ERJ-S03F7R50V Equivalent & Substitute Parts

Part Overview

The ERJ-S03F7R50V is a 7.5 Ohm ±1% 0.1W chip resistor manufactured by Panasonic Electronic Components in the 0603 (1608 Metric) package format. This thick film resistor features anti-sulfur coating and automotive AEC-Q200 qualification, making it suitable for automotive and industrial applications requiring high reliability. The part is currently in active production status with 765 pieces available in stock. Substitute parts are identified to address inventory availability, packaging format preferences, or supply chain requirements while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Resistance	7.5 Ohms
Tolerance	±1%
Power Rating	0.1W (1/10W)
Package / Case	0603 (1608 Metric)
Composition	Thick Film
Features	Anti-Sulfur, Automotive AEC-Q200
Temperature Coefficient	-100 / +600 ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Size / Dimension	0.063" L x 0.031" W (1.60mm x 0.80mm)
Height - Seated (Max)	0.022" (0.55mm)
Number of Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the ERJ-S03F7R50V is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part ERJ-U03F7R50V maintains identical specifications for resistance value, tolerance, power rating, package format, composition, automotive qualification, temperature coefficient, operating temperature range, physical dimensions, and compliance certifications. The primary distinction between these parts is the packaging format: the main part (ERJ-S03F7R50V) is supplied in standard packaging, while the substitute (ERJ-U03F7R50V) is supplied in Tape & Reel (TR) format. Both parts are manufactured by Panasonic Electronic Components and belong to the same product family with equivalent electrical performance and reliability characteristics.

Parameter Comparison

Parameter	ERJ-S03F7R50V	ERJ-U03F7R50V	Match Status
Manufacturer	Panasonic Electronic Components	Panasonic Electronic Components	Identical
Resistance	7.5 Ohms	7.5 Ohms	Identical
Tolerance	±1%	±1%	Identical
Power Rating	0.1W (1/10W)	0.1W (1/10W)	Identical
Package / Case	0603 (1608 Metric)	0603 (1608 Metric)	Identical
Composition	Thick Film	Thick Film	Identical
Features	Anti-Sulfur, Automotive AEC-Q200	Anti-Sulfur, Automotive AEC-Q200	Identical
Temperature Coefficient	-100 / +600 ppm/°C	-100 / +600 ppm/°C	Identical
Operating Temperature Range	-55°C ~ 155°C	-55°C ~ 155°C	Identical
Size / Dimension	0.063" L x 0.031" W (1.60mm x 0.80mm)	0.063" L x 0.031" W (1.60mm x 0.80mm)	Identical
Height - Seated (Max)	0.022" (0.55mm)	0.022" (0.55mm)	Identical
Number of Terminations	2	2	Identical
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Identical
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	Identical
Packaging Format	Standard	Tape & Reel (TR)	Different
Product Status	Active	Active	Identical

Engineering Selection Recommendations

Both the ERJ-S03F7R50V and ERJ-U03F7R50V are active production parts manufactured by Panasonic Electronic Components with full ROHS3 compliance and REACH unaffected status. Selection between these parts is based on packaging requirements and supply chain considerations rather than electrical performance differences.

The ERJ-S03F7R50V in standard packaging is appropriate for applications requiring conventional component handling and storage. The ERJ-U03F7R50V in Tape & Reel format is suitable for high-volume automated assembly operations where reel-based component feeding systems are employed. Both parts maintain identical electrical specifications, mechanical dimensions, automotive AEC-Q200 qualification, and environmental operating parameters across the full -55°C to 155°C temperature range.

Frequently Asked Questions (FAQ)

Question	Answer
Are ERJ-S03F7R50V and ERJ-U03F7R50V electrically equivalent?	Yes. Both parts have identical resistance (7.5 Ohms), tolerance (±1%), power rating (0.1W), temperature coefficient (-100/+600 ppm/°C), and operating temperature range (-55°C to 155°C).
Can ERJ-U03F7R50V be used as a direct replacement for ERJ-S03F7R50V?	Yes, from an electrical and mechanical standpoint. The primary difference is packaging format: ERJ-S03F7R50V uses standard packaging while ERJ-U03F7R50V uses Tape & Reel format. Both fit the same 0603 (1608 Metric) footprint with identical dimensions and termination specifications.
What is the difference between standard packaging and Tape & Reel format?	Standard packaging is used for manual or small-scale assembly operations. Tape & Reel format is designed for automated high-volume assembly lines where components are fed from continuous reels. The electrical and mechanical properties of the components are identical.
Do both parts meet automotive qualification requirements?	Yes. Both ERJ-S03F7R50V and ERJ-U03F7R50V carry AEC-Q200 automotive qualification and feature anti-sulfur coating, making them suitable for automotive and industrial applications.
Are there any compliance or environmental differences between these parts?	No. Both parts are ROHS3 compliant, REACH unaffected, have MSL rating of 1 (Unlimited), and carry identical ECCN and HTSUS classifications.
Which part should be selected for high-volume production?	ERJ-U03F7R50V in Tape & Reel format is optimized for high-volume automated assembly. ERJ-S03F7R50V in standard packaging is suitable for lower-volume or manual assembly operations.