Equivalent & Substitute Parts for ERJ-S14F1820U

Part Overview

The ERJ-S14F1820U is a 182 Ohms ±1% 0.5W thick film chip resistor in 1210 (3225 Metric) package manufactured by Panasonic Electronic Components. This component features anti-sulfur coating and automotive AEC-Q200 qualification, designed for high-reliability applications in automotive and industrial environments. The part is currently in active production status with 753 units in stock.

Substitute parts become necessary when the primary part faces supply constraints, extended lead times, or when design flexibility permits selection from qualified alternatives that meet identical electrical and mechanical specifications.

Substiute Parts

ERJ-S14F1820U

Panasonic Electronic ComponentsIn Stock: 787ERJ-S14F1820U Datasheet

Current PartRFQ

ERJ-14NF1820U

Panasonic Electronic ComponentsIn Stock: 118648ERJ-14NF1820U Datasheet

SimilarRFQ

AC1210FR-07182RL

YAGEOIn Stock: 7940AC1210FR-07182RL Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S14F1820U is determined by strict equivalence across the following critical parameters:

• Electrical Specifications: Resistance value (182 Ohms), tolerance (±1%), and power rating (0.5W) must be identical
• Package Compatibility: 1210 (3225 Metric) package ensures mechanical and thermal compatibility with PCB layouts
• Composition: Thick film construction maintains performance characteristics
• Temperature Performance: Operating range (-55°C ~ 155°C) and temperature coefficient (±100ppm/°C) must match
• Automotive Qualification: AEC-Q200 rating ensures reliability in automotive applications
• Compliance: RoHS3 compliance and MSL Level 1 rating required for supply chain compatibility

Two substitute parts meet these criteria: ERJ-14NF1820U (Panasonic) and AC1210FR-07182RL (YAGEO).

Parameter Comparison

Engineering Selection Recommendations

ERJ-S14F1820U (Primary Selection): Recommended for new designs. Active product status ensures long-term availability and manufacturer support. Anti-sulfur coating provides enhanced environmental protection in corrosive automotive environments.

AC1210FR-07182RL (Preferred Substitute): Suitable for direct substitution in existing designs or when primary part availability is constrained. Active product status and YAGEO manufacturing provide supply chain stability. Moisture-resistant feature offers equivalent environmental protection. Dimensional variation (3.10mm x 2.60mm vs. 3.20mm x 2.50mm) remains within standard PCB layout tolerances for 1210 packages.

ERJ-14NF1820U (Legacy Substitute): Electrically and mechanically equivalent but marked "Not For New Designs" by manufacturer. Acceptable only for replacement or repair of existing assemblies where design continuity is required. High inventory availability (118,605 units) may support extended production runs of legacy products.

Frequently Asked Questions (FAQ)

Q: Can ERJ-14NF1820U be used in new product designs? A: No. This part carries "Not For New Designs" status from Panasonic. It is suitable only for replacement of existing assemblies or repair applications. New designs should use ERJ-S14F1820U or AC1210FR-07182RL.

Q: Are dimensional differences between AC1210FR-07182RL and ERJ-S14F1820U significant? A: No. The AC1210FR-07182RL measures 3.10mm x 2.60mm with 0.60mm seated height, compared to ERJ-S14F1820U at 3.20mm x 2.50mm with 0.70mm seated height. These variations fall within standard 1210 package tolerances and do not affect PCB layout compatibility or thermal performance.

Q: Do all substitute parts maintain AEC-Q200 automotive qualification? A: Yes. All three parts (ERJ-S14F1820U, ERJ-14NF1820U, and AC1210FR-07182RL) carry AEC-Q200 qualification and are suitable for automotive applications requiring this certification.

Q: What is the significance of anti-sulfur and moisture-resistant features? A: Both features protect against environmental degradation in automotive and industrial environments. ERJ-S14F1820U includes anti-sulfur coating; AC1210FR-07182RL includes moisture-resistant coating. Both provide equivalent environmental protection through different mechanisms and are interchangeable from a reliability standpoint.

Q: Are all parts RoHS3 compliant? A: Yes. All three parts meet ROHS3 compliance requirements and carry MSL Level 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard supply chain and assembly processes.