ERJ-S03F30R9V Equivalent & Substitute Parts

Part Overview

The ERJ-S03F30R9V is a 30.9 Ohm ±1% thick film chip resistor manufactured by Panasonic Electronic Components in 0603 (1608 Metric) package format. This component is rated for 0.1W (1/10W) power dissipation and features anti-sulfur properties with automotive AEC-Q200 qualification. The part maintains active product status with 1110 units currently in stock. Equivalent and substitute parts are identified to support design flexibility, supply chain continuity, and component availability across multiple manufacturers while maintaining identical electrical and mechanical specifications.

Substiute Parts

ERJ-S03F30R9V

Panasonic Electronic ComponentsIn Stock: 1133ERJ-S03F30R9V Datasheet

Current PartRFQ

ERJ-3EKF30R9V

Panasonic Electronic ComponentsIn Stock: 36162ERJ-3EKF30R9V Datasheet

SimilarRFQ

CRCW060330R9FKEA

Vishay DaleIn Stock: 9347CRCW060330R9FKEA Datasheet

SimilarRFQ

RC0603FR-0730R9L

YAGEOIn Stock: 175825RC0603FR-0730R9L Datasheet

SimilarRFQ

RMCF0603FT30R9

Stackpole Electronics IncIn Stock: 19504RMCF0603FT30R9 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S03F30R9V is determined by strict equivalence across the following critical parameters: resistance value (30.9 Ohms), tolerance (±1%), power rating (0.1W), package format (0603), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and moisture sensitivity level (MSL 1). All identified substitute parts meet these core electrical and mechanical requirements. Compliance certifications (RoHS3, REACH Unaffected) and automotive ratings (AEC-Q200 where applicable) are preserved across substitutes. Dimensional variations within supplier device package specifications do not affect functional interchangeability in standard PCB assembly processes.

Parameter Comparison

Engineering Selection Recommendations

All substitute parts listed maintain active product status and full compliance with ROHS3 and REACH requirements. The ERJ-3EKF30R9V (Panasonic) offers the highest inventory availability at 36,087 units and maintains identical anti-sulfur and automotive AEC-Q200 specifications as the primary part. The RC0603FR-0730R9L (YAGEO) provides the largest stock position at 175,813 units with moisture-resistant characteristics. The CRCW060330R9FKEA (Vishay Dale) and RMCF0603FT30R9 (Stackpole Electronics Inc) both carry automotive AEC-Q200 ratings and maintain full electrical equivalence. Selection among these substitutes should be based on supply chain requirements, inventory availability, and established qualification status within your manufacturing environment.

Frequently Asked Questions (FAQ)

Q: Are all listed parts electrically identical to the ERJ-S03F30R9V? A: Yes. All substitute parts share identical resistance (30.9 Ohms), tolerance (±1%), power rating (0.1W), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C). Electrical performance is equivalent across all listed components.

Q: Can these parts be used interchangeably in PCB assembly? A: Yes. All parts are packaged in 0603 (1608 Metric) format with identical footprint requirements. Standard pick-and-place equipment and reflow processes apply uniformly to all listed parts.

Q: What is the difference between ERJ-S03F30R9V and ERJ-3EKF30R9V? A: Both are Panasonic thick film 0603 resistors with identical electrical specifications. The primary difference is the series designation (ERJ-S03 versus ERJ-3EK). The ERJ-3EKF30R9V has significantly higher inventory availability (36,087 units versus 1,110 units).

Q: Do all parts meet automotive qualification requirements? A: The ERJ-S03F30R9V, ERJ-3EKF30R9V, CRCW060330R9FKEA, and RMCF0603FT30R9 carry AEC-Q200 automotive ratings. The RC0603FR-0730R9L does not list AEC-Q200 but meets all other electrical and compliance requirements.

Q: What is MSL 1 and why does it matter? A: MSL (Moisture Sensitivity Level) 1 indicates unlimited shelf life with no special moisture control requirements during storage or handling. All listed parts carry MSL 1 classification.

Q: Are dimensional variations between parts significant? A: Minor dimensional variations exist within supplier specifications (length 1.55mm to 1.60mm, height 0.50mm to 0.55mm). These variations fall within standard PCB assembly tolerances and do not affect functional interchangeability or board-level performance.