Equivalent & Substitute Parts for ERJ-S02F3903X

Part Overview

The ERJ-S02F3903X is a 390 kOhms ±1% thick film chip resistor in 0402 (1005 Metric) package rated for 0.1W power dissipation. This component is manufactured by Panasonic Electronic Components and features anti-sulfur coating with AEC-Q200 automotive qualification. The part is currently active in production with 630 pieces available in stock. Substitute parts are identified when equivalent electrical and mechanical specifications are maintained across the same package and performance ratings, ensuring direct interchangeability in circuit applications.

Substiute Parts

ERJ-S02F3903X

Panasonic Electronic ComponentsIn Stock: 683ERJ-S02F3903X Datasheet

Current PartRFQ

ERJ-U02F3903X

Panasonic Electronic ComponentsIn Stock: 9350ERJ-U02F3903X Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S02F3903X is determined by strict equivalence across the following critical parameters:

• Resistance value: 390 kOhms
• Tolerance: ±1%
• Power rating: 0.1W
• Package: 0402 (1005 Metric)
• Composition: Thick Film
• Temperature coefficient: ±200ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Automotive qualification: AEC-Q200
• Anti-sulfur feature presence
• Moisture sensitivity level: 1

The ERJ-U02F3903X meets all substitution criteria as a direct equivalent part from the same manufacturer with identical electrical and mechanical specifications.

Parameter Comparison

Engineering Selection Recommendations

Both ERJ-S02F3903X and ERJ-U02F3903X are active production components from Panasonic Electronic Components with identical electrical and mechanical specifications. Selection between these parts is based on availability and supply chain requirements. Both parts maintain ROHS3 compliance, AEC-Q200 automotive qualification, and anti-sulfur coating. The ERJ-U02F3903X currently has higher inventory availability at 9241 pieces compared to 630 pieces for the ERJ-S02F3903X. Both parts are suitable for applications requiring 390 kOhms resistance with ±1% tolerance in automotive and industrial environments operating between -55°C and 155°C.

Frequently Asked Questions (FAQ)

Q: Can ERJ-U02F3903X be used as a direct replacement for ERJ-S02F3903X?

A: Yes. Both parts are electrically and mechanically identical with matching resistance, tolerance, power rating, package, temperature coefficient, and operating temperature range. Both carry AEC-Q200 automotive qualification and anti-sulfur coating.

Q: Are there any package or footprint differences between these parts?

A: No. Both parts use the 0402 (1005 Metric) package with identical dimensions of 0.039" L x 0.020" W (1.00mm x 0.50mm) and maximum seated height of 0.016" (0.40mm).

Q: Do both parts meet the same compliance standards?

A: Yes. Both ERJ-S02F3903X and ERJ-U02F3903X are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with identical HTSUS code 8533.21.0030.

Q: What is the difference between the ERJ-S02 and ERJ-U02 series designations?

A: The series designation indicates the product line within Panasonic's resistor portfolio. Both series share identical specifications for this 390 kOhms ±1% 0.1W 0402 configuration.

Q: Is moisture sensitivity a concern for these parts?

A: No. Both parts carry Moisture Sensitivity Level 1, indicating unlimited shelf life without special moisture control requirements.