ERJ-S03F2490V Equivalent & Substitute Parts

Part Overview

The ERJ-S03F2490V is a 249 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, designed for high-reliability applications in automotive and industrial environments. The part is currently active in production with 923 units in stock. Equivalent and substitute parts are identified based on matching electrical specifications, package dimensions, and compliance certifications to ensure direct circuit compatibility.

Key Parameters

Parameter	Value
Resistance	249 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 to 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S03F2490V is determined by the following criteria:

Primary Matching Parameters:

Resistance value: 249 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 to 155°C
Moisture sensitivity level: 1 (Unlimited)

Secondary Compliance Parameters:

RoHS3 compliance status
AEC-Q200 automotive qualification (where applicable)
REACH compliance status

All listed substitute parts match the primary electrical and mechanical parameters. Variations in packaging format (Tape & Reel vs. Cut Tape) and minor dimensional tolerances do not affect functional equivalence. Product status and compliance certifications are noted to support engineering selection based on application requirements.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff (ppm/°C)	Operating Temp (°C)	AEC-Q200	RoHS Status	Product Status	Inventory
ERJ-S03F2490V	Panasonic Electronic Components	249 Ω	±1%	0.1	0603	±100	-55 to 155	Yes	ROHS3	Active	923
ERJ-3EKF2490V	Panasonic Electronic Components	249 Ω	±1%	0.1	0603	±100	-55 to 155	Yes	ROHS3	Active	118109
CRG0603F249R	TE Connectivity Passive Product	249 Ω	±1%	0.1	0603	±100	-55 to 155	No	ROHS3	Active	858
AC0603FR-07249RL	YAGEO	249 Ω	±1%	0.1	0603	±100	-55 to 155	Yes	ROHS3	Active	14571
CR0603-FX-2490ELF	Bourns Inc.	249 Ω	±1%	0.1	0603	±100	-55 to 155	No	ROHS3	Active	26278
CRCW0603249RFKEA	Vishay Dale	249 Ω	±1%	0.1	0603	±100	-55 to 155	Yes	ROHS3	Active	96194
CRCW0603249RFKEB	Vishay Dale	249 Ω	±1%	0.1	0603	±100	-55 to 155	Yes	ROHS3	Discontinued at DiGi Electronics	38530
CRCW0603249RFKTA	Vishay Dale	249 Ω	±1%	0.1	0603	±100	-55 to 155	Yes	RoHS non-compliant	Active	6954
RC0603FR-07249RL	YAGEO	249 Ω	±1%	0.1	0603	±100	-55 to 155	No	ROHS3	Active	19126
RMCF0603FT249R	Stackpole Electronics Inc	249 Ω	±1%	0.1	0603	±100	-55 to 155	Yes	ROHS3	Active	54292

Engineering Selection Recommendations

For Automotive AEC-Q200 Applications: Select from parts with confirmed AEC-Q200 qualification: ERJ-3EKF2490V, AC0603FR-07249RL, CRCW0603249RFKEA, CRCW0603249RFKEB, CRCW0603249RFKTA, or RMCF0603FT249R. These parts meet automotive reliability standards required for safety-critical circuits.

For RoHS3 Compliance: All parts except CRCW0603249RFKTA meet ROHS3 compliance. CRCW0603249RFKTA is RoHS non-compliant and should not be used in applications requiring RoHS certification.

For General Industrial Applications: CRG0603F249R, CR0603-FX-2490ELF, and RC0603FR-07249RL are suitable alternatives without AEC-Q200 qualification, appropriate for non-automotive industrial use.

For High-Volume Availability: ERJ-3EKF2490V (118,109 units), CRCW0603249RFKEA (96,194 units), and RMCF0603FT249R (54,292 units) offer the highest inventory levels for supply chain continuity.

Avoid Discontinued Parts: CRCW0603249RFKEB is discontinued at DiGi Electronics and should not be selected for new designs requiring long-term availability.

Frequently Asked Questions (FAQ)

Q: Can I substitute ERJ-S03F2490V with any of the listed parts? A: All listed parts are electrically and mechanically equivalent based on matching resistance, tolerance, power rating, package, and temperature specifications. Selection depends on compliance requirements (AEC-Q200, RoHS3) and application context.

Q: What is the difference between Tape & Reel and Cut Tape packaging? A: Tape & Reel (TR) packaging is supplied on continuous tape for automated pick-and-place assembly. Cut Tape (CT) & Digi-Reel packaging is pre-cut and supplied in smaller quantities. Both formats contain identical components; packaging choice depends on assembly equipment and order volume.

Q: Does the ERJ-3EKF2490V lack anti-sulfur coating compared to the main part? A: The ERJ-3EKF2490V specification does not list anti-sulfur as a feature, while ERJ-S03F2490V includes anti-sulfur coating. For applications requiring sulfur resistance, verify coating requirements with the application specification.

Q: Are all substitute parts REACH compliant? A: All listed parts are either REACH Unaffected or have Vendor Undefined status. CRCW0603249RFKTA is REACH Affected. Confirm REACH compliance status with your procurement requirements.

Q: What is Moisture Sensitivity Level (MSL) 1? A: MSL 1 indicates unlimited shelf life without moisture exposure controls. All listed parts have MSL 1, meaning they do not require special moisture-barrier packaging or baking procedures before soldering.

Q: Can I use CRCW0603249RFKTA in new designs? A: CRCW0603249RFKTA is not RoHS3 compliant and is REACH Affected. It should not be used in new designs targeting RoHS or REACH compliance. Use CRCW0603249RFKEA or CRCW0603249RFKEB instead.

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