 0.1W rating accommodates higher power dissipation without circuit redesign.

Automotive-Grade Alternatives:

AC0402FR-076K65L (YAGEO), CRCW04026K65FKED (Vishay Dale), and RMCF0402FT6K65 (Stackpole Electronics Inc) all carry AEC-Q200 automotive qualification with identical electrical specifications to the original part. These selections are appropriate for automotive applications, industrial environments, or designs requiring enhanced reliability certification. CRCW04026K65FKED offers the highest inventory level (103799 pieces) among automotive-qualified options.

Compliance Verification:

All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating. All parts are packaged in Tape & Reel format matching the original specification. Selection should be based on application requirements, inventory availability, and any specific automotive or industrial certifications mandated by the end application.

Frequently Asked Questions (FAQ)

Q: Can CR0402-FX-6651GLF replace RC1005F6651CS directly in the circuit?

A: Yes. CR0402-FX-6651GLF is a direct equivalent with identical resistance (6.65 kOhms), tolerance (±1%), power rating (0.063W), package (0402), and temperature specifications. No circuit modification is required.

Q: What is the difference between the 0.063W and 0.1W power ratings?

A: The 0.063W (1/16W) rating is the original specification for RC1005F6651CS. ERJ-2RKF6651X provides 0.1W (1/10W) rating, offering higher thermal capacity. The 0.1W part can dissipate more power without exceeding temperature limits, providing design margin in high-current applications. Both ratings are compatible with the same circuit topology.

Q: Are automotive AEC-Q200 parts suitable for non-automotive applications?

A: Yes. AEC-Q200 qualification indicates enhanced reliability testing and stricter manufacturing controls. These parts (AC0402FR-076K65L, CRCW04026K65FKED, RMCF0402FT6K65) are fully compatible with non-automotive applications and provide equivalent or superior performance to standard industrial-grade parts.

Q: Does the 0402 package dimension differ between manufacturers?

A: No. The 0402 (1005 Metric) package is a standardized IPC format. All listed parts maintain identical dimensions: 0.039" L x 0.020" W (1.00mm x 0.50mm) with maximum seated height of 0.016" (0.40mm), except AC0402FR-076K65L which has 0.015" (0.37mm) maximum height. This minor height variation does not affect PCB assembly compatibility.

Q: Which substitute part has the best inventory availability?

A: RC0402FR-076K65L (YAGEO) offers the highest inventory level with 395550 pieces in stock. CRCW04026K65FKED (Vishay Dale) provides the second-highest availability at 103799 pieces for automotive-qualified applications.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance matching the original RC1005F6651CS specification. All parts also carry MSL 1 (Unlimited) moisture sensitivity rating and REACH Unaffected status.

Q: Can I use ERJ-2RKF6651X in place of RC1005F6651CS if my circuit operates at higher temperatures?

A: ERJ-2RKF6651X maintains the same operating temperature range (-55°C ~ 155°C) and temperature coefficient (±100ppm/°C) as the original part. The 0.1W power rating provides additional thermal margin for high-dissipation scenarios, but temperature range capability is identical. Selection should be based on actual power dissipation requirements, not temperature range alone.

Q: What is the significance of "Moisture Resistant" feature?

A: Moisture-resistant construction (RC1005F6651CS, RC0402FR-076K65L, AC0402FR-076K65L) provides enhanced protection against humidity and moisture ingress. All listed parts carry MSL 1 rating, indicating unlimited shelf life without moisture bake requirements. The moisture-resistant feature provides additional reliability margin in humid or high-moisture environments.