Equivalent & Substitute Parts for ERJ-S03F1101V

Part Overview

The ERJ-S03F1101V is a 1.1 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 high-reliability applications in automotive and industrial environments. The part is currently active in production with 1,076 units in stock.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when supply chain optimization is required, or when design flexibility allows for alternative qualified sources while maintaining electrical and mechanical compatibility.

Substiute Parts

ERJ-S03F1101V

Panasonic Electronic ComponentsIn Stock: 1132ERJ-S03F1101V Datasheet

Current PartRFQ

ERJ-U03F1101V

Panasonic Electronic ComponentsIn Stock: 2853ERJ-U03F1101V Datasheet

DirectRFQ

ERJ-3EKF1101V

Panasonic Electronic ComponentsIn Stock: 229063ERJ-3EKF1101V Datasheet

SimilarRFQ

AC0603FR-071K1L

YAGEOIn Stock: 51329AC0603FR-071K1L Datasheet

SimilarRFQ

CR0603-FX-1101ELF

Bourns Inc.In Stock: 50631CR0603-FX-1101ELF Datasheet

SimilarRFQ

CRCW06031K10FKEA

Vishay DaleIn Stock: 63537CRCW06031K10FKEA Datasheet

SimilarRFQ

CRCW06031K10FKEB

Vishay DaleIn Stock: 46549CRCW06031K10FKEB Datasheet

SimilarRFQ

CRCW06031K10FKTA

Vishay DaleIn Stock: 25728CRCW06031K10FKTA Datasheet

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RMCF0603FT1K10

Stackpole Electronics IncIn Stock: 84683RMCF0603FT1K10 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S03F1101V is determined by strict equivalence across the following critical parameters:

• Resistance value: 1.1 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
• Moisture sensitivity level: 1 (Unlimited)

All substitute parts listed maintain these electrical and mechanical specifications. Variations in physical dimensions (length, width, height) within the 0603 package specification, packaging format (Tape & Reel vs. Cut Tape), and manufacturer-specific features (anti-sulfur coating, moisture resistance) do not affect functional substitutability when these core parameters are matched.

Parameter Comparison

Engineering Selection Recommendations

For applications requiring AEC-Q200 automotive qualification and ROHS3 compliance, the following parts are recommended as direct substitutes:

• ERJ-U03F1101V (Panasonic): Direct equivalent with higher inventory availability (2,804 units)
• ERJ-3EKF1101V (Panasonic): Highest inventory availability (229,040 units) with full compliance
• CRCW06031K10FKEA (Vishay Dale): AEC-Q200 qualified with strong inventory (63,437 units)
• RMCF0603FT1K10 (Stackpole Electronics): AEC-Q200 qualified with excellent availability (84,648 units)
• AC0603FR-071K1L (YAGEO): AEC-Q200 qualified alternative source (51,273 units)

The CRCW06031K10FKEB variant is discontinued at DiGi Electronics and should not be selected for new designs. The CRCW06031K10FKTA is RoHS non-compliant and REACH-affected, making it unsuitable for applications requiring environmental compliance.

For applications where AEC-Q200 qualification is not mandatory, CR0603-FX-1101ELF (Bourns Inc.) remains electrically and mechanically compatible with all core parameters matched.

Frequently Asked Questions (FAQ)

Q: Can ERJ-S03F1101V be replaced with ERJ-U03F1101V?

A: Yes. Both parts are manufactured by Panasonic and share identical electrical specifications (1.1 kΩ ±1%, 0.1W, 0603 package, ±100ppm/°C, -55°C ~ 155°C operating range). Both are AEC-Q200 qualified and ROHS3 compliant. The primary difference is the series designation (ERJ-S03 vs. ERJ-U03), which reflects different manufacturing lines but equivalent performance.

Q: What is the difference between CRCW06031K10FKEA and CRCW06031K10FKEB?

A: Both are Vishay Dale CRCW series 1.1 kΩ ±1% 0603 resistors with identical electrical specifications. CRCW06031K10FKEA is supplied in Cut Tape (CT) & Digi-Reel® packaging with dimensions 0.061" L x 0.033" W. CRCW06031K10FKEB is supplied in Tape & Reel (TR) packaging with dimensions 0.063" L x 0.033" W. CRCW06031K10FKEB is discontinued at DiGi Electronics and should not be used for new designs.

Q: Is CRCW06031K10FKTA suitable for automotive applications?

A: CRCW06031K10FKTA is electrically and mechanically equivalent to ERJ-S03F1101V but is RoHS non-compliant and REACH-affected. It is not recommended for new automotive designs requiring environmental compliance certification.

Q: Can I use CR0603-FX-1101ELF as a substitute if AEC-Q200 is not required?

A: Yes. CR0603-FX-1101ELF (Bourns Inc.) meets all core electrical and mechanical parameters: 1.1 kΩ ±1%, 0.1W, 0603 package, ±100ppm/°C, -55°C ~ 155°C operating range, ROHS3 compliant, and MSL 1. The part lacks AEC-Q200 qualification but is otherwise fully compatible.

Q: Which substitute has the best inventory availability?

A: ERJ-3EKF1101V (Panasonic) has the highest inventory with 229,040 units in stock, followed by RMCF0603FT1K10 (Stackpole Electronics) with 84,648 units.

Q: Are all listed substitutes ROHS3 compliant?

A: All substitutes except CRCW06031K10FKTA are ROHS3 compliant. CRCW06031K10FKTA is RoHS non-compliant and should be avoided for applications requiring environmental compliance.

Q: Do physical dimension variations within the 0603 package affect substitutability?

A: No. All listed parts conform to the 0603 (1608 Metric) package specification. Minor variations in length, width, and height (within specification tolerances) do not affect functional substitutability or PCB assembly compatibility.