RC2012F2373CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F2373CS is a 237 kOhms ±1% 0.125W 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 operates across the temperature range of -55°C to 155°C. The part is supplied in Tape & Reel packaging and maintains ROHS3 compliance with MSL Level 1 rating.

Equivalent and substitute parts are necessary when the primary part experiences supply constraints, inventory depletion, or when design requirements necessitate alternative manufacturer specifications such as automotive-grade certifications or enhanced performance features.

Key Parameters

Parameter	Value	Significance for Substitution
Resistance Value	237 kOhms	Must match exactly for circuit functionality
Tolerance	±1%	Determines accuracy in circuit applications
Power Rating	0.125W (1/8W)	Must meet or exceed thermal dissipation requirements
Package / Case	0805 (2012 Metric)	Physical footprint compatibility with PCB layout
Composition	Thick Film	Determines electrical characteristics and reliability
Temperature Coefficient	±100ppm/°C	Affects resistance stability across temperature range
Operating Temperature Range	-55°C to 155°C	Must support application environment
RoHS Status	ROHS3 Compliant	Regulatory compliance requirement
Moisture Sensitivity Level	MSL 1 (Unlimited)	Handling and storage requirements

Substitute Part Grouping Explanation

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

Mandatory Matching Parameters:

Resistance Value: 237 kOhms (exact match required)
Tolerance: ±1% (exact match required)
Power Rating: 0.125W / 1/8W (minimum requirement)
Package / Case: 0805 (2012 Metric) (exact match required)
Composition: Thick Film (exact match required)
Temperature Coefficient: ±100ppm/°C (exact match required)
Operating Temperature Range: -55°C to 155°C (minimum requirement)
RoHS Status: ROHS3 Compliant (regulatory requirement)
MSL Rating: Level 1 (exact match required)

Allowable Variations:

Manufacturer identity (different suppliers acceptable)
Height-Seated dimension (minor variations within 0.020" to 0.028" acceptable)
Packaging format (Tape & Reel or Cut Tape acceptable)
Additional features (Automotive AEC-Q200, Moisture Resistant) enhance but do not restrict substitution
Product Status (Active or Discontinued acceptable if all parameters match)

All substitute parts listed maintain identical electrical specifications and environmental ratings as the primary RC2012F2373CS component.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Height Max (mm)	Features	RoHS	MSL	Product Status
RC2012F2373CS	Samsung Electro-Mechanics	237 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.65	Moisture Resistant	ROHS3	1	Active
CR0805-FX-2373ELF	Bourns Inc.	237 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.60	Moisture Resistant	ROHS3	1	Active
ERJ-6ENF2373V	Panasonic Electronic Components	237 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.70	Automotive AEC-Q200	ROHS3	1	Active
KTR10EZPF2373	Rohm Semiconductor	237 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.65	Automotive AEC-Q200, High Voltage	ROHS3	1	Active
RC0805FR-07237KL	YAGEO	237 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.60	Moisture Resistant	ROHS3	1	Active
RMCF0805FT237K	Stackpole Electronics Inc	237 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.65	Automotive AEC-Q200	ROHS3	1	Active
CRCW0805237KFKEA	Vishay Dale	237 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.50	Automotive AEC-Q200	ROHS3	1	Active
MCR10ERTF2373	Rohm Semiconductor	237 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.65	Standard	ROHS3	1	Discontinued

Engineering Selection Recommendations

Primary Substitutes (Active Status, Highest Availability):

RC0805FR-07237KL (YAGEO) and CR0805-FX-2373ELF (Bourns Inc.) are direct equivalents with confirmed Active product status and inventory availability exceeding 39,000 units. Both maintain identical electrical specifications and moisture-resistant characteristics. Selection between these two is based on supply chain preference and lead time requirements.

Automotive-Grade Alternatives:

ERJ-6ENF2373V (Panasonic), KTR10EZPF2373 (Rohm), RMCF0805FT237K (Stackpole), and CRCW0805237KFKEA (Vishay Dale) incorporate AEC-Q200 automotive qualification. These components are suitable for applications requiring automotive-grade reliability standards. KTR10EZPF2373 includes additional high-voltage rating designation. Selection among automotive-grade options depends on specific application requirements and supply availability.

Discontinued Component:

MCR10ERTF2373 (Rohm) is marked as Discontinued at DiGi Electronics but maintains full electrical and environmental equivalence. This part is suitable only when existing inventory is available and future replenishment is not required.

Compliance Verification:

All listed substitutes maintain ROHS3 compliance, MSL Level 1 rating, and identical operating temperature specifications. No additional compliance verification is required for direct substitution.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC2012F2373CS with any of the listed parts without circuit redesign?

A: Yes. All listed substitute parts maintain identical resistance value (237 kOhms), tolerance (±1%), power rating (0.125W), package format (0805), and temperature coefficient (±100ppm/°C). Direct substitution is electrically and mechanically compatible without circuit modification.

Q: What is the difference between moisture-resistant and automotive-grade variants?

A: Moisture-resistant variants (CR0805-FX-2373ELF, RC0805FR-07237KL) are optimized for humidity protection. Automotive-grade variants (ERJ-6ENF2373V, KTR10EZPF2373, RMCF0805FT237K, CRCW0805237KFKEA) meet AEC-Q200 qualification standards for automotive applications. Both categories maintain identical electrical specifications. Selection depends on application environment requirements.

Q: Are there height differences between substitute parts?

A: Yes. Height-Seated maximum values range from 0.50mm (CRCW0805237KFKEA) to 0.70mm (ERJ-6ENF2373V). The primary part RC2012F2373CS measures 0.65mm maximum. Verify PCB clearance requirements before selecting parts with 0.70mm height. Variants with 0.50mm or 0.60mm height provide additional clearance margin.

Q: Can I use MCR10ERTF2373 as a long-term substitute?

A: MCR10ERTF2373 is marked as Discontinued at DiGi Electronics. Use this part only when existing inventory is available and future replenishment is not required. For new designs or ongoing production, select from Active status alternatives.

Q: What packaging formats are available?

A: RC2012F2373CS and most substitutes are supplied in Tape & Reel (TR) format. MCR10ERTF2373 is available in Cut Tape (CT) & Digi-Reel® format. Both formats are compatible with standard pick-and-place assembly equipment.

Q: Do all substitutes meet the same temperature range?

A: Yes. All substitute parts operate across -55°C to 155°C, matching the primary part specification. Temperature coefficient remains ±100ppm/°C across all variants.

Q: Which substitute has the highest inventory availability?

A: RC0805FR-07237KL (YAGEO) has the highest confirmed inventory at 232,680 units. CR0805-FX-2373ELF (Bourns) has 39,827 units available. Both provide immediate availability for high-volume requirements.

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