RC2012F181CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F181CS is a 180 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 characteristics and ROHS3 compliance. The part is supplied in Tape & Reel packaging with 763 units currently in stock.

Equivalent and substitute parts are identified based on matching electrical specifications (180 Ohms resistance, ±1% tolerance, 0.125W power rating), mechanical compatibility (0805 package), and environmental operating parameters (-55°C to 155°C). Alternative sources provide equivalent functionality for applications where the original Samsung part is unavailable or where specific certifications or features are required.

Key Parameters

Parameter	Value
Resistance	180 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 to 155°C
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

Substitute parts for the RC2012F181CS are classified into two categories based on electrical and mechanical compatibility:

Direct Substitutes (Equivalent Specifications) Direct substitutes maintain identical electrical parameters: 180 Ohms resistance, ±1% tolerance, 0.125W power rating, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. All direct substitutes are packaged in 0805 (2012 Metric) format with 2 terminations and ROHS3 compliance. These parts differ only in manufacturer, series designation, and minor physical dimensions (height variation between 0.024" to 0.026").

Similar Parts (Modified Specifications) Similar parts maintain the core electrical specifications (180 Ohms, ±1% tolerance, 0805 package) but introduce variations in power rating, tolerance, or additional features. These parts are suitable only when application requirements permit the specification changes.

Key Parameters Determining Substitutability:

Resistance value: 180 Ohms (fixed requirement)
Tolerance: ±1% (fixed requirement for direct substitutes)
Power rating: 0.125W minimum (direct substitutes); higher ratings acceptable if circuit design permits
Package: 0805 (2012 Metric) mandatory
Temperature range: -55°C to 155°C minimum
Composition: Thick Film
Terminations: 2 (fixed requirement)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Op Temp Range (°C)	Height Max (mm)	Features	Packaging
RC2012F181CS	Samsung Electro-Mechanics	180Ω	±1%	0.125	±100	-55 to 155	0.65	Moisture Resistant	Tape & Reel
CR0805-FX-1800ELF	Bourns Inc.	180Ω	±1%	0.125	±100	-55 to 155	0.60	Moisture Resistant	Tape & Reel
CRG0805F180R	TE Connectivity Passive Product	180Ω	±1%	0.125	±100	-55 to 155	0.65	Standard	Tape & Reel
ERJ-6ENF1800V	Panasonic Electronic Components	180Ω	±1%	0.125	±100	-55 to 155	0.70	Automotive AEC-Q200	Tape & Reel
KTR10EZPF1800	Rohm Semiconductor	180Ω	±1%	0.125	±100	-55 to 155	0.65	Automotive AEC-Q200, High Voltage	Tape & Reel
RC0805FR-07180RL	YAGEO	180Ω	±1%	0.125	±100	-55 to 155	0.60	Moisture Resistant	Tape & Reel
RMCF0805FT180R	Stackpole Electronics Inc	180Ω	±1%	0.125	±100	-55 to 155	0.65	Automotive AEC-Q200	Tape & Reel
AC0805FR-07180RL	YAGEO	180Ω	±1%	0.125	±100	-55 to 155	0.60	Automotive AEC-Q200, Moisture Resistant	Tape & Reel
CRCW0805180RFKEA	Vishay Dale	180Ω	±1%	0.125	±100	-55 to 155	0.50	Automotive AEC-Q200	Cut Tape & Digi-Reel
CRCW0805180RFKEAHP	Vishay Dale	180Ω	±1%	0.5	±100	-55 to 155	0.60	Automotive AEC-Q200, Pulse Withstanding	Tape & Reel
ERJ-P06D1800V	Panasonic Electronic Components	180Ω	±0.5%	0.5	±100	-55 to 155	0.70	Automotive AEC-Q200, Pulse Withstanding	Tape & Reel

Engineering Selection Recommendations

Direct Substitutes (Fully Compatible)

The following parts are direct electrical and mechanical equivalents to RC2012F181CS:

CR0805-FX-1800ELF (Bourns Inc.): Identical specifications with moisture resistant composition. Slightly reduced height (0.60mm vs 0.65mm) presents no compatibility issues for standard PCB assembly.
CRG0805F180R (TE Connectivity Passive Product): Equivalent specifications with standard thick film composition. Matches original height specification at 0.65mm.
RC0805FR-07180RL (YAGEO): Moisture resistant thick film composition matching original feature set. Reduced height (0.60mm) compatible with standard assembly processes.
RMCF0805FT180R (Stackpole Electronics Inc): Automotive AEC-Q200 certified equivalent. Suitable for applications requiring automotive-grade reliability.

Automotive-Qualified Alternatives

The following parts provide equivalent electrical specifications with automotive qualification:

ERJ-6ENF1800V (Panasonic Electronic Components): AEC-Q200 certified with slightly increased height (0.70mm). Suitable for automotive and industrial applications requiring qualification documentation.
KTR10EZPF1800 (Rohm Semiconductor): AEC-Q200 certified with high voltage capability. Appropriate for automotive applications and high-voltage circuit designs.
AC0805FR-07180RL (YAGEO): Combines AEC-Q200 certification with moisture resistant features. Suitable for automotive applications requiring environmental protection.
CRCW0805180RFKEA (Vishay Dale): AEC-Q200 certified with lowest height profile (0.50mm). Optimal for space-constrained PCB designs.

Modified Specification Alternatives

The following parts maintain core specifications but introduce variations:

CRCW0805180RFKEAHP (Vishay Dale): Increased power rating (0.5W vs 0.125W) with pulse withstanding capability. Suitable only when circuit design permits higher power dissipation.
ERJ-P06D1800V (Panasonic Electronic Components): Tighter tolerance (±0.5% vs ±1%) with increased power rating (0.5W). Appropriate for precision applications requiring enhanced tolerance and higher power handling.

Packaging Consideration

CRCW0805180RFKEA is supplied in Cut Tape & Digi-Reel packaging, differing from the standard Tape & Reel format of RC2012F181CS. This packaging variation affects handling and automated assembly processes but does not impact electrical or mechanical compatibility.

Frequently Asked Questions (FAQ)

Q: Can I use CR0805-FX-1800ELF as a direct replacement for RC2012F181CS?

A: Yes. CR0805-FX-1800ELF is a direct substitute with identical electrical specifications (180Ω, ±1%, 0.125W, ±100ppm/°C, -55°C to 155°C). Both components feature moisture resistant thick film composition and ROHS3 compliance. The 0.05mm height difference (0.60mm vs 0.65mm) is within standard PCB assembly tolerances and presents no compatibility issues.

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

A: Direct substitutes maintain all electrical parameters of the original RC2012F181CS: 180 Ohms, ±1% tolerance, 0.125W power rating, and identical temperature specifications. Similar parts modify one or more parameters—such as CRCW0805180RFKEAHP with 0.5W power rating or ERJ-P06D1800V with ±0.5% tolerance—and are suitable only when circuit design requirements permit these changes.

Q: Are automotive-qualified parts (AEC-Q200) compatible with non-automotive applications?

A: Yes. Automotive-qualified parts such as ERJ-6ENF1800V, KTR10EZPF1800, and RMCF0805FT180R meet or exceed the electrical and environmental specifications required for non-automotive applications. AEC-Q200 certification indicates enhanced reliability testing and quality assurance, making these parts suitable for any application requiring the specified 180Ω, ±1%, 0.125W characteristics.

Q: What does Moisture Sensitivity Level (MSL) 1 mean?

A: MSL 1 indicates unlimited shelf life without moisture absorption concerns. All listed substitutes carry MSL 1 rating, meaning they can be stored indefinitely without special humidity control or desiccant packaging requirements.

Q: Can I substitute CRCW0805180RFKEAHP (0.5W) for RC2012F181CS (0.125W)?

A: Electrical substitution is possible because the resistance, tolerance, and temperature specifications are identical. However, the higher power rating (0.5W vs 0.125W) is a specification upgrade. Use CRCW0805180RFKEAHP only if your circuit design can accommodate or benefit from the increased power handling capability. Substituting a higher-rated component does not degrade circuit performance in standard applications.

Q: Does packaging format (Tape & Reel vs Cut Tape & Digi-Reel) affect electrical performance?

A: No. Packaging format affects only handling, storage, and automated assembly processes. CRCW0805180RFKEA in Cut Tape & Digi-Reel format is electrically identical to Tape & Reel packaged alternatives. Verify that your assembly equipment is compatible with the packaging format before procurement.

Q: Which substitute offers the best height profile for space-constrained designs?

A: CRCW0805180RFKEA (Vishay Dale) provides the lowest seated height at 0.50mm, compared to 0.60-0.70mm for other substitutes. This component is optimal for applications with strict PCB thickness or component height limitations.

Q: Are all listed substitutes ROHS3 compliant?

A: Yes. All direct and similar substitute parts listed carry ROHS3 compliance certification, matching the environmental compliance status of RC2012F181CS.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message