RC2012J472CS 4.7kΩ 0805 SMD Resistor Equivalent & Substitute Parts

Part Overview

The RC2012J472CS is a 4.7 kΩ ±5% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This component is rated for 0.125W (1/8W) power dissipation and operates across the temperature range of -55°C to 155°C. The part is ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating and is currently in active production status with 1062 units in stock.

Equivalent and substitute parts are necessary when the original RC2012J472CS becomes unavailable, when alternative packaging formats are required, or when enhanced tolerance specifications (±1% instead of ±5%) are needed for improved circuit performance. Substitute parts must maintain identical electrical specifications (4.7 kΩ resistance, 0.125W power rating, 0805 package) and compatible mechanical dimensions to ensure direct PCB compatibility.

Key Parameters

Parameter	Value	Specification Type
Resistance Value	4.7 kΩ	Electrical
Tolerance	±5%	Electrical
Power Rating	0.125W (1/8W)	Electrical
Package / Case	0805 (2012 Metric)	Mechanical
Composition	Thick Film	Material
Temperature Coefficient	±100ppm/°C	Electrical
Operating Temperature Range	-55°C to 155°C	Environmental
Moisture Sensitivity Level	1 (Unlimited)	Environmental
RoHS Status	ROHS3 Compliant	Compliance

Substitute Part Grouping Explanation

Substitute parts for the RC2012J472CS are classified into two categories based on tolerance specification:

Direct Equivalents (±5% Tolerance): Parts maintaining the original ±5% tolerance specification with identical 4.7 kΩ resistance, 0.125W power rating, and 0805 package dimensions. These parts are functionally interchangeable without circuit redesign.

Upgrade Substitutes (±1% Tolerance): Parts with improved ±1% tolerance specification while maintaining all other electrical and mechanical parameters. These parts provide enhanced accuracy for precision applications and are backward compatible with designs originally specified for ±5% tolerance.

Critical Substitution Parameters:

Resistance value: 4.7 kΩ (exact match required)
Power rating: 0.125W minimum (higher ratings acceptable)
Package: 0805 (2012 Metric) with compatible footprint dimensions
Composition: Thick film construction
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C minimum
Moisture sensitivity: MSL 1 or equivalent
RoHS compliance: ROHS3 or equivalent

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Features	RoHS Status	Packaging Type
RC2012J472CS	Samsung Electro-Mechanics	4.7 kΩ	±5%	0.125	0805	±100ppm/°C	-55 to 155°C	Moisture Resistant	ROHS3	Cut Tape
RC2012F472CS	Samsung Electro-Mechanics	4.7 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	Moisture Resistant	ROHS3	Cut Tape
RC0805JR-074K7L	YAGEO	4.7 kΩ	±5%	0.125	0805	±100ppm/°C	-55 to 155°C	Moisture Resistant	ROHS3	Tape & Reel
RC0805JR-074K7P	YAGEO	4.7 kΩ	±5%	0.125	0805	±100ppm/°C	-55 to 155°C	Standard	ROHS3	Tape & Reel
AC0805FR-074K7L	YAGEO	4.7 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200, Moisture Resistant	ROHS3	Cut Tape & Digi-Reel
AF0805FR-074K7L	YAGEO	4.7 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	Anti-Sulfur, Automotive AEC-Q200	ROHS3	Tape & Reel
CR0805-FX-4701ELF	Bourns Inc.	4.7 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	Moisture Resistant	ROHS3	Cut Tape & Digi-Reel
CRG0805F4K7	TE Connectivity Passive Product	4.7 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	Standard	ROHS3	Tape & Reel
ERJ-6ENF4701V	Panasonic Electronic Components	4.7 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200	ROHS3	Cut Tape & Digi-Reel
KTR10EZPF4701	Rohm Semiconductor	4.7 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200, High Voltage	ROHS3	Tape & Reel
RC0805FR-074K7L	YAGEO	4.7 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	Moisture Resistant	ROHS3	Cut Tape & Digi-Reel

Engineering Selection Recommendations

For Direct Replacement (Same Tolerance):

RC0805JR-074K7L (YAGEO) and RC0805JR-074K7P (YAGEO) are direct functional equivalents maintaining the ±5% tolerance specification of the original RC2012J472CS. Both parts are ROHS3 compliant with MSL 1 rating and identical operating temperature range. RC0805JR-074K7L includes moisture resistant features matching the original specification. Selection between these options depends on packaging format availability: RC0805JR-074K7L is supplied in Tape & Reel format with 17534 units in stock, while RC0805JR-074K7P is also Tape & Reel packaged with 13985 units available.

For Tolerance Upgrade (±1% Specification):

RC2012F472CS (Samsung Electro-Mechanics) provides a direct upgrade path from the original RC2012J472CS, maintaining identical manufacturer and Cut Tape packaging while improving tolerance to ±1%. This part is ROHS3 compliant with 3850 units in stock.

RC0805FR-074K7L (YAGEO) offers ±1% tolerance with moisture resistant features and is available in Cut Tape & Digi-Reel packaging with 102776 units in stock.

CR0805-FX-4701ELF (Bourns Inc.) provides ±1% tolerance with moisture resistant features in Cut Tape & Digi-Reel format with 619307 units in stock.

For Automotive Applications (AEC-Q200 Rated):

AC0805FR-074K7L (YAGEO), AF0805FR-074K7L (YAGEO), ERJ-6ENF4701V (Panasonic), and KTR10EZPF4701 (Rohm) all carry AEC-Q200 automotive qualification with ±1% tolerance. These parts are suitable for automotive circuit applications requiring enhanced reliability standards. KTR10EZPF4701 additionally features high voltage capability.

All substitute parts listed maintain ROHS3 compliance, MSL 1 moisture sensitivity rating, and -55°C to 155°C operating temperature range, ensuring compatibility with the original design specifications.

Frequently Asked Questions (FAQ)

Q: Can I use a ±1% tolerance resistor as a substitute for the ±5% RC2012J472CS?

A: Yes. A ±1% tolerance part is a direct upgrade substitute. The tighter tolerance provides improved circuit accuracy while maintaining all other electrical and mechanical specifications. The part will function correctly in any circuit designed for the original ±5% component.

Q: What is the difference between Cut Tape and Tape & Reel packaging?

A: Cut Tape (CT) packaging provides individual component strips suitable for manual assembly or small-volume production. Tape & Reel (TR) packaging supplies components on continuous reels for automated pick-and-place assembly equipment. Both formats contain identical components; packaging selection depends on assembly process requirements.

Q: Are all listed substitute parts mechanically compatible with the RC2012J472CS footprint?

A: Yes. All substitute parts use the 0805 (2012 Metric) package with identical footprint dimensions: 0.079" L × 0.049" W (2.00mm × 1.25mm). Maximum seated heights range from 0.024" to 0.028" (0.60mm to 0.70mm), which is within standard PCB assembly tolerances and compatible with existing 0805 footprints.

Q: What does "Moisture Resistant" feature mean?

A: Moisture resistant thick film construction provides enhanced protection against moisture absorption and environmental degradation. This feature is particularly important for applications exposed to high humidity or condensation conditions. The RC2012J472CS and several substitute parts (RC0805JR-074K7L, AC0805FR-074K7L, CR0805-FX-4701ELF, RC0805FR-074K7L) include this feature.

Q: Which substitute parts are suitable for automotive applications?

A: AC0805FR-074K7L, AF0805FR-074K7L, ERJ-6ENF4701V, and KTR10EZPF4701 carry AEC-Q200 automotive qualification. These parts meet automotive industry reliability and performance standards and are suitable for automotive circuit applications.

Q: What is the significance of MSL 1 (Unlimited) moisture sensitivity rating?

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. This eliminates the need for desiccant packaging or baking procedures before soldering, simplifying inventory management and assembly processes.

Q: Can I substitute a part with higher power rating than 0.125W?

A: The RC2012J472CS is specified for 0.125W power dissipation. While a higher power-rated component would function in the circuit, it is not necessary and may introduce unnecessary cost and size considerations. All listed substitutes maintain the 0.125W specification to ensure direct compatibility.

Q: What does ROHS3 compliance mean?

A: ROHS3 (Restriction of Hazardous Substances Directive 3) compliance indicates the component is manufactured without prohibited hazardous materials including lead, cadmium, mercury, and certain flame retardants. All listed substitute parts are ROHS3 compliant, ensuring environmental and regulatory compliance.

Q: Are there any differences in temperature coefficient between the main part and substitutes?

A: No. All listed parts, including the RC2012J472CS and all substitutes, maintain a temperature coefficient of ±100ppm/°C and operate across the identical -55°C to 155°C temperature range.

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