ERJ-S03F26R1V Equivalent & Substitute Parts

Part Overview

The ERJ-S03F26R1V is a 26.1 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 coating with automotive AEC-Q200 qualification. The part is currently in active production status with 793 units in stock. Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing due to supply constraints, lead time considerations, or specific manufacturing preferences while maintaining identical electrical and mechanical performance.

Substiute Parts

ERJ-S03F26R1V

Panasonic Electronic ComponentsIn Stock: 818ERJ-S03F26R1V Datasheet

Current PartRFQ

ERJ-3EKF26R1V

Panasonic Electronic ComponentsIn Stock: 60866ERJ-3EKF26R1V Datasheet

SimilarRFQ

CRCW060326R1FKEA

Vishay DaleIn Stock: 31284CRCW060326R1FKEA Datasheet

SimilarRFQ

RC0603FR-0726R1L

YAGEOIn Stock: 109847RC0603FR-0726R1L Datasheet

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RMCF0603FT26R1

Stackpole Electronics IncIn Stock: 15798RMCF0603FT26R1 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S03F26R1V is determined by strict equivalence across the following parameters: resistance value (26.1 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 compliance certifications (ROHS3, MSL 1). All identified substitute parts meet these criteria. Variations in physical dimensions within tolerance, manufacturing series designation, or specific feature sets (such as anti-sulfur versus moisture-resistant coatings) do not affect functional substitutability in circuit applications where the core electrical specifications are the controlling requirement.

Parameter Comparison

Engineering Selection Recommendations

All substitute parts listed maintain active production status and full ROHS3 compliance. Selection among equivalent parts should be based on availability, lead time, and established supplier relationships. The ERJ-3EKF26R1V (Panasonic) offers the highest inventory level at 60,809 units. The RC0603FR-0726R1L (YAGEO) provides the largest available stock at 109,738 units. The CRCW060326R1FKEA (Vishay Dale) and RMCF0603FT26R1 (Stackpole Electronics Inc) are qualified alternatives with adequate inventory. For automotive applications requiring AEC-Q200 certification, ERJ-3EKF26R1V, CRCW060326R1FKEA, and RMCF0603FT26R1 carry explicit AEC-Q200 ratings. The RC0603FR-0726R1L is specified with moisture-resistant characteristics rather than automotive qualification.

Frequently Asked Questions (FAQ)

Q: Can ERJ-3EKF26R1V replace ERJ-S03F26R1V directly? A: Yes. Both parts share identical electrical specifications (26.1 Ω, ±1%, 0.1W, 0603 package, ±100ppm/°C, -55°C ~ 155°C operating range) and ROHS3 compliance. The primary difference is the manufacturing series designation (ERJ-3EK versus ERJ-S03) and feature set (standard AEC-Q200 versus anti-sulfur AEC-Q200). Functional substitution is complete.

Q: What is the difference between anti-sulfur and moisture-resistant coatings? A: Anti-sulfur coating (ERJ-S03F26R1V) provides protection against sulfur-containing atmospheric contaminants. Moisture-resistant coating (RC0603FR-0726R1L) provides protection against moisture ingress. Both are protective measures; the specific requirement depends on the application environment. For general circuit applications, either coating type is functionally equivalent.

Q: Are all substitute parts suitable for automotive applications? A: ERJ-3EKF26R1V, CRCW060326R1FKEA, and RMCF0603FT26R1 carry explicit AEC-Q200 automotive qualification. RC0603FR-0726R1L does not list AEC-Q200 certification. For applications requiring automotive qualification, use only the three AEC-Q200 rated alternatives.

Q: Do physical dimension variations affect PCB layout? A: All parts conform to 0603 (1608 Metric) package specifications. Minor dimension variations (length 0.061" to 0.063", width 0.031" to 0.033", height 0.020" to 0.022") fall within standard 0603 package tolerances and do not require PCB layout modification.

Q: What is Moisture Sensitivity Level (MSL) 1? A: MSL 1 indicates unlimited shelf life without moisture baking requirements. All listed parts carry MSL 1 rating, meaning they can be stored and handled under standard conditions without special moisture control procedures.

Q: Can I mix different manufacturers in the same design? A: Yes. All substitute parts meet identical electrical and mechanical specifications. Mixed sourcing from Panasonic, Vishay Dale, YAGEO, and Stackpole Electronics Inc is functionally equivalent and does not affect circuit performance.