RC2012F3010CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F3010CS is a 301 Ohm ±1% 1/8W thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This component is classified as Active product status with moisture-resistant construction and ROHS3 compliance. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and environmental ratings are maintained across alternative manufacturers while preserving functional performance in target applications.

Key Parameters

Parameter	Value
Resistance	301 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	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Packaging Type	Tape & Reel (TR)

Substitute Part Grouping Explanation

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

Mandatory Matching Parameters:

Resistance value: 301 Ohms
Tolerance: ±1%
Package / Case: 0805 (2012 Metric)
Composition: Thick Film
Temperature Coefficient: ±100ppm/°C
Operating Temperature Range: -55°C ~ 155°C
Moisture Sensitivity Level: 1 (Unlimited)

Power Rating Consideration: Substitute parts are grouped into two categories based on power rating:

Direct Equivalents (1/8W): Parts with identical 0.125W power rating
Upgrade Options (1/2W): Parts with higher 0.5W power rating, suitable for applications requiring increased power dissipation margin

Compliance Grouping:

Standard Industrial: ROHS3 Compliant, REACH Unaffected
Automotive Grade: AEC-Q200 rated, suitable for automotive applications
Non-Compliant: RoHS non-compliant variants for legacy system compatibility

Substitute parts maintain identical electrical performance and mechanical fit while offering alternative sourcing options across multiple manufacturers.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Height Max (mm)	Features	RoHS Status	AEC-Q200
RC2012F3010CS	Samsung Electro-Mechanics	301 Ω	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	0.66	Moisture Resistant	ROHS3	No
RC0805FR-07301RL	YAGEO	301 Ω	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	0.60	Moisture Resistant	ROHS3	No
AC0805FR-07301RL	YAGEO	301 Ω	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	0.60	Automotive AEC-Q200, Moisture Resistant	ROHS3	Yes
CRCW0805301RFKEA	Vishay Dale	301 Ω	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	0.50	Automotive AEC-Q200	ROHS3	Yes
CRCW0805301RFKEAHP	Vishay Dale	301 Ω	±1%	0.5	0805	±100ppm/°C	-55 ~ 155°C	0.60	Automotive AEC-Q200, Pulse Withstanding	ROHS3	Yes
CRCW0805301RFKTA	Vishay Dale	301 Ω	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	0.50	Automotive AEC-Q200	Non-compliant	Yes
ERJ-6ENF3010V	Panasonic Electronic Components	301 Ω	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	0.70	Automotive AEC-Q200	ROHS3	Yes
RCS0805301RFKEA	Vishay Dale	301 Ω	±1%	0.5	0805	±100ppm/°C	-55 ~ 155°C	0.50	Automotive AEC-Q200, Pulse Withstanding	ROHS3	Yes
RMCF0805FT301R	Stackpole Electronics Inc	301 Ω	±1%	0.125	0805	±100ppm/°C	-55 ~ 155°C	0.65	Automotive AEC-Q200	ROHS3	Yes

Engineering Selection Recommendations

Direct Equivalent Selection (1/8W, 0.125W):

For applications requiring identical power rating and industrial-grade compliance, RC0805FR-07301RL (YAGEO) provides direct substitution with ROHS3 compliance and moisture-resistant construction matching the original RC2012F3010CS specification.

Automotive-Grade Upgrade (1/8W, 0.125W):

Applications requiring AEC-Q200 automotive qualification should select from:

AC0805FR-07301RL (YAGEO) - ROHS3 compliant
CRCW0805301RFKEA (Vishay Dale) - ROHS3 compliant, compact 0.50mm height
CRCW0805301RFKTA (Vishay Dale) - RoHS non-compliant, legacy systems
ERJ-6ENF3010V (Panasonic) - ROHS3 compliant
RMCF0805FT301R (Stackpole Electronics) - ROHS3 compliant

Higher Power Rating Option (1/2W, 0.5W):

Applications requiring increased power dissipation capability with AEC-Q200 qualification:

CRCW0805301RFKEAHP (Vishay Dale) - Pulse withstanding capability
RCS0805301RFKEA (Vishay Dale) - Pulse withstanding capability

All listed substitutes maintain identical resistance value, tolerance, temperature coefficient, operating temperature range, and moisture sensitivity level. Selection should be based on specific application requirements for automotive qualification, power margin, and regulatory compliance status.

Frequently Asked Questions (FAQ)

Q: Can RC0805FR-07301RL replace RC2012F3010CS in all applications?

A: RC0805FR-07301RL is a direct electrical and mechanical equivalent with identical 301 Ohm resistance, ±1% tolerance, 0.125W power rating, and 0805 package. Both components share ROHS3 compliance and moisture-resistant construction. Substitution is valid for applications not requiring automotive AEC-Q200 qualification.

Q: What is the difference between 1/8W and 1/2W rated substitutes?

A: Power rating indicates maximum continuous power dissipation capability. 1/8W (0.125W) rated parts are suitable for standard applications. 1/2W (0.5W) rated parts provide higher power dissipation margin and are selected when circuit design requires increased thermal headroom or pulse withstanding capability. Both maintain identical resistance and tolerance specifications.

Q: Are automotive-grade parts (AEC-Q200) backward compatible with industrial applications?

A: Yes. AEC-Q200 rated parts meet automotive qualification standards and exceed industrial-grade requirements. Automotive-grade substitutes are suitable for industrial applications. However, industrial-grade parts are not suitable for automotive applications requiring AEC-Q200 certification.

Q: What does RoHS compliance status mean for substitution?

A: ROHS3 compliant parts meet European Union Restriction of Hazardous Substances regulations. RC2012F3010CS is ROHS3 compliant. Most substitute options maintain ROHS3 compliance. CRCW0805301RFKTA is RoHS non-compliant and should be selected only for legacy systems or applications where RoHS compliance is not required.

Q: Does package height variation affect PCB assembly compatibility?

A: All listed substitutes use 0805 (2012 Metric) package with height variations between 0.50mm and 0.70mm. These minor height differences do not affect standard PCB assembly processes or reflow soldering. Height specification is provided for applications with strict height constraints or high-density board layouts.

Q: Can I use RMCF0805FT301R as a direct replacement for RC2012F3010CS?

A: RMCF0805FT301R is electrically and mechanically equivalent with identical 301 Ohm resistance, ±1% tolerance, 0.125W power rating, and 0805 package. RMCF0805FT301R includes AEC-Q200 automotive qualification and ROHS3 compliance, making it suitable for both industrial and automotive applications.

Q: What is the significance of pulse withstanding capability in RCS0805301RFKEA and CRCW0805301RFKEAHP?

A: Pulse withstanding capability indicates the component can tolerate transient overvoltage events without degradation. These 1/2W rated parts are specified for applications experiencing voltage spikes or pulse conditions. Standard 1/8W parts without pulse withstanding designation are suitable for stable DC or low-frequency AC applications.

Q: Are all substitute parts available in Tape & Reel packaging?

A: All listed substitute parts are available in Tape & Reel (TR) packaging format, matching the original RC2012F3010CS packaging specification. CRCW0805301RFKEAHP is also available in Cut Tape (CT) & Digi-Reel® format as an alternative packaging option.

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