ERJ-S03F48R7V Equivalent & Substitute Parts

Part Overview

The ERJ-S03F48R7V is a 48.7 Ohm ±1% thick film chip resistor manufactured by Panasonic Electronic Components in 0603 (1608 Metric) package format. Rated for 0.1W (1/10W) power dissipation with anti-sulfur coating and AEC-Q200 automotive qualification, this component operates across -55°C to 155°C. The part is active in production with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Equivalent and substitute parts are identified when electrical specifications, mechanical dimensions, and regulatory certifications align within acceptable tolerances for direct board-level replacement.

Substiute Parts

ERJ-S03F48R7V

Panasonic Electronic ComponentsIn Stock: 1016ERJ-S03F48R7V Datasheet

Current PartRFQ

ERJ-3EKF48R7V

Panasonic Electronic ComponentsIn Stock: 57797ERJ-3EKF48R7V Datasheet

SimilarRFQ

CRCW060348R7FKEA

Vishay DaleIn Stock: 20154CRCW060348R7FKEA Datasheet

SimilarRFQ

RC0603FR-0748R7L

YAGEOIn Stock: 265730RC0603FR-0748R7L Datasheet

SimilarRFQ

RMCF0603FT48R7

Stackpole Electronics IncIn Stock: 1105RMCF0603FT48R7 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S03F48R7V is determined by strict alignment of the following parameters:

• Resistance value: 48.7 Ohms
• Tolerance: ±1%
• Power rating: 0.1W (1/10W)
• Package: 0603 (1608 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• RoHS compliance: ROHS3
• Moisture sensitivity: MSL 1

All identified substitute parts meet these core electrical and mechanical specifications. Dimensional variations within supplier tolerances (length 1.55–1.60mm, width 0.80–0.85mm, height ≤0.55mm) do not affect functional equivalence on standard PCB layouts. Regulatory certifications (AEC-Q200 for automotive applications, REACH unaffected status) are preserved across all substitutes.

Parameter Comparison

Engineering Selection Recommendations

All substitute parts listed are active production components with ROHS3 compliance and REACH unaffected status, meeting regulatory requirements for industrial and automotive applications. The ERJ-3EKF48R7V (Panasonic) and RMCF0603FT48R7 (Stackpole) carry AEC-Q200 automotive qualification matching the primary part. The CRCW060348R7FKEA (Vishay Dale) also maintains AEC-Q200 certification. The RC0603FR-0748R7L (YAGEO) is specified with moisture-resistant construction and does not list AEC-Q200 rating but meets all electrical and mechanical equivalence criteria.

Selection among substitutes depends on supply chain availability, lead time requirements, and application-specific certifications. All parts are functionally interchangeable at the board level within the specified electrical and thermal operating envelope.

Frequently Asked Questions (FAQ)

Q: Can ERJ-3EKF48R7V replace ERJ-S03F48R7V directly? A: Yes. Both are Panasonic 48.7 Ohm ±1% 0603 thick film resistors with identical electrical specifications, temperature coefficient, operating range, and AEC-Q200 qualification. The primary difference is the series designation (ERJ-3EK vs. ERJ-S03). Mechanical dimensions and MSL ratings are equivalent.

Q: What is the difference between anti-sulfur and moisture-resistant coatings? A: The ERJ-S03F48R7V specifies anti-sulfur coating for corrosion resistance in harsh environments. The RC0603FR-0748R7L specifies moisture-resistant construction. Both provide environmental protection; selection depends on application exposure conditions. All parts maintain MSL 1 rating.

Q: Are dimensional tolerances critical for 0603 package substitution? A: Dimensional variations (length 1.55–1.60mm, width 0.80–0.85mm, height ≤0.55mm) fall within standard PCB pad tolerances and do not affect placement or soldering on designs specified for 0603 (1608 Metric) packages. All listed parts are mechanically compatible.

Q: Which substitute has the highest inventory availability? A: RC0603FR-0748R7L (YAGEO) shows 265,648 pieces in stock, followed by ERJ-3EKF48R7V (Panasonic) with 57,715 pieces. CRCW060348R7FKEA (Vishay Dale) has 20,076 pieces, and RMCF0603FT48R7 (Stackpole) has 1,086 pieces.

Q: Do all substitutes meet automotive AEC-Q200 requirements? A: ERJ-3EKF48R7V, CRCW060348R7FKEA, and RMCF0603FT48R7 carry explicit AEC-Q200 certification. RC0603FR-0748R7L does not list AEC-Q200 rating but meets all electrical and thermal specifications. For automotive applications requiring AEC-Q200 qualification, select from the three certified alternatives.