ERJ-S03F3R30V Equivalent & Substitute Parts

Part Overview

The ERJ-S03F3R30V is a 3.3 Ohm ±1% 0.1W chip resistor manufactured by Panasonic Electronic Components in the 0603 (1608 Metric) package. This thick film resistor features anti-sulfur properties and meets automotive AEC-Q200 qualification standards. The part is classified as Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and automotive certifications align with the original component requirements.

Substiute Parts

ERJ-S03F3R30V

Panasonic Electronic ComponentsIn Stock: 724ERJ-S03F3R30V Datasheet

Current PartRFQ

ERJ-U03F3R30V

Panasonic Electronic ComponentsIn Stock: 3701ERJ-U03F3R30V Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S03F3R30V is determined by strict equivalence across the following critical parameters:

Electrical Specifications:

• Resistance value: 3.3 Ohms
• Tolerance: ±1%
• Power rating: 0.1W (1/10W)
• Temperature coefficient: -100 / +600 ppm/°C
• Operating temperature range: -55°C ~ 155°C

Mechanical Specifications:

• Package type: 0603 (1608 Metric)
• Physical dimensions: 0.063" L x 0.031" W (1.60mm x 0.80mm)
• Maximum seated height: 0.022" (0.55mm)
• Number of terminations: 2

Compliance & Certification:

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

Substitute parts must match all parameters listed above to ensure functional and mechanical interchangeability in the original application circuit.

Parameter Comparison

Engineering Selection Recommendations

The ERJ-U03F3R30V is a direct equivalent substitute for the ERJ-S03F3R30V. Both parts are manufactured by Panasonic Electronic Components and share identical electrical, mechanical, and compliance specifications. The primary difference between the two parts is the series designation: ERJ-S03 versus ERJ-U03. Both parts maintain Active product status and full compliance with ROHS3 and AEC-Q200 automotive qualification standards.

Selection between these parts is based on availability and supply chain requirements. The ERJ-U03F3R30V currently maintains higher inventory levels (3620 Pcs) compared to the ERJ-S03F3R30V (644 Pcs), making it suitable for applications where supply continuity is a consideration. Both parts are suitable for automotive and industrial applications requiring thick film resistors with anti-sulfur properties and extended operating temperature ranges.

Frequently Asked Questions (FAQ)

Q: Can the ERJ-U03F3R30V be used as a direct replacement for the ERJ-S03F3R30V?

A: Yes. The ERJ-U03F3R30V is a direct equivalent substitute. All electrical specifications (3.3 Ohms ±1%, 0.1W power rating, temperature coefficient, operating temperature range), mechanical dimensions (0603 package, 1.60mm x 0.80mm), and compliance certifications (AEC-Q200, ROHS3, MSL 1) are identical between the two parts.

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

A: The ERJ-S03 and ERJ-U03 are distinct series designations within Panasonic's thick film resistor product line. Both series share identical electrical and mechanical specifications for the 3.3 Ohm ±1% 0.1W 0603 package configuration. The series designation does not affect functional performance or compatibility.

Q: Are both parts suitable for automotive applications?

A: Yes. Both the ERJ-S03F3R30V and ERJ-U03F3R30V meet AEC-Q200 automotive qualification standards and feature anti-sulfur properties, making them suitable for automotive circuit applications requiring reliability in harsh environments.

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

A: The 0603 package (1608 Metric) is a surface-mount chip resistor package with dimensions of 0.063" L x 0.031" W (1.60mm x 0.80mm). Both substitute parts use this identical package, ensuring mechanical interchangeability on printed circuit boards without layout modifications.

Q: Does the moisture sensitivity level affect component handling?

A: Both parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions. These components do not require special moisture control during storage, handling, or assembly processes.

Q: Are there any compliance or regulatory differences between the two parts?

A: No. Both parts are ROHS3 compliant, REACH unaffected, and carry identical ECCN (EAR99) and HTSUS (8533.21.0030) classifications. There are no regulatory or compliance differences between the ERJ-S03F3R30V and ERJ-U03F3R30V.