RC2012F185CS 1.8 MOhms ±1% 1/8W 0805 Chip Resistor Equivalent & Substitute Parts

Part Overview

The RC2012F185CS is a thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 1.8 MOhms with ±1% tolerance and 0.125W (1/8W) power dissipation in 0805 (2012 Metric) package format. The component is moisture resistant, RoHS3 compliant, and classified as Active product status with unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct functional interchangeability in circuit applications.

Substiute Parts

RC2012F185CS

Samsung Electro-MechanicsIn Stock: 1278RC2012F185CS Datasheet

Current PartRFQ

RC0805FR-071M8L

YAGEOIn Stock: 59265RC0805FR-071M8L Datasheet

DirectRFQ

KTR10EZPF1804

Rohm SemiconductorIn Stock: 10612KTR10EZPF1804 Datasheet

UpgradeRFQ

RMCF0805FT1M80

Stackpole Electronics IncIn Stock: 2173RMCF0805FT1M80 Datasheet

UpgradeRFQ

CHV0805-FX-1804ELF

Bourns Inc.In Stock: 735CHV0805-FX-1804ELF Datasheet

SimilarRFQ

CRCW08051M80FKEA

Vishay DaleIn Stock: 10168CRCW08051M80FKEA Datasheet

SimilarRFQ

ERJ-6ENF1804V

Panasonic Electronic ComponentsIn Stock: 50901ERJ-6ENF1804V Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC2012F185CS are classified into three categories based on electrical and mechanical compatibility:

Direct Equivalent (RC0805FR-071M8L): Manufactured by YAGEO, this part matches all critical electrical parameters: 1.8 MOhms resistance, ±1% tolerance, 0.125W power rating, ±100ppm/°C temperature coefficient, and -55°C ~ 155°C operating range. Package dimensions and termination count are identical. Packaging differs (Tape & Reel vs. Cut Tape), but electrical and mechanical specifications enable direct substitution.

Upgrade Alternatives (KTR10EZPF1804, RMCF0805FT1M80): These parts maintain all core electrical specifications (1.8 MOhms, ±1%, 0.125W, -55°C ~ 155°C) and package compatibility (0805) but include additional automotive AEC-Q200 qualification. KTR10EZPF1804 adds high voltage capability. RMCF0805FT1M80 features ±200ppm/°C temperature coefficient (vs. ±100ppm/°C). These are suitable for applications requiring automotive-grade reliability.

Similar Alternatives (CHV0805-FX-1804ELF, CRCW08051M80FKEA, ERJ-6ENF1804V): These parts match all electrical specifications and package requirements. CHV0805-FX-1804ELF (Bourns) emphasizes high voltage capability. CRCW08051M80FKEA (Vishay Dale) and ERJ-6ENF1804V (Panasonic) include AEC-Q200 automotive qualification. Minor variations in seated height (0.020" to 0.028") do not affect functional interchangeability in standard PCB layouts.

Substitution Criteria: All listed parts share identical resistance value, tolerance, power rating, package type, operating temperature range, and RoHS3 compliance. Differences in temperature coefficient (±100ppm/°C vs. ±200ppm/°C) and automotive ratings represent enhancements rather than limitations for general-purpose applications.

Parameter Comparison

Engineering Selection Recommendations

For Standard Applications: RC0805FR-071M8L (YAGEO) provides direct electrical and mechanical equivalence to the RC2012F185CS with identical temperature coefficient and moisture resistance. Both parts carry Active product status and RoHS3 compliance. This substitute is suitable for general-purpose circuit applications where automotive qualification is not required.

For Automotive Applications: KTR10EZPF1804 (Rohm Semiconductor), RMCF0805FT1M80 (Stackpole Electronics Inc), CRCW08051M80FKEA (Vishay Dale), and ERJ-6ENF1804V (Panasonic Electronic Components) all carry AEC-Q200 automotive qualification. These parts maintain identical electrical specifications and package compatibility. Selection among these options depends on specific design requirements: KTR10EZPF1804 emphasizes high voltage performance; RMCF0805FT1M80 features ±200ppm/°C temperature coefficient for applications with relaxed temperature stability requirements; CRCW08051M80FKEA offers the lowest seated height (0.50mm); ERJ-6ENF1804V provides the highest seated height (0.70mm) for applications with specific PCB clearance needs.

For High Voltage Applications: CHV0805-FX-1804ELF (Bourns Inc.) is designated for high voltage circuits while maintaining all core electrical specifications. This part is suitable when circuit topology requires enhanced voltage handling capability.

Inventory Considerations: All substitute parts are listed as Active with current stock availability. Selection may also consider inventory levels: RC0805FR-071M8L (59,253 pcs), ERJ-6ENF1804V (50,795 pcs), CRCW08051M80FKEA (10,079 pcs), KTR10EZPF1804 (10,576 pcs), RMCF0805FT1M80 (2,127 pcs), and CHV0805-FX-1804ELF (693 pcs).

Frequently Asked Questions (FAQ)

Q: Can RC0805FR-071M8L be used as a direct replacement for RC2012F185CS?

A: Yes. Both parts share identical electrical specifications (1.8 MOhms, ±1% tolerance, 0.125W power rating, ±100ppm/°C temperature coefficient, -55°C ~ 155°C operating range) and 0805 package dimensions. The primary difference is packaging format (Tape & Reel vs. Cut Tape), which does not affect electrical or mechanical interchangeability. Both are RoHS3 compliant with MSL 1 rating.

Q: What is the difference between the standard substitute parts and the automotive-qualified alternatives?

A: Automotive-qualified parts (KTR10EZPF1804, RMCF0805FT1M80, CRCW08051M80FKEA, ERJ-6ENF1804V) carry AEC-Q200 certification, indicating compliance with automotive industry reliability and testing standards. All other electrical and mechanical parameters remain identical to the base RC2012F185CS specification. Use automotive-qualified parts only when circuit design or application requirements explicitly mandate AEC-Q200 compliance.

Q: Does the temperature coefficient difference between ±100ppm/°C and ±200ppm/°C affect substitution?

A: The temperature coefficient determines resistance value stability across the operating temperature range. RC2012F185CS and most substitute parts feature ±100ppm/°C. RMCF0805FT1M80 features ±200ppm/°C, indicating greater resistance drift over temperature. This difference is acceptable for general-purpose applications but may require circuit analysis for precision analog circuits or applications with strict tolerance requirements across the full -55°C ~ 155°C range.

Q: Are there any package dimension concerns when substituting these parts?

A: All substitute parts use the 0805 (2012 Metric) package with identical length (2.00mm) and width (1.25mm). Seated height varies between 0.50mm and 0.70mm. These variations are within standard PCB design tolerances and do not affect functional interchangeability. Verify PCB layout clearances if the application has specific height constraints.

Q: Which substitute part should be selected for maximum inventory availability?

A: RC0805FR-071M8L (YAGEO) offers the highest current stock level at 59,253 pieces, followed by ERJ-6ENF1804V (Panasonic) at 50,795 pieces. Both parts provide direct electrical equivalence to the RC2012F185CS.

Q: Is moisture resistance maintained across all substitute parts?

A: RC2012F185CS explicitly specifies moisture resistance. Substitute parts do not explicitly list this feature in their descriptions, though all carry MSL 1 (Unlimited) rating, indicating minimal moisture sensitivity. For applications requiring explicit moisture resistance specification, RC0805FR-071M8L (YAGEO) is recommended as it explicitly states moisture resistance in its detailed description.

Q: Can high voltage substitute parts be used in standard applications?

A: Yes. CHV0805-FX-1804ELF (Bourns) and KTR10EZPF1804 (Rohm) are rated for high voltage operation but maintain all standard electrical specifications. Using high voltage-rated parts in standard applications introduces no functional penalty and may provide additional design margin for future circuit modifications.