ERJ-S1DF71R5U Equivalent & Substitute Parts

Part Overview

The ERJ-S1DF71R5U is a 71.5 Ohm ±1% thick film chip resistor rated at 0.75W in a 2010 (5025 Metric) surface mount package. Manufactured by Panasonic Electronic Components, this part features anti-sulfur coating and automotive AEC-Q200 qualification, making it suitable for automotive and harsh environment applications. The part is currently in active production status with 1157 units in stock.

Substitute parts may be required due to supply chain constraints, design revisions, or manufacturing transitions. The ERJ-12SF71R5U, while functionally equivalent, carries a "Not For New Designs" status, necessitating alternatives for ongoing production. The CRCW201071R5FKEF from Vishay Dale provides an active-status equivalent from an alternative manufacturer.

Substiute Parts

ERJ-S1DF71R5U

Panasonic Electronic ComponentsIn Stock: 1173ERJ-S1DF71R5U Datasheet

Current PartRFQ

ERJ-12SF71R5U

Panasonic Electronic ComponentsIn Stock: 5517ERJ-12SF71R5U Datasheet

SimilarRFQ

CRCW201071R5FKEF

Vishay DaleIn Stock: 1839CRCW201071R5FKEF Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S1DF71R5U is determined by strict equivalence across the following parameters:

• Resistance value: 71.5 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
• Moisture sensitivity: MSL 1

All identified substitute parts meet these criteria without exception. Substitution is valid at the component level with no circuit redesign required.

Parameter Comparison

Engineering Selection Recommendations

For new designs and ongoing production, the CRCW201071R5FKEF from Vishay Dale is the preferred substitute. This part maintains active product status and full compliance with all electrical, mechanical, and environmental specifications. It provides supply diversification from an alternative qualified manufacturer while maintaining identical performance characteristics.

The ERJ-12SF71R5U remains functionally equivalent but carries "Not For New Designs" status. This part may be used for legacy system maintenance or where existing inventory is available, but should not be selected for new production programs.

All three parts are ROHS3 compliant, AEC-Q200 qualified, and suitable for automotive applications across the specified temperature range.

Frequently Asked Questions (FAQ)

Q: Can ERJ-12SF71R5U be used as a direct replacement for ERJ-S1DF71R5U?

A: Yes, the ERJ-12SF71R5U is electrically and mechanically equivalent. However, its "Not For New Designs" status makes it unsuitable for new production. It may be used for field service or legacy system support where supply is available.

Q: What is the primary difference between the main part and its substitutes?

A: The ERJ-S1DF71R5U includes anti-sulfur coating, while the ERJ-12SF71R5U does not. The CRCW201071R5FKEF does not specify anti-sulfur treatment. All three parts meet identical electrical and thermal specifications. The anti-sulfur feature may be relevant for specific corrosive environments; verify application requirements before substitution.

Q: Are all substitute parts suitable for automotive applications?

A: Yes. All three parts carry AEC-Q200 automotive qualification and operate across -55°C to 155°C. They are suitable for automotive and industrial applications requiring this certification level.

Q: Can these parts be used interchangeably on the same PCB assembly?

A: Yes. All parts use the 2010 (5025 Metric) package with identical footprint dimensions (5.00mm L × 2.50mm W × 0.70mm max height). No PCB layout modifications are required for substitution.

Q: What is the significance of MSL 1 rating?

A: MSL 1 (Unlimited) indicates these parts have no moisture sensitivity limitations. They may be stored indefinitely without desiccant packaging and do not require special handling or baking procedures prior to assembly.