ERJ-S03F4642V Equivalent & Substitute Parts

Part Overview

The ERJ-S03F4642V is a 46.4 kOhms ±1% thick film chip resistor manufactured by Panasonic Electronic Components in the 0603 (1608 Metric) package format. This component is rated for 0.1W power dissipation and features anti-sulfur properties with automotive AEC-Q200 qualification. The part is currently active in production with 611 units in stock. Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing due to inventory constraints, supply chain considerations, or specific application requirements while maintaining electrical and mechanical compatibility.

Substiute Parts

ERJ-S03F4642V

Panasonic Electronic ComponentsIn Stock: 665ERJ-S03F4642V Datasheet

Current PartRFQ

ERJ-3EKF4642V

Panasonic Electronic ComponentsIn Stock: 78078ERJ-3EKF4642V Datasheet

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CR0603-FX-4642ELF

Bourns Inc.In Stock: 289079CR0603-FX-4642ELF Datasheet

SimilarRFQ

CRCW060346K4FKEA

Vishay DaleIn Stock: 59149CRCW060346K4FKEA Datasheet

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RC0603FR-0746K4L

YAGEOIn Stock: 1041161RC0603FR-0746K4L Datasheet

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RMCF0603FT46K4

Stackpole Electronics IncIn Stock: 324623RMCF0603FT46K4 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ERJ-S03F4642V are qualified based on the following criteria:

• Identical resistance value: 46.4 kOhms
• Identical tolerance: ±1%
• Identical power rating: 0.1W (1/10W)
• Identical package: 0603 (1608 Metric)
• Identical composition: Thick Film
• Identical temperature coefficient: ±100ppm/°C
• Identical operating temperature range: -55°C ~ 155°C
• Identical RoHS compliance: ROHS3 Compliant
• Identical moisture sensitivity level: MSL 1 (Unlimited)

All identified substitutes meet these core electrical and mechanical parameters. Variations in specific features (such as anti-sulfur versus moisture-resistant properties) and manufacturer certifications are noted but do not affect functional interchangeability within the specified parameter set.

Parameter Comparison

Engineering Selection Recommendations

All substitute parts listed maintain full compliance with ROHS3 regulations and carry MSL 1 rating, indicating unlimited shelf life under standard storage conditions. Selection among these equivalents should be based on:

Automotive Applications: ERJ-3EKF4642V, CRCW060346K4FKEA, and RMCF0603FT46K4 carry AEC-Q200 automotive qualification, matching the primary part's automotive-grade specification.

General Industrial Applications: CR0603-FX-4642ELF and RC0603FR-0746K4L provide moisture-resistant thick film construction suitable for non-automotive environments.

Supply Availability: RC0603FR-0746K4L (YAGEO) offers the highest inventory level at 1,041,117 units, followed by CR0603-FX-4642ELF (Bourns) at 288,999 units.

Manufacturer Consistency: ERJ-3EKF4642V maintains Panasonic sourcing, ensuring consistency with the primary part's manufacturing lineage.

Frequently Asked Questions (FAQ)

Q: Can ERJ-3EKF4642V be used as a direct replacement for ERJ-S03F4642V?

A: Yes. Both parts share identical electrical specifications (46.4 kOhms ±1%, 0.1W, ±100ppm/°C, -55°C ~ 155°C), package format (0603), and compliance ratings (ROHS3, MSL 1). The primary difference is the absence of anti-sulfur specification in the ERJ-3EKF4642V series, though both carry AEC-Q200 automotive qualification.

Q: What is the difference between anti-sulfur and moisture-resistant features?

A: Anti-sulfur resistors are formulated to resist degradation from sulfur-containing environments, typically found in automotive applications. Moisture-resistant resistors are designed to maintain performance in high-humidity conditions. Both features address environmental durability but target different application scenarios. The core electrical parameters remain identical across all listed substitutes.

Q: Are all substitute parts suitable for automotive applications?

A: ERJ-3EKF4642V, CRCW060346K4FKEA, and RMCF0603FT46K4 carry AEC-Q200 automotive qualification. CR0603-FX-4642ELF and RC0603FR-0746K4L do not carry explicit automotive ratings but meet the same electrical and mechanical specifications. Application suitability depends on specific automotive qualification requirements of the end product.

Q: Do dimensional variations between parts affect PCB assembly?

A: All parts conform to the 0603 (1608 Metric) package standard. Minor dimensional variations (height-seated maximum ranging from 0.50mm to 0.55mm, length from 1.55mm to 1.60mm) fall within standard 0603 package tolerances and do not affect PCB assembly compatibility or reflow soldering processes.

Q: What is MSL 1 and why does it matter?

A: MSL (Moisture Sensitivity Level) 1 indicates unlimited shelf life under standard storage conditions (typically 23°C ± 2°C, 45% ± 5% relative humidity). All listed parts carry MSL 1, meaning no special moisture-control packaging or baking procedures are required prior to assembly.