RCS3216F102CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216F102CS is a 1 kOhms ±1% 0.25W 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 characteristics. The part is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1) and operates across -55°C to 155°C temperature range.

Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component. This reference provides direct and similar alternatives from qualified manufacturers for procurement flexibility and supply chain continuity.

Key Parameters

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

Substitute Part Grouping Explanation

Substitute parts for the RCS3216F102CS are qualified based on the following critical parameters:

Electrical Equivalence: Resistance value of 1 kOhms with ±1% tolerance and temperature coefficient of ±100ppm/°C are mandatory matching criteria.

Power Rating Compatibility: The primary substitute group maintains 0.25W (1/4W) power rating. Parts with higher power ratings (0.5W, 0.75W) are listed as similar alternatives and require circuit validation before substitution.

Package Compatibility: All substitutes use 1206 (3216 Metric) surface mount package with 2 terminations. Dimensional variations within supplier specifications (length 0.122" to 0.126", height 0.024" to 0.030") remain within PCB assembly tolerances.

Compliance Requirements: ROHS3 compliance and MSL 1 rating are maintained across all direct substitutes. Automotive AEC-Q200 certification is present in several alternatives but not required for general industrial applications.

Composition & Features: Thick film construction is consistent. Anti-sulfur and moisture-resistant properties are specified in the original part and maintained in qualified substitutes.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Temp Coeff	Operating Temp	Package	RoHS Status	MSL	AEC-Q200
RCS3216F102CS	Samsung Electro-Mechanics	1 kOhms	±1%	0.25W	±100ppm/°C	-55°C ~ 155°C	1206	ROHS3	1	No
AF1206FR-071KL	YAGEO	1 kOhms	±1%	0.25W	±100ppm/°C	-55°C ~ 155°C	1206	ROHS3	1	Yes
AC1206FR-071KL	YAGEO	1 kOhms	±1%	0.25W	±100ppm/°C	-55°C ~ 155°C	1206	ROHS3	1	Yes
CR1206-FX-1001ELF	Bourns Inc.	1 kOhms	±1%	0.25W	±100ppm/°C	-55°C ~ 155°C	1206	ROHS3	1	No
CRCW12061K00FKEA	Vishay Dale	1 kOhms	±1%	0.25W	±100ppm/°C	-55°C ~ 155°C	1206	ROHS3	1	Yes
CRCW12061K00FKEAHP	Vishay Dale	1 kOhms	±1%	0.75W	±100ppm/°C	-55°C ~ 155°C	1206	ROHS3	1	Yes
CRCW12061K00FKTA	Vishay Dale	1 kOhms	±1%	0.25W	±100ppm/°C	-55°C ~ 155°C	1206	RoHS non-compliant	1	Yes
ERJ-8ENF1001V	Panasonic Electronic Components	1 kOhms	±1%	0.25W	±100ppm/°C	-55°C ~ 155°C	1206	ROHS3	1	Yes
ESR18EZPF1001	Rohm Semiconductor	1 kOhms	±1%	0.5W	±100ppm/°C	-55°C ~ 155°C	1206	ROHS3	1	Yes
KTR18EZPF1001	Rohm Semiconductor	1 kOhms	±1%	0.25W	±100ppm/°C	-55°C ~ 155°C	1206	ROHS3	1	Yes
RC1206FR-071KL	YAGEO	1 kOhms	±1%	0.25W	±100ppm/°C	-55°C ~ 155°C	1206	ROHS3	1	No

Engineering Selection Recommendations

Direct Substitutes (Identical Electrical & Power Specifications):

Parts AF1206FR-071KL, AC1206FR-071KL, CR1206-FX-1001ELF, CRCW12061K00FKEA, ERJ-8ENF1001V, KTR18EZPF1001, and RC1206FR-071KL maintain full electrical and power rating equivalence to RCS3216F102CS. These components are suitable for direct PCB substitution without circuit modification.

Compliance Considerations:

ROHS3 compliance is maintained across all recommended direct substitutes. CRCW12061K00FKTA is RoHS non-compliant and should not be selected for applications requiring regulatory compliance.

Automotive Applications:

Parts with AEC-Q200 certification (AF1206FR-071KL, AC1206FR-071KL, CRCW12061K00FKEA, ERJ-8ENF1001V, KTR18EZPF1001) are qualified for automotive environments. Selection of AEC-Q200 certified alternatives is required for automotive circuit applications.

Product Status:

ERJ-8ENF1001V carries "Not For New Designs" status. While functionally equivalent, this part should not be selected for new product development. Panasonic recommends ERJ-S08F1001V as the replacement in their product line.

Higher Power Rating Alternative:

CRCW12061K00FKEAHP provides 0.75W power rating in the same 1206 package. This part is suitable only when circuit design requires increased power dissipation capability and thermal management is validated.

Higher Power Rating Alternative:

ESR18EZPF1001 provides 0.5W power rating. This part is suitable when circuit design requires increased power dissipation capability compared to the 0.25W original specification.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC1206FR-071KL for RCS3216F102CS without PCB modification?

A: Yes. RC1206FR-071KL maintains identical electrical specifications (1 kOhms ±1%, 0.25W), temperature coefficient (±100ppm/°C), operating range (-55°C to 155°C), and 1206 package dimensions. PCB footprint compatibility is confirmed. ROHS3 compliance is maintained.

Q: What is the difference between parts with and without AEC-Q200 certification?

A: AEC-Q200 certification indicates automotive-grade qualification with enhanced reliability testing and failure rate documentation. Parts without AEC-Q200 (RCS3216F102CS, CR1206-FX-1001ELF, RC1206FR-071KL) are suitable for industrial and consumer applications. AEC-Q200 certified alternatives must be selected for automotive circuit applications.

Q: Can I use CRCW12061K00FKEAHP (0.75W) as a substitute for the 0.25W original part?

A: CRCW12061K00FKEAHP is electrically equivalent but rated for higher power dissipation (0.75W vs. 0.25W). Substitution is possible only when circuit design validation confirms that the higher power rating does not introduce thermal or reliability concerns. The component dimensions remain within 1206 package specifications.

Q: Why is ERJ-8ENF1001V marked "Not For New Designs"?

A: This designation indicates that Panasonic has transitioned this part to end-of-life status. While functionally equivalent and currently in stock, new product designs should select active-status alternatives such as AF1206FR-071KL, KTR18EZPF1001, or RC1206FR-071KL to ensure long-term supply availability.

Q: Are there dimensional differences between substitute parts that affect PCB assembly?

A: Dimensional variations exist within supplier specifications. Length ranges from 0.122" to 0.126" and height from 0.024" to 0.030". These variations remain within standard PCB assembly tolerances for 1206 package components. Reflow soldering parameters do not require adjustment.

Q: What is the significance of MSL 1 (Unlimited) rating?

A: MSL 1 indicates unlimited shelf life without moisture baking requirements. All listed substitutes maintain MSL 1 rating, confirming compatibility with standard warehouse storage and handling procedures without special moisture control measures.

Q: Can CRCW12061K00FKTA be used in new designs?

A: CRCW12061K00FKTA is RoHS non-compliant and marked with REACH Affected status. This part should not be selected for new product development or applications requiring regulatory compliance. Select ROHS3 compliant alternatives instead.

Q: How do I verify package compatibility on my PCB?

A: All listed substitutes use 1206 (3216 Metric) package with 2 terminations. Verify your PCB footprint specification matches 1206 dimensions. Standard 1206 footprints accommodate all listed alternatives without modification.

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