ERJ-S1DF9530U Equivalent & Substitute Parts

Part Overview

The ERJ-S1DF9530U is a 953 Ohm ±1% thick film chip resistor rated at 0.75W in a 2010 (5025 Metric) package. Manufactured by Panasonic Electronic Components, this component features anti-sulfur coating and automotive AEC-Q200 qualification, making it suitable for demanding automotive and industrial applications operating across -55°C to 155°C.

The main part is currently in active production status. Identifying equivalent and substitute parts becomes necessary when managing supply chain continuity, addressing inventory constraints, or transitioning between product generations within the same electrical and mechanical specifications.

Substiute Parts

ERJ-S1DF9530U

Panasonic Electronic ComponentsIn Stock: 778ERJ-S1DF9530U Datasheet

Current PartRFQ

ERJ-12SF9530U

Panasonic Electronic ComponentsIn Stock: 990ERJ-12SF9530U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S1DF9530U is determined by strict equivalence across the following critical parameters:

• Resistance value: 953 Ohms
• Tolerance: ±1%
• Power rating: 0.75W
• Package: 2010 (5025 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C
• Automotive qualification: AEC-Q200
• RoHS compliance: ROHS3 Compliant

The ERJ-12SF9530U meets all electrical and mechanical substitution criteria. This part maintains identical resistance, tolerance, power rating, package dimensions, and thermal specifications. Both components are thick film resistors with AEC-Q200 automotive qualification and ROHS3 compliance. The primary distinction is product lifecycle status: ERJ-S1DF9530U is active production, while ERJ-12SF9530U is designated "Not For New Designs."

Parameter Comparison

Engineering Selection Recommendations

For new designs and active production programs, the ERJ-S1DF9530U is the specified selection due to its active product status and anti-sulfur feature set.

The ERJ-12SF9530U is electrically and mechanically equivalent and maintains full AEC-Q200 automotive qualification and ROHS3 compliance. However, its "Not For New Designs" status indicates Panasonic's transition away from this series. This substitute is appropriate for legacy system support, field replacements, or inventory management of existing designs where the ERJ-S1DF9530U may not be immediately available.

Both parts satisfy identical electrical performance requirements, thermal specifications, and regulatory compliance mandates. Selection between them should be based on design lifecycle phase and supply chain availability rather than technical performance differences.

Frequently Asked Questions (FAQ)

Q: Can ERJ-12SF9530U be used as a direct replacement for ERJ-S1DF9530U in new designs?

A: Electrically and mechanically, yes. Both parts are identical in resistance, tolerance, power rating, package dimensions, and thermal performance. However, ERJ-12SF9530U carries "Not For New Designs" status. New designs should specify ERJ-S1DF9530U to ensure long-term supply continuity and manufacturer support.

Q: Are there any differences in automotive qualification between these parts?

A: No. Both ERJ-S1DF9530U and ERJ-12SF9530U carry AEC-Q200 automotive qualification and are suitable for automotive applications across the specified temperature range.

Q: Do both parts meet RoHS requirements?

A: Yes. Both are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity constraints during storage or handling.

Q: What is the significance of the anti-sulfur feature on ERJ-S1DF9530U?

A: The anti-sulfur coating on ERJ-S1DF9530U provides enhanced corrosion resistance in environments with sulfur-containing contaminants. ERJ-12SF9530U does not specify this feature. For applications in high-sulfur environments, ERJ-S1DF9530U is the preferred selection.

Q: Are the physical dimensions identical?

A: Yes. Both parts are packaged in 2010 (5025 Metric) with identical length (0.197" / 5.00mm), width (0.098" / 2.50mm), and maximum seated height (0.028" / 0.70mm). They are footprint-compatible on PCB layouts.

Q: What should guide the selection between these two parts?

A: For active production and new designs, select ERJ-S1DF9530U. For legacy system support or temporary supply constraints, ERJ-12SF9530U is electrically and mechanically qualified. Verify supply availability and design lifecycle requirements before final selection.