ERJ-S03F7871V Equivalent & Substitute Parts

Part Overview

The ERJ-S03F7871V is a 7.87 kOhms ±1% 0.1W chip resistor in 0603 (1608 Metric) package manufactured by Panasonic Electronic Components. This thick film resistor features anti-sulfur coating and automotive AEC-Q200 qualification, designed for automotive and industrial applications requiring high reliability in harsh environments. The part is active and in production. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and compliance certifications to ensure direct functional replacement in circuit designs.

Key Parameters

Parameter	Value
Resistance	7.87 kOhms
Tolerance	±1%
Power Rating	0.1W (1/10W)
Package / Case	0603 (1608 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the ERJ-S03F7871V are qualified based on the following criteria:

Electrical Parameters (Must Match):

Resistance value: 7.87 kOhms
Tolerance: ±1%
Power rating: 0.1W (1/10W)
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C

Mechanical Parameters (Must Match):

Package type: 0603 (1608 Metric)
Number of terminations: 2
Composition: Thick Film

Compliance & Certifications (Must Match or Exceed):

RoHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)
REACH Unaffected status

All identified substitutes meet these core requirements. Variations in physical dimensions (length, width, height) within standard 0603 tolerances and differences in specific features (anti-sulfur coating, moisture resistance) do not disqualify parts from substitution eligibility, as these represent manufacturing process variations within the same package class.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff (ppm/°C)	Op. Temp Range (°C)	AEC-Q200	RoHS3	MSL	Inventory (Pcs)
ERJ-S03F7871V	Panasonic Electronic Components	7.87 kOhms	±1%	0.1	0603	±100	-55 ~ 155	Yes	Yes	1	812
ERJ-3EKF7871V	Panasonic Electronic Components	7.87 kOhms	±1%	0.1	0603	±100	-55 ~ 155	Yes	Yes	1	46065
AC0603FR-077K87L	YAGEO	7.87 kOhms	±1%	0.1	0603	±100	-55 ~ 155	Yes	Yes	1	7465
CR0603-FX-7871ELF	Bourns Inc.	7.87 kOhms	±1%	0.1	0603	±100	-55 ~ 155	No	Yes	1	10384
CRCW06037K87FKEA	Vishay Dale	7.87 kOhms	±1%	0.1	0603	±100	-55 ~ 155	Yes	Yes	1	53889
RC0603FR-077K87L	YAGEO	7.87 kOhms	±1%	0.1	0603	±100	-55 ~ 155	No	Yes	1	200622
RMCF0603FT7K87	Stackpole Electronics Inc	7.87 kOhms	±1%	0.1	0603	±100	-55 ~ 155	Yes	Yes	1	69850

Engineering Selection Recommendations

All substitute parts listed are functionally equivalent to the ERJ-S03F7871V and meet the core electrical and mechanical requirements for direct replacement. Selection among substitutes should be based on the following factors:

For Automotive Applications: Parts with AEC-Q200 certification (ERJ-3EKF7871V, AC0603FR-077K87L, CRCW06037K87FKEA, RMCF0603FT7K87) are preferred when automotive qualification is a design requirement.

For Non-Automotive Applications: All parts, including CR0603-FX-7871ELF and RC0603FR-077K87L, are suitable when AEC-Q200 certification is not mandated.

Availability Considerations: RMCF0603FT7K87 (69,850 pcs), RC0603FR-077K87L (200,622 pcs), and CRCW06037K87FKEA (53,889 pcs) offer higher inventory levels for volume production requirements.

Packaging Format: ERJ-3EKF7871V is supplied in Cut Tape (CT) & Digi-Reel format, while all other substitutes use standard Tape & Reel (TR) packaging.

All parts are ROHS3 compliant, REACH unaffected, and carry MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard PCB assembly processes.

Frequently Asked Questions (FAQ)

Q: Can ERJ-3EKF7871V replace ERJ-S03F7871V directly? A: Yes. Both parts are manufactured by Panasonic, share identical electrical specifications (7.87 kOhms ±1%, 0.1W), operate across -55°C to 155°C, and are packaged in 0603 (1608 Metric). The primary difference is packaging format (Cut Tape vs. Tape & Reel) and series designation. Electrical and mechanical compatibility is complete.

Q: Are YAGEO AC0603FR-077K87L and RC0603FR-077K87L interchangeable? A: Yes. Both YAGEO parts meet identical electrical and mechanical specifications. AC0603FR-077K87L includes AEC-Q200 automotive qualification, while RC0603FR-077K87L does not. For non-automotive applications, both are functionally equivalent. RC0603FR-077K87L offers significantly higher inventory availability (200,622 pcs vs. 7,465 pcs).

Q: What is the difference between parts with and without AEC-Q200 certification? A: AEC-Q200 certification indicates the part meets automotive industry reliability and qualification standards. Parts without this certification (CR0603-FX-7871ELF, RC0603FR-077K87L) are suitable for general industrial and consumer applications but should not be used in designs requiring automotive-grade components.

Q: Do physical dimension variations affect substitution? A: No. All parts conform to the 0603 (1608 Metric) package standard. Minor variations in length, width, and height (within standard tolerances) do not affect PCB footprint compatibility or circuit performance.

Q: Are all substitute parts RoHS3 compliant? A: Yes. All listed substitutes carry ROHS3 Compliant status and are REACH unaffected, meeting environmental and regulatory requirements for global distribution.

Q: Which substitute offers the best availability for high-volume production? A: RC0603FR-077K87L provides the highest inventory level at 200,622 pcs. For automotive-qualified alternatives, RMCF0603FT7K87 (69,850 pcs) and CRCW06037K87FKEA (53,889 pcs) offer substantial stock.

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