RCS3216F7872CS Equivalent & Substitute Parts

Part Overview

The RCS3216F7872CS is a 78.7 kOhms ±1% 0.25W chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This thick film resistor features anti-sulfur and moisture-resistant properties, operating across -55°C to 155°C with a temperature coefficient of ±100ppm/°C. The part is currently active in production with 878 pieces in stock inventory. 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	Specification
Resistance Value	78.7 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
Number of Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the RCS3216F7872CS are qualified based on the following criteria:

Electrical Parameters (Must Match):

Resistance value: 78.7 kOhms
Tolerance: ±1%
Power rating: 0.25W (1/4W)
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C

Mechanical Parameters (Must Match):

Package type: 1206 (3216 Metric)
Number of terminations: 2
Physical dimensions compatible with 1206 footprint

Compliance Parameters (Must Match):

RoHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)
REACH Unaffected status

All four substitute parts meet these core requirements. Variations in height (seated maximum) and specific feature sets (anti-sulfur vs. automotive AEC-Q200 qualification) do not affect electrical interchangeability within the specified parameter envelope.

Parameter Comparison

Parameter	RCS3216F7872CS (Samsung)	CR1206-FX-7872ELF (Bourns)	CRCW120678K7FKEA (Vishay Dale)	ERJ-8ENF7872V (Panasonic)	RC1206FR-0778K7L (YAGEO)
Resistance	78.7 kOhms	78.7 kOhms	78.7 kOhms	78.7 kOhms	78.7 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
Height - Seated (Max)	0.026" (0.66mm)	0.030" (0.75mm)	0.024" (0.60mm)	0.028" (0.70mm)	0.026" (0.65mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Not For New Designs	Active

Engineering Selection Recommendations

Primary Selection (Active Production): The CR1206-FX-7872ELF (Bourns Inc.), CRCW120678K7FKEA (Vishay Dale), and RC1206FR-0778K7L (YAGEO) are all active production parts with full compliance certifications. These three options provide equivalent electrical and mechanical performance to the RCS3216F7872CS with the highest availability and supply chain continuity.

Automotive Applications: The CRCW120678K7FKEA (Vishay Dale) and ERJ-8ENF7872V (Panasonic) carry AEC-Q200 automotive qualification. Select these parts for applications requiring automotive-grade reliability and traceability.

Inventory Considerations: CR1206-FX-7872ELF and RC1206FR-0778K7L both maintain inventory levels exceeding 20,000 pieces, providing superior supply availability compared to the RCS3216F7872CS (878 pieces).

Obsolescence Risk: The ERJ-8ENF7872V (Panasonic) carries a "Not For New Designs" status, indicating potential future discontinuation. This part is suitable only for legacy system maintenance or repair applications.

Frequently Asked Questions (FAQ)

Q: Can I substitute the RCS3216F7872CS with any of these four parts without circuit redesign?

A: Yes. All four substitute parts match the core electrical specifications (78.7 kOhms ±1%, 0.25W, ±100ppm/°C, -55°C to 155°C) and mechanical package (1206/3216 Metric). They are electrically and mechanically interchangeable within the specified parameter envelope.

Q: What is the significance of the height differences shown in the parameter comparison table?

A: Height variations (0.024" to 0.030" seated maximum) fall within acceptable tolerances for 1206 package footprints and do not affect PCB assembly compatibility. All parts are suitable for standard pick-and-place and reflow soldering processes.

Q: Why is the ERJ-8ENF7872V marked "Not For New Designs"?

A: This designation indicates the manufacturer (Panasonic) is transitioning this product line and recommends against use in new circuit designs. The part remains available for existing production runs and field repairs but should not be selected for new product development.

Q: Which substitute part offers the best supply chain security?

A: Both CR1206-FX-7872ELF (Bourns, 20,297 pieces) and RC1206FR-0778K7L (YAGEO, 20,300 pieces) provide superior inventory depth compared to the original RCS3216F7872CS (878 pieces), ensuring consistent availability for high-volume production.

Q: Are there any feature differences that affect circuit performance?

A: The RCS3216F7872CS includes anti-sulfur properties in addition to moisture resistance. The Bourns CR1206-FX-7872ELF and YAGEO RC1206FR-0778K7L specify moisture resistance. The Vishay Dale CRCW120678K7FKEA and Panasonic ERJ-8ENF7872V carry AEC-Q200 automotive qualification. These feature variations do not alter the core electrical performance within the specified operating parameters.

Q: Can I use the automotive-qualified parts (Vishay or Panasonic) in non-automotive applications?

A: Yes. Automotive-qualified parts exceed standard industrial specifications and are fully compatible with non-automotive applications. Their use in non-automotive circuits introduces no compatibility issues.

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