RC2012F203CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F203CS is a 20 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 characteristics and unlimited moisture sensitivity level (MSL 1). The part is ROHS3 compliant and REACH unaffected, making it suitable for general industrial and consumer applications. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct interchangeability in circuit designs.

Key Parameters

Parameter	Specification
Resistance Value	20 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 to 155°C
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

Substitute parts for the RC2012F203CS are qualified based on the following critical parameters that determine functional and mechanical interchangeability:

Electrical Parameters:

Resistance value: 20 kOhms (exact match required)
Tolerance: ±1% (exact match required)
Power rating: 0.125W / 1/8W (exact match required)
Temperature coefficient: ±100ppm/°C (exact match required)
Operating temperature range: -55°C to 155°C (exact match required)

Mechanical Parameters:

Package type: 0805 (2012 Metric) (exact match required)
Composition: Thick Film (exact match required)
Number of terminations: 2 (exact match required)

Compliance Parameters:

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

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

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Composition	Temp Coeff (ppm/°C)	Op. Temp (°C)	Height Max (mm)	Features	RoHS	MSL
RC2012F203CS	Samsung Electro-Mechanics	20 kΩ	±1%	0.125	0805	Thick Film	±100	-55 to 155	0.65	Moisture Resistant	ROHS3	1
CR0805-FX-2002ELF	Bourns Inc.	20 kΩ	±1%	0.125	0805	Thick Film	±100	-55 to 155	0.60	Moisture Resistant	ROHS3	1
CRG0805F20K	TE Connectivity Passive Product	20 kΩ	±1%	0.125	0805	Thick Film	±100	-55 to 155	0.65	—	ROHS3	1
ERJ-6ENF2002V	Panasonic Electronic Components	20 kΩ	±1%	0.125	0805	Thick Film	±100	-55 to 155	0.70	Automotive AEC-Q200	ROHS3	1
KTR10EZPF2002	Rohm Semiconductor	20 kΩ	±1%	0.125	0805	Thick Film	±100	-55 to 155	0.65	Automotive AEC-Q200, High Voltage	ROHS3	1
RC0805FR-0720KL	YAGEO	20 kΩ	±1%	0.125	0805	Thick Film	±100	-55 to 155	0.60	Moisture Resistant	ROHS3	1
RCG080520K0FKEA	Vishay Dale	20 kΩ	±1%	0.125	0805	Thick Film	±100	-55 to 155	0.50	—	ROHS3	1
RMCF0805FT20K0	Stackpole Electronics Inc	20 kΩ	±1%	0.125	0805	Thick Film	±100	-55 to 155	0.65	Automotive AEC-Q200	ROHS3	1
AC0805FR-0720KL	YAGEO	20 kΩ	±1%	0.125	0805	Thick Film	±100	-55 to 155	0.60	Automotive AEC-Q200, Moisture Resistant	ROHS3	1
CRCW080520K0FKEA	Vishay Dale	20 kΩ	±1%	0.125	0805	Thick Film	±100	-55 to 155	0.50	Automotive AEC-Q200	ROHS3	1

Engineering Selection Recommendations

All listed substitute parts meet the core electrical and mechanical specifications of the RC2012F203CS and are qualified for direct substitution in applications requiring a 20 kOhms ±1% 0.125W thick film resistor in 0805 package format.

Standard Industrial Applications: CR0805-FX-2002ELF (Bourns), RC0805FR-0720KL (YAGEO), and CRG0805F20K (TE Connectivity) are suitable for general industrial and consumer electronics where moisture resistance and standard compliance are required.

Automotive and High-Reliability Applications: ERJ-6ENF2002V (Panasonic), KTR10EZPF2002 (Rohm), RMCF0805FT20K0 (Stackpole), and AC0805FR-0720KL (YAGEO) carry AEC-Q200 automotive qualification and are appropriate for automotive, industrial control, and high-reliability circuit designs. KTR10EZPF2002 additionally features high voltage capability.

Precision Applications: RC0805DR-0720KL (YAGEO) offers enhanced tolerance of ±0.5% compared to the standard ±1%, providing improved accuracy for precision measurement and signal conditioning circuits where tighter tolerance is specified.

Compact Design Constraints: RCG080520K0FKEA (Vishay Dale) and CRCW080520K0FKEA (Vishay Dale) feature reduced seated height of 0.50mm, suitable for applications with strict PCB thickness or stacking constraints.

All substitute parts maintain ROHS3 compliance and MSL 1 rating, ensuring environmental and regulatory compatibility with the original RC2012F203CS specification.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC2012F203CS with any of the listed parts without circuit redesign?

A: Yes. All listed substitute parts match the critical electrical parameters (20 kOhms ±1%, 0.125W, ±100ppm/°C, -55°C to 155°C) and mechanical specifications (0805 package, thick film composition, 2 terminations). Direct substitution is electrically and mechanically compatible. Verify PCB layout clearances if using parts with different seated heights.

Q: What is the difference between standard and automotive-qualified substitutes?

A: Automotive-qualified parts (ERJ-6ENF2002V, KTR10EZPF2002, RMCF0805FT20K0, AC0805FR-0720KL, CRCW080520K0FKEA) carry AEC-Q200 certification, indicating compliance with automotive reliability and environmental stress testing standards. These parts are suitable for automotive, industrial control, and mission-critical applications. Standard parts are appropriate for general industrial and consumer applications.

Q: Does the seated height difference affect substitution?

A: Seated height variations (0.50mm to 0.70mm) do not affect electrical performance or standard PCB assembly. However, verify clearance in applications with strict height constraints, such as low-profile assemblies or designs with component stacking requirements.

Q: Is moisture resistance a critical parameter for substitution?

A: Moisture resistance is not a critical substitution parameter. The RC2012F203CS specifies moisture-resistant composition, and most substitutes include this feature. However, CRG0805F20K and RCG080520K0FKEA do not explicitly list moisture resistance. These parts remain electrically and mechanically compatible but may be selected based on application environment requirements.

Q: Can I use RC0805DR-0720KL (±0.5% tolerance) as a substitute for RC2012F203CS (±1% tolerance)?

A: Yes. RC0805DR-0720KL is a direct upgrade with tighter tolerance (±0.5% versus ±1%). It is electrically and mechanically compatible and provides improved accuracy. Use this part when circuit design requires enhanced tolerance performance.

Q: What packaging formats are available for these substitutes?

A: Substitute parts are supplied in Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® formats. The RC2012F203CS is supplied in Tape & Reel. Verify packaging format compatibility with your procurement and assembly processes. Electrical and mechanical specifications remain identical across packaging formats.

Q: Are all substitutes ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected, matching the environmental compliance of the RC2012F203CS. MSL rating is 1 (Unlimited) for all parts, indicating no moisture sensitivity restrictions during storage and handling.

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