RC3216F78R7CS Equivalent & Substitute Parts

Part Overview

The RC3216F78R7CS is a 78.7 Ohm ±1% 0.25W thick film chip resistor manufactured by Samsung Electro-Mechanics in the 1206 (3216 Metric) package. This component is classified as Active and is currently in production. The part is moisture resistant with a temperature coefficient of ±100ppm/°C and operates across the -55°C to 155°C temperature range. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and compliance certifications to ensure direct interchangeability in circuit applications.

Key Parameters

Parameter	Value
Resistance	78.7 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
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the RC3216F78R7CS is determined by strict equivalence across the following critical parameters:

Electrical Specifications: Resistance value of 78.7 Ohms, tolerance of ±1%, and power rating of 0.25W must be identical across all substitute parts.

Package Compatibility: All substitute parts must use the 1206 (3216 Metric) surface mount package to ensure mechanical fit on printed circuit boards.

Environmental Specifications: Temperature coefficient of ±100ppm/°C and operating temperature range of -55°C to 155°C must be maintained.

Regulatory Compliance: All substitute parts must maintain ROHS3 compliance, REACH unaffected status, and Moisture Sensitivity Level 1 classification.

Composition: Thick film construction is required for all substitutes.

Three substitute parts meet these criteria: RC1206FR-0778R7L (YAGEO), CRCW120678R7FKEA (Vishay Dale), and ERJ-8ENF78R7V (Panasonic Electronic Components).

Parameter Comparison

Parameter	RC3216F78R7CS (Samsung)	RC1206FR-0778R7L (YAGEO)	CRCW120678R7FKEA (Vishay Dale)	ERJ-8ENF78R7V (Panasonic)
Resistance	78.7 Ohms	78.7 Ohms	78.7 Ohms	78.7 Ohms
Tolerance	±1%	±1%	±1%	±1%
Power Rating	0.25W	0.25W	0.25W	0.25W
Package / Case	1206 (3216 Metric)	1206 (3216 Metric)	1206 (3216 Metric)	1206 (3216 Metric)
Composition	Thick Film	Thick Film	Thick Film	Thick Film
Temperature Coefficient	±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
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected
Product Status	Active	Active	Active	Not For New Designs

Engineering Selection Recommendations

RC1206FR-0778R7L (YAGEO): This part is classified as Active and meets all electrical and mechanical specifications. It is suitable for new designs and production applications requiring the 78.7 Ohm 1% 1/4W 1206 resistor specification.

CRCW120678R7FKEA (Vishay Dale): This part is classified as Active and includes AEC-Q200 automotive qualification. It meets all electrical and mechanical specifications and is suitable for applications requiring automotive-grade components or designs with automotive reliability requirements.

ERJ-8ENF78R7V (Panasonic Electronic Components): This part is classified as Not For New Designs. While it meets all electrical and mechanical specifications and includes AEC-Q200 automotive qualification, its product status restricts its use to legacy or existing production applications only. New design implementations should not incorporate this part number.

Frequently Asked Questions (FAQ)

Q: Can RC1206FR-0778R7L be used as a direct replacement for RC3216F78R7CS?

A: Yes. Both parts share identical electrical specifications (78.7 Ohms ±1%, 0.25W), the same 1206 package, matching temperature coefficients (±100ppm/°C), and equivalent operating temperature ranges (-55°C to 155°C). Both are ROHS3 compliant with MSL 1 rating.

Q: What is the difference between CRCW120678R7FKEA and the other substitutes?

A: CRCW120678R7FKEA includes AEC-Q200 automotive qualification, making it suitable for automotive applications. The electrical and mechanical specifications remain identical to the other substitutes. This part is Active and appropriate for new designs.

Q: Why is ERJ-8ENF78R7V marked as Not For New Designs?

A: ERJ-8ENF78R7V carries a product status of Not For New Designs, indicating that Panasonic has discontinued active development and production planning for this part number. While the part meets all technical specifications, it should only be used in legacy or existing production applications.

Q: Are there dimensional differences between these substitute parts?

A: Minor dimensional variations exist within the 1206 package specification. RC3216F78R7CS and CRCW120678R7FKEA share identical length (0.126"), while RC1206FR-0778R7L is slightly shorter (0.122"). All parts maintain the same width (0.063") and are within the 1206 package tolerance. Height variations range from 0.024" to 0.028" (0.60mm to 0.70mm), all within acceptable limits for standard PCB assembly.

Q: Do all substitutes maintain the same moisture resistance characteristics?

A: Yes. All substitute parts maintain Moisture Sensitivity Level 1 (Unlimited) classification and thick film composition with moisture resistant features, matching the original RC3216F78R7CS specification.

Q: Which substitute should be selected for new product designs?

A: For standard applications, RC1206FR-0778R7L (YAGEO) or CRCW120678R7FKEA (Vishay Dale) are both appropriate choices as Active products. For automotive applications or designs requiring automotive-grade reliability, CRCW120678R7FKEA with AEC-Q200 qualification is the recommended selection. ERJ-8ENF78R7V should not be used in new designs.

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