ERJ-S03F2551V Equivalent & Substitute Parts

Part Overview

The ERJ-S03F2551V is a 2.55 kOhms ±1% 0.1W thick film chip resistor in 0603 (1608 Metric) package manufactured by Panasonic Electronic Components. This part is rated for automotive applications under AEC-Q200 and features anti-sulfur construction. The part is currently active in production with 793 pieces in stock. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and automotive qualification requirements.

Key Parameters

Parameter	Value
Resistance	2.55 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
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the ERJ-S03F2551V are qualified based on the following criteria:

Resistance value: 2.55 kOhms
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
Moisture Sensitivity Level 1

All identified substitutes meet these core electrical and mechanical parameters. Automotive AEC-Q200 qualification is present on the main part and most substitutes, with some substitutes offering additional moisture-resistant features.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	AEC-Q200	Features	Inventory (Pcs)
ERJ-S03F2551V	Panasonic	2.55 kΩ	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	Yes	Anti-Sulfur	793
ERJ-3EKF2551V	Panasonic	2.55 kΩ	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	Yes	None Listed	111313
AC0603FR-072K55L	YAGEO	2.55 kΩ	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	Yes	Moisture Resistant	6666
CR0603-FX-2551ELF	Bourns Inc.	2.55 kΩ	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	No	Moisture Resistant	15390
CRCW06032K55FKEA	Vishay Dale	2.55 kΩ	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	Yes	None Listed	31056
RC0603FR-072K55L	YAGEO	2.55 kΩ	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	No	Moisture Resistant	963270
RMCF0603FT2K55	Stackpole Electronics Inc	2.55 kΩ	±1%	0.1	0603	±100ppm/°C	-55 ~ 155°C	Yes	None Listed	182638

Engineering Selection Recommendations

All substitute parts listed meet the core electrical and mechanical specifications of the ERJ-S03F2551V. Selection should be based on the following factors:

For automotive applications requiring AEC-Q200 qualification, the following parts are suitable: ERJ-3EKF2551V (Panasonic), AC0603FR-072K55L (YAGEO), CRCW06032K55FKEA (Vishay Dale), and RMCF0603FT2K55 (Stackpole Electronics Inc).

For applications where AEC-Q200 is not required, CR0603-FX-2551ELF (Bourns Inc.) and RC0603FR-072K55L (YAGEO) are available alternatives with moisture-resistant features.

All parts are ROHS3 compliant with Moisture Sensitivity Level 1 (unlimited shelf life). Physical dimensions are consistent across all parts, with minor variations in height and length within the 0603 package specification.

Frequently Asked Questions (FAQ)

Q: Can ERJ-3EKF2551V replace ERJ-S03F2551V directly?

A: Yes. Both parts are manufactured by Panasonic, share identical electrical specifications (2.55 kΩ ±1%, 0.1W), operate across the same temperature range (-55°C ~ 155°C), and carry AEC-Q200 automotive qualification. The primary difference is the series designation (ERJ-3EK vs. ERJ-S03). Both are thick film resistors in 0603 package with ±100ppm/°C temperature coefficient.

Q: Are YAGEO AC0603FR-072K55L and RC0603FR-072K55L interchangeable?

A: Both YAGEO parts meet the electrical specifications (2.55 kΩ ±1%, 0.1W, 0603 package). AC0603FR-072K55L carries AEC-Q200 automotive qualification, while RC0603FR-072K55L does not. Selection depends on whether automotive qualification is required for the application.

Q: What is the difference between parts with and without AEC-Q200 rating?

A: AEC-Q200 is an automotive qualification standard. Parts carrying this rating have undergone additional testing and validation for automotive environments. For non-automotive applications, parts without AEC-Q200 (CR0603-FX-2551ELF, RC0603FR-072K55L) are functionally equivalent in electrical performance.

Q: Do physical dimensions vary between substitutes?

A: Dimensions are consistent within the 0603 (1608 Metric) package specification. All parts measure 0.063" L x 0.031" W (1.60mm x 0.80mm) with maximum seated height of 0.022" (0.55mm), except CRCW06032K55FKEA and RMCF0603FT2K55 which have minor variations (0.061" L, 0.020" or 0.022" height). These variations remain within 0603 package tolerances.

Q: Are all substitutes ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant with Moisture Sensitivity Level 1, matching the compliance profile of the ERJ-S03F2551V.

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