ERJ-S1DF1400U Equivalent & Substitute Parts

Part Overview

The ERJ-S1DF1400U is a 140 Ohms ±1% 0.75W chip resistor in 2010 (5025 Metric) package manufactured by Panasonic Electronic Components. This thick film resistor features anti-sulfur coating and automotive AEC-Q200 qualification, designed for high-reliability applications in automotive and industrial environments. The part is currently in active production status with 953 pieces available in stock.

Substitute parts are necessary when the primary part becomes unavailable, when design requirements shift to alternative manufacturers, or when inventory constraints require sourcing from multiple suppliers while maintaining identical electrical and mechanical performance.

Substiute Parts

ERJ-S1DF1400U

Panasonic Electronic ComponentsIn Stock: 1057ERJ-S1DF1400U Datasheet

Current PartRFQ

ERJ-12SF1400U

Panasonic Electronic ComponentsIn Stock: 10058ERJ-12SF1400U Datasheet

SimilarRFQ

CRCW2010140RFKEF

Vishay DaleIn Stock: 37135CRCW2010140RFKEF Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S1DF1400U is determined by strict equivalence across the following parameters:

• Resistance value: 140 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
• Moisture sensitivity: MSL 1

All substitute parts listed meet these criteria without exception. Substitution is valid across manufacturers when all electrical and mechanical parameters are identical.

Parameter Comparison

Engineering Selection Recommendations

ERJ-S1DF1400U (Primary Selection)

This part maintains active production status and includes anti-sulfur coating, providing enhanced protection in corrosive environments. Recommended for new designs and applications requiring long-term supply continuity.

CRCW2010140RFKEF (Preferred Substitute)

Manufactured by Vishay Dale with active product status. Highest inventory availability (37,100 pieces) ensures supply reliability. Identical electrical and mechanical specifications with full AEC-Q200 automotive qualification. Suitable for both new designs and production continuity.

ERJ-12SF1400U (Legacy Substitute)

Panasonic part marked as "Not For New Designs." Acceptable only for replacement or repair of existing assemblies where the original part is no longer available. Not recommended for new product development.

Frequently Asked Questions (FAQ)

Q: Can ERJ-12SF1400U be used in new designs?

A: No. This part carries "Not For New Designs" status. Use ERJ-S1DF1400U or CRCW2010140RFKEF for new applications.

Q: Are all three parts mechanically interchangeable?

A: Yes. All parts share identical 2010 (5025 Metric) package dimensions: 0.197" L × 0.098" W (5.00mm × 2.50mm) with maximum seated height of 0.028" (0.70mm). PCB footprints are identical.

Q: What is the significance of anti-sulfur coating on ERJ-S1DF1400U?

A: Anti-sulfur coating provides additional protection against sulfur-containing contaminants in harsh environments. This feature is present on ERJ-S1DF1400U but not specified for the other substitutes.

Q: Are all parts suitable for automotive applications?

A: Yes. All three parts carry AEC-Q200 automotive qualification and operate across -55°C to 155°C, meeting automotive reliability standards.

Q: Can these parts be used interchangeably in existing assemblies?

A: Yes, provided the assembly design does not specifically require the anti-sulfur feature of ERJ-S1DF1400U. Electrical performance and thermal characteristics are identical across all three parts.

Q: What is the difference in product status between these parts?

A: ERJ-S1DF1400U and CRCW2010140RFKEF are active products suitable for new designs. ERJ-12SF1400U is restricted to legacy applications and should not be selected for new product development.