ERJ-S03F2R70V Equivalent & Substitute Parts

Part Overview

The ERJ-S03F2R70V is a 2.7 Ohm ±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 requiring temperature stability across -55°C to 155°C operating range. The part is currently active in production with 1012 pieces available in stock. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity for applications where the primary part number may face availability constraints or where alternative series options meet identical electrical and mechanical specifications.

Substiute Parts

ERJ-S03F2R70V

Panasonic Electronic ComponentsIn Stock: 1086ERJ-S03F2R70V Datasheet

Current PartRFQ

ERJ-U03F2R70V

Panasonic Electronic ComponentsIn Stock: 5929ERJ-U03F2R70V Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ERJ-S03F2R70V is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part ERJ-U03F2R70V qualifies as a direct equivalent based on the following matching criteria:

Electrical Parameters (Must Match Exactly):

• Resistance value: 2.7 Ohms
• Tolerance: ±1%
• Power rating: 0.1W (1/10W)
• Temperature coefficient: -100 / +600 ppm/°C
• Operating temperature range: -55°C ~ 155°C

Mechanical Parameters (Must Match Exactly):

• Package / Case: 0603 (1608 Metric)
• Physical dimensions: 0.063" L x 0.031" W (1.60mm x 0.80mm)
• Height - Seated (Max): 0.022" (0.55mm)
• Number of terminations: 2

Compliance & Features (Must Match Exactly):

• Composition: Thick Film
• Features: Anti-Sulfur, Automotive AEC-Q200
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)
• Ratings: AEC-Q200

The primary distinction between the main part and substitute is the series designation (ERJ-S03 versus ERJ-U03), which reflects different manufacturing series within Panasonic's product line while maintaining identical performance characteristics and compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

Both the ERJ-S03F2R70V and ERJ-U03F2R70V are active production parts manufactured by Panasonic Electronic Components with full compliance to ROHS3 and AEC-Q200 automotive qualification standards. Selection between these parts is based on availability and supply chain requirements rather than technical performance differentiation.

ERJ-S03F2R70V (Primary Part): Recommended for new designs and applications where the ERJ-S03 series is specified. Current inventory of 1012 pieces supports standard procurement volumes.

ERJ-U03F2R70V (Substitute Part): Suitable for direct substitution in existing designs, production continuity, or when ERJ-S03 series availability is constrained. Higher inventory availability of 5840 pieces provides enhanced supply chain flexibility. The ERJ-U03 series maintains identical electrical performance, mechanical compatibility, and compliance certifications.

Both parts are suitable for automotive applications requiring AEC-Q200 qualification and operate across the full -55°C to 155°C temperature range with consistent performance characteristics. PCB layout and assembly processes require no modification when substituting between these part numbers.

Frequently Asked Questions (FAQ)

Q: Can ERJ-U03F2R70V be used as a direct replacement for ERJ-S03F2R70V in existing designs?

A: Yes. The ERJ-U03F2R70V is a direct electrical and mechanical equivalent. All critical parameters including resistance value, tolerance, power rating, package dimensions, temperature coefficient, and operating temperature range are identical. Both parts carry AEC-Q200 automotive qualification and ROHS3 compliance. No circuit redesign or PCB layout modification is required.

Q: Are there any differences in the 0603 package dimensions between these two part numbers?

A: No. Both parts use the identical 0603 (1608 Metric) package with dimensions of 0.063" L x 0.031" W (1.60mm x 0.80mm) and maximum seated height of 0.022" (0.55mm). PCB footprints and assembly specifications are interchangeable.

Q: Do both parts meet automotive qualification requirements?

A: Yes. Both ERJ-S03F2R70V and ERJ-U03F2R70V carry AEC-Q200 automotive qualification and are rated for operation across -55°C to 155°C. Both feature anti-sulfur coating for enhanced reliability in harsh environments.

Q: What is the difference between the ERJ-S03 and ERJ-U03 series designations?

A: The series designation reflects different manufacturing series within Panasonic's thick film resistor product line. Both series meet identical electrical specifications, mechanical tolerances, and compliance standards for the 2.7 Ohm ±1% 0.1W 0603 package configuration.

Q: Are both parts available in Tape & Reel packaging?

A: Yes. Both ERJ-S03F2R70V and ERJ-U03F2R70V are supplied in Tape & Reel (TR) packaging suitable for automated assembly processes.

Q: What is the Moisture Sensitivity Level for these parts?

A: Both parts have Moisture Sensitivity Level (MSL) of 1, which indicates unlimited shelf life and no special moisture control requirements during storage or handling.

Q: Can these parts be used interchangeably in high-temperature applications?

A: Yes. Both parts maintain the same temperature coefficient of -100 / +600 ppm/°C and operate across the full -55°C to 155°C range. Performance characteristics remain consistent across the entire operating temperature spectrum.