RC2012F514CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F514CS is a 510 kOhms ±1% 0.125W (1/8W) thick film chip resistor in 0805 (2012 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with moisture-resistant characteristics and operates across the temperature range of -55°C to 155°C. The part is ROHS3 compliant and carries MSL Level 1 (Unlimited) moisture sensitivity rating.

Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or design flexibility permits alternative manufacturers while maintaining electrical and mechanical compatibility within the specified parameter tolerances.

Key Parameters

Parameter	Value	Criticality for Substitution
Resistance Value	510 kOhms	Critical - Must Match Exactly
Tolerance	±1%	Critical - Must Match Exactly
Power Rating	0.125W (1/8W)	Critical - Must Match or Exceed
Package / Case	0805 (2012 Metric)	Critical - Must Match Exactly
Composition	Thick Film	Critical - Must Match Exactly
Temperature Coefficient	±100ppm/°C	Critical - Must Match Exactly
Operating Temperature Range	-55°C to 155°C	Critical - Must Match or Exceed
Number of Terminations	2	Critical - Must Match Exactly
RoHS Status	ROHS3 Compliant	Regulatory - Must Match
MSL Rating	1 (Unlimited)	Environmental - Must Match or Better

Substitute Part Grouping Explanation

Substitute parts for the RC2012F514CS are classified into two categories based on substitution compatibility:

Direct Substitutes maintain identical electrical specifications (510 kOhms ±1%, 0.125W, ±100ppm/°C, -55°C to 155°C operating range) and package configuration (0805 2012 Metric, 2 terminations). These parts differ only in manufacturer and may include variations in physical height (seated maximum) within acceptable PCB assembly tolerances. Direct substitutes include CR0805-FX-5103ELF (Bourns), ERJ-6ENF5103V (Panasonic), KTR10EZPF5103 (Rohm), RC0805FR-07510KL (YAGEO), and RMCF0805FT510K (Stackpole).

Similar Substitutes maintain the same core electrical specifications and package but introduce additional features or certifications (such as AEC-Q200 automotive qualification or pulse withstanding capability) or differ in power rating. These parts are suitable when the application permits enhanced specifications. Similar substitutes include AC0805FR-07510KL (YAGEO), CRCW0805510KFKEA (Vishay Dale), CRCW0805510KFKEAHP (Vishay Dale, 0.5W), and RCS0805510KFKEA (Vishay Dale, 0.5W).

Key Parameters Determining Substitution:

Resistance: 510 kOhms (exact match required)
Tolerance: ±1% (exact match required)
Power Rating: 0.125W minimum (equal or higher acceptable)
Package: 0805 (2012 Metric) (exact match required)
Composition: Thick Film (exact match required)
Temperature Coefficient: ±100ppm/°C (exact match required)
Operating Temperature: -55°C to 155°C (equal or wider range acceptable)
RoHS Compliance: ROHS3 (exact match required)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Height Max (mm)	Features	RoHS	MSL
RC2012F514CS	Samsung Electro-Mechanics	510 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.65	Moisture Resistant	ROHS3	1
CR0805-FX-5103ELF	Bourns Inc.	510 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.60	Moisture Resistant	ROHS3	1
ERJ-6ENF5103V	Panasonic Electronic Components	510 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.70	Automotive AEC-Q200	ROHS3	1
KTR10EZPF5103	Rohm Semiconductor	510 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.65	Automotive AEC-Q200, High Voltage	ROHS3	1
RC0805FR-07510KL	YAGEO	510 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.60	Moisture Resistant	ROHS3	1
RMCF0805FT510K	Stackpole Electronics Inc	510 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.65	Automotive AEC-Q200	ROHS3	1
AC0805FR-07510KL	YAGEO	510 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.60	Automotive AEC-Q200, Moisture Resistant	ROHS3	1
CRCW0805510KFKEA	Vishay Dale	510 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.50	Automotive AEC-Q200	ROHS3	1
CRCW0805510KFKEAHP	Vishay Dale	510 kΩ	±1%	0.5	0805	±100ppm/°C	-55 to 155°C	0.50	Automotive AEC-Q200, Pulse Withstanding	ROHS3	1
RCS0805510KFKEA	Vishay Dale	510 kΩ	±1%	0.5	0805	±100ppm/°C	-55 to 155°C	0.50	Automotive AEC-Q200, Pulse Withstanding	ROHS3	1

Engineering Selection Recommendations

Direct Substitution (Preferred for Pin-Compatible Replacement):

CR0805-FX-5103ELF, ERJ-6ENF5103V, KTR10EZPF5103, RC0805FR-07510KL, and RMCF0805FT510K are direct electrical equivalents to RC2012F514CS. All maintain 510 kOhms ±1% resistance, 0.125W power rating, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. All are ROHS3 compliant with MSL Level 1 rating. Physical height variations (0.60mm to 0.70mm seated maximum) fall within standard PCB assembly tolerances and do not affect functionality.

Automotive-Qualified Alternatives:

ERJ-6ENF5103V (Panasonic), KTR10EZPF5103 (Rohm), RMCF0805FT510K (Stackpole), AC0805FR-07510KL (YAGEO), and CRCW0805510KFKEA (Vishay Dale) carry AEC-Q200 automotive qualification. These parts are suitable for applications requiring automotive-grade reliability and traceability while maintaining identical electrical specifications to the main part.

Enhanced Power Rating Options:

CRCW0805510KFKEAHP and RCS0805510KFKEA provide 0.5W (1/2W) power rating with pulse withstanding capability, compared to the 0.125W rating of RC2012F514CS. These parts are suitable for applications where higher power dissipation or transient pulse tolerance is required. Both maintain identical resistance, tolerance, temperature coefficient, and operating temperature range. Both carry AEC-Q200 qualification and ROHS3 compliance.

Compliance and Regulatory Alignment:

All substitute parts listed maintain ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, ensuring regulatory alignment with the original RC2012F514CS specification.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC2012F514CS with a part having different power rating?

A: Yes, substitution with higher power rating is acceptable. CRCW0805510KFKEAHP and RCS0805510KFKEA provide 0.5W rating compared to the original 0.125W. Lower power ratings are not acceptable as they cannot safely dissipate the design current.

Q: Are all substitute parts compatible with the same PCB footprint?

A: Yes. All substitute parts use the 0805 (2012 Metric) package with identical length (0.079" / 2.00mm) and width (0.049" / 1.25mm). Seated height variations (0.50mm to 0.70mm maximum) are within standard PCB assembly tolerances and do not affect placement or soldering.

Q: What is the difference between direct substitutes and similar substitutes?

A: Direct substitutes (CR0805-FX-5103ELF, ERJ-6ENF5103V, KTR10EZPF5103, RC0805FR-07510KL, RMCF0805FT510K) maintain identical 0.125W power rating and core specifications. Similar substitutes (AC0805FR-07510KL, CRCW0805510KFKEA, CRCW0805510KFKEAHP, RCS0805510KFKEA) may include additional certifications (AEC-Q200) or higher power ratings (0.5W) while maintaining the same resistance and tolerance.

Q: Do all substitute parts meet ROHS3 compliance?

A: Yes. All substitute parts listed are ROHS3 compliant, matching the regulatory requirement of the original RC2012F514CS.

Q: What does AEC-Q200 qualification mean?

A: AEC-Q200 is an automotive electronics council qualification standard for passive components. Parts carrying this rating have undergone additional reliability testing and are suitable for automotive applications requiring enhanced traceability and quality assurance.

Q: Can I use ERJ-6ENF5103V in place of RC2012F514CS in a non-automotive application?

A: Yes. AEC-Q200 qualification is a superset of standard reliability requirements. Parts qualified to AEC-Q200 are suitable for any application, including non-automotive designs.

Q: What is the significance of MSL Level 1 rating?

A: MSL (Moisture Sensitivity Level) 1 indicates unlimited shelf life and no moisture bake-out requirement before soldering. The component can be stored and handled without special moisture control procedures.

Q: Are there packaging differences between substitute parts?

A: Yes. RC2012F514CS is supplied in Tape & Reel (TR) packaging. RC0805FR-07510KL is supplied in Cut Tape (CT) & Digi-Reel® packaging. All other substitutes use Tape & Reel (TR). Packaging format does not affect component electrical or mechanical compatibility.

Q: Which substitute part has the lowest seated height?

A: CRCW0805510KFKEA, CRCW0805510KFKEAHP, and RCS0805510KFKEA all have 0.50mm maximum seated height, compared to 0.65mm for the original RC2012F514CS. Lower height may be beneficial in space-constrained designs.

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

A: Yes. All substitute parts maintain identical electrical specifications (510 kOhms ±1%, ±100ppm/°C, -55°C to 155°C). Mixing different manufacturers in the same circuit is acceptable from an electrical standpoint, though single-source procurement is recommended for supply chain consistency.

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