Equivalent & Substitute Parts for RC3216F4751CS

Part Overview

The RC3216F4751CS is a 4.75 kOhms ±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 construction and unlimited moisture sensitivity level (MSL 1). The part is ROHS3 compliant and suitable for general industrial and commercial applications requiring precision resistive elements with stable temperature characteristics across the -55°C to 155°C operating range.

Equivalent and substitute parts are necessary when the original manufacturer part becomes unavailable, when supply chain optimization is required, or when design specifications allow for alternative qualified sources meeting identical electrical and mechanical parameters.

Key Parameters

Parameter	Value	Specification Basis
Resistance Value	4.75 kOhms	Core electrical specification
Tolerance	±1%	Precision requirement
Power Rating	0.25W (1/4W)	Thermal dissipation capacity
Package / Case	1206 (3216 Metric)	Physical footprint and PCB compatibility
Composition	Thick Film	Manufacturing technology
Temperature Coefficient	±100ppm/°C	Stability over temperature range
Operating Temperature Range	-55°C to 155°C	Environmental operating limits
Terminations	2	Connection points
RoHS Status	ROHS3 Compliant	Environmental and regulatory compliance
Moisture Sensitivity Level	1 (Unlimited)	Handling and storage requirements

Substitute Part Grouping Explanation

Substitution eligibility for the RC3216F4751CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Resistance value: 4.75 kOhms
Tolerance: ±1%
Package / Case: 1206 (3216 Metric)
Composition: Thick Film
Temperature Coefficient: ±100ppm/°C
Operating Temperature Range: -55°C to 155°C
Number of Terminations: 2

Acceptable Variation Parameters:

Power Rating: 0.25W minimum (higher ratings acceptable for same package)
Physical dimensions: Minor variations within 1206 package specification
Packaging format: Cut Tape, Tape & Reel, or Digi-Reel formats
Manufacturer: Any qualified source
Product Status: Active or Not For New Designs (with application-specific consideration)
RoHS Compliance: ROHS3 compliant preferred; non-compliant parts noted for legacy applications
Certifications: AEC-Q200 automotive qualification available as upgrade option

The substitute parts are grouped into three categories: Direct Equivalents (identical specifications), Upgrade Options (enhanced certifications), and Similar Parts (compatible with noted parameter differences).

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	RoHS Status	Product Status	Certifications
RC3216F4751CS	Samsung Electro-Mechanics	4.75 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	ROHS3	Active	None
CR1206-FX-4751ELF	Bourns Inc.	4.75 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	ROHS3	Active	None
RC1206FR-074K75L	YAGEO	4.75 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	ROHS3	Active	None
AC1206FR-074K75L	YAGEO	4.75 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	ROHS3	Active	AEC-Q200
CRCW12064K75FKEA	Vishay Dale	4.75 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	ROHS3	Active	AEC-Q200
CRCW12064K75FKEAHP	Vishay Dale	4.75 kΩ	±1%	0.75	1206	±100ppm/°C	-55 to 155°C	ROHS3	Active	AEC-Q200
CRCW12064K75FKTA	Vishay Dale	4.75 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Non-compliant	Active	AEC-Q200
ERJ-8ENF4751V	Panasonic Electronic Components	4.75 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	ROHS3	Not For New Designs	AEC-Q200
RMCF1206FT4K75	Stackpole Electronics Inc	4.75 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	ROHS3	Active	AEC-Q200

Engineering Selection Recommendations

Direct Equivalents (Preferred for Standard Applications):

CR1206-FX-4751ELF (Bourns Inc.) and RC1206FR-074K75L (YAGEO) are direct functional equivalents to the RC3216F4751CS. Both parts match all mandatory electrical and mechanical parameters, maintain ROHS3 compliance, and carry Active product status. These parts are suitable for direct substitution in applications where automotive qualification is not required.

Upgrade Options (Recommended for Automotive and High-Reliability Applications):

AC1206FR-074K75L (YAGEO), CRCW12064K75FKEA (Vishay Dale), CRCW12064K75FKEAHP (Vishay Dale), and RMCF1206FT4K75 (Stackpole Electronics Inc) provide AEC-Q200 automotive qualification in addition to meeting all base electrical specifications. These parts are suitable for applications requiring automotive-grade component qualification. CRCW12064K75FKEAHP offers increased power rating (0.75W) within the same 1206 package, providing thermal margin for pulse withstanding applications.

Legacy Compatibility (Restricted Use):

CRCW12064K75FKTA (Vishay Dale) meets all electrical and mechanical specifications but carries RoHS non-compliant status and REACH Affected designation. This part is restricted to legacy applications or regions where RoHS exemptions apply.

ERJ-8ENF4751V (Panasonic Electronic Components) carries "Not For New Designs" product status despite ROHS3 compliance and AEC-Q200 qualification. This part is suitable only for replacement in existing designs or legacy system maintenance.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC3216F4751CS with a higher power-rated resistor in the same 1206 package?

A: Yes. CRCW12064K75FKEAHP (0.75W rating) is a valid substitute. The higher power rating provides additional thermal dissipation capacity while maintaining identical resistance, tolerance, temperature coefficient, and operating temperature range. Physical dimensions remain within 1206 package specification. This substitution is appropriate when thermal margin is beneficial or when the application experiences pulse conditions.

Q: What is the difference between the standard and AEC-Q200 qualified versions?

A: AEC-Q200 qualification indicates the part has undergone automotive-grade reliability testing and qualification per AEC (Automotive Electronics Council) standards. Parts with AEC-Q200 certification (AC1206FR-074K75L, CRCW12064K75FKEA, CRCW12064K75FKEAHP, ERJ-8ENF4751V, RMCF1206FT4K75) are suitable for automotive applications and high-reliability systems. The RC3216F4751CS and non-qualified equivalents are suitable for general industrial and commercial applications.

Q: Are there packaging format differences between substitute parts?

A: Yes. Substitute parts are available in Cut Tape (CT), Digi-Reel, and Tape & Reel (TR) formats. RC1206FR-074K75L is supplied in Cut Tape & Digi-Reel format. CR1206-FX-4751ELF, AC1206FR-074K75L, CRCW12064K75FKEA, CRCW12064K75FKEAHP, CRCW12064K75FKTA, ERJ-8ENF4751V, and RMCF1206FT4K75 are supplied in Tape & Reel format. Packaging format selection depends on assembly process requirements and volume considerations but does not affect electrical or mechanical compatibility.

Q: Why is ERJ-8ENF4751V marked "Not For New Designs"?

A: "Not For New Designs" status indicates the manufacturer has discontinued active development and recommends alternative parts for new product designs. ERJ-8ENF4751V remains available for replacement and maintenance of existing systems. For new designs, select from Active status parts: CR1206-FX-4751ELF, RC1206FR-074K75L, AC1206FR-074K75L, CRCW12064K75FKEA, CRCW12064K75FKEAHP, or RMCF1206FT4K75.

Q: What does ROHS3 compliance mean for this resistor?

A: ROHS3 (Restriction of Hazardous Substances Directive 3) compliance indicates the part contains no lead, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers, or phthalates above specified thresholds. ROHS3 compliance is required for products sold in the European Union and is increasingly required globally. All recommended substitute parts except CRCW12064K75FKTA carry ROHS3 compliance.

Q: Can I use CRCW12064K75FKTA as a direct replacement?

A: CRCW12064K75FKTA meets all electrical and mechanical specifications and carries AEC-Q200 qualification. However, it is RoHS non-compliant and REACH Affected. Use this part only in applications where RoHS exemptions apply or in legacy systems where compliance requirements do not apply. For new designs and RoHS-regulated markets, select ROHS3-compliant alternatives.

Q: What is the significance of the ±100ppm/°C temperature coefficient?

A: The ±100ppm/°C temperature coefficient specifies the maximum resistance change per degree Celsius across the -55°C to 155°C operating range. All substitute parts maintain this specification, ensuring stable resistance performance across the full operating temperature range. This parameter is critical for precision analog circuits, measurement systems, and temperature-sensitive applications.

Q: Are all substitute parts available in the same physical dimensions?

A: All substitute parts conform to the 1206 (3216 Metric) package specification with nominal dimensions of 0.126" L x 0.063" W (3.20mm x 1.60mm). Minor height variations exist: RC3216F4751CS and RC1206FR-074K75L are 0.026" (0.66mm and 0.65mm respectively), while CR1206-FX-4751ELF and ERJ-8ENF4751V are 0.030" and 0.028" respectively. These variations remain within standard 1206 package tolerance and do not affect PCB assembly compatibility.

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