RC2012F7872CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F7872CS is a 78.7 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format with 0.125W power rating. 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, suitable for general industrial and consumer applications requiring precision resistive elements in compact surface-mount form factors.

Equivalent and substitute parts are necessary when the primary manufacturer part becomes unavailable, when supply chain constraints require alternative sourcing, or when design specifications allow for functionally compatible alternatives from different manufacturers that meet identical electrical and mechanical parameters.

Key Parameters

Parameter	Value	Specification Basis
Resistance Value	78.7 kOhms	Core electrical specification
Tolerance	±1%	Precision grade requirement
Power Rating	0.125W (1/8W)	Thermal dissipation capacity
Package Type	0805 (2012 Metric)	Physical form factor and PCB compatibility
Composition	Thick Film	Manufacturing technology
Temperature Coefficient	±100ppm/°C	Temperature stability specification
Operating Temperature Range	-55°C to 155°C	Environmental operating limits
Terminations	2	Standard two-terminal configuration
RoHS Status	ROHS3 Compliant	Environmental and regulatory compliance
Moisture Sensitivity Level	1 (Unlimited)	Handling and storage requirements

Substitute Part Grouping Explanation

Substitution eligibility for the RC2012F7872CS is determined by strict equivalence across the following mandatory parameters:

Electrical Parameters (Non-negotiable):

Resistance value: 78.7 kOhms (exact match required)
Tolerance: ±1% (exact match required)
Power rating: 0.125W minimum (equal or higher acceptable)
Temperature coefficient: ±100ppm/°C (exact match required)
Operating temperature range: -55°C to 155°C minimum (equal or wider acceptable)

Mechanical Parameters (Non-negotiable):

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

Compliance Parameters:

RoHS3 compliance (required for regulatory equivalence)
Moisture Sensitivity Level 1 (required for handling compatibility)

Substitute parts are classified into two categories:

Direct Substitutes: Parts meeting all mandatory electrical, mechanical, and compliance parameters with identical or superior specifications.

Similar Substitutes: Parts meeting all mandatory parameters but with product status changes (discontinued) or minor dimensional variations that do not affect functional performance or PCB assembly compatibility.

Parameter Comparison

Manufacturer	Part Number	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Temp Range	Height Max (mm)	Features	Product Status
Samsung Electro-Mechanics	RC2012F7872CS	78.7 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.65	Moisture Resistant	Active
Panasonic Electronic Components	ERJ-6ENF7872V	78.7 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.70	Automotive AEC-Q200	Active
Rohm Semiconductor	KTR10EZPF7872	78.7 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.65	Automotive AEC-Q200, High Voltage	Active
YAGEO	RC0805FR-0778K7L	78.7 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.60	Moisture Resistant	Active
Stackpole Electronics Inc	RMCF0805FT78K7	78.7 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.65	Automotive AEC-Q200	Active
Vishay Dale	CRCW080578K7FKEA	78.7 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.50	Automotive AEC-Q200	Active
Vishay Dale	CRCW080578K7FKEB	78.7 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.50	Automotive AEC-Q200	Discontinued at DiGi Electronics

Engineering Selection Recommendations

For Active Product Status Applications:

When RC2012F7872CS availability is constrained, the following Active status alternatives provide direct functional equivalence:

ERJ-6ENF7872V (Panasonic): Suitable for applications requiring automotive-grade AEC-Q200 certification. Height specification of 0.70mm remains within standard 0805 package tolerance.
KTR10EZPF7872 (Rohm Semiconductor): Appropriate for high-voltage circuit applications requiring automotive AEC-Q200 qualification. Identical height to primary part (0.65mm).
RC0805FR-0778K7L (YAGEO): Direct equivalent with moisture-resistant characteristics matching the primary part. Lowest profile height (0.60mm) suitable for space-constrained PCB layouts.
RMCF0805FT78K7 (Stackpole Electronics): Automotive-qualified alternative with identical height specification to primary part.
CRCW080578K7FKEA (Vishay Dale): Automotive AEC-Q200 qualified with lowest profile height (0.50mm), suitable for high-density PCB assemblies.

For Compliance-Driven Selection:

All listed substitutes maintain ROHS3 compliance and MSL 1 rating, ensuring regulatory equivalence and identical handling requirements. Selection between Active alternatives should prioritize:

Availability and lead time from authorized distributors
PCB assembly height constraints (range: 0.50mm to 0.70mm)
Automotive qualification requirements (AEC-Q200 available in all alternatives except primary part)

For Discontinued Product Considerations:

CRCW080578K7FKEB (Vishay Dale) is listed as discontinued at DiGi Electronics. This part remains functionally equivalent but should be selected only when alternative Active status parts are unavailable and existing inventory is confirmed through secondary distribution channels.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC2012F7872CS with any 78.7 kOhm resistor in 0805 package?

A: No. Substitution requires exact matching of tolerance (±1%), power rating (0.125W), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). Additionally, composition must be thick film, and RoHS3 compliance with MSL 1 rating must be maintained. Only parts listed in this reference meet all mandatory criteria.

Q: What is the difference between the Panasonic ERJ-6ENF7872V and the primary Samsung part?

A: Both parts are electrically and mechanically equivalent with identical resistance, tolerance, power rating, temperature coefficient, and operating range. The primary difference is that Panasonic's part includes automotive AEC-Q200 certification, making it suitable for automotive applications. The height specification differs by 0.05mm (0.70mm vs. 0.65mm), which remains within standard 0805 package tolerance and does not affect PCB assembly compatibility.

Q: Is the Rohm KTR10EZPF7872 suitable for non-automotive applications?

A: Yes. The KTR10EZPF7872 meets all electrical and mechanical specifications of the RC2012F7872CS. The automotive AEC-Q200 certification and high-voltage feature designation indicate enhanced reliability and performance margins, making this part suitable for any application requiring the specified electrical parameters. Automotive qualification does not restrict use to automotive applications.

Q: Why do Vishay Dale parts have different height specifications (0.50mm)?

A: The CRCW080578K7FKEA and CRCW080578K7FKEB both meet 0805 package specifications with a maximum seated height of 0.50mm, compared to 0.65mm for the primary part. This represents a tighter manufacturing tolerance within the 0805 standard. The lower profile is advantageous for high-density PCB layouts and does not affect electrical performance or compatibility with standard 0805 footprints.

Q: Can I use CRCW080578K7FKEB if it is discontinued?

A: CRCW080578K7FKEB is discontinued at DiGi Electronics but remains functionally equivalent to RC2012F7872CS. Use of this part is limited to applications where existing inventory is confirmed available through secondary distribution channels or authorized Vishay distributors. For new designs or long-term production, selection of Active status alternatives (CRCW080578K7FKEA, ERJ-6ENF7872V, KTR10EZPF7872, RC0805FR-0778K7L, or RMCF0805FT78K7) is recommended to ensure supply chain continuity.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed in this reference maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory equivalence with the primary RC2012F7872CS part. Moisture Sensitivity Level 1 (unlimited) is maintained across all alternatives, requiring identical handling and storage protocols.

Q: What is the significance of the ±100ppm/°C temperature coefficient?

A: The temperature coefficient specifies the resistance value change per degree Celsius within the operating temperature range. A ±100ppm/°C specification means the resistance value can drift up to 0.01% per degree Celsius. All listed substitutes maintain this identical specification, ensuring equivalent temperature stability performance across the -55°C to 155°C operating range. This parameter is critical for precision analog circuits and must not be compromised during substitution.

Q: Can I mix different substitute parts in the same PCB assembly?

A: Yes. All substitute parts are electrically and mechanically equivalent and can be used interchangeably within the same assembly. However, height variations (0.50mm to 0.70mm) may affect wave soldering or selective soldering processes. For consistent assembly process parameters, it is recommended to standardize on a single substitute part number per production batch.

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