RCS2012J752CS Equivalent & Substitute Parts Reference

Part Overview

The RCS2012J752CS is a 7.5 kOhms ±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 with anti-sulfur and moisture-resistant construction. The part is Active status and ROHS3 compliant with unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are necessary when the primary part experiences supply constraints, inventory limitations, or when design requirements permit tolerance or power rating variations while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Resistance	7.5 kOhms
Tolerance	±5%
Power Rating	0.125W (1/8W)
Package / Case	0805 (2012 Metric)
Composition	Thick Film
Operating Temperature Range	-55°C to 155°C
Temperature Coefficient	±100ppm/°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)
Packaging Format	Tape & Reel (TR)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Resistance value: 7.5 kOhms (exact match required)
Package / Case: 0805 (2012 Metric) (exact match required)
Composition: Thick Film (exact match required)
Operating Temperature Range: -55°C to 155°C (exact match required)
Temperature Coefficient: ±100ppm/°C (exact match required)
Number of Terminations: 2 (exact match required)

Secondary Substitution Parameters (Allowable Variations):

Tolerance: ±5% (main part) to ±1% (substitute acceptable; tighter tolerance is compatible)
Power Rating: 0.125W (main part) to 0.4W or 0.5W (substitute acceptable; higher power rating is compatible)
Manufacturer: Any manufacturer meeting above criteria
Features: Anti-sulfur, moisture-resistant, automotive AEC-Q200, or pulse-withstanding capabilities are compatible enhancements
RoHS Status: ROHS3 Compliant required; RoHS non-compliant substitutes excluded
Moisture Sensitivity Level: MSL 1 (Unlimited) required

All substitute parts listed meet these criteria and are electrically and mechanically interchangeable with RCS2012J752CS in standard PCB applications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Temp Coeff	Op Temp Range	Height Max	RoHS Status	MSL	Inventory
RCS2012J752CS	Samsung Electro-Mechanics	7.5 kOhms	±5%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.66mm	ROHS3	1	936 Pcs
AC0805FR-077K5L	YAGEO	7.5 kOhms	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.60mm	ROHS3	1	11752 Pcs
AC0805JR-077K5L	YAGEO	7.5 kOhms	±5%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.60mm	ROHS3	1	10021 Pcs
CRCW08057K50FKEA	Vishay Dale	7.5 kOhms	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.50mm	ROHS3	1	45080 Pcs
CRCW08057K50FKEAHP	Vishay Dale	7.5 kOhms	±1%	0.5W	0805	±100ppm/°C	-55°C ~ 155°C	0.50mm	ROHS3	1	9486 Pcs
CRCW08057K50FKTA	Vishay Dale	7.5 kOhms	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.50mm	RoHS non-compliant	1	5200 Pcs
ERJ-6ENF7501V	Panasonic Electronic Components	7.5 kOhms	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.70mm	ROHS3	1	63890 Pcs
ESR10EZPF7501	Rohm Semiconductor	7.5 kOhms	±1%	0.4W	0805	±100ppm/°C	-55°C ~ 155°C	0.65mm	ROHS3	1	9923 Pcs
RC0805FR-077K5L	YAGEO	7.5 kOhms	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.60mm	ROHS3	1	411349 Pcs
RC0805JR-077K5L	YAGEO	7.5 kOhms	±5%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.60mm	ROHS3	1	119903 Pcs
RCS08057K50FKEA	Vishay Dale	7.5 kOhms	±1%	0.5W	0805	±100ppm/°C	-55°C ~ 155°C	0.50mm	ROHS3	1	17749 Pcs

Engineering Selection Recommendations

Direct Equivalents (Identical Specifications):

RC0805JR-077K5L (YAGEO) and AC0805JR-077K5L (YAGEO) are direct functional equivalents to RCS2012J752CS, matching all electrical parameters including 7.5 kOhms ±5% tolerance and 0.125W power rating. Both are ROHS3 compliant with MSL 1 rating. RC0805JR-077K5L offers significantly higher inventory availability (119903 Pcs) compared to the primary part.

Tighter Tolerance Substitutes (±1% Tolerance):

AC0805FR-077K5L, CRCW08057K50FKEA, ERJ-6ENF7501V, RC0805FR-077K5L, and RCS08057K50FKEA all provide ±1% tolerance, which is tighter than the ±5% specification of RCS2012J752CS. These parts are electrically compatible and suitable for applications where improved tolerance is beneficial. All are ROHS3 compliant with MSL 1 rating.

Higher Power Rating Substitutes:

CRCW08057K50FKEAHP (0.5W), ESR10EZPF7501 (0.4W), and RCS08057K50FKEA (0.5W) provide increased power dissipation capability while maintaining the 7.5 kOhms resistance value and 0805 package format. These are suitable for applications requiring thermal margin or higher pulse withstanding capability. All are ROHS3 compliant with MSL 1 rating.

Excluded Substitute:

CRCW08057K50FKTA is excluded from recommended substitutes due to RoHS non-compliant status, which conflicts with the ROHS3 compliance requirement of the primary part.

Compliance Verification:

All recommended substitutes maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity level, ensuring compatibility with standard PCB assembly and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can I use a ±1% tolerance resistor as a substitute for the ±5% RCS2012J752CS?

A: Yes. Tighter tolerance (±1%) is electrically compatible with applications designed for ±5% tolerance. The substitute will provide improved accuracy without affecting circuit functionality. Parts such as RC0805FR-077K5L, AC0805FR-077K5L, and ERJ-6ENF7501V are direct substitutes with this characteristic.

Q: Are higher power-rated substitutes (0.4W or 0.5W) compatible with a 0.125W design specification?

A: Yes. Higher power-rated resistors are mechanically and electrically compatible with 0.125W designs. The resistor will dissipate less power than its rating, operating safely within design margins. Parts such as CRCW08057K50FKEAHP (0.5W) and ESR10EZPF7501 (0.4W) are suitable substitutes.

Q: Does package height variation affect PCB assembly compatibility?

A: Package height variations within the 0805 (2012 Metric) specification range (0.50mm to 0.70mm maximum seated height) do not affect standard PCB assembly processes. All listed substitutes are compatible with standard pick-and-place equipment and reflow soldering profiles.

Q: What is the significance of AEC-Q200 automotive rating on substitute parts?

A: AEC-Q200 certification indicates the part meets automotive-grade reliability standards. Substitutes with AEC-Q200 rating (AC0805FR-077K5L, AC0805JR-077K5L, CRCW08057K50FKEA, CRCW08057K50FKEAHP, ERJ-6ENF7501V, RCS08057K50FKEA) are suitable for both general industrial and automotive applications. Non-automotive rated substitutes (RC0805FR-077K5L, RC0805JR-077K5L) are suitable for general industrial applications.

Q: Why is CRCW08057K50FKTA not recommended despite meeting electrical specifications?

A: CRCW08057K50FKTA is RoHS non-compliant, conflicting with the ROHS3 compliance requirement of RCS2012J752CS. This creates regulatory and supply chain incompatibility for applications requiring RoHS certification.

Q: Which substitute offers the best inventory availability?

A: RC0805FR-077K5L (YAGEO) provides the highest inventory availability at 411349 Pcs, followed by RC0805JR-077K5L at 119903 Pcs. Both are ROHS3 compliant with MSL 1 rating and suitable for immediate procurement.

Q: Are all substitutes suitable for moisture-sensitive environments?

A: Yes. All recommended substitutes maintain MSL 1 (Unlimited) moisture sensitivity level, identical to RCS2012J752CS. No special moisture control measures are required during storage or assembly.

Q: Can I mix different substitute part numbers in the same production batch?

A: Yes. All listed substitutes are electrically and mechanically interchangeable. Mixing different manufacturers or tolerance grades in the same assembly is permissible from a technical standpoint, though single-part standardization is recommended for supply chain management and traceability.

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