RC3216F6652CS 66.5kΩ 1% 1/4W 1206 Chip Resistor Equivalent & Substitute Parts

Part Overview

The RC3216F6652CS is a 66.5 kOhms ±1% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with full RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). The part is designed for general-purpose applications requiring precision resistive elements with moisture resistance in compact surface-mount form factor. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component requirements.

Key Parameters

Parameter	Value	Specification Range
Resistance Value	66.5 kOhms	Fixed
Tolerance	±1%	Fixed
Power Rating	0.25W (1/4W)	Fixed
Package / Case	1206 (3216 Metric)	Fixed
Composition	Thick Film	Fixed
Temperature Coefficient	±100ppm/°C	Fixed
Operating Temperature Range	-55°C ~ 155°C	Fixed
Moisture Resistance	Yes	Required Feature
RoHS Status	ROHS3 Compliant	Fixed
Moisture Sensitivity Level (MSL)	1 (Unlimited)	Fixed
Number of Terminations	2	Fixed

Substitute Part Grouping Explanation

Substitution eligibility for the RC3216F6652CS is determined by strict alignment of the following parameters:

Electrical Specifications (Non-negotiable):

Resistance value: 66.5 kOhms
Tolerance: ±1%
Power rating: 0.25W (1/4W)
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C

Mechanical Specifications (Non-negotiable):

Package type: 1206 (3216 Metric)
Composition: Thick Film
Number of terminations: 2
Moisture resistance: Required

Compliance & Environmental (Non-negotiable):

RoHS3 compliance
MSL 1 (Unlimited)
REACH Unaffected status

All identified substitute parts meet these criteria. Substitute parts are further categorized by product status and additional certifications:

Direct Manufacturer Substitute: RC1206FR-0766K5L (YAGEO) — Functionally equivalent with Active product status.

Upgrade Substitute: AC1206FR-0766K5L (YAGEO) — Adds AEC-Q200 automotive qualification while maintaining all base electrical and mechanical specifications.

Similar Substitutes: CRCW120666K5FKEA (Vishay Dale) and ERJ-8ENF6652V (Panasonic) — Meet all electrical and mechanical requirements with AEC-Q200 certification; ERJ-8ENF6652V carries Not For New Designs status.

Parameter Comparison

Parameter	RC3216F6652CS (Samsung)	RC1206FR-0766K5L (YAGEO)	AC1206FR-0766K5L (YAGEO)	CRCW120666K5FKEA (Vishay Dale)	ERJ-8ENF6652V (Panasonic)
Resistance	66.5 kOhms	66.5 kOhms	66.5 kOhms	66.5 kOhms	66.5 kOhms
Tolerance	±1%	±1%	±1%	±1%	±1%
Power Rating	0.25W	0.25W	0.25W	0.25W	0.25W
Package	1206 (3216 Metric)	1206 (3216 Metric)	1206 (3216 Metric)	1206 (3216 Metric)	1206 (3216 Metric)
Composition	Thick Film	Thick Film	Thick Film	Thick Film	Thick Film
Temperature Coefficient	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C
Operating Temperature	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C
Moisture Resistance	Yes	Yes	Yes	No (not specified)	No (not specified)
RoHS3 Compliant	Yes	Yes	Yes	Yes	Yes
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
AEC-Q200	No	No	Yes	Yes	Yes
Product Status	Active	Active	Active	Active	Not For New Designs
Size / Dimension	0.126" L x 0.063" W (3.20mm x 1.60mm)	0.122" L x 0.063" W (3.10mm x 1.60mm)	0.122" L x 0.063" W (3.10mm x 1.60mm)	0.126" L x 0.063" W (3.20mm x 1.60mm)	0.126" L x 0.063" W (3.20mm x 1.60mm)
Height - Seated (Max)	0.026" (0.66mm)	0.026" (0.65mm)	0.026" (0.65mm)	0.024" (0.60mm)	0.028" (0.70mm)

Engineering Selection Recommendations

For General-Purpose Applications (Non-Automotive): RC1206FR-0766K5L (YAGEO) is the primary direct substitute. This part maintains Active product status, identical electrical specifications, and full RoHS3 compliance. Dimensional tolerance is within acceptable PCB assembly parameters (3.10mm vs. 3.20mm length). This selection is appropriate for applications without automotive qualification requirements.

For Automotive Applications: AC1206FR-0766K5L (YAGEO) is the recommended upgrade substitute. This part adds AEC-Q200 automotive qualification while preserving all electrical and mechanical specifications of the original component. Active product status ensures long-term availability and supply chain stability.

Alternative Automotive-Qualified Options: CRCW120666K5FKEA (Vishay Dale) provides AEC-Q200 qualification with Active product status. Dimensional alignment matches the original RC3216F6652CS (3.20mm length). This part is suitable where Vishay Dale supply chain preference exists.

Not Recommended for New Designs: ERJ-8ENF6652V (Panasonic) carries "Not For New Designs" product status. While electrically and mechanically equivalent with AEC-Q200 certification, this designation indicates manufacturer discontinuation trajectory. Use only in legacy design maintenance or where existing supply contracts mandate this part number.

Frequently Asked Questions (FAQ)

Q: Can RC1206FR-0766K5L directly replace RC3216F6652CS without PCB layout modification?

A: Yes. Both parts share identical electrical specifications (66.5 kOhms ±1%, 0.25W, ±100ppm/°C, -55°C ~ 155°C), package type (1206/3216 Metric), and termination count (2). Dimensional differences (3.10mm vs. 3.20mm length, 0.65mm vs. 0.66mm height) are within standard PCB assembly tolerances and do not require layout changes.

Q: What is the difference between RC1206FR-0766K5L and AC1206FR-0766K5L?

A: Both are YAGEO 1206 66.5kΩ ±1% resistors with identical electrical performance. AC1206FR-0766K5L adds AEC-Q200 automotive qualification and is designated for automotive applications. RC1206FR-0766K5L is suitable for general-purpose and industrial applications. Selection depends on application requirements, not performance differences.

Q: Why is ERJ-8ENF6652V marked "Not For New Designs"?

A: This designation indicates the manufacturer (Panasonic) has announced discontinuation or transition of this product line. While currently in inventory and functionally equivalent, new designs should not incorporate this part number. Use RC1206FR-0766K5L or AC1206FR-0766K5L for new projects.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All identified substitutes (RC1206FR-0766K5L, AC1206FR-0766K5L, CRCW120666K5FKEA, ERJ-8ENF6652V) carry ROHS3 Compliant status and are REACH Unaffected, matching the original RC3216F6652CS compliance profile.

Q: What is MSL 1 (Unlimited) and why does it matter?

A: MSL 1 (Unlimited) indicates the component has unlimited shelf life without moisture bake-out requirements. All substitute parts share this rating, ensuring equivalent handling and storage procedures. No special moisture control is required during assembly or storage.

Q: Can CRCW120666K5FKEA be used in non-automotive applications?

A: Yes. AEC-Q200 certification is a superset qualification. Components meeting automotive standards exceed general-purpose requirements. CRCW120666K5FKEA is suitable for any application where RC3216F6652CS is specified, including non-automotive designs.

Q: What is the significance of the 0.024" (0.60mm) height difference in CRCW120666K5FKEA?

A: CRCW120666K5FKEA has the lowest seated height (0.60mm) among all substitutes. This may provide marginal benefits in space-constrained designs but does not affect electrical performance or compatibility. Standard PCB assembly equipment accommodates this variation without adjustment.

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