RCS3216F1743CS Equivalent & Substitute Parts

Part Overview

The RCS3216F1743CS is a 174 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. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component, enabling direct replacement in circuit applications without design modification.

Key Parameters

Parameter	Value
Resistance	174 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)

Substitute Part Grouping Explanation

Substitution eligibility for the RCS3216F1743CS is determined by strict alignment of the following parameters:

Critical Matching Parameters:

Resistance value: 174 kOhms
Tolerance: ±1%
Power rating: 0.25W (1/4W)
Package: 1206 (3216 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C
RoHS3 compliance
MSL rating: 1 (Unlimited)

All identified substitute parts meet these electrical and mechanical specifications. Variations in features (such as automotive AEC-Q200 qualification or anti-sulfur coating) represent enhanced capabilities that do not prevent substitution. Product status differences are noted for design consideration but do not affect electrical compatibility.

Parameter Comparison

Parameter	RCS3216F1743CS (Samsung)	CRCW1206174KFKEA (Vishay Dale)	ERJ-8ENF1743V (Panasonic)	RC1206FR-07174KL (YAGEO)
Resistance	174 kOhms	174 kOhms	174 kOhms	174 kOhms
Tolerance	±1%	±1%	±1%	±1%
Power Rating	0.25W	0.25W	0.25W	0.25W
Package	1206 (3216 Metric)	1206 (3216 Metric)	1206 (3216 Metric)	1206 (3216 Metric)
Composition	Thick Film	Thick Film	Thick Film	Thick Film
Temperature Coefficient	±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
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Not For New Designs	Active
Size (Length x Width)	0.126" x 0.063" (3.20mm x 1.60mm)	0.126" x 0.063" (3.20mm x 1.60mm)	0.126" x 0.063" (3.20mm x 1.60mm)	0.122" x 0.063" (3.10mm x 1.60mm)
Height - Seated (Max)	0.026" (0.66mm)	0.024" (0.60mm)	0.028" (0.70mm)	0.026" (0.65mm)

Engineering Selection Recommendations

For Active Product Designs: CRCW1206174KFKEA (Vishay Dale) and RC1206FR-07174KL (YAGEO) are recommended as primary substitutes. Both components maintain Active product status, ensuring long-term availability and manufacturing support. CRCW1206174KFKEA includes automotive AEC-Q200 qualification, suitable for applications requiring enhanced reliability standards. RC1206FR-07174KL provides moisture-resistant characteristics aligned with the original component's environmental protection features.

For Existing Production or Legacy Support: ERJ-8ENF1743V (Panasonic) is electrically and mechanically compatible but carries "Not For New Designs" status. This component is suitable for replacement in existing assemblies or production runs where continuity is required, but should not be selected for new circuit designs due to its discontinued design status.

Compliance Considerations: All substitute parts are ROHS3 compliant and carry MSL rating 1 (Unlimited), matching the original component's environmental and regulatory requirements. No additional compliance verification is required for direct substitution.

Frequently Asked Questions (FAQ)

Q: Can CRCW1206174KFKEA replace RCS3216F1743CS in all applications?

A: Yes. Both components share identical electrical specifications (174 kOhms ±1%, 0.25W), temperature coefficient (±100ppm/°C), operating range (-55°C ~ 155°C), and package dimensions (1206 / 3216 Metric). The CRCW1206174KFKEA includes automotive AEC-Q200 qualification, which represents enhanced reliability without affecting compatibility.

Q: What is the difference between the main part and ERJ-8ENF1743V?

A: Electrical and mechanical specifications are identical. The primary difference is product status: RCS3216F1743CS is Active, while ERJ-8ENF1743V is Not For New Designs. This indicates Panasonic has discontinued this model for new applications. ERJ-8ENF1743V remains suitable for replacement in existing assemblies.

Q: Are there dimensional differences between substitute parts?

A: Minor variations exist in seated height and length. RC1206FR-07174KL measures 3.10mm length (versus 3.20mm for others) and 0.65mm height. These differences fall within standard 1206 package tolerances and do not affect PCB layout or circuit performance.

Q: Do all substitute parts have the same moisture sensitivity rating?

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

Q: Which substitute offers the best long-term availability?

A: CRCW1206174KFKEA (Vishay Dale) and RC1206FR-07174KL (YAGEO) both maintain Active product status with substantial inventory levels, ensuring continued availability for future production requirements.

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