RC2012F112CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F112CS is a 1.1 kOhm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This component operates at 0.125W (1/8W) power rating with moisture-resistant construction and is rated for operating temperatures from -55°C to 155°C. The part maintains Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). 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	Value
Resistance	1.1 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
Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the RC2012F112CS are classified into two categories based on electrical and mechanical parameter alignment:

Direct Substitutes maintain identical electrical specifications (1.1 kOhms, ±1% tolerance, 0.125W power rating) and mechanical dimensions (0805 package, 2.00mm x 1.25mm). These parts are interchangeable without circuit modification:

CR0805-FX-1101ELF (Bourns Inc.)
ERJ-6ENF1101V (Panasonic Electronic Components)
KTR10EZPF1101 (Rohm Semiconductor)
RC0805FR-071K1L (YAGEO)
RMCF0805FG1K10 (Stackpole Electronics Inc.)
RMCF0805FT1K10 (Stackpole Electronics Inc.)

Similar Substitutes share core electrical parameters but include enhanced features or different power ratings. These require application-level verification:

AC0805FR-071K1L (YAGEO) — Adds AEC-Q200 automotive rating and moisture resistance
CRCW08051K10FKEA (Vishay Dale) — Adds AEC-Q200 automotive rating
CRCW08051K10FKEAHP (Vishay Dale) — Increases power rating to 0.5W (1/2W) with pulse withstanding capability
ERJ-UP6F1101V (Panasonic Electronic Components) — Increases power rating to 0.5W (1/2W) with anti-sulfur and pulse withstanding features

Substitution eligibility is determined by matching: resistance value, tolerance, package dimensions, operating temperature range, and composition type. Power rating differences and additional certifications (AEC-Q200) are noted as design considerations.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Height Max (mm)	Features	RoHS
RC2012F112CS	Samsung Electro-Mechanics	1.1 kΩ	±1%	0.125	0805	±100ppm/°C	-55~155°C	0.65	Moisture Resistant	ROHS3
CR0805-FX-1101ELF	Bourns Inc.	1.1 kΩ	±1%	0.125	0805	±100ppm/°C	-55~155°C	0.60	Moisture Resistant	ROHS3
ERJ-6ENF1101V	Panasonic Electronic Components	1.1 kΩ	±1%	0.125	0805	±100ppm/°C	-55~155°C	0.70	Automotive AEC-Q200	ROHS3
KTR10EZPF1101	Rohm Semiconductor	1.1 kΩ	±1%	0.125	0805	±100ppm/°C	-55~155°C	0.65	Automotive AEC-Q200, High Voltage	ROHS3
RC0805FR-071K1L	YAGEO	1.1 kΩ	±1%	0.125	0805	±100ppm/°C	-55~155°C	0.60	Moisture Resistant	ROHS3
RMCF0805FG1K10	Stackpole Electronics Inc	1.1 kΩ	±1%	0.125	0805	±100ppm/°C	-55~155°C	0.65	Automotive AEC-Q200	ROHS3
RMCF0805FT1K10	Stackpole Electronics Inc	1.1 kΩ	±1%	0.125	0805	±100ppm/°C	-55~155°C	0.65	Automotive AEC-Q200	ROHS3
AC0805FR-071K1L	YAGEO	1.1 kΩ	±1%	0.125	0805	±100ppm/°C	-55~155°C	0.60	Automotive AEC-Q200, Moisture Resistant	ROHS3
CRCW08051K10FKEA	Vishay Dale	1.1 kΩ	±1%	0.125	0805	±100ppm/°C	-55~155°C	0.50	Automotive AEC-Q200	ROHS3
CRCW08051K10FKEAHP	Vishay Dale	1.1 kΩ	±1%	0.5	0805	±100ppm/°C	-55~155°C	0.50	Automotive AEC-Q200, Pulse Withstanding	ROHS3
ERJ-UP6F1101V	Panasonic Electronic Components	1.1 kΩ	±1%	0.5	0805	±100ppm/°C	-55~155°C	0.70	Anti-Sulfur, Automotive AEC-Q200, Pulse Withstanding	ROHS3

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications):

Select from CR0805-FX-1101ELF, ERJ-6ENF1101V, KTR10EZPF1101, RC0805FR-071K1L, RMCF0805FG1K10, or RMCF0805FT1K10 when the application requires no design modification. All maintain 0.125W power rating, ±1% tolerance, and -55°C to 155°C operating range. Packaging format (Tape & Reel or Cut Tape) should be selected based on assembly process requirements.

For Automotive Applications:

ERJ-6ENF1101V, KTR10EZPF1101, RMCF0805FG1K10, RMCF0805FT1K10, AC0805FR-071K1L, and CRCW08051K10FKEA carry AEC-Q200 certification. These parts are suitable for automotive-grade circuit designs where component qualification is required.

For Enhanced Power Handling:

CRCW08051K10FKEAHP and ERJ-UP6F1101V provide 0.5W (1/2W) power rating with pulse withstanding capability. These are applicable when circuit conditions exceed the 0.125W specification of the main part. ERJ-UP6F1101V additionally includes anti-sulfur protection.

Compliance Verification:

All listed parts maintain ROHS3 compliance, MSL 1 rating, and REACH unaffected status, matching the regulatory profile of RC2012F112CS.

Frequently Asked Questions (FAQ)

Q: Can I use a higher power-rated resistor as a substitute?

A: Yes. CRCW08051K10FKEAHP (0.5W) and ERJ-UP6F1101V (0.5W) are electrically compatible substitutes with increased power dissipation capability. Higher power rating does not degrade circuit performance in applications designed for lower power. Physical dimensions remain within 0805 package specification.

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

A: Tape & Reel (TR) packaging is supplied on continuous carrier tape for automated pick-and-place assembly. Cut Tape (CT) packaging is supplied as individual strips cut from the reel. Selection depends on assembly equipment capability. Electrical and mechanical specifications are identical between packaging formats.

Q: Are AEC-Q200 rated parts interchangeable with non-automotive parts?

A: AEC-Q200 parts (ERJ-6ENF1101V, KTR10EZPF1101, RMCF0805FG1K10, RMCF0805FT1K10, AC0805FR-071K1L, CRCW08051K10FKEA) meet automotive qualification standards and are suitable for general industrial applications. They provide additional reliability assurance through automotive-grade testing and are directly substitutable in non-automotive designs.

Q: What does Temperature Coefficient ±100ppm/°C mean for circuit performance?

A: Temperature coefficient specifies resistance value change per degree Celsius. At ±100ppm/°C, a 1.1 kOhm resistor changes by approximately 0.11 Ohms per °C. All listed parts share this specification, ensuring consistent thermal behavior across the operating range of -55°C to 155°C.

Q: Can I substitute based on physical height differences?

A: Physical height variations (0.50mm to 0.70mm maximum seated height) are within 0805 package tolerance and do not affect circuit board assembly or electrical performance. Height differences result from manufacturing process variations between manufacturers and do not impact substitutability.

Q: What does Moisture Resistant feature indicate?

A: Moisture resistant construction (RC2012F112CS, CR0805-FX-1101ELF, RC0805FR-071K1L, AC0805FR-071K1L) provides enhanced protection against humidity and moisture ingress. This feature is beneficial in high-humidity environments but is not required for standard indoor applications. Non-moisture-resistant alternatives function identically in dry environments.

Q: Are all substitute parts in stock?

A: Inventory availability varies by supplier and time. RMCF0805FT1K10 (355,934 pcs), RC0805FR-071K1L (224,684 pcs), and ERJ-6ENF1101V (197,279 pcs) show highest availability. Verify current stock status with component distributors before design finalization.

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