RC3216F8661CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F8661CS is an 8.66 kOhms ±1% 0.25W chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This thick film, moisture-resistant component operates across -55°C to 155°C with a temperature coefficient of ±100ppm/°C. The part is ROHS3 compliant and carries MSL 1 (Unlimited) moisture sensitivity rating. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and package compatibility to ensure direct functional replacement in circuit applications.

Key Parameters

Parameter	Specification
Resistance Value	8.66 kOhms
Tolerance	±1%
Power Rating	0.25W (1/4W)
Package / Case	1206 (3216 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

Substitution eligibility for the RC3216F8661CS is determined by strict equivalence across the following critical parameters:

Electrical Specifications: Resistance value (8.66 kOhms), tolerance (±1%), and power rating (0.25W) must be identical. Temperature coefficient (±100ppm/°C) and operating temperature range (-55°C ~ 155°C) must match.

Mechanical Compatibility: Package type (1206 / 3216 Metric) and number of terminations (2) must be identical. Physical dimensions must be compatible with 1206 footprints.

Material & Composition: Thick film construction is required. Moisture-resistant properties must be maintained.

Compliance & Certifications: ROHS3 compliance and MSL 1 rating are baseline requirements. Additional certifications (such as AEC-Q200 for automotive applications) represent enhanced capability and do not disqualify substitution.

All identified substitute parts meet these criteria and are suitable for direct replacement in the RC3216F8661CS application.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power	Package	Temp Coeff	Op. Temp Range	Composition	RoHS	MSL	Product Status
RC3216F8661CS	Samsung Electro-Mechanics	8.66 kΩ	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Thick Film	ROHS3	1	Active
CR1206-FX-8661ELF	Bourns Inc.	8.66 kΩ	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Thick Film	ROHS3	1	Active
RC1206FR-078K66L	YAGEO	8.66 kΩ	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Thick Film	ROHS3	1	Active
CRCW12068K66FKEA	Vishay Dale	8.66 kΩ	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Thick Film	ROHS3	1	Active
ERJ-8ENF8661V	Panasonic Electronic Components	8.66 kΩ	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Thick Film	ROHS3	1	Not For New Designs

Engineering Selection Recommendations

Direct Equivalents (Active Status):

CR1206-FX-8661ELF (Bourns Inc.), RC1206FR-078K66L (YAGEO), and CRCW12068K66FKEA (Vishay Dale) are all Active products with identical electrical and mechanical specifications to the RC3216F8661CS. These parts are suitable for new designs and production applications. All three maintain ROHS3 compliance and MSL 1 rating.

Enhanced Capability Substitute:

CRCW12068K66FKEA includes AEC-Q200 automotive qualification, providing additional reliability assurance for automotive and high-reliability applications. This certification does not affect general-purpose circuit compatibility.

Legacy Status:

ERJ-8ENF8661V (Panasonic Electronic Components) carries "Not For New Designs" status despite meeting all electrical and mechanical equivalence criteria. This part remains functionally compatible but should not be selected for new product development. Existing designs using this part may continue operation without change.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC3216F8661CS with any of these parts in existing designs?

A: Yes. CR1206-FX-8661ELF, RC1206FR-078K66L, CRCW12068K66FKEA, and ERJ-8ENF8661V all meet the electrical and mechanical specifications of the RC3216F8661CS and are suitable for direct replacement in existing circuit applications.

Q: Which substitute should I use for new product designs?

A: CR1206-FX-8661ELF, RC1206FR-078K66L, or CRCW12068K66FKEA are recommended for new designs, as all three carry Active product status. ERJ-8ENF8661V should not be used in new designs due to its "Not For New Designs" classification.

Q: Are there dimensional differences between these parts?

A: All parts use the 1206 (3216 Metric) package. Minor variations in seated height exist (ranging from 0.024" to 0.030"), but these fall within standard 1206 PCB footprint tolerances and do not affect interchangeability.

Q: Do all substitutes have the same moisture sensitivity rating?

A: Yes. All listed parts carry MSL 1 (Unlimited) moisture sensitivity level, matching the RC3216F8661CS specification.

Q: What is the significance of AEC-Q200 certification on CRCW12068K66FKEA?

A: AEC-Q200 is an automotive industry qualification standard. CRCW12068K66FKEA meets this additional requirement, making it suitable for automotive applications. Non-automotive applications are unaffected by this certification.

Q: Can I mix different substitute parts in the same design?

A: Yes. All substitute parts meet identical electrical specifications (8.66 kOhms ±1%, 0.25W, ±100ppm/°C, -55°C ~ 155°C) and are mechanically compatible with the 1206 package. Mixed sourcing is permissible from a functional standpoint.

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