ERJ-S03F1R80V Equivalent & Substitute Parts

Part Overview

The ERJ-S03F1R80V is a 1.8 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, making it suitable for automotive and harsh environment applications. The part is currently active in production with 995 pieces available in stock. Substitute parts are identified to provide alternative sourcing options when the primary part number is unavailable or when inventory requirements necessitate alternative manufacturer series.

Substiute Parts

ERJ-S03F1R80V

Panasonic Electronic ComponentsIn Stock: 1021ERJ-S03F1R80V Datasheet

Current PartRFQ

ERJ-U03F1R80V

Panasonic Electronic ComponentsIn Stock: 3393ERJ-U03F1R80V Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ERJ-S03F1R80V is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part ERJ-U03F1R80V maintains identical specifications in the following key areas:

• Electrical Specifications: Resistance value (1.8 Ohms), tolerance (±1%), and power rating (0.1W) are identical
• Package Compatibility: Both parts use 0603 (1608 Metric) package with identical physical dimensions and termination count
• Environmental & Compliance Ratings: Both parts carry AEC-Q200 automotive qualification, anti-sulfur coating, identical operating temperature range (-55°C ~ 155°C), and temperature coefficient (-100 / +600 ppm/°C)
• Regulatory Compliance: Both parts are ROHS3 compliant, REACH unaffected, and share identical MSL rating (1 - Unlimited)
• Composition & Construction: Both are thick film resistors with identical material composition

The primary difference between the main part and substitute is the manufacturer series designation (ERJ-S03 versus ERJ-U03), which represents different product lines within Panasonic's automotive resistor portfolio. Both series meet identical performance and qualification standards.

Parameter Comparison

Engineering Selection Recommendations

Both the ERJ-S03F1R80V and ERJ-U03F1R80V are active production parts from Panasonic Electronic Components with full automotive AEC-Q200 qualification. Selection between these parts is based on availability and supply chain requirements rather than technical performance differences.

The ERJ-S03F1R80V (primary part) is suitable for applications requiring the ERJ-S03 series designation. The ERJ-U03F1R80V (substitute part) provides equivalent functionality and meets all identical compliance requirements, including ROHS3 and REACH standards. Both parts are rated for automotive applications with anti-sulfur protection and unlimited moisture sensitivity level (MSL 1).

For applications where either part number is acceptable, the ERJ-U03F1R80V offers higher current inventory availability (3337 pieces versus 995 pieces), which may provide supply chain advantages for high-volume production requirements.

Frequently Asked Questions (FAQ)

Q: Can ERJ-U03F1R80V be used as a direct replacement for ERJ-S03F1R80V?

A: Yes. Both parts are electrically and mechanically identical with matching resistance (1.8 Ohms ±1%), power rating (0.1W), package (0603), and all performance specifications. The difference is the manufacturer series designation only.

Q: Are the physical dimensions identical between these parts?

A: Yes. Both parts have identical dimensions of 0.063" L x 0.031" W (1.60mm x 0.80mm) with maximum seated height of 0.022" (0.55mm). They are fully compatible for PCB layout and assembly processes.

Q: Do both parts meet automotive qualification standards?

A: Yes. Both ERJ-S03F1R80V and ERJ-U03F1R80V carry AEC-Q200 automotive qualification with anti-sulfur coating and identical operating temperature range of -55°C ~ 155°C.

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

A: Both series are Panasonic automotive thick film resistor lines with identical electrical and mechanical specifications for this 1.8 Ohm 0.1W 0603 package configuration. The series designation reflects different product lines within Panasonic's portfolio.

Q: Are there any compliance or regulatory differences?

A: No. Both parts are ROHS3 compliant, REACH unaffected, and carry identical MSL rating (1 - Unlimited). They meet all identical regulatory requirements.

Q: Which part should be selected for new designs?

A: Either part is suitable for new designs. Selection can be based on availability, supply chain preference, or existing design documentation. Both parts are active production items with full automotive qualification.

Q: Is there a performance difference in temperature coefficient or operating range?

A: No. Both parts have identical temperature coefficient of -100 / +600 ppm/°C and operating temperature range of -55°C ~ 155°C.