ERJ-S14F3241U Equivalent & Substitute Parts

Part Overview

The ERJ-S14F3241U is a 3.24 kOhms ±1% thick film chip resistor manufactured by Panasonic Electronic Components in the 1210 (3225 Metric) package format. This component is rated for 0.5W power dissipation and meets AEC-Q200 automotive qualification standards with anti-sulfur protection. The part is currently in active production status with 1155 units available in stock.

Substitute parts become necessary when the primary part reaches end-of-life status, inventory constraints occur, or design revisions require components with equivalent electrical and mechanical characteristics. The ERJ-14NF3241U represents a direct functional equivalent from the same manufacturer, though it carries a "Not For New Designs" status designation.

Substiute Parts

ERJ-S14F3241U

Panasonic Electronic ComponentsIn Stock: 1261ERJ-S14F3241U Datasheet

Current PartRFQ

ERJ-14NF3241U

Panasonic Electronic ComponentsIn Stock: 14285ERJ-14NF3241U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S14F3241U is determined by strict equivalence across the following parameters:

• Resistance value: 3.24 kOhms
• Tolerance: ±1%
• Power rating: 0.5W
• Package format: 1210 (3225 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C
• Automotive qualification: AEC-Q200
• RoHS compliance: ROHS3 Compliant
• Moisture sensitivity: MSL 1

The ERJ-14NF3241U meets all these criteria and is classified as a direct substitute. This part maintains identical electrical specifications and package dimensions, ensuring mechanical and functional compatibility in existing circuit designs.

Parameter Comparison

Engineering Selection Recommendations

The ERJ-S14F3241U is the preferred selection for new designs due to its active production status. This part carries full manufacturer support and is recommended for applications requiring long-term component availability and supply chain stability.

The ERJ-14NF3241U is electrically and mechanically equivalent and may be used as a substitute in existing designs where the primary part becomes unavailable. However, this part is designated "Not For New Designs," indicating that Panasonic does not recommend its use in new product development. The substitute maintains all critical electrical parameters, package dimensions, and automotive certifications required for direct replacement in established applications.

Both parts are ROHS3 compliant and carry AEC-Q200 automotive qualification, ensuring suitability for automotive and industrial applications operating across the -55°C to 155°C temperature range.

Frequently Asked Questions (FAQ)

Q: Can ERJ-14NF3241U be used as a direct replacement for ERJ-S14F3241U in production assemblies?

A: Yes. Both parts share identical resistance values (3.24 kOhms), tolerance (±1%), power rating (0.5W), package format (1210), and operating specifications. The physical dimensions and electrical characteristics are equivalent, allowing direct substitution in existing circuit board layouts without design modifications.

Q: What is the difference between the ERJ-S14F3241U and ERJ-14NF3241U series designations?

A: The ERJ-S14 series (main part) is in active production, while the ERJ-14N series (substitute) is designated "Not For New Designs." This status difference reflects Panasonic's product lifecycle management. Both series maintain identical electrical and mechanical specifications for the 3.24 kOhms ±1% 1210 package configuration.

Q: Are both parts suitable for automotive applications?

A: Yes. Both the ERJ-S14F3241U and ERJ-14NF3241U carry AEC-Q200 automotive qualification and are rated for the -55°C to 155°C operating temperature range. Both parts meet automotive reliability and environmental stress screening requirements.

Q: What does the "Not For New Designs" status mean for the ERJ-14NF3241U?

A: This designation indicates that Panasonic recommends using the ERJ-S14F3241U for new product development. The ERJ-14NF3241U remains available for replacement and repair of existing designs but should not be selected for new circuit designs or products entering production.

Q: Are there any differences in packaging or moisture sensitivity between these parts?

A: No. Both parts are supplied in Tape & Reel (TR) packaging, carry MSL 1 (Unlimited) moisture sensitivity rating, and have identical physical dimensions of 0.126" L x 0.098" W (3.20mm x 2.50mm) with a maximum seated height of 0.028" (0.70mm).