ERJ-S14F3000U Equivalent & Substitute Parts

Part Overview

The ERJ-S14F3000U is a 300 Ohm ±1% 0.5W thick film chip resistor manufactured by Panasonic Electronic Components in the 1210 (3225 Metric) package. This component is rated for automotive applications under AEC-Q200 and features anti-sulfur construction. The part is currently active in production with 683 units in stock. Equivalent and substitute parts are identified when design requirements necessitate alternative sourcing, inventory optimization, or manufacturer selection based on identical electrical and mechanical specifications.

Substiute Parts

ERJ-S14F3000U

Panasonic Electronic ComponentsIn Stock: 756ERJ-S14F3000U Datasheet

Current PartRFQ

AC1210FR-07300RL

YAGEOIn Stock: 10006AC1210FR-07300RL Datasheet

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CRCW1210300RFKEA

Vishay DaleIn Stock: 17631CRCW1210300RFKEA Datasheet

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RC1210FR-07300RL

YAGEOIn Stock: 13903RC1210FR-07300RL Datasheet

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RMCF1210FT300R

Stackpole Electronics IncIn Stock: 6647RMCF1210FT300R Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S14F3000U is determined by strict equivalence across the following parameters: resistance value (300 Ohms), tolerance (±1%), power rating (0.5W), package type (1210), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and compliance certifications (RoHS3, REACH Unaffected, EAR99). All identified substitute parts meet these core electrical and mechanical requirements. Dimensional variations within the 1210 package specification and differences in secondary features (anti-sulfur vs. moisture-resistant construction) do not affect functional interchangeability in standard circuit applications.

Parameter Comparison

Engineering Selection Recommendations

All four substitute parts are functionally equivalent to the ERJ-S14F3000U based on electrical specifications and package compatibility. Three of the four substitutes (AC1210FR-07300RL, CRCW1210300RFKEA, RMCF1210FT300R) carry AEC-Q200 automotive qualification matching the original part. The RC1210FR-07300RL lacks AEC-Q200 certification and is suitable only for non-automotive applications. All parts are RoHS3 compliant, REACH unaffected, and classified under EAR99. Selection should be based on application requirements, inventory availability, and automotive qualification necessity.

Frequently Asked Questions (FAQ)

Q: Can RC1210FR-07300RL be used as a direct replacement for ERJ-S14F3000U in automotive circuits?

A: No. The RC1210FR-07300RL does not carry AEC-Q200 certification. Use only AC1210FR-07300RL, CRCW1210300RFKEA, or RMCF1210FT300R for automotive applications requiring AEC-Q200 compliance.

Q: Are there dimensional differences between substitute parts and the original ERJ-S14F3000U?

A: Minor dimensional variations exist within the 1210 package specification. The ERJ-S14F3000U and RMCF1210FT300R measure 0.126" L x 0.098" W with 0.028" maximum seated height. The AC1210FR-07300RL and RC1210FR-07300RL measure 0.122" L x 0.102" W with 0.024" maximum seated height. The CRCW1210300RFKEA matches the original at 0.126" L x 0.098" W with 0.024" maximum seated height. These variations remain within 1210 package tolerances and do not affect PCB layout compatibility.

Q: Do all substitutes have the same moisture sensitivity level?

A: Yes. All parts, including the original ERJ-S14F3000U, are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

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

A: The ERJ-S14F3000U features anti-sulfur construction, while AC1210FR-07300RL and RC1210FR-07300RL feature moisture-resistant construction. Both are thick film resistors with identical electrical performance. Feature differences do not affect functional interchangeability in standard applications.