RC2012F22R1CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F22R1CS is a 22.1 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.125W (1/8W) in 0805 (2012 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, mechanical dimensions, and environmental ratings to ensure direct functional replacement in circuit applications.

Key Parameters

Parameter	Specification
Resistance Value	22.1 Ohms
Tolerance	±1%
Power Rating	0.125W (1/8W)
Package / Case	0805 (2012 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

Substitute parts for the RC2012F22R1CS are classified into two categories based on electrical and mechanical compatibility:

Direct Substitutes (Identical Electrical & Mechanical Specifications): Parts meeting all key parameters: 22.1 Ohms resistance, ±1% tolerance, 0.125W power rating, 0805 package, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, and MSL 1 rating. These parts are interchangeable without circuit redesign.

Similar Substitutes (Equivalent Electrical Specifications with Variations): Parts matching resistance, tolerance, package, and temperature range but differing in power rating (0.5W instead of 0.125W), automotive qualification (AEC-Q200), or compliance status. These require application-level verification for suitability.

Substitution Criteria:

Resistance value and tolerance must match exactly
Package dimensions (0805/2012 Metric) must be identical
Operating temperature range must encompass or equal the original specification
Power rating must equal or exceed the original 0.125W requirement
Moisture sensitivity level must be MSL 1 or lower
RoHS and REACH compliance status should align with application requirements

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Height Max (mm)	RoHS Status	Product Status
RC2012F22R1CS	Samsung Electro-Mechanics	22.1 Ω	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	0.65	ROHS3	Active
CR0805-FX-22R1ELF	Bourns Inc.	22.1 Ω	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	0.60	ROHS3	Active
ERJ-6ENF22R1V	Panasonic Electronic Components	22.1 Ω	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	0.70	ROHS3	Active
RC0805FR-0722R1L	YAGEO	22.1 Ω	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	0.60	ROHS3	Active
RMCF0805FT22R1	Stackpole Electronics Inc	22.1 Ω	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	0.65	ROHS3	Active
CRCW080522R1FKEA	Vishay Dale	22.1 Ω	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	0.50	ROHS3	Active
CRCW080522R1FKEAHP	Vishay Dale	22.1 Ω	±1%	0.5	0805	±100ppm/°C	-55 ~ 155°C	0.50	ROHS3	Active
CRCW080522R1FKTA	Vishay Dale	22.1 Ω	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	0.50	RoHS non-compliant	Active
MCR10ERTF22R1	Rohm Semiconductor	22.1 Ω	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	0.65	ROHS3	Discontinued
RCS080522R1FKEA	Vishay Dale	22.1 Ω	±1%	0.5	0805	±100ppm/°C	-55 ~ 155°C	0.50	ROHS3	Active

Engineering Selection Recommendations

Preferred Direct Substitutes (Active Status, ROHS3 Compliant, 0.125W Rating):

CR0805-FX-22R1ELF (Bourns Inc.) – Active product with ROHS3 compliance, identical electrical specifications, and 0.60mm seated height.
ERJ-6ENF22R1V (Panasonic Electronic Components) – Active product with ROHS3 compliance and AEC-Q200 automotive qualification, suitable for automotive and industrial applications.
RC0805FR-0722R1L (YAGEO) – Active product with ROHS3 compliance and moisture-resistant construction, 0.60mm seated height.
RMCF0805FT22R1 (Stackpole Electronics Inc) – Active product with ROHS3 compliance and AEC-Q200 automotive qualification, high inventory availability.
CRCW080522R1FKEA (Vishay Dale) – Active product with ROHS3 compliance and AEC-Q200 automotive qualification, lowest seated height at 0.50mm.

Alternative Substitutes (Higher Power Rating, 0.5W):

CRCW080522R1FKEAHP (Vishay Dale) – 0.5W power rating with pulse withstanding capability and AEC-Q200 qualification. Suitable where higher power dissipation margin is required.
RCS080522R1FKEA (Vishay Dale) – 0.5W power rating with pulse withstanding capability and AEC-Q200 qualification.

Not Recommended:

CRCW080522R1FKTA (Vishay Dale) – RoHS non-compliant and REACH affected; use only in applications where legacy compliance is acceptable.
MCR10ERTF22R1 (Rohm Semiconductor) – Discontinued at DiGi Electronics; avoid for new designs requiring long-term availability.

Frequently Asked Questions (FAQ)

Q1: Can I use a 0.5W rated resistor (CRCW080522R1FKEAHP) as a substitute for the 0.125W RC2012F22R1CS?

A: Yes. The 0.5W resistor exceeds the power requirement and maintains identical resistance, tolerance, package, and temperature specifications. Higher power rating provides additional thermal margin without affecting circuit function.

Q2: What is the difference between direct substitutes and similar substitutes in this reference?

A: Direct substitutes match all electrical and mechanical parameters of the RC2012F22R1CS, including 0.125W power rating. Similar substitutes may have higher power ratings (0.5W) or automotive qualifications (AEC-Q200) but remain electrically compatible. Selection depends on application requirements.

Q3: Are automotive-qualified parts (AEC-Q200) suitable for non-automotive applications?

A: Yes. AEC-Q200 qualification indicates enhanced reliability testing and stricter manufacturing controls. These parts are fully compatible with non-automotive applications and provide equivalent or superior performance.

Q4: Why is the seated height specification important when selecting a substitute?

A: Seated height affects PCB assembly clearance and component density. The RC2012F22R1CS has a maximum seated height of 0.65mm. Substitutes with lower seated heights (0.50mm or 0.60mm) provide additional design flexibility and may improve assembly yield in high-density layouts.

Q5: Can I substitute MCR10ERTF22R1 if it is still available in inventory?

A: MCR10ERTF22R1 is discontinued at DiGi Electronics. While existing inventory may be available, new designs should not rely on discontinued parts. Use active alternatives such as CR0805-FX-22R1ELF or RMCF0805FT22R1 for long-term supply assurance.

Q6: What does MSL 1 (Unlimited) moisture sensitivity level mean?

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All listed substitutes maintain MSL 1 rating, ensuring compatibility with standard manufacturing processes.

Q7: Are all listed substitutes ROHS3 compliant?

A: All substitutes except CRCW080522R1FKTA are ROHS3 compliant. CRCW080522R1FKTA is RoHS non-compliant and REACH affected; use only in applications where legacy compliance is explicitly required.

Q8: How do I verify that a substitute part is suitable for my specific application?

A: Confirm that the substitute matches the RC2012F22R1CS in resistance value (22.1 Ω), tolerance (±1%), package (0805), and operating temperature range (-55°C to 155°C). Verify that power rating meets or exceeds 0.125W. Check compliance requirements (RoHS, REACH) against your application standards.

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