RC3216F6650CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F6650CS is a 665 Ohm ±1% 0.25W thick film chip resistor manufactured by Samsung Electro-Mechanics in 1206 (3216 Metric) package format. This component is classified as Active product status with moisture resistant characteristics and ROHS3 compliance. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and environmental ratings align with the original component, enabling direct replacement in circuit applications without functional degradation.

Key Parameters

Parameter	Value
Resistance	665 Ohms
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 is determined by strict alignment of the following parameters:

Electrical Specifications: Resistance value (665 Ohms), tolerance (±1%), and power rating (0.25W) must be identical across all substitute candidates.

Package Compatibility: All substitute parts must use 1206 (3216 Metric) package format to ensure PCB footprint compatibility and automated assembly process alignment.

Environmental Ratings: Operating temperature range (-55°C ~ 155°C), temperature coefficient (±100ppm/°C), and moisture sensitivity level (MSL 1) establish the baseline environmental performance requirements.

Compliance Standards: RoHS3 compliance and REACH unaffected status are mandatory for all substitutes to maintain regulatory alignment with the original component.

Composition: Thick film construction is required to maintain electrical performance characteristics and thermal behavior consistency.

Substitute parts are categorized as Direct (functionally equivalent), Upgrade (enhanced certifications), or Similar (equivalent with minor dimensional variations) based on additional features and certifications beyond core electrical specifications.

Parameter Comparison

Parameter	RC3216F6650CS (Samsung)	RC1206FR-07665RL (YAGEO)	AC1206FR-07665RL (YAGEO)	CRCW1206665RFKEA (Vishay Dale)	ERJ-8ENF6650V (Panasonic)
Resistance	665 Ohms	665 Ohms	665 Ohms	665 Ohms	665 Ohms
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
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Automotive Rating	None	None	AEC-Q200	AEC-Q200	AEC-Q200
Product Status	Active	Active	Active	Active	Not For New Designs
Length	0.126" (3.20mm)	0.122" (3.10mm)	0.122" (3.10mm)	0.126" (3.20mm)	0.126" (3.20mm)
Height (Max)	0.026" (0.66mm)	0.026" (0.65mm)	0.026" (0.65mm)	0.024" (0.60mm)	0.028" (0.70mm)

Engineering Selection Recommendations

RC1206FR-07665RL (YAGEO Direct Substitute): This part maintains identical electrical and environmental specifications with Active product status. Dimensional variations (length 3.10mm vs. 3.20mm, height 0.65mm vs. 0.66mm) remain within standard 1206 package tolerances and do not affect PCB assembly compatibility. Suitable for direct replacement in non-automotive applications.

AC1206FR-07665RL (YAGEO Upgrade Substitute): This component provides all equivalent electrical specifications with the addition of AEC-Q200 automotive qualification. Recommended for applications requiring automotive-grade reliability and compliance. Dimensional specifications align with standard 1206 tolerances. Active product status ensures continued availability.

CRCW1206665RFKEA (Vishay Dale Similar Substitute): Offers equivalent electrical performance with AEC-Q200 automotive certification. Dimensional specifications (length 3.20mm, height 0.60mm) align with original component length while providing reduced height. Active product status supports long-term supply chain stability. Suitable for automotive and industrial applications.

ERJ-8ENF6650V (Panasonic Similar Substitute): Provides equivalent electrical specifications with AEC-Q200 automotive rating. Product status is classified as Not For New Designs, indicating this part is in mature phase with limited future availability. Use only for legacy system maintenance or replacement applications where supply continuity is not a primary concern.

Frequently Asked Questions (FAQ)

Q: Can RC1206FR-07665RL replace RC3216F6650CS in existing designs?

A: Yes. Both components share identical resistance (665 Ohms), tolerance (±1%), power rating (0.25W), temperature coefficient (±100ppm/°C), operating range (-55°C ~ 155°C), and package format (1206). Dimensional variations (3.10mm vs. 3.20mm length, 0.65mm vs. 0.66mm height) fall within standard 1206 package tolerances and do not affect PCB footprint compatibility or assembly processes.

Q: What is the difference between AC1206FR-07665RL and RC1206FR-07665RL?

A: Both YAGEO parts are electrically identical. AC1206FR-07665RL includes AEC-Q200 automotive qualification, making it suitable for automotive applications requiring enhanced reliability standards. RC1206FR-07665RL is a general-purpose industrial grade component. Selection depends on application requirements and automotive compliance needs.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts (RC1206FR-07665RL, AC1206FR-07665RL, CRCW1206665RFKEA, ERJ-8ENF6650V) are ROHS3 compliant and REACH unaffected, matching the original RC3216F6650CS compliance status.

Q: Why is ERJ-8ENF6650V marked as Not For New Designs?

A: ERJ-8ENF6650V carries a "Not For New Designs" product status, indicating the part is in mature lifecycle phase. While electrically equivalent and currently in stock, this designation signals reduced long-term availability and manufacturer support. For new designs, select from Active status alternatives (RC1206FR-07665RL, AC1206FR-07665RL, or CRCW1206665RFKEA).

Q: Do dimensional variations between substitute parts affect PCB assembly?

A: No. All substitute parts use 1206 (3216 Metric) package format with dimensions within standard package tolerances. Length variations (3.10mm to 3.20mm) and height variations (0.60mm to 0.70mm) do not exceed PCB footprint specifications or automated pick-and-place equipment tolerances. All parts are mechanically interchangeable on standard 1206 footprints.

Q: Which substitute part should I select for automotive applications?

A: AC1206FR-07665RL or CRCW1206665RFKEA are recommended for automotive applications, as both carry AEC-Q200 certification. AC1206FR-07665RL (YAGEO) has Active status for continued availability. CRCW1206665RFKEA (Vishay Dale) also maintains Active status. ERJ-8ENF6650V, while AEC-Q200 qualified, has Not For New Designs status and should be avoided for new automotive designs.

Q: Is moisture resistance maintained across all substitute parts?

A: Yes. All substitute parts maintain MSL 1 (Unlimited) moisture sensitivity level, matching the original RC3216F6650CS specification. This ensures equivalent moisture resistance performance across all listed alternatives.

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