ERJ-S03J395V Equivalent & Substitute Parts

Part Overview

The ERJ-S03J395V is a 3.9 MOhms ±5% thick film chip resistor manufactured by Panasonic Electronic Components. This 0603 (1608 Metric) package component is rated for 0.1W (1/10W) power dissipation and features anti-sulfur coating with AEC-Q200 automotive qualification. The part is currently active in production with 804 units in stock. Substitute parts are identified to provide alternative sourcing options when the primary part number becomes unavailable or when inventory constraints require alternative procurement channels.

Substiute Parts

ERJ-S03J395V

Panasonic Electronic ComponentsIn Stock: 881ERJ-S03J395V Datasheet

Current PartRFQ

ERJ-U03J395V

Panasonic Electronic ComponentsIn Stock: 5942ERJ-U03J395V Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ERJ-S03J395V is based on electrical and mechanical parameter equivalence. The substitute part ERJ-U03J395V maintains identical specifications across all critical parameters that determine functional compatibility:

• Resistance value and tolerance (3.9 MOhms ±5%)
• Power rating (0.1W / 1/10W)
• Physical package (0603 / 1608 Metric)
• Composition (Thick Film)
• Environmental features (Anti-Sulfur, AEC-Q200)
• Temperature coefficient (-400 / +150 ppm/°C)
• Operating temperature range (-55°C ~ 155°C)
• Moisture sensitivity level (MSL 1)
• Regulatory compliance (ROHS3, REACH Unaffected)

The substitute part differs only in the base series designation (ERJ-U03 versus ERJ-S03), which reflects manufacturing series variation within Panasonic's product line while maintaining full electrical and mechanical equivalence.

Parameter Comparison

Engineering Selection Recommendations

Both the ERJ-S03J395V and ERJ-U03J395V are active production components manufactured by Panasonic Electronic Components with full compliance to ROHS3 and REACH regulations. Both parts carry AEC-Q200 automotive qualification, confirming suitability for automotive and high-reliability applications. The ERJ-U03J395V offers higher inventory availability (5922 units versus 804 units), making it a viable alternative when primary part sourcing is constrained. Selection between these parts is determined by procurement availability and supply chain requirements, as all electrical, mechanical, and compliance parameters are equivalent.

Frequently Asked Questions (FAQ)

Q: Can ERJ-U03J395V be used as a direct replacement for ERJ-S03J395V?

A: Yes. Both parts are electrically and mechanically equivalent. They share identical resistance values, tolerances, power ratings, package dimensions, and operating specifications. The difference in series designation (ERJ-U03 versus ERJ-S03) reflects manufacturing series variation within Panasonic's product portfolio and does not affect functional compatibility.

Q: Are the physical dimensions identical between these parts?

A: Yes. Both parts use the 0603 (1608 Metric) package with identical dimensions: 0.063" L x 0.031" W (1.60mm x 0.80mm) and maximum seated height of 0.022" (0.55mm). They are mechanically interchangeable on printed circuit boards.

Q: Do both parts meet automotive qualification requirements?

A: Yes. Both ERJ-S03J395V and ERJ-U03J395V carry AEC-Q200 automotive qualification and are suitable for automotive applications requiring high-reliability components.

Q: What is the moisture sensitivity level for these parts?

A: Both parts have Moisture Sensitivity Level (MSL) 1, which indicates unlimited shelf life without moisture control requirements.

Q: Are these parts RoHS compliant?

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

Q: Can these parts be used interchangeably in tape and reel packaging?

A: Yes. Both parts are supplied in Tape & Reel (TR) packaging format, maintaining compatibility with automated assembly processes.