ERJ-S1DF1741U Equivalent & Substitute Parts

Part Overview

The ERJ-S1DF1741U is a 1.74 kOhms ±1% 0.75W chip resistor manufactured by Panasonic Electronic Components in the 2010 (5025 Metric) package format. This thick film resistor features anti-sulfur coating and automotive AEC-Q200 qualification, making it suitable for automotive and harsh environment applications. The part is currently active in production with 918 pieces in stock. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance ratings are matched across manufacturers.

Key Parameters

Parameter	Value
Resistance	1.74 kOhms
Tolerance	±1%
Power Rating	0.75W (3/4W)
Package / Case	2010 (5025 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S1DF1741U is determined by strict equivalence across the following parameters:

Resistance value: 1.74 kOhms
Tolerance: ±1%
Power rating: 0.75W
Package format: 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

The RMCF2010FT1K74 from Stackpole Electronics Inc meets all specified parameters and qualifies as a direct substitute.

Parameter Comparison

Parameter	ERJ-S1DF1741U (Panasonic)	RMCF2010FT1K74 (Stackpole)
Resistance	1.74 kOhms	1.74 kOhms
Tolerance	±1%	±1%
Power Rating	0.75W	0.75W
Package / Case	2010 (5025 Metric)	2010 (5025 Metric)
Composition	Thick Film	Thick Film
Temperature Coefficient	±100ppm/°C	±100ppm/°C
Operating Temperature	-55°C ~ 155°C	-55°C ~ 155°C
Automotive Rating	AEC-Q200	AEC-Q200
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)
Size / Dimension	0.197" L x 0.098" W (5.00mm x 2.50mm)	0.197" L x 0.098" W (5.00mm x 2.50mm)
Height - Seated (Max)	0.028" (0.70mm)	0.028" (0.70mm)
Number of Terminations	2	2

Engineering Selection Recommendations

Both the ERJ-S1DF1741U and RMCF2010FT1K74 are active production parts with identical electrical and mechanical specifications. Selection between these parts may be based on availability, supply chain considerations, or procurement preferences. Both parts carry AEC-Q200 automotive qualification and ROHS3 compliance, confirming suitability for automotive and regulated applications. The ERJ-S1DF1741U includes anti-sulfur coating as an additional feature; this distinction does not affect substitution eligibility but may be relevant for specific environmental requirements.

Frequently Asked Questions (FAQ)

Q: Can RMCF2010FT1K74 be used as a direct replacement for ERJ-S1DF1741U?

A: Yes. Both parts share identical resistance, tolerance, power rating, package dimensions, temperature coefficient, operating temperature range, and AEC-Q200 automotive qualification. They are electrically and mechanically interchangeable.

Q: Are there differences in the anti-sulfur feature between these parts?

A: The ERJ-S1DF1741U specifies anti-sulfur coating; the RMCF2010FT1K74 specification does not list this feature. This distinction does not prevent substitution but may be relevant if anti-sulfur protection is a design requirement.

Q: Do both parts meet automotive standards?

A: Yes. Both the ERJ-S1DF1741U and RMCF2010FT1K74 carry AEC-Q200 qualification and are suitable for automotive applications.

Q: Are the physical dimensions identical?

A: Yes. Both parts use the 2010 (5025 Metric) package with identical length, width, and maximum seated height specifications.

Q: What is the moisture sensitivity level for these parts?

A: Both parts have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: Are both parts RoHS compliant?

A: Yes. Both parts are ROHS3 compliant.

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