ERJ-S1DF73R2U Equivalent & Substitute Parts

Part Overview

The ERJ-S1DF73R2U is a 73.2 Ohm ±1% thick film chip resistor manufactured by Panasonic Electronic Components in the 2010 (5025 Metric) package format. This component is rated for 0.75W power dissipation and is qualified to AEC-Q200 automotive standards with anti-sulfur properties. The part is active in production status with 632 pieces currently in stock. Equivalent and substitute parts are identified when identical electrical specifications, mechanical dimensions, and compliance ratings are maintained across alternative manufacturers.

Key Parameters

Parameter	Value
Resistance	73.2 Ohms
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
Size / Dimension	0.197" L x 0.098" W (5.00mm x 2.50mm)
Height - Seated (Max)	0.028" (0.70mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the ERJ-S1DF73R2U are qualified based on the following criteria:

Resistance value: 73.2 Ohms
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
Physical dimensions: 0.197" L x 0.098" W (5.00mm x 2.50mm)
RoHS3 compliance
MSL rating: 1 (Unlimited)

All identified substitute parts maintain these electrical and mechanical specifications. Variations in specific features such as automotive qualification (AEC-Q200) or anti-sulfur properties are noted in the comparison table below.

Parameter Comparison

Parameter	ERJ-S1DF73R2U (Panasonic)	CRCW201073R2FKEF (Vishay Dale)	RC2010FK-0773R2L (YAGEO)	RMCF2010FT73R2 (Stackpole)
Manufacturer	Panasonic Electronic Components	Vishay Dale	YAGEO	Stackpole Electronics Inc
Resistance	73.2 Ohms	73.2 Ohms	73.2 Ohms	73.2 Ohms
Tolerance	±1%	±1%	±1%	±1%
Power Rating	0.75W	0.75W	0.75W	0.75W
Package / Case	2010 (5025 Metric)	2010 (5025 Metric)	2010 (5025 Metric)	2010 (5025 Metric)
Composition	Thick Film	Thick Film	Thick Film	Thick Film
Temperature Coefficient	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C
Operating Temperature	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C
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)	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)	0.026" (0.65mm)	0.028" (0.70mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Automotive Qualification	AEC-Q200	AEC-Q200	Not specified	AEC-Q200
Special Features	Anti-Sulfur	Standard	Moisture Resistant	Standard
Product Status	Active	Active	Active	Active
Inventory (Pcs)	632	5200	11161	1765

Engineering Selection Recommendations

All four parts listed maintain active production status and ROHS3 compliance. Selection between the ERJ-S1DF73R2U and its substitutes depends on application-specific requirements:

For automotive applications requiring AEC-Q200 qualification, the CRCW201073R2FKEF (Vishay Dale) and RMCF2010FT73R2 (Stackpole Electronics Inc) are direct equivalents to the ERJ-S1DF73R2U. The Panasonic part includes anti-sulfur properties; the Vishay and Stackpole parts do not specify this feature.

The RC2010FK-0773R2L (YAGEO) is electrically and mechanically equivalent but does not carry AEC-Q200 automotive qualification. This part features moisture-resistant properties and has a maximum seated height of 0.026" (0.65mm), which is 0.002" lower than the other options.

All parts are MSL 1 rated, indicating unlimited shelf life under standard storage conditions. All maintain identical electrical performance across the specified operating temperature range of -55°C to 155°C.

Frequently Asked Questions (FAQ)

Q: Can the RC2010FK-0773R2L be used in place of the ERJ-S1DF73R2U in automotive applications?

A: The RC2010FK-0773R2L is electrically and mechanically compatible but does not carry AEC-Q200 automotive qualification. Use in automotive applications depends on whether AEC-Q200 certification is a design requirement.

Q: What is the difference between the anti-sulfur feature on the ERJ-S1DF73R2U and the moisture-resistant feature on the RC2010FK-0773R2L?

A: Anti-sulfur and moisture-resistant are distinct material properties. The ERJ-S1DF73R2U includes anti-sulfur treatment; the RC2010FK-0773R2L includes moisture-resistant treatment. These are separate features not directly comparable.

Q: Are all substitute parts pin-compatible with the ERJ-S1DF73R2U?

A: Yes. All substitute parts use the 2010 (5025 Metric) package with identical lead spacing and footprint. The RC2010FK-0773R2L has a maximum seated height of 0.026" (0.65mm) versus 0.028" (0.70mm) for the other parts; this difference is within typical PCB assembly tolerances.

Q: Which substitute part has the highest inventory availability?

A: The RC2010FK-0773R2L (YAGEO) has 11,161 pieces in stock, followed by the CRCW201073R2FKEF (Vishay Dale) with 5,200 pieces.

Q: Do all parts meet ROHS3 compliance?

A: Yes. All four parts are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity ratings.

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