RC2012F8251CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F8251CS is an 8.25 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format with 0.125W power rating. 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 based on matching electrical specifications, mechanical dimensions, and environmental compliance requirements. Alternative sourcing becomes necessary for supply chain continuity, inventory optimization, or application-specific feature requirements such as automotive qualification.

Key Parameters

Parameter	Value
Resistance	8.25 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 to 155°C
Terminations	2
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

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

Electrical Equivalence: Resistance value (8.25 kOhms), tolerance (±1%), power rating (0.125W), and temperature coefficient (±100ppm/°C) must match exactly.

Mechanical Compatibility: Package designation (0805 / 2012 Metric), physical dimensions (0.079" L × 0.049" W / 2.00mm × 1.25mm), and termination count (2) must be identical.

Environmental Compliance: All substitute parts maintain ROHS3 compliance, MSL Level 1 rating, and identical operating temperature range (-55°C to 155°C).

Composition: Thick film construction is consistent across all listed alternatives.

Substitute parts are categorized as Direct Manufacturer equivalents (functionally and mechanically identical) or Similar parts (identical electrical and mechanical specifications with additional features such as automotive AEC-Q200 qualification or enhanced packaging options).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	Height Max (mm)	Features	RoHS	MSL
RC2012F8251CS	Samsung Electro-Mechanics	8.25 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.65	Moisture Resistant	ROHS3	1
CR0805-FX-8251ELF	Bourns Inc.	8.25 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.60	Moisture Resistant	ROHS3	1
ERJ-6ENF8251V	Panasonic Electronic Components	8.25 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.70	Automotive AEC-Q200	ROHS3	1
KTR10EZPF8251	Rohm Semiconductor	8.25 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.65	Automotive AEC-Q200, High Voltage	ROHS3	1
RC0805FR-078K25L	YAGEO	8.25 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.60	Moisture Resistant	ROHS3	1
RMCF0805FT8K25	Stackpole Electronics Inc	8.25 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.65	Automotive AEC-Q200	ROHS3	1
AC0805FR-078K25L	YAGEO	8.25 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.60	Automotive AEC-Q200, Moisture Resistant	ROHS3	1
CRCW08058K25FKEA	Vishay Dale	8.25 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.50	Automotive AEC-Q200	ROHS3	1
CRCW08058K25FKEAC	Vishay Dale	8.25 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.60	Standard Thick Film	ROHS3	1

Engineering Selection Recommendations

Direct Manufacturer Equivalents (CR0805-FX-8251ELF, RC0805FR-078K25L, RMCF0805FT8K25, CRCW08058K25FKEAC) provide functional and mechanical interchangeability with the RC2012F8251CS. These parts maintain identical electrical specifications and environmental compliance ratings. Selection among direct equivalents may be based on packaging format preference (Tape & Reel vs. Cut Tape) and inventory availability.

Automotive-Qualified Alternatives (ERJ-6ENF8251V, KTR10EZPF8251, RMCF0805FT8K25, AC0805FR-078K25L, CRCW08058K25FKEA) carry AEC-Q200 certification and are suitable for applications requiring automotive-grade component qualification. These parts exceed the baseline specifications of the RC2012F8251CS while maintaining full electrical and mechanical compatibility.

High-Voltage Variant (KTR10EZPF8251) from Rohm Semiconductor includes high-voltage capability in addition to automotive AEC-Q200 qualification, providing enhanced performance margin for demanding applications.

Moisture-Resistant Variants (CR0805-FX-8251ELF, RC0805FR-078K25L, AC0805FR-078K25L) explicitly specify moisture-resistant construction, matching the environmental protection of the original RC2012F8251CS.

All listed substitutes maintain ROHS3 compliance and MSL Level 1 rating, ensuring compatibility with standard PCB assembly processes and storage conditions.

Frequently Asked Questions (FAQ)

Q: Can CR0805-FX-8251ELF be used as a direct replacement for RC2012F8251CS?

A: Yes. CR0805-FX-8251ELF from Bourns Inc. is a direct equivalent. Both parts share identical resistance (8.25 kOhms), tolerance (±1%), power rating (0.125W), package (0805), temperature coefficient (±100ppm/°C), and operating range (-55°C to 155°C). Physical dimensions and termination count are identical. Both are ROHS3 compliant with MSL Level 1 rating.

Q: What is the difference between moisture-resistant and standard thick film variants?

A: Moisture-resistant variants (CR0805-FX-8251ELF, RC0805FR-078K25L, AC0805FR-078K25L) include protective coating or construction to reduce moisture absorption and maintain performance in humid environments. Standard variants (CRCW08058K25FKEAC) do not explicitly specify moisture resistance. The RC2012F8251CS specifies moisture-resistant construction, so equivalent parts should maintain this feature for identical environmental performance.

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

A: Automotive AEC-Q200 qualified parts (ERJ-6ENF8251V, KTR10EZPF8251, RMCF0805FT8K25, AC0805FR-078K25L, CRCW08058K25FKEA) meet additional qualification and reliability testing requirements beyond standard industrial specifications. These parts are electrically and mechanically interchangeable with non-automotive versions and provide enhanced reliability margin. Use of AEC-Q200 parts in non-automotive applications introduces no compatibility issues.

Q: Does package height variation affect PCB assembly compatibility?

A: Package height variations (0.50mm to 0.70mm maximum seated height) fall within standard 0805 component tolerances and do not affect PCB assembly compatibility. All listed parts conform to 0805 (2012 Metric) package specification. Height differences are negligible for standard reflow soldering processes and do not impact circuit performance or board layout.

Q: What packaging formats are available for these substitutes?

A: Substitute parts are supplied in two standard packaging formats: Tape & Reel (TR) for automated assembly lines and Cut Tape (CT) with Digi-Reel for manual or small-batch applications. The RC2012F8251CS is supplied in Tape & Reel format. Equivalent parts are available in both formats; selection depends on assembly process requirements and order quantity.

Q: Are all listed substitutes ROHS3 compliant?

A: Yes. All substitute parts listed carry ROHS3 compliance certification, matching the environmental compliance status of the RC2012F8251CS. All parts maintain MSL Level 1 (Unlimited) moisture sensitivity level, indicating no special storage or handling requirements.

Q: Can KTR10EZPF8251 be used in applications not requiring high-voltage capability?

A: Yes. KTR10EZPF8251 from Rohm Semiconductor is fully interchangeable with RC2012F8251CS in standard applications. The high-voltage feature represents an additional capability that does not degrade performance in standard-voltage circuits. This part provides enhanced performance margin without introducing compatibility issues.

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