RCS3216F305CS Equivalent & Substitute Parts

Part Overview

The RCS3216F305CS is a 3 MOhms ±1% 0.25W thick film chip resistor manufactured by Samsung Electro-Mechanics in the 1206 (3216 Metric) package. This component is classified as Active product status with anti-sulfur and moisture-resistant characteristics. The part is ROHS3 compliant and suitable for general industrial applications requiring high-value resistive elements with tight tolerance specifications.

Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component, enabling direct replacement in circuit designs without functional degradation.

Key Parameters

Parameter	Value
Resistance	3 MOhms
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 validity for the RCS3216F305CS is determined by strict equivalence across the following critical parameters:

Electrical Equivalence: Resistance value (3 MOhms), tolerance (±1%), power rating (0.25W), and temperature coefficient (±100ppm/°C) must match exactly.

Mechanical Compatibility: Package designation (1206 / 3216 Metric), physical dimensions, and termination count (2) must be identical or within acceptable PCB assembly tolerances.

Environmental & Compliance: Operating temperature range (-55°C ~ 155°C), Moisture Sensitivity Level (MSL 1), RoHS3 compliance, and REACH status must be maintained.

Composition: Thick film construction is required for functional equivalence.

All four substitute parts listed below satisfy these criteria and are classified as direct equivalents.

Parameter Comparison

Parameter	RCS3216F305CS (Samsung)	AC1206FR-073ML (YAGEO)	CRCW12063M00FKEA (Vishay Dale)	KTR18EZPF3004 (Rohm)	RC1206FR-073ML (YAGEO)
Resistance	3 MOhms	3 MOhms	3 MOhms	3 MOhms	3 MOhms
Tolerance	±1%	±1%	±1%	±1%	±1%
Power Rating	0.25W	0.25W	0.25W	0.25W	0.25W
Package / Case	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
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected
Packaging Format	-	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)
Product Status	Active	Active	Active	Active	Active

Engineering Selection Recommendations

All four substitute parts are functionally equivalent to the RCS3216F305CS based on electrical and mechanical parameter alignment. Selection among these alternatives is determined by application-specific requirements and supply chain considerations:

AC1206FR-073ML (YAGEO): Includes Automotive AEC-Q200 qualification and moisture-resistant features. Inventory: 25,663 units.

CRCW12063M00FKEA (Vishay Dale): Includes Automotive AEC-Q200 qualification. Inventory: 12,575 units. Dimensions match original part exactly (0.126" L x 0.063" W).

KTR18EZPF3004 (Rohm Semiconductor): Includes Automotive AEC-Q200 qualification and high-voltage capability. Highest inventory availability: 107,085 units.

RC1206FR-073ML (YAGEO): Moisture-resistant thick film construction without automotive qualification. Inventory: 56,279 units.

All parts maintain ROHS3 compliance, REACH unaffected status, and MSL 1 rating. Selection should account for automotive qualification requirements if applicable to the end application.

Frequently Asked Questions (FAQ)

Q: Can AC1206FR-073ML replace RCS3216F305CS in non-automotive applications?

A: Yes. AC1206FR-073ML meets all electrical and mechanical specifications of RCS3216F305CS. The AEC-Q200 automotive qualification is an additional feature that does not restrict use in general industrial applications.

Q: What is the difference between RC1206FR-073ML and AC1206FR-073ML?

A: Both are YAGEO 1206 3 MOhms ±1% resistors. AC1206FR-073ML includes Automotive AEC-Q200 qualification; RC1206FR-073ML does not. Electrical performance is equivalent.

Q: Are dimensional variations between substitute parts significant?

A: Dimensional variations are within acceptable PCB assembly tolerances. RCS3216F305CS: 0.126" L x 0.063" W; AC1206FR-073ML and RC1206FR-073ML: 0.122" L x 0.063" W; CRCW12063M00FKEA and KTR18EZPF3004: 0.126" L x 0.063" W. All are classified as 1206 (3216 Metric) package.

Q: Which substitute part has the highest inventory availability?

A: KTR18EZPF3004 (Rohm Semiconductor) with 107,085 units in stock.

Q: Do all substitute parts maintain the same operating temperature range?

A: Yes. All substitute parts operate across -55°C ~ 155°C, matching the original RCS3216F305CS specification.

Q: Is moisture sensitivity a differentiating factor among these parts?

A: No. All parts, including the original, carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions during storage or handling.

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