RCS2012F151CS Equivalent & Substitute Parts Reference

Part Overview

The RCS2012F151CS is a 150 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.125W (1/8W) in the 0805 (2012 Metric) package. This component is designed for general-purpose applications requiring precision resistive elements with anti-sulfur and moisture-resistant properties. 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 (resistance value, tolerance, power rating) and mechanical compatibility (package size, termination count, operating temperature range). Substitute parts may vary in packaging format, manufacturer-specific features, or enhanced ratings while maintaining functional equivalence for standard circuit applications.

Key Parameters

Parameter	Value
Resistance	150 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
Number of Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the RCS2012F151CS are classified into two functional groups based on power rating compatibility:

Group 1: Direct Equivalents (0.125W / 1/8W Rating) Parts in this group maintain identical electrical specifications and power rating. These substitutes are suitable for direct replacement in applications where the original 1/8W power dissipation requirement is specified. Substitutes include AC0805FR-07150RL, CRCW0805150RFKEA, CRCW0805150RFKTA, ERJ-6ENF1500V, RC0805FR-07150RL, and RMCF0805FT150R.

Group 2: Enhanced Power Rating (0.5W / 1/2W or 0.333W / 1/3W Rating) Parts in this group provide higher power dissipation capability while maintaining the same resistance value, tolerance, package size, and operating temperature range. These substitutes are suitable for applications requiring increased thermal headroom or higher power handling. Substitutes include CRCW0805150RFKEAHP, ERJ-UP6F1500V, and RCS0805150RFKEA. The RMCP0805FT150R offers 0.333W (1/3W) rating as an intermediate option.

Substitution Criteria:

Resistance: 150 Ohms (exact match required)
Tolerance: ±1% (exact match required)
Package: 0805 (2012 Metric) (exact match required)
Temperature Coefficient: ±100ppm/°C (exact match required)
Operating Temperature: -55°C ~ 155°C (exact match required)
Terminations: 2 (exact match required)
Composition: Thick Film (exact match required)

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power Rating	Package	Temp Coeff	Op. Temp Range	Height (Max)	RoHS Status	AEC-Q200
RCS2012F151CS	Samsung Electro-Mechanics	150 Ω	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.66mm	ROHS3	No
AC0805FR-07150RL	YAGEO	150 Ω	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.60mm	ROHS3	Yes
CRCW0805150RFKEA	Vishay Dale	150 Ω	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.50mm	ROHS3	Yes
CRCW0805150RFKEAHP	Vishay Dale	150 Ω	±1%	0.5W	0805	±100ppm/°C	-55°C ~ 155°C	0.60mm	ROHS3	Yes
CRCW0805150RFKTA	Vishay Dale	150 Ω	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.50mm	RoHS Non-compliant	Yes
ERJ-6ENF1500V	Panasonic Electronic Components	150 Ω	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.70mm	ROHS3	Yes
ERJ-UP6F1500V	Panasonic Electronic Components	150 Ω	±1%	0.5W	0805	±100ppm/°C	-55°C ~ 155°C	0.70mm	ROHS3	Yes
RC0805FR-07150RL	YAGEO	150 Ω	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.60mm	ROHS3	No
RCS0805150RFKEA	Vishay Dale	150 Ω	±1%	0.5W	0805	±100ppm/°C	-55°C ~ 155°C	0.50mm	ROHS3	Yes
RMCF0805FT150R	Stackpole Electronics Inc	150 Ω	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.65mm	ROHS3	Yes
RMCP0805FT150R	Stackpole Electronics Inc	150 Ω	±1%	0.333W	0805	±100ppm/°C	-55°C ~ 155°C	0.65mm	ROHS3	Yes

Engineering Selection Recommendations

For Direct Replacement (Identical 0.125W Power Rating):

Select from AC0805FR-07150RL, CRCW0805150RFKEA, ERJ-6ENF1500V, RC0805FR-07150RL, or RMCF0805FT150R when the application circuit is designed for 1/8W dissipation and no design modifications are required. All direct equivalents maintain ROHS3 compliance. AC0805FR-07150RL, CRCW0805150RFKEA, ERJ-6ENF1500V, and RMCF0805FT150R carry AEC-Q200 automotive qualification. CRCW0805150RFKTA is functionally equivalent but carries RoHS non-compliant status and REACH Affected designation; use only where regulatory requirements permit.

For Enhanced Thermal Performance (0.5W Power Rating):

Select CRCW0805150RFKEAHP, ERJ-UP6F1500V, or RCS0805150RFKEA when circuit design allows higher power dissipation or when thermal margin improvement is required. All three maintain ROHS3 compliance and AEC-Q200 qualification. CRCW0805150RFKEAHP and RCS0805150RFKEA feature pulse withstanding capability. ERJ-UP6F1500V adds anti-sulfur protection matching the original RCS2012F151CS feature set.

For Intermediate Power Rating (0.333W):

Select RMCP0805FT150R as a compromise option between standard 1/8W and 1/2W ratings. This part maintains ROHS3 compliance and AEC-Q200 qualification with identical package and electrical specifications.

Compliance Considerations:

All recommended substitutes maintain the -55°C ~ 155°C operating temperature range, ±100ppm/°C temperature coefficient, and MSL 1 (Unlimited) moisture sensitivity level of the original part. Verify REACH and RoHS compliance requirements for your specific application before final selection.

Frequently Asked Questions (FAQ)

Q: Can I use a 0.5W rated resistor as a substitute for the 0.125W RCS2012F151CS?

A: Yes. A 0.5W resistor (CRCW0805150RFKEAHP, ERJ-UP6F1500V, or RCS0805150RFKEA) is electrically and mechanically compatible with the RCS2012F151CS. The higher power rating provides additional thermal margin and does not degrade circuit performance. The 0805 package dimensions remain identical. Use this substitution when thermal headroom is beneficial or when the higher-rated part is more readily available.

Q: What is the difference between the CRCW0805150RFKEA and CRCW0805150RFKTA variants?

A: Both parts are electrically and mechanically identical 0.125W resistors with 150 Ohm resistance and ±1% tolerance in 0805 package. The primary difference is regulatory compliance: CRCW0805150RFKEA is ROHS3 Compliant and REACH Unaffected, while CRCW0805150RFKTA is RoHS non-compliant and REACH Affected. Select CRCW0805150RFKEA for applications subject to RoHS or REACH regulations.

Q: Are all substitute parts qualified to AEC-Q200 automotive standards?

A: Most substitutes carry AEC-Q200 qualification (AC0805FR-07150RL, CRCW0805150RFKEA, CRCW0805150RFKEAHP, CRCW0805150RFKTA, ERJ-6ENF1500V, ERJ-UP6F1500V, RCS0805150RFKEA, RMCF0805FT150R, RMCP0805FT150R). The original RCS2012F151CS and RC0805FR-07150RL do not carry AEC-Q200 designation. Select AEC-Q200 qualified parts for automotive or high-reliability applications.

Q: Does package height variation affect PCB assembly compatibility?

A: Package heights range from 0.50mm to 0.70mm across all substitutes. Verify your PCB design clearance specifications. Most modern pick-and-place equipment and reflow processes accommodate this height variation without modification. If your design has strict height constraints, consult the specific PCB assembly documentation.

Q: What is the significance of anti-sulfur and pulse withstanding features?

A: Anti-sulfur protection (featured in RCS2012F151CS and ERJ-UP6F1500V) prevents corrosion in high-sulfur environments. Pulse withstanding capability (featured in CRCW0805150RFKEAHP, ERJ-UP6F1500V, and RCS0805150RFKEA) allows the resistor to tolerate transient overvoltage events. Select parts with these features only if your application environment or circuit design requires them.

Q: Can I substitute based on packaging format (Tape & Reel vs. Cut Tape)?

A: Packaging format (Tape & Reel or Cut Tape & Digi-Reel) affects supply and handling but does not impact electrical or mechanical compatibility. Select based on your procurement and assembly process requirements. The RCS2012F151CS is supplied in Tape & Reel format; equivalent parts are available in both formats.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message