ERJ-S1DF5493U Equivalent & Substitute Parts

Part Overview

The ERJ-S1DF5493U is a 549 kOhms ±1% thick film chip resistor rated at 0.75W (3/4W) 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. The part is currently active in production with 848 units in stock. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and automotive certifications align with the original component, enabling design flexibility and supply chain continuity.

Substiute Parts

ERJ-S1DF5493U

Panasonic Electronic ComponentsIn Stock: 890ERJ-S1DF5493U Datasheet

Current PartRFQ

RMCF2010FT549K

Stackpole Electronics IncIn Stock: 1404RMCF2010FT549K Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ERJ-S1DF5493U are qualified based on the following criteria:

• Identical resistance value: 549 kOhms
• Matching tolerance: ±1%
• Equivalent power rating: 0.75W (3/4W)
• Same package designation: 2010 (5025 Metric)
• Identical physical dimensions: 0.197" L x 0.098" W (5.00mm x 2.50mm)
• Matching temperature coefficient: ±100ppm/°C
• Identical operating temperature range: -55°C ~ 155°C
• Equivalent automotive qualification: AEC-Q200
• Matching RoHS compliance: ROHS3 Compliant
• Equivalent moisture sensitivity: MSL 1 (Unlimited)

The RMCF2010FT549K from Stackpole Electronics Inc meets all these criteria and qualifies as a direct substitute.

Parameter Comparison

Engineering Selection Recommendations

Both the ERJ-S1DF5493U and RMCF2010FT549K are active production components with AEC-Q200 automotive qualification and ROHS3 compliance. Selection between these parts may be based on packaging format (Tape & Reel for Panasonic versus Cut Tape for Stackpole), inventory availability, or supply chain requirements. The Stackpole component currently has higher inventory (1336 units) compared to the Panasonic part (848 units). Both components meet identical electrical and mechanical specifications for direct substitution in automotive and industrial applications.

Frequently Asked Questions (FAQ)

Q: Can RMCF2010FT549K replace ERJ-S1DF5493U in my design? A: Yes. Both components share identical electrical specifications (549 kOhms ±1%, 0.75W), mechanical dimensions (2010 package), temperature characteristics (±100ppm/°C, -55°C ~ 155°C), and automotive certifications (AEC-Q200). They are electrically and mechanically interchangeable.

Q: What is the difference between Tape & Reel and Cut Tape packaging? A: Tape & Reel packaging is supplied on continuous tape for automated assembly equipment. Cut Tape packaging is supplied in individual tape segments. Both formats contain identical components; the difference is in handling and assembly process compatibility.

Q: Are both parts RoHS compliant? A: Yes. Both ERJ-S1DF5493U and RMCF2010FT549K are ROHS3 compliant and meet environmental regulatory requirements.

Q: Do these parts have identical temperature performance? A: Yes. Both components have a temperature coefficient of ±100ppm/°C and an operating temperature range of -55°C ~ 155°C, ensuring identical thermal performance characteristics.

Q: What does AEC-Q200 qualification mean? A: AEC-Q200 is an automotive electronics council standard for passive components. Both parts meet this qualification, confirming suitability for automotive applications requiring reliability and quality assurance.