RC2012F1272CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F1272CS is a 12.7 kOhms ±1% 0.125W (1/8W) chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This thick film, moisture-resistant component operates across -55°C to 155°C and is ROHS3 compliant with MSL 1 rating. The part is currently active in production with 1,044 units in stock. Equivalent and substitute parts are identified when electrical specifications, mechanical dimensions, and compliance requirements align with the original component, enabling seamless integration in circuit designs where the primary part becomes unavailable.

Key Parameters

Parameter	Value
Resistance	12.7 kOhms
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	1 (Unlimited)
Number of Terminations	2
Size / Dimension	0.079" L x 0.049" W (2.00mm x 1.25mm)

Substitute Part Grouping Explanation

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

Electrical Specifications: Resistance value (12.7 kOhms), tolerance (±1%), power rating (0.125W), and temperature coefficient (±100ppm/°C) must be identical.

Mechanical Compatibility: Package type (0805/2012 Metric), footprint dimensions (0.079" L x 1.25mm W), and termination count (2) must match to ensure PCB assembly compatibility.

Environmental & Compliance: Operating temperature range (-55°C ~ 155°C), Moisture Sensitivity Level (MSL 1), and RoHS compliance status determine suitability for specific applications.

Composition: Thick film construction is maintained across all substitutes to preserve thermal and frequency response characteristics.

All identified substitute parts meet these criteria. Differences in packaging format (Tape & Reel vs. Cut Tape), manufacturer-specific height variations, and optional automotive certifications (AEC-Q200) are noted but do not disqualify substitution when electrical and mechanical parameters align.

Parameter Comparison

Parameter	RC2012F1272CS (Samsung)	RC0805FR-0712K7L (YAGEO)	CRCW080512K7FKEA (Vishay Dale)	CRCW080512K7FKTA (Vishay Dale)	ERJ-6ENF1272V (Panasonic)	RMCF0805FT12K7 (Stackpole)
Resistance	12.7 kOhms	12.7 kOhms	12.7 kOhms	12.7 kOhms	12.7 kOhms	12.7 kOhms
Tolerance	±1%	±1%	±1%	±1%	±1%	±1%
Power Rating	0.125W	0.125W	0.125W	0.125W	0.125W	0.125W
Package / Case	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)	0805 (2012 Metric)
Composition	Thick Film	Thick Film	Thick Film	Thick Film	Thick Film	Thick Film
Temperature Coefficient	±100ppm/°C	±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	-55°C ~ 155°C
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Size / Dimension	0.079" L x 0.049" W (2.00mm x 1.25mm)	0.079" L x 0.049" W (2.00mm x 1.25mm)	0.079" L x 0.049" W (2.00mm x 1.25mm)	0.079" L x 0.049" W (2.00mm x 1.25mm)	0.079" L x 0.049" W (2.00mm x 1.25mm)	0.079" L x 0.049" W (2.00mm x 1.25mm)
Height - Seated (Max)	0.026" (0.66mm)	0.024" (0.60mm)	0.020" (0.50mm)	0.020" (0.50mm)	0.028" (0.70mm)	0.026" (0.65mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Non-Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Affected	REACH Unaffected	REACH Unaffected
Packaging Format	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®	Cut Tape (CT) & Digi-Reel®	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)
Automotive Rating	None	None	AEC-Q200	AEC-Q200	AEC-Q200	AEC-Q200

Engineering Selection Recommendations

Primary Substitute - RC0805FR-0712K7L (YAGEO): This part is the direct functional equivalent with identical electrical and mechanical specifications. ROHS3 compliance and REACH unaffected status align with the original RC2012F1272CS. The 0.024" seated height is within acceptable PCB assembly tolerances. Available inventory of 20,847 units provides supply continuity. Packaging as Cut Tape & Digi-Reel® is suitable for automated assembly processes.

Automotive-Grade Alternatives: CRCW080512K7FKEA, CRCW080512K7FKTA, ERJ-6ENF1272V, and RMCF0805FT12K7 are AEC-Q200 rated and suitable for applications requiring automotive qualification. These parts maintain identical electrical specifications and 0805 package compatibility. Selection among these options depends on packaging preference (Cut Tape vs. Tape & Reel) and compliance requirements.

Compliance Considerations: CRCW080512K7FKTA is RoHS non-compliant and REACH affected; use only in applications where these restrictions do not apply. All other substitutes maintain ROHS3 compliance and REACH unaffected status, matching the original part's regulatory profile.

Height Variation: Seated height ranges from 0.020" to 0.028" across substitutes. All values remain within standard PCB assembly clearance specifications for 0805 packages. Height differences do not impact electrical performance or mechanical fit on standard PCB layouts.

Frequently Asked Questions (FAQ)

Q: Can RC0805FR-0712K7L replace RC2012F1272CS in all applications?

A: Yes. RC0805FR-0712K7L is a direct substitute with identical resistance (12.7 kOhms), tolerance (±1%), power rating (0.125W), package (0805), temperature range (-55°C ~ 155°C), and compliance status (ROHS3, REACH unaffected). Electrical and mechanical compatibility is complete.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Tape & Reel (TR) packaging supplies components on continuous tape wound on reels, suitable for high-volume automated assembly. Cut Tape (CT) & Digi-Reel® provides smaller quantities on tape segments, suitable for lower-volume production or manual assembly. Both formats contain identical components; selection depends on production volume and assembly equipment.

Q: Are AEC-Q200 rated parts (CRCW080512K7FKEA, ERJ-6ENF1272V, RMCF0805FT12K7) suitable for non-automotive applications?

A: Yes. AEC-Q200 certification indicates automotive-grade reliability and testing. These parts exceed standard industrial specifications and are fully compatible with non-automotive circuits. Use of automotive-grade components in non-automotive applications introduces no compatibility issues.

Q: Why does CRCW080512K7FKTA show RoHS non-compliant status?

A: CRCW080512K7FKTA is RoHS non-compliant and REACH affected. This part is restricted in applications subject to RoHS Directive 2011/65/EU or REACH regulations. Use only in applications where these restrictions do not apply or where exemptions are granted.

Q: Do height differences between substitutes affect PCB assembly?

A: No. Seated height ranges from 0.020" to 0.028" across all substitutes. These variations fall within standard PCB assembly clearance specifications for 0805 packages and do not impact component placement, soldering, or circuit performance.

Q: Can I mix different substitute parts in the same production run?

A: Yes, provided all selected parts meet your application's electrical, mechanical, and compliance requirements. All listed substitutes are electrically and mechanically interchangeable. Mixing parts from different manufacturers is acceptable when specifications align.

Q: Which substitute has the highest inventory availability?

A: RMCF0805FT12K7 (Stackpole Electronics Inc) has the highest inventory with 115,209 units in stock, followed by ERJ-6ENF1272V (Panasonic) with 22,609 units and RC0805FR-0712K7L (YAGEO) with 20,847 units.

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