RC3216F681CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F681CS is a 680 Ohm ±1% 0.25W (1/4W) 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 construction and ROHS3 compliance. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct functional interchangeability in circuit applications.

Key Parameters

Parameter	Specification
Resistance Value	680 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 (MSL)	1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following critical parameters: resistance value (680 Ohms), tolerance (±1%), power rating (0.25W), package format (1206), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and environmental compliance (ROHS3, MSL 1). Parts are grouped into three categories based on additional features and certifications while maintaining core electrical and mechanical compatibility.

Direct Equivalents maintain identical specifications without additional certifications or enhanced features.

Upgrade Substitutes include automotive AEC-Q200 qualification or anti-sulfur protection, providing enhanced reliability for demanding applications while preserving base electrical parameters.

Similar Alternatives include parts with identical core specifications but variations in power rating, automotive certification, or pulse withstanding capability. These require application-level verification for compatibility.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Features	RoHS	MSL	Product Status
RC3216F681CS	Samsung Electro-Mechanics	680 Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Moisture Resistant	ROHS3	1	Active
CR1206-FX-6800ELF	Bourns Inc.	680 Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Moisture Resistant	ROHS3	1	Active
RC1206FR-07680RL	YAGEO	680 Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Moisture Resistant	ROHS3	1	Active
AC1206FR-07680RL	YAGEO	680 Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200, Moisture Resistant	ROHS3	1	Active
AF1206FR-07680RL	YAGEO	680 Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Anti-Sulfur, Automotive AEC-Q200	ROHS3	1	Active
CRCW1206680RFKEA	Vishay Dale	680 Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200	ROHS3	1	Active
CRCW1206680RFKEAHP	Vishay Dale	680 Ω	±1%	0.75	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200, Pulse Withstanding	ROHS3	1	Active
ERJ-8ENF6800V	Panasonic Electronic Components	680 Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200	ROHS3	1	Not For New Designs

Engineering Selection Recommendations

For Standard Applications (Non-Automotive): RC1206FR-07680RL (YAGEO) and CR1206-FX-6800ELF (Bourns Inc.) provide direct electrical and mechanical equivalence to RC3216F681CS with Active product status and full ROHS3 compliance. Both maintain identical 0.25W power rating, ±1% tolerance, and -55°C to 155°C operating range.

For Automotive Applications: AC1206FR-07680RL (YAGEO) and CRCW1206680RFKEA (Vishay Dale) are qualified to AEC-Q200 automotive standard while maintaining all base electrical specifications. AF1206FR-07680RL (YAGEO) adds anti-sulfur protection for enhanced environmental resistance in automotive environments.

For High-Reliability or Pulse-Demanding Applications: CRCW1206680RFKEAHP (Vishay Dale) provides increased power rating (0.75W) and pulse withstanding capability with AEC-Q200 qualification. This part is suitable for applications requiring margin above standard 0.25W specification.

Obsolescence Consideration: ERJ-8ENF6800V (Panasonic) carries "Not For New Designs" status and should not be selected for new circuit development despite technical equivalence.

Frequently Asked Questions (FAQ)

Q: Can RC1206FR-07680RL be used as a direct replacement for RC3216F681CS?

A: Yes. RC1206FR-07680RL matches all critical parameters: 680 Ohm resistance, ±1% tolerance, 0.25W power rating, 1206 package, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, ROHS3 compliance, and MSL 1 rating. Both are Active status products from established manufacturers.

Q: What is the difference between AC1206FR-07680RL and RC1206FR-07680RL?

A: AC1206FR-07680RL includes AEC-Q200 automotive qualification and is designated for automotive applications. RC1206FR-07680RL is a standard industrial-grade equivalent. Electrical specifications are identical. Selection depends on application environment requirements.

Q: Why is CRCW1206680RFKEAHP listed as a similar alternative rather than direct equivalent?

A: CRCW1206680RFKEAHP has a 0.75W power rating compared to the 0.25W specification of RC3216F681CS. While mechanically compatible in 1206 package and electrically equivalent in resistance/tolerance, the higher power rating represents a different component class. Application circuit design must accommodate this specification difference.

Q: Is ERJ-8ENF6800V suitable for new product designs?

A: No. ERJ-8ENF6800V carries "Not For New Designs" product status from Panasonic. Although technically equivalent, this designation indicates the manufacturer is discontinuing or has discontinued this part. New designs should select from Active status alternatives.

Q: What packaging formats are available for these substitutes?

A: Substitute parts are supplied in Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® formats. CR1206-FX-6800ELF uses Tape & Reel. RC1206FR-07680RL uses Tape & Reel. AC1206FR-07680RL uses Cut Tape & Digi-Reel®. CRCW1206680RFKEA uses Cut Tape & Digi-Reel®. Packaging selection should align with assembly process requirements.

Q: Are all listed substitutes ROHS3 compliant?

A: Yes. All substitute parts listed carry ROHS3 compliance certification and MSL 1 (Unlimited) moisture sensitivity rating, matching the environmental compliance profile of RC3216F681CS.

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