RC3216F1212CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F1212CS is a 12.1 kOhms ±1% 0.25W thick film chip resistor manufactured by Samsung Electro-Mechanics in 1206 (3216 Metric) package format. This component is classified as Active product status with moisture-resistant construction and ROHS3 compliance. Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating) and mechanical compatibility (package type, dimensions, termination count) to ensure direct functional replacement in circuit applications.

Key Parameters

Parameter	Specification
Resistance Value	12.1 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
Number of Terminations	2
Moisture Sensitivity Level (MSL)	1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the RC3216F1212CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Resistance Value: 12.1 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
Number of Terminations: 2
Moisture Sensitivity Level: 1 (Unlimited)

Substitution Categories:

Direct Equivalents match all mandatory parameters with identical electrical and mechanical specifications:

CR1206-FX-1212ELF (Bourns Inc.)
RC1206FR-0712K1L (YAGEO)

Similar Substitutes match all mandatory parameters but include additional features or certifications:

CRCW120612K1FKEA (Vishay Dale) – Automotive AEC-Q200 rated
CRCW120612K1FKTA (Vishay Dale) – Automotive AEC-Q200 rated
ERJ-8ENF1212V (Panasonic Electronic Components) – Automotive AEC-Q200 rated
RMCF1206FT12K1 (Stackpole Electronics Inc) – Automotive AEC-Q200 rated

Enhanced Specification Substitute exceeds power rating requirement:

CRCW120612K1FKEAHP (Vishay Dale) – 0.75W (3/4W) power rating with Automotive AEC-Q200 and Pulse Withstanding features

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Temp Coeff	Operating Temp	Size (mm)	Height Max (mm)	RoHS Status	Product Status	Features
RC3216F1212CS	Samsung Electro-Mechanics	12.1 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	3.20 x 1.60	0.66	ROHS3 Compliant	Active	Moisture Resistant
CR1206-FX-1212ELF	Bourns Inc.	12.1 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	3.20 x 1.60	0.75	ROHS3 Compliant	Active	Moisture Resistant
RC1206FR-0712K1L	YAGEO	12.1 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	3.10 x 1.60	0.65	ROHS3 Compliant	Active	Moisture Resistant
CRCW120612K1FKEA	Vishay Dale	12.1 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	3.20 x 1.60	0.60	ROHS3 Compliant	Active	Automotive AEC-Q200
CRCW120612K1FKEAHP	Vishay Dale	12.1 kOhms	±1%	0.75W	1206	±100ppm/°C	-55°C ~ 155°C	3.10 x 1.60	0.65	ROHS3 Compliant	Active	Automotive AEC-Q200, Pulse Withstanding
CRCW120612K1FKTA	Vishay Dale	12.1 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	3.20 x 1.60	0.60	RoHS non-compliant	Active	Automotive AEC-Q200
ERJ-8ENF1212V	Panasonic Electronic Components	12.1 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	3.20 x 1.60	0.70	ROHS3 Compliant	Not For New Designs	Automotive AEC-Q200
RMCF1206FT12K1	Stackpole Electronics Inc	12.1 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	3.20 x 1.60	0.70	ROHS3 Compliant	Active	Automotive AEC-Q200

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications):

CR1206-FX-1212ELF (Bourns Inc.) and RC1206FR-0712K1L (YAGEO) are functionally equivalent to RC3216F1212CS. Both maintain Active product status, ROHS3 compliance, and identical electrical parameters. These parts are suitable for applications requiring no additional certifications or features beyond the base specification.

For Automotive and Compliance-Enhanced Applications:

CRCW120612K1FKEA and RMCF1206FT12K1 are recommended for designs requiring Automotive AEC-Q200 certification while maintaining the 0.25W power rating and ROHS3 compliance. Both parts are Active status and provide enhanced reliability qualification for automotive environments.

For Applications Requiring Enhanced Power Handling:

CRCW120612K1FKEAHP provides 0.75W power rating with Automotive AEC-Q200 certification and Pulse Withstanding capability. This part is suitable for circuits experiencing transient power conditions while maintaining the same resistance and tolerance specifications.

Not Recommended for New Designs:

ERJ-8ENF1212V (Panasonic Electronic Components) carries "Not For New Designs" product status. While electrically and mechanically compatible, this part should not be selected for new circuit development.

Compliance Consideration:

CRCW120612K1FKTA (Vishay Dale) is RoHS non-compliant and REACH Affected. This part should be avoided in applications requiring ROHS3 compliance or REACH compliance verification.

Frequently Asked Questions (FAQ)

Q: Can CR1206-FX-1212ELF directly replace RC3216F1212CS without circuit modification?

A: Yes. CR1206-FX-1212ELF matches all critical electrical parameters (12.1 kOhms ±1%, 0.25W) and mechanical specifications (1206 package, 2 terminations). Both parts are ROHS3 compliant with identical operating temperature range and moisture sensitivity level. No circuit modification is required.

Q: What is the difference between CRCW120612K1FKEA and CRCW120612K1FKEAHP?

A: The primary difference is power rating. CRCW120612K1FKEA is rated 0.25W (1/4W), while CRCW120612K1FKEAHP is rated 0.75W (3/4W). Both share identical resistance (12.1 kOhms), tolerance (±1%), and package (1206). CRCW120612K1FKEAHP includes Pulse Withstanding capability. Selection depends on circuit power dissipation requirements.

Q: Why is ERJ-8ENF1212V marked "Not For New Designs"?

A: ERJ-8ENF1212V carries "Not For New Designs" status, indicating the manufacturer has discontinued active development and recommends alternative parts for new circuit designs. While the part remains electrically compatible, it should not be selected for new product development.

Q: Are all substitute parts available in the same packaging format?

A: All listed substitute parts use 1206 (3216 Metric) package format. However, packaging options (Tape & Reel, Cut Tape, Digi-Reel) vary by manufacturer and supplier. Verify packaging availability with your component supplier for procurement requirements.

Q: What is the significance of Automotive AEC-Q200 certification?

A: Automotive AEC-Q200 certification indicates the part meets automotive industry reliability and qualification standards. Parts with this certification (CRCW120612K1FKEA, CRCW120612K1FKTA, ERJ-8ENF1212V, RMCF1206FT12K1) are suitable for automotive applications requiring enhanced reliability verification. Non-automotive applications do not require this certification.

Q: Can CRCW120612K1FKTA be used in RoHS-compliant designs?

A: No. CRCW120612K1FKTA is RoHS non-compliant and REACH Affected. For designs requiring ROHS3 compliance, select alternative parts such as CR1206-FX-1212ELF, RC1206FR-0712K1L, CRCW120612K1FKEA, CRCW120612K1FKEAHP, ERJ-8ENF1212V, or RMCF1206FT12K1.

Q: What determines whether a part is a "Direct Equivalent" versus a "Similar Substitute"?

A: Direct Equivalents match all mandatory electrical and mechanical parameters without additional features or certifications. Similar Substitutes match all mandatory parameters but include additional certifications (such as Automotive AEC-Q200) or enhanced features. Both categories are functionally compatible; selection depends on application requirements for additional certifications or capabilities.

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