ERJ-S1DF10R5U Equivalent & Substitute Parts

Part Overview

The ERJ-S1DF10R5U is a 10.5 Ohm ±1% thick film chip resistor rated for 0.75W power dissipation in a 2010 (5025 Metric) surface mount package. This component is manufactured by Panasonic Electronic Components and is designed for automotive applications with AEC-Q200 qualification and anti-sulfur protection. The part is currently in active production status with 932 units in stock.

Substitute parts become necessary when the primary part reaches end-of-life status, experiences supply constraints, or when design requirements allow for functionally equivalent alternatives that meet the same electrical and mechanical specifications.

Substiute Parts

ERJ-S1DF10R5U

Panasonic Electronic ComponentsIn Stock: 955ERJ-S1DF10R5U Datasheet

Current PartRFQ

ERJ-12SF10R5U

Panasonic Electronic ComponentsIn Stock: 6390ERJ-12SF10R5U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S1DF10R5U is determined by strict equivalence across the following parameters:

• Resistance value: 10.5 Ohms
• Tolerance: ±1%
• Power rating: 0.75W
• Package: 2010 (5025 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Automotive qualification: AEC-Q200
• RoHS compliance: ROHS3 Compliant

The ERJ-12SF10R5U meets all electrical and mechanical parameters required for direct substitution. This part is manufactured by the same supplier (Panasonic Electronic Components) and maintains identical specifications across all critical performance criteria.

Parameter Comparison

Engineering Selection Recommendations

The ERJ-S1DF10R5U is the preferred selection for new designs due to its active production status. The ERJ-12SF10R5U provides complete electrical and mechanical equivalence and is suitable for replacement applications where the primary part is unavailable. However, the ERJ-12SF10R5U carries a "Not For New Designs" status, indicating that Panasonic has designated this part for legacy support only.

For new product development, the ERJ-S1DF10R5U should be specified. For existing designs requiring component replacement or supply continuity, the ERJ-12SF10R5U is electrically and mechanically interchangeable. Both parts maintain identical AEC-Q200 automotive qualification and ROHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can ERJ-12SF10R5U be used as a direct replacement for ERJ-S1DF10R5U?

A: Yes. Both parts are identical in resistance value (10.5 Ohms), tolerance (±1%), power rating (0.75W), package (2010), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and automotive qualification (AEC-Q200). Electrical and mechanical compatibility is complete.

Q: What is the difference between these two part numbers?

A: The primary difference is product status. ERJ-S1DF10R5U is in active production, while ERJ-12SF10R5U is designated "Not For New Designs." Both parts are manufactured by Panasonic Electronic Components and share identical electrical and mechanical specifications.

Q: Are there any package or footprint differences?

A: No. Both parts use the 2010 (5025 Metric) package with identical dimensions: 0.197" L x 0.098" W (5.00mm x 2.50mm) and maximum seated height of 0.028" (0.70mm). PCB footprints are identical.

Q: Can these parts be used in automotive applications?

A: Yes. Both parts carry AEC-Q200 automotive qualification and are rated for the automotive temperature range of -55°C ~ 155°C. Both are ROHS3 compliant and suitable for automotive circuit designs.

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.