RCS2012F6650CS Equivalent & Substitute Parts

Part Overview

The RCS2012F6650CS is a 665 Ohm ±1% 1/8W thick film chip resistor in 0805 (2012 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with anti-sulfur and moisture-resistant properties. The part is RoHS3 compliant and carries MSL Level 1 (Unlimited) moisture sensitivity rating.

Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component, enabling direct replacement in circuit applications without functional degradation.

Substiute Parts

RCS2012F6650CS

Samsung Electro-MechanicsIn Stock: 691RCS2012F6650CS Datasheet

Current PartRFQ

CRCW0805665RFKEA

Vishay DaleIn Stock: 22332CRCW0805665RFKEA Datasheet

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ERJ-6ENF6650V

Panasonic Electronic ComponentsIn Stock: 108245ERJ-6ENF6650V Datasheet

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ERJ-P06F6650V

Panasonic Electronic ComponentsIn Stock: 5741ERJ-P06F6650V Datasheet

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RC0805FR-07665RL

YAGEOIn Stock: 76653RC0805FR-07665RL Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict alignment of the following parameters:

Primary Substitution Criteria:

• Resistance value: 665 Ohms
• Tolerance: ±1%
• Package: 0805 (2012 Metric)
• Composition: Thick Film
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature Range: -55°C ~ 155°C
• RoHS3 Compliance
• MSL Level 1

Secondary Consideration:

• Power rating equivalence or higher rating (0.125W minimum)

All identified substitute parts meet these criteria. The ERJ-P06F6650V carries a higher power rating (0.5W) and is suitable for applications requiring increased power dissipation capacity while maintaining all other electrical and mechanical specifications.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalents (1:1 Substitution):

CRCW0805665RFKEA (Vishay Dale), ERJ-6ENF6650V (Panasonic), and RC0805FR-07665RL (YAGEO) are direct electrical and mechanical equivalents to the RCS2012F6650CS. All three parts share identical resistance, tolerance, power rating, package dimensions, and temperature specifications. All are RoHS3 compliant with MSL Level 1 rating. These parts are suitable for direct PCB replacement without circuit redesign.

Higher Power Rating Alternative:

ERJ-P06F6650V (Panasonic) provides equivalent electrical performance with increased power dissipation capacity (0.5W versus 0.125W). This part is applicable in applications where thermal margin or pulse withstanding capability is required. The mechanical package remains 0805 (2012 Metric) with compatible footprint dimensions.

Automotive-Qualified Options:

CRCW0805665RFKEA, ERJ-6ENF6650V, and ERJ-P06F6650V carry AEC-Q200 automotive qualification. These parts are suitable for automotive and high-reliability applications requiring automotive-grade component certification.

Product Status:

All substitute parts maintain Active product status, ensuring continued availability and manufacturing support.

Frequently Asked Questions (FAQ)

Q: Can CRCW0805665RFKEA replace RCS2012F6650CS in any application?

A: Yes. CRCW0805665RFKEA meets all electrical specifications (665 Ohms ±1%, 0.125W, ±100ppm/°C, -55°C ~ 155°C), mechanical dimensions (0805 package), and compliance requirements (RoHS3, MSL 1) of the RCS2012F6650CS. Direct PCB substitution is supported.

Q: What is the difference between ERJ-6ENF6650V and ERJ-P06F6650V?

A: Both parts are 665 Ohm ±1% resistors in 0805 package with identical electrical specifications. The primary difference is power rating: ERJ-6ENF6650V is rated 0.125W (1/8W), while ERJ-P06F6650V is rated 0.5W (1/2W) with pulse withstanding capability. Select ERJ-P06F6650V for applications requiring higher power dissipation.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All identified substitute parts (CRCW0805665RFKEA, ERJ-6ENF6650V, ERJ-P06F6650V, RC0805FR-07665RL) are RoHS3 compliant with MSL Level 1 (Unlimited) moisture sensitivity rating.

Q: Do the substitute parts have different physical heights?

A: Seated heights vary slightly: RCS2012F6650CS (0.66mm), CRCW0805665RFKEA (0.50mm), RC0805FR-07665RL (0.60mm), ERJ-6ENF6650V (0.70mm), ERJ-P06F6650V (0.70mm). All heights remain within typical 0805 package specifications and do not affect PCB assembly compatibility.

Q: Which substitute part has the highest inventory availability?

A: ERJ-6ENF6650V (Panasonic) has 108,195 pieces in stock, followed by RC0805FR-07665RL (YAGEO) with 76,557 pieces, and CRCW0805665RFKEA (Vishay Dale) with 22,293 pieces.

Q: Can I use a substitute part rated for higher power in a circuit designed for 0.125W?

A: Yes. ERJ-P06F6650V (0.5W rating) can be used in applications designed for 0.125W operation. The higher power rating provides additional thermal margin without affecting electrical performance. The 665 Ohm resistance value and ±1% tolerance remain identical.

Q: Are automotive-qualified parts necessary for non-automotive applications?

A: No. AEC-Q200 qualification is not required for non-automotive applications. However, automotive-qualified parts (CRCW0805665RFKEA, ERJ-6ENF6650V, ERJ-P06F6650V) meet stringent reliability standards and are suitable for any application. Selection should be based on application requirements and supply chain preferences.