RC2012F3743CS 374kOhm 1% 1/8W 0805 Chip Resistor Equivalent & Substitute Parts

Part Overview

The RC2012F3743CS is a 374 kOhms ±1% 0.125W 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. Substitute parts are identified when original inventory becomes unavailable, when alternative sourcing is required for supply chain continuity, or when design specifications permit equivalent electrical and mechanical characteristics from alternative manufacturers.

Key Parameters

Parameter	Value
Resistance	374 kOhms
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
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Packaging Type	Tape & Reel (TR)

Substitute Part Grouping Explanation

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

Electrical Parameters (Must Match Exactly):

Resistance value: 374 kOhms
Tolerance: ±1%
Power rating: 0.125W (1/8W)
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C

Mechanical Parameters (Must Match Exactly):

Package / Case: 0805 (2012 Metric)
Physical dimensions: 0.079" L x 0.049" W (2.00mm x 1.25mm)
Number of terminations: 2

Compliance Parameters (Must Match or Exceed):

RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

All identified substitute parts meet these criteria. Additional features such as automotive AEC-Q200 qualification or moisture-resistant construction represent enhanced capabilities that do not disqualify substitution but indicate suitability for specific application environments.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff (ppm/°C)	Op Temp Range	Height Max (mm)	Features	Product Status
RC2012F3743CS	Samsung Electro-Mechanics	374 kOhms	±1%	0.125	0805	±100	-55 ~ 155°C	0.65	Moisture Resistant	Active
ERJ-6ENF3743V	Panasonic Electronic Components	374 kOhms	±1%	0.125	0805	±100	-55 ~ 155°C	0.70	Automotive AEC-Q200	Active
RC0805FR-07374KL	YAGEO	374 kOhms	±1%	0.125	0805	±100	-55 ~ 155°C	0.60	Moisture Resistant	Active
RMCF0805FT374K	Stackpole Electronics Inc	374 kOhms	±1%	0.125	0805	±100	-55 ~ 155°C	0.65	Automotive AEC-Q200	Active
CRCW0805374KFKEA	Vishay Dale	374 kOhms	±1%	0.125	0805	±100	-55 ~ 155°C	0.50	Automotive AEC-Q200	Active
MCR10ERTF3743	Rohm Semiconductor	374 kOhms	±1%	0.125	0805	±100	-55 ~ 155°C	0.65	Standard Thick Film	Discontinued at DiGi Electronics

Engineering Selection Recommendations

Direct Substitutes (Active Status, Equivalent Specifications):

ERJ-6ENF3743V, RC0805FR-07374KL, RMCF0805FT374K, and CRCW0805374KFKEA are all Active products with identical electrical specifications and ROHS3 compliance. These parts are suitable for direct substitution in applications where the RC2012F3743CS is specified. Selection among these options is determined by availability, packaging preference (Tape & Reel), and application-specific requirements such as automotive qualification.

Automotive-Qualified Alternatives:

ERJ-6ENF3743V (Panasonic), RMCF0805FT374K (Stackpole), and CRCW0805374KFKEA (Vishay Dale) carry AEC-Q200 automotive qualification. These parts are appropriate for applications requiring automotive-grade component certification.

Moisture-Resistant Variants:

RC0805FR-07374KL (YAGEO) and the original RC2012F3743CS (Samsung) both feature moisture-resistant construction. These are suitable for applications in high-humidity or moisture-prone environments.

Discontinued Product:

MCR10ERTF3743 (Rohm Semiconductor) is listed as Discontinued at DiGi Electronics. While electrically equivalent, this part should not be selected for new designs or long-term supply requirements.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC2012F3743CS with any of the listed alternatives?

A: Yes. All listed alternatives except MCR10ERTF3743 are Active products with identical electrical parameters (374 kOhms ±1%, 0.125W, ±100ppm/°C, -55°C ~ 155°C) and equivalent mechanical specifications (0805 package, 2-termination configuration). MCR10ERTF3743 is electrically equivalent but discontinued and should not be used for new applications.

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

A: Moisture-resistant construction (RC2012F3743CS, RC0805FR-07374KL) provides enhanced protection in humid environments. Automotive AEC-Q200 qualification (ERJ-6ENF3743V, RMCF0805FT374K, CRCW0805374KFKEA) indicates compliance with automotive reliability and testing standards. These are independent features; a part may have one, both, or neither.

Q: Are there any height differences that affect PCB assembly?

A: Yes. Maximum seated heights range from 0.50mm (CRCW0805374KFKEA) to 0.70mm (ERJ-6ENF3743V). The original RC2012F3743CS is 0.65mm. Verify PCB clearance specifications before selecting a substitute with different height characteristics.

Q: Can I use these parts interchangeably in existing designs?

A: All substitute parts are mechanically and electrically compatible with the RC2012F3743CS in standard 0805 footprints. No design modifications are required. Verify that your application does not have specific manufacturer or qualification requirements that would restrict substitution.

Q: What packaging options are available?

A: All listed parts are supplied in Tape & Reel (TR) packaging, except MCR10ERTF3743 which is available in Cut Tape (CT) & Digi-Reel®. Tape & Reel is standard for high-volume production assembly.

Q: Which substitute has the best availability?

A: RC0805FR-07374KL (YAGEO) has the highest inventory at 59,071 pieces. ERJ-6ENF3743V (Panasonic) has 18,571 pieces. RMCF0805FT374K (Stackpole) has 14,533 pieces. Inventory levels are subject to change.

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