ERJ-S03J4R7V Equivalent & Substitute Parts

Part Overview

The ERJ-S03J4R7V is a 4.7 Ohm ±5% 0.1W thick film chip resistor manufactured by Panasonic Electronic Components in the 0603 (1608 Metric) package. This component is rated for automotive applications under AEC-Q200 and features anti-sulfur construction. The part is currently active in production with 768 pieces available in stock. Substitute parts are identified when equivalent electrical and mechanical specifications are required for design flexibility, supply chain optimization, or inventory management.

Substiute Parts

ERJ-S03J4R7V

Panasonic Electronic ComponentsIn Stock: 835ERJ-S03J4R7V Datasheet

Current PartRFQ

ERJ-U03J4R7V

Panasonic Electronic ComponentsIn Stock: 40843ERJ-U03J4R7V Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ERJ-S03J4R7V is determined by strict equivalence across the following critical parameters:

• Electrical Specifications: Resistance value (4.7 Ohms), tolerance (±5%), and power rating (0.1W) must be identical
• Package Compatibility: 0603 (1608 Metric) form factor ensures mechanical and thermal compatibility
• Composition and Construction: Thick film technology with anti-sulfur properties maintains performance characteristics
• Automotive Qualification: AEC-Q200 rating ensures reliability in automotive environments
• Environmental Compliance: ROHS3 compliance and REACH unaffected status must be maintained
• Temperature Performance: Operating range (-55°C ~ 155°C) and temperature coefficient (-100 / +600 ppm/°C) must match

The ERJ-U03J4R7V meets all these criteria and is classified as a direct substitute.

Parameter Comparison

Engineering Selection Recommendations

Both the ERJ-S03J4R7V and ERJ-U03J4R7V are active production components from Panasonic Electronic Components with identical electrical, mechanical, and environmental specifications. Selection between these parts is based on availability and supply chain requirements rather than technical performance differences.

The ERJ-U03J4R7V offers significantly higher inventory availability (40,778 pieces) compared to the ERJ-S03J4R7V (768 pieces), making it suitable for high-volume production requirements. Both parts maintain full compliance with ROHS3 and AEC-Q200 automotive qualification standards. The identical package dimensions, thermal characteristics, and composition ensure direct interchangeability in circuit designs without modification to PCB layouts or thermal management strategies.

Frequently Asked Questions (FAQ)

Q: Can ERJ-U03J4R7V be used as a direct replacement for ERJ-S03J4R7V in automotive applications?

A: Yes. Both parts are AEC-Q200 rated with identical electrical specifications (4.7 Ohms ±5%, 0.1W), package dimensions (0603), and operating temperature range (-55°C ~ 155°C). No circuit modifications are required.

Q: Are there differences in the 0603 package dimensions between these parts?

A: No. Both parts have identical dimensions: 0.063" L x 0.031" W (1.60mm x 0.80mm) with maximum seated height of 0.022" (0.55mm). PCB footprints are identical.

Q: Do both parts have the same moisture sensitivity rating?

A: Yes. Both parts are rated MSL 1 (Unlimited), indicating no moisture sensitivity concerns during storage or handling.

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

A: The series designation reflects internal Panasonic product line categorization. Both series share identical electrical and mechanical specifications for this 4.7 Ohm 0.1W 0603 resistor.

Q: Are both parts compliant with environmental regulations?

A: Yes. Both parts are ROHS3 compliant and REACH unaffected, meeting current environmental standards for electronic components.

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

A: Yes. Both parts operate across the full automotive temperature range (-55°C ~ 155°C) with identical temperature coefficients (-100 / +600 ppm/°C).