RCS3216F4751CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216F4751CS is a 4.75 kOhms ±1% 0.25W (1/4W) thick film chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with anti-sulfur and moisture-resistant construction. The part is ROHS3 compliant and suitable for general industrial and consumer applications requiring standard tolerance resistive elements. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct functional replacement in circuit designs.

Key Parameters

Parameter	Specification
Resistance Value	4.75 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
Moisture Sensitivity Level (MSL)	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

Substitution eligibility for the RCS3216F4751CS is determined by strict matching of the following critical parameters:

Mandatory Matching Parameters:

Resistance Value: 4.75 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

All identified substitute parts match these core electrical and mechanical specifications. Substitute parts are grouped into two categories based on additional certifications and compliance attributes:

Category A - Standard Industrial Grade: Parts with moisture-resistant features and ROHS3 compliance, suitable for general applications.

Category B - Automotive Grade: Parts with AEC-Q200 automotive qualification, suitable for automotive and high-reliability applications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	MSL	RoHS Status	Product Status	Certifications
RCS3216F4751CS	Samsung Electro-Mechanics	4.75 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	1	ROHS3	Active	Anti-Sulfur, Moisture Resistant
AC1206FR-074K75L	YAGEO	4.75 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	1	ROHS3	Active	AEC-Q200, Moisture Resistant
CR1206-FX-4751ELF	Bourns Inc.	4.75 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	1	ROHS3	Active	Moisture Resistant
CRCW12064K75FKEA	Vishay Dale	4.75 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	1	ROHS3	Active	AEC-Q200
CRCW12064K75FKEAHP	Vishay Dale	4.75 kΩ	±1%	0.75	1206	±100ppm/°C	-55~155°C	1	ROHS3	Active	AEC-Q200, Pulse Withstanding
CRCW12064K75FKTA	Vishay Dale	4.75 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	1	RoHS Non-compliant	Active	AEC-Q200
ERJ-8ENF4751V	Panasonic Electronic Components	4.75 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	1	ROHS3	Not For New Designs	AEC-Q200
RC1206FR-074K75L	YAGEO	4.75 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	1	ROHS3	Active	Moisture Resistant
RMCF1206FT4K75	Stackpole Electronics Inc	4.75 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	1	ROHS3	Active	AEC-Q200

Engineering Selection Recommendations

Primary Substitutes (Recommended for New Designs):

Parts with Active product status and ROHS3 compliance are suitable for direct replacement in new circuit designs:

RMCF1206FT4K75 (Stackpole Electronics Inc): Active status, ROHS3 compliant, AEC-Q200 certified, highest inventory availability (350,020 pcs). Suitable for automotive and industrial applications.
CRCW12064K75FKEA (Vishay Dale): Active status, ROHS3 compliant, AEC-Q200 certified, high inventory (110,489 pcs). Suitable for automotive applications requiring automotive-grade qualification.
RC1206FR-074K75L (YAGEO): Active status, ROHS3 compliant, moisture-resistant, high inventory (90,094 pcs). Suitable for general industrial applications.
CR1206-FX-4751ELF (Bourns Inc.): Active status, ROHS3 compliant, moisture-resistant, high inventory (40,807 pcs). Suitable for general industrial applications.
AC1206FR-074K75L (YAGEO): Active status, ROHS3 compliant, AEC-Q200 certified, automotive-grade. Suitable for automotive applications.

Secondary Substitutes (Conditional Use):

CRCW12064K75FKEAHP (Vishay Dale): Active status, ROHS3 compliant, AEC-Q200 certified. Power rating is 0.75W (3/4W), exceeding the 0.25W specification. Use only when higher power dissipation capability is required or beneficial for thermal margin.
CRCW12064K75FKTA (Vishay Dale): Active status, RoHS non-compliant, REACH affected. Use only in applications where RoHS compliance is not mandated.

Not Recommended for New Designs:

ERJ-8ENF4751V (Panasonic Electronic Components): Product status is "Not For New Designs." Use only for legacy system maintenance or replacement of existing installed components.

Frequently Asked Questions (FAQ)

Q1: Can I substitute RCS3216F4751CS with CRCW12064K75FKEAHP if my application allows higher power dissipation?

A: Yes. CRCW12064K75FKEAHP matches all critical electrical parameters (4.75 kΩ, ±1%, 1206 package, -55°C to 155°C operating range). The 0.75W power rating exceeds the 0.25W specification, providing additional thermal margin. This substitution is electrically and mechanically compatible.

Q2: What is the difference between automotive-grade (AEC-Q200) and standard industrial-grade substitutes?

A: Automotive-grade parts (AC1206FR-074K75L, CRCW12064K75FKEA, RMCF1206FT4K75, CRCW12064K75FKEAHP) carry AEC-Q200 certification, indicating qualification for automotive applications with enhanced reliability testing. Standard industrial-grade parts (CR1206-FX-4751ELF, RC1206FR-074K75L) lack this certification. Selection depends on application requirements.

Q3: Why is ERJ-8ENF4751V marked "Not For New Designs"?

A: ERJ-8ENF4751V carries a "Not For New Designs" status from the manufacturer, indicating the product line is being phased out. While electrically and mechanically compatible, this part should be used only for maintenance of existing systems. New designs should use Active-status alternatives.

Q4: Is CRCW12064K75FKTA suitable for RoHS-compliant applications?

A: No. CRCW12064K75FKTA is RoHS non-compliant and REACH affected. Use this part only in applications where RoHS compliance is not required. For RoHS-compliant designs, select from ROHS3-compliant alternatives.

Q5: Are all substitute parts available in the same packaging formats?

A: No. Packaging formats vary: RC1206FR-074K75L is supplied in Cut Tape (CT) & Digi-Reel®, while most other substitutes are supplied in Tape & Reel (TR). Verify packaging compatibility with your procurement and assembly processes before selection.

Q6: What is Moisture Sensitivity Level (MSL) 1, and why is it important?

A: MSL 1 indicates unlimited shelf life without moisture-related degradation. All listed parts carry MSL 1 rating, meaning they do not require special moisture-control storage or handling procedures. This specification is consistent across all substitutes.

Q7: Can I use RC1206FR-074K75L as a direct replacement for RCS3216F4751CS?

A: Yes. RC1206FR-074K75L matches all mandatory parameters: 4.75 kΩ resistance, ±1% tolerance, 0.25W power rating, 1206 package, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, and MSL 1. Both are ROHS3 compliant and Active status. This is a direct functional equivalent.

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