ERJ-S03F1R30V Equivalent & Substitute Parts

Part Overview

The ERJ-S03F1R30V is a 1.3 Ohm ±1% thick film chip resistor manufactured by Panasonic Electronic Components in the 0603 (1608 Metric) package format. This component is rated for 0.1W (1/10W) power dissipation and features anti-sulfur construction with automotive AEC-Q200 qualification. The part is currently active in production with 860 pieces available in stock. Substitute parts are identified when equivalent electrical and mechanical specifications are required but alternative packaging, series designations, or inventory availability necessitate component selection from qualified alternatives.

Substiute Parts

ERJ-S03F1R30V

Panasonic Electronic ComponentsIn Stock: 892ERJ-S03F1R30V Datasheet

Current PartRFQ

ERJ-U03F1R30V

Panasonic Electronic ComponentsIn Stock: 2811ERJ-U03F1R30V Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ERJ-S03F1R30V is determined by strict equivalence across the following critical parameters:

Electrical Specifications: Resistance value (1.3 Ohms), tolerance (±1%), and power rating (0.1W) must be identical. Temperature coefficient (-100 / +600 ppm/°C) and operating temperature range (-55°C ~ 155°C) must match exactly.

Mechanical Specifications: Package format must be 0603 (1608 Metric) with identical physical dimensions (0.063" L x 0.031" W / 1.60mm x 0.80mm) and maximum seated height (0.022" / 0.55mm). Two terminations are required.

Composition & Features: Thick film construction with anti-sulfur treatment and automotive AEC-Q200 qualification are mandatory for substitution eligibility.

Compliance & Environmental: RoHS3 compliance, Moisture Sensitivity Level 1, and REACH Unaffected status must be maintained.

The ERJ-U03F1R30V qualifies as a direct substitute based on complete alignment with all specified parameters. The primary distinction is series designation (ERJ-U03 versus ERJ-S03) and packaging format (Tape & Reel versus standard packaging).

Parameter Comparison

Engineering Selection Recommendations

Both the ERJ-S03F1R30V and ERJ-U03F1R30V are active production components manufactured by Panasonic Electronic Components with full compliance to automotive and environmental standards. Selection between these parts is based on packaging and supply chain requirements rather than electrical or mechanical performance differences.

ERJ-S03F1R30V is appropriate for applications requiring standard packaging with current inventory of 860 pieces available.

ERJ-U03F1R30V is appropriate for high-volume production environments requiring Tape & Reel packaging format, with higher inventory availability of 2760 pieces.

Both components maintain identical electrical performance, thermal characteristics, and compliance certifications. PCB layout, assembly processes, and functional circuit behavior are equivalent between the two part numbers. Selection should be based on procurement specifications, assembly equipment compatibility, and supply chain logistics.

Frequently Asked Questions (FAQ)

Q: Can ERJ-U03F1R30V be used as a direct replacement for ERJ-S03F1R30V in circuit design?

A: Yes. Both parts are electrically and mechanically identical. The primary difference is packaging format (Tape & Reel versus standard packaging) and series designation. Circuit performance, electrical specifications, and thermal behavior are equivalent.

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

A: The series designation reflects the packaging configuration. ERJ-S03 uses standard packaging, while ERJ-U03 uses Tape & Reel format. Electrical and mechanical specifications are identical across both series for equivalent part numbers.

Q: Are both parts suitable for automotive applications?

A: Yes. Both ERJ-S03F1R30V and ERJ-U03F1R30V carry AEC-Q200 automotive qualification and anti-sulfur construction, meeting automotive reliability and environmental requirements.

Q: What is the significance of the 0603 package designation?

A: The 0603 package (1608 Metric) is a standard surface-mount resistor format with dimensions of 0.063" L x 0.031" W (1.60mm x 0.80mm). Both substitute parts use identical package geometry, ensuring compatibility with existing PCB designs and assembly processes.

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

A: Yes. Both parts operate across the identical temperature range of -55°C to 155°C with matching temperature coefficient specifications of -100 / +600 ppm/°C. Thermal performance is equivalent.

Q: What does RoHS3 compliance indicate?

A: RoHS3 compliance indicates that both parts meet the Restriction of Hazardous Substances Directive requirements, restricting the use of specific hazardous materials in electrical and electronic equipment. Both ERJ-S03F1R30V and ERJ-U03F1R30V are fully compliant.

Q: Is moisture sensitivity a concern for these components?

A: No. Both parts carry Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity limitations during storage, handling, or assembly processes.