RCS2012J475CS Equivalent & Substitute Parts

Part Overview

The RCS2012J475CS is a 4.7 MOhms ±5% 0.125W thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This component is rated for operating temperatures from -55°C to 155°C and features anti-sulfur and moisture-resistant construction. The part is Active in product status and RoHS3 compliant. Equivalent and substitute parts are identified when electrical specifications, mechanical dimensions, and package compatibility align with application requirements.

Key Parameters

Parameter	Value
Resistance	4.7 MOhms
Tolerance	±5%
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
Size / Dimension	0.079" L x 0.049" W (2.00mm x 1.25mm)
RoHS Status	RoHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Primary Compatibility Parameters:

Resistance value: 4.7 MOhms (exact match required)
Package / Case: 0805 (2012 Metric) (exact match required)
Temperature Coefficient: ±100ppm/°C (exact match required)
Operating Temperature Range: -55°C ~ 155°C (exact match required)
Composition: Thick Film (exact match required)
Number of Terminations: 2 (exact match required)

Secondary Compatibility Parameters (Allowable Variation):

Tolerance: ±5% or tighter (±1% acceptable as superior specification)
Power Rating: 0.125W minimum (0.25W acceptable as superior specification)
Height - Seated: Variation within mechanical assembly constraints

Compliance Parameters:

RoHS3 Compliant (required)
Moisture Sensitivity Level: 1 (Unlimited) preferred
REACH Status: Unaffected or Affected (both acceptable)

Substitute parts are grouped by tolerance specification, as this parameter directly affects circuit performance and design margin requirements.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Height - Seated (Max)	Features	RoHS Status	Packaging Type
RCS2012J475CS	Samsung Electro-Mechanics	4.7 MOhms	±5%	0.125W	0805	0.026" (0.66mm)	Anti-Sulfur, Moisture Resistant	RoHS3 Compliant	Tape & Reel (TR)
RC0805JR-074M7L	YAGEO	4.7 MOhms	±5%	0.125W	0805	0.024" (0.60mm)	Moisture Resistant	RoHS3 Compliant	Cut Tape (CT) & Digi-Reel®
RC0805FR-074M7L	YAGEO	4.7 MOhms	±1%	0.125W	0805	0.024" (0.60mm)	Moisture Resistant	RoHS3 Compliant	Tape & Reel (TR)
AC0805FR-074M7L	YAGEO	4.7 MOhms	±1%	0.125W	0805	0.024" (0.60mm)	Automotive AEC-Q200, Moisture Resistant	RoHS3 Compliant	Tape & Reel (TR)
CRCW08054M70FKEA	Vishay Dale	4.7 MOhms	±1%	0.125W	0805	0.020" (0.50mm)	Automotive AEC-Q200	RoHS3 Compliant	Tape & Reel (TR)
KTR10EZPF4704	Rohm Semiconductor	4.7 MOhms	±1%	0.125W	0805	0.026" (0.65mm)	Automotive AEC-Q200, High Voltage	RoHS3 Compliant	Tape & Reel (TR)
PCR0805-4M7J1	Riedon	4.7 MOhms	±5%	0.25W	0805	0.024" (0.60mm)	Pulse Withstanding	RoHS3 Compliant	Tape & Reel (TR)

Engineering Selection Recommendations

Group 1: ±5% Tolerance, 0.125W Power Rating (Direct Equivalents)

RC0805JR-074M7L (YAGEO) is a direct functional equivalent with identical electrical specifications. This part is available in Cut Tape and Digi-Reel packaging, differing from the Tape & Reel format of the main part. Selection is appropriate when packaging format flexibility is acceptable.

PCR0805-4M7J1 (Riedon) maintains ±5% tolerance and 0805 package compatibility but provides 0.25W power rating, exceeding the 0.125W specification. This part includes pulse withstanding features. Selection is appropriate for applications requiring enhanced power dissipation capability or pulse immunity. REACH Status is listed as Affected for this part.

Group 2: ±1% Tolerance, 0.125W Power Rating (Superior Tolerance Specification)

RC0805FR-074M7L (YAGEO) provides tighter ±1% tolerance while maintaining 0.125W power rating and 0805 package. This part is suitable for applications requiring improved tolerance performance without power rating changes.

AC0805FR-074M7L (YAGEO) and CRCW08054M70FKEA (Vishay Dale) both provide ±1% tolerance with Automotive AEC-Q200 certification. These parts are appropriate for automotive applications or designs requiring automotive-grade component qualification. KTR10EZPF4704 (Rohm Semiconductor) similarly provides ±1% tolerance with AEC-Q200 rating and includes high voltage capability.

All substitute parts maintain RoHS3 compliance, Moisture Sensitivity Level 1 (Unlimited), and operating temperature range of -55°C to 155°C, ensuring compatibility with the original part's environmental and regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can RC0805JR-074M7L replace RCS2012J475CS in all applications?

A: RC0805JR-074M7L is electrically and mechanically equivalent with identical resistance, tolerance, power rating, and package specifications. The primary difference is packaging format (Cut Tape & Digi-Reel versus Tape & Reel). Substitution is valid when packaging format does not constrain assembly processes.

Q: What is the difference between ±5% and ±1% tolerance parts?

A: Tolerance specifies the allowable deviation from the nominal resistance value. ±5% tolerance permits greater variation than ±1% tolerance. Parts with ±1% tolerance (RC0805FR-074M7L, AC0805FR-074M7L, CRCW08054M70FKEA, KTR10EZPF4704) provide tighter resistance control and are suitable for precision circuit applications. The ±5% tolerance parts (RCS2012J475CS, RC0805JR-074M7L, PCR0805-4M7J1) are appropriate for general-purpose applications where tighter tolerance is not required.

Q: Are automotive-rated parts (AEC-Q200) compatible with non-automotive applications?

A: Yes. Automotive AEC-Q200 certified parts (AC0805FR-074M7L, CRCW08054M70FKEA, KTR10EZPF4704) meet automotive qualification standards and are fully compatible with non-automotive applications. These parts provide additional reliability assurance through automotive qualification testing.

Q: What does "High Voltage" feature in KTR10EZPF4704 indicate?

A: The high voltage feature indicates enhanced voltage withstanding capability beyond standard specifications. This part is suitable for applications requiring higher voltage stress tolerance while maintaining the same 4.7 MOhms resistance and 0.125W power rating.

Q: Can PCR0805-4M7J1 with 0.25W power rating replace the 0.125W RCS2012J475CS?

A: Yes. PCR0805-4M7J1 provides superior power dissipation capability (0.25W versus 0.125W) and maintains identical resistance, tolerance, and package specifications. This substitution is appropriate for applications where enhanced power handling is beneficial or required. The part includes pulse withstanding features for additional protection.

Q: What is Moisture Sensitivity Level (MSL) 1?

A: MSL 1 indicates unlimited shelf life without moisture-related degradation. All listed parts maintain MSL 1 rating, ensuring equivalent moisture handling characteristics and storage requirements.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts are RoHS3 compliant. PCR0805-4M7J1 has REACH Status listed as Affected, while other parts are REACH Unaffected. Both statuses are acceptable for component selection; REACH Affected status indicates the part contains substances of concern but complies with REACH regulations.

Q: What is the significance of the 0805 (2012 Metric) package designation?

A: 0805 and 2012 Metric are equivalent designations for the same physical package size: 0.079" L x 0.049" W (2.00mm x 1.25mm). All listed parts use this identical package, ensuring mechanical and electrical compatibility in PCB assembly.

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