RCS3216F912CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216F912CS is a 9.1 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 and features anti-sulfur and moisture-resistant construction suitable for general industrial and commercial applications. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and package compatibility to ensure direct circuit board replacement capability.

Key Parameters

Parameter	Specification
Resistance Value	9.1 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)

Substitute Part Grouping Explanation

Substitute parts for the RCS3216F912CS are qualified based on the following criteria:

Electrical Parameters (Critical):

Resistance value: 9.1 kOhms
Tolerance: ±1%
Power rating: 0.25W (1/4W)
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C

Mechanical Parameters (Critical):

Package type: 1206 (3216 Metric)
Number of terminations: 2
Physical dimensions compatible with 1206 footprint

Compliance Parameters:

RoHS3 Compliant status
Moisture Sensitivity Level 1 (Unlimited)
REACH Unaffected status

All five substitute parts listed below meet these core criteria. Variations in packaging format (Tape & Reel vs. Cut Tape), manufacturer-specific features (Automotive AEC-Q200 certification), and minor dimensional tolerances do not affect electrical or mechanical substitutability.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power	Package	Temp Coeff	Op. Temp Range	RoHS3	MSL	Product Status
RCS3216F912CS	Samsung Electro-Mechanics	9.1 kΩ	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Yes	1	Active
AC1206FR-079K1L	YAGEO	9.1 kΩ	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Yes	1	Active
CR1206-FX-9101ELF	Bourns Inc.	9.1 kΩ	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Yes	1	Active
CRCW12069K10FKEA	Vishay Dale	9.1 kΩ	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Yes	1	Active
ERJ-8ENF9101V	Panasonic Electronic Components	9.1 kΩ	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Yes	1	Not For New Designs
RC1206FR-079K1L	YAGEO	9.1 kΩ	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Yes	1	Active

Engineering Selection Recommendations

Primary Substitutes (Active Product Status):

AC1206FR-079K1L, CR1206-FX-9101ELF, CRCW12069K10FKEA, and RC1206FR-079K1L are all classified as Active products and are suitable for new designs and ongoing production. These parts maintain full electrical and mechanical compatibility with the RCS3216F912CS.

AC1206FR-079K1L and CRCW12069K10FKEA include Automotive AEC-Q200 certification, which provides additional qualification for automotive-grade applications. These parts are appropriate for designs requiring automotive-level reliability.

CR1206-FX-9101ELF and RC1206FR-079K1L are suitable for general industrial and commercial applications without automotive-specific requirements.

Secondary Substitute (Legacy Status):

ERJ-8ENF9101V is classified as Not For New Designs. This part meets all electrical and mechanical substitution criteria but should not be selected for new circuit designs. Existing designs currently using this part may continue operation, but migration to an Active-status alternative is recommended for long-term supply chain stability.

Packaging Considerations:

All substitute parts are available in 1206 package format. Packaging format differences (Tape & Reel vs. Cut Tape) do not affect electrical performance or PCB footprint compatibility and are determined by procurement and assembly requirements.

Frequently Asked Questions (FAQ)

Q: Can I substitute the RCS3216F912CS with any of these parts directly on the PCB?

A: Yes. All listed substitute parts share identical electrical specifications (9.1 kOhms ±1%, 0.25W), temperature characteristics (±100ppm/°C, -55°C ~ 155°C), and 1206 package footprint. Direct PCB replacement is supported without circuit redesign.

Q: What is the difference between the substitute parts?

A: The substitute parts differ by manufacturer and product status. AC1206FR-079K1L, CRCW12069K10FKEA, and CR1206-FX-9101ELF are Active products suitable for new designs. RC1206FR-079K1L is also Active. ERJ-8ENF9101V is Not For New Designs. AC1206FR-079K1L and CRCW12069K10FKEA include Automotive AEC-Q200 certification for automotive applications.

Q: Why is ERJ-8ENF9101V listed if it is Not For New Designs?

A: ERJ-8ENF9101V meets all electrical and mechanical substitution criteria and is included for reference in existing designs currently using this part. For new designs, select from the Active-status alternatives.

Q: Does packaging format (Tape & Reel vs. Cut Tape) affect substitutability?

A: No. Packaging format affects procurement and assembly logistics only. Electrical performance and PCB footprint compatibility are identical regardless of packaging format.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts are RoHS3 Compliant with Moisture Sensitivity Level 1 (Unlimited) and REACH Unaffected status, matching the compliance profile of the RCS3216F912CS.

Q: Which substitute should I select for automotive applications?

A: AC1206FR-079K1L or CRCW12069K10FKEA are qualified with Automotive AEC-Q200 certification. Both are Active products suitable for automotive-grade designs.

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