ERJ-S03F2870V Equivalent & Substitute Parts

Part Overview

The ERJ-S03F2870V is a 287 Ohm ±1% 0.1W thick film chip resistor in 0603 (1608 Metric) package manufactured by Panasonic Electronic Components. This part features anti-sulfur coating and automotive AEC-Q200 qualification, making it suitable for automotive and harsh environment applications. The part is currently active in production with 666 pieces in stock.

Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance ratings are maintained across different manufacturers. This ensures design flexibility and supply chain continuity without compromising circuit performance or reliability requirements.

Key Parameters

Parameter	Value
Resistance	287 Ohms
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

Substitution eligibility for the ERJ-S03F2870V is determined by strict equivalence across the following parameters:

Resistance value: 287 Ohms
Tolerance: ±1%
Power rating: 0.1W (1/10W)
Package: 0603 (1608 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C
RoHS3 compliance
MSL rating: 1 (Unlimited)

All identified substitute parts meet these core electrical and mechanical requirements. Variations in specific features (such as anti-sulfur versus moisture-resistant coatings, or automotive AEC-Q200 qualification) do not disqualify substitution but should be evaluated against application-specific environmental and reliability requirements.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	Features	AEC-Q200	RoHS3	Inventory (Pcs)
ERJ-S03F2870V	Panasonic Electronic Components	287 Ω	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Anti-Sulfur, Automotive AEC-Q200	Yes	Yes	666
ERJ-3EKF2870V	Panasonic Electronic Components	287 Ω	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Yes	Yes	1162950
CR0603-FX-2870ELF	Bourns Inc.	287 Ω	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	No	Yes	20041
CRCW0603287RFKEA	Vishay Dale	287 Ω	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Yes	Yes	28196
RC0603FR-07287RL	YAGEO	287 Ω	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	No	Yes	71098
RMCF0603FT287R	Stackpole Electronics Inc	287 Ω	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Yes	Yes	37689

Engineering Selection Recommendations

All substitute parts listed maintain full electrical and mechanical equivalence to the ERJ-S03F2870V. Selection should be based on the following criteria:

For automotive applications requiring AEC-Q200 qualification: ERJ-3EKF2870V (Panasonic), CRCW0603287RFKEA (Vishay Dale), and RMCF0603FT287R (Stackpole Electronics Inc) are qualified alternatives. These parts satisfy automotive reliability standards and temperature cycling requirements.

For general industrial applications: CR0603-FX-2870ELF (Bourns Inc.) and RC0603FR-07287RL (YAGEO) provide moisture-resistant thick film construction suitable for non-automotive environments while maintaining full electrical specification compliance.

For supply chain optimization: ERJ-3EKF2870V offers the highest inventory availability (1,162,950 pieces), followed by RC0603FR-07287RL (71,098 pieces) and RMCF0603FT287R (37,689 pieces).

All parts are ROHS3 compliant, carry MSL rating 1 (unlimited moisture sensitivity), and are classified as active products in current production.

Frequently Asked Questions (FAQ)

Q: Can ERJ-3EKF2870V replace ERJ-S03F2870V directly?

A: Yes. Both parts are manufactured by Panasonic, share identical electrical specifications (287 Ω ±1%, 0.1W), operate across -55°C to 155°C, and carry AEC-Q200 automotive qualification. The primary difference is the series designation (ERJ-3EK versus ERJ-S03). Mechanical footprint and thermal performance are equivalent.

Q: What is the difference between anti-sulfur and moisture-resistant coatings?

A: Anti-sulfur coating (ERJ-S03F2870V) protects against sulfur-containing atmospheric contaminants common in industrial and automotive environments. Moisture-resistant coating (CR0603-FX-2870ELF, RC0603FR-07287RL) provides protection against humidity and condensation. Both are thick film resistors with identical electrical performance. Application environment determines which coating is appropriate.

Q: Are all substitute parts suitable for automotive applications?

A: Parts with AEC-Q200 qualification (ERJ-3EKF2870V, CRCW0603287RFKEA, RMCF0603FT287R) meet automotive reliability and temperature cycling standards. CR0603-FX-2870ELF and RC0603FR-07287RL lack AEC-Q200 qualification and should be evaluated for non-automotive or non-critical automotive applications only.

Q: Do dimensional variations between parts affect PCB layout?

A: All parts use 0603 (1608 Metric) package with identical termination count (2). Dimensional variations (length 0.061" to 0.063", width 0.031" to 0.033", height 0.020" to 0.022") fall within standard 0603 package tolerances and do not require PCB layout modification.

Q: What is MSL rating 1 and why does it matter?

A: MSL (Moisture Sensitivity Level) 1 indicates unlimited shelf life without moisture bake-out requirements. All listed parts carry this rating, eliminating moisture-related handling constraints during storage and assembly.

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