RC2012F242CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F242CS is a 2.4 kOhms ±1% 0.125W (1/8W) thick film chip resistor in 0805 (2012 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with moisture-resistant construction and ROHS3 compliance. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and package compatibility to ensure direct circuit board replacement capability.

Key Parameters

Parameter	Value	Specification Basis
Resistance	2.4 kOhms	Electrical requirement
Tolerance	±1%	Electrical requirement
Power Rating	0.125W (1/8W)	Thermal requirement
Package / Case	0805 (2012 Metric)	Mechanical requirement
Composition	Thick Film	Construction type
Temperature Coefficient	±100ppm/°C	Performance specification
Operating Temperature Range	-55°C ~ 155°C	Environmental requirement
Moisture Sensitivity Level (MSL)	1 (Unlimited)	Handling requirement
RoHS Status	ROHS3 Compliant	Regulatory requirement

Substitute Part Grouping Explanation

Substitute parts are classified into two categories based on substitution compatibility:

Direct Substitutes maintain all electrical and mechanical parameters identical to the RC2012F242CS, including 0.125W power rating, ±1% tolerance, and standard moisture-resistant or automotive-grade construction. These parts are pin-compatible and footprint-compatible with no circuit modifications required.

Similar Substitutes share the same resistance value, tolerance, package, and temperature range but differ in one or more of the following parameters: power rating (0.5W instead of 0.125W), automotive AEC-Q200 certification, pulse withstanding capability, or product status (discontinued). These parts require design review to confirm suitability for the application.

Key Parameters Determining Substitution:

Resistance value: 2.4 kOhms (exact match required)
Tolerance: ±1% (exact match required)
Package: 0805 (2012 Metric) (exact match required)
Power rating: 0.125W minimum (higher ratings acceptable if circuit design permits)
Temperature coefficient: ±100ppm/°C (exact match required)
Operating temperature: -55°C ~ 155°C (exact match required)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp (°C)	Height Max (mm)	Features	Product Status
RC2012F242CS	Samsung Electro-Mechanics	2.4 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155	0.65	Moisture Resistant	Active
CR0805-FX-2401ELF	Bourns Inc.	2.4 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155	0.60	Moisture Resistant	Active
ERJ-6ENF2401V	Panasonic Electronic Components	2.4 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155	0.70	Automotive AEC-Q200	Active
KTR10EZPF2401	Rohm Semiconductor	2.4 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155	0.65	Automotive AEC-Q200, High Voltage	Active
RC0805FR-072K4L	YAGEO	2.4 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155	0.60	Moisture Resistant	Active
RMCF0805FT2K40	Stackpole Electronics Inc	2.4 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155	0.65	Automotive AEC-Q200	Active
AC0805FR-072K4L	YAGEO	2.4 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155	0.60	Automotive AEC-Q200, Moisture Resistant	Active
CRCW08052K40FKEA	Vishay Dale	2.4 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155	0.50	Automotive AEC-Q200	Active
CRCW08052K40FKEAHP	Vishay Dale	2.4 kΩ	±1%	0.5	0805	±100ppm/°C	-55 ~ 155	0.50	Automotive AEC-Q200, Pulse Withstanding	Active
ERJ-P06F2401V	Panasonic Electronic Components	2.4 kΩ	±1%	0.5	0805	±100ppm/°C	-55 ~ 155	0.70	Automotive AEC-Q200, Pulse Withstanding	Active
MCR10ERTF2401	Rohm Semiconductor	2.4 kΩ	±1%	0.125	0805	±100ppm/°C	-55 ~ 155	0.65	Standard	Discontinued

Engineering Selection Recommendations

For Direct Replacement (No Design Changes Required):

Select from the following parts when exact electrical and mechanical compatibility is required:

CR0805-FX-2401ELF (Bourns Inc.) — Active status, moisture-resistant, 0.60mm height
RC0805FR-072K4L (YAGEO) — Active status, moisture-resistant, highest inventory availability (5,000,300 pcs)
RMCF0805FT2K40 (Stackpole Electronics Inc) — Active status, automotive-grade AEC-Q200 certification
ERJ-6ENF2401V (Panasonic Electronic Components) — Active status, automotive-grade AEC-Q200 certification

All direct substitutes maintain 0.125W power rating, ±1% tolerance, and -55°C to 155°C operating range.

For Applications Requiring Automotive Qualification:

Select automotive AEC-Q200 certified parts:

ERJ-6ENF2401V (Panasonic)
KTR10EZPF2401 (Rohm Semiconductor) — includes high voltage capability
RMCF0805FT2K40 (Stackpole Electronics Inc)
AC0805FR-072K4L (YAGEO) — combines automotive certification with moisture resistance
CRCW08052K40FKEA (Vishay Dale)

For Applications Requiring Higher Power Dissipation:

Select 0.5W (1/2W) rated parts when circuit design permits:

CRCW08052K40FKEAHP (Vishay Dale) — pulse withstanding capability
ERJ-P06F2401V (Panasonic Electronic Components) — pulse withstanding capability

Avoid:

MCR10ERTF2401 (Rohm Semiconductor) — product status is discontinued at DiGi Electronics; use KTR10EZPF2401 as active alternative from same manufacturer.

Frequently Asked Questions (FAQ)

Q: Can I use a 0.5W rated resistor in place of the 0.125W RC2012F242CS?

A: Yes, from an electrical standpoint. A higher power rating resistor can safely replace a lower power rating resistor in the same package if circuit board thermal management and layout remain unchanged. However, verify that the application does not require the specific thermal characteristics of the 0.125W component. Parts CRCW08052K40FKEAHP and ERJ-P06F2401V are 0.5W alternatives with identical resistance and tolerance.

Q: What is the difference between moisture-resistant and automotive AEC-Q200 rated resistors?

A: Moisture-resistant resistors (RC2012F242CS, CR0805-FX-2401ELF, RC0805FR-072K4L) are designed to withstand humidity exposure during storage and operation. Automotive AEC-Q200 rated resistors (ERJ-6ENF2401V, RMCF0805FT2K40, AC0805FR-072K4L, CRCW08052K40FKEA) meet additional automotive industry qualification standards including thermal cycling, vibration, and reliability testing. AEC-Q200 parts are suitable for both automotive and general industrial applications.

Q: Are all 0805 package resistors mechanically interchangeable?

A: Yes, all parts listed share the 0805 (2012 Metric) package designation with identical length (0.079" / 2.00mm) and width (0.049" / 1.25mm). Height variations range from 0.50mm to 0.70mm maximum seated height. These minor height differences do not affect PCB assembly compatibility or soldering process parameters.

Q: Which substitute part has the highest inventory availability?

A: RC0805FR-072K4L (YAGEO) has the highest inventory with 5,000,300 pieces in stock. This part is a direct substitute with moisture-resistant construction and active product status.

Q: Can I substitute MCR10ERTF2401 if it is still available from my supplier?

A: MCR10ERTF2401 is discontinued at DiGi Electronics. Although limited inventory may exist through other channels, design specifications should transition to active alternatives. KTR10EZPF2401 from Rohm Semiconductor is the recommended active replacement, offering automotive AEC-Q200 certification and high voltage capability.

Q: What does ±100ppm/°C temperature coefficient mean for this resistor?

A: The temperature coefficient specifies resistance value change per degree Celsius. At ±100ppm/°C, the RC2012F242CS resistance will change by approximately ±0.01% per °C across the -55°C to 155°C operating range. All listed substitutes maintain identical temperature coefficient specification.

Q: Are all listed parts ROHS3 compliant?

A: Yes, all parts in this reference are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for electronic component manufacturing and use.

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