ERJ-S14F3900U Equivalent & Substitute Parts

Part Overview

The ERJ-S14F3900U is a 390 Ohm ±1% 0.5W thick film chip resistor manufactured by Panasonic Electronic Components in the 1210 (3225 Metric) package. This component is designed for automotive applications and meets AEC-Q200 qualification standards with anti-sulfur protection. The part is currently in active production status with 689 units available in stock. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component requirements.

Substiute Parts

ERJ-S14F3900U

Panasonic Electronic ComponentsIn Stock: 762ERJ-S14F3900U Datasheet

Current PartRFQ

RC1210FR-07390RL

YAGEOIn Stock: 15551RC1210FR-07390RL Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S14F3900U is determined by strict alignment of the following parameters:

• Resistance value: 390 Ohms
• Tolerance: ±1%
• Power rating: 0.5W (1/2W)
• Package type: 1210 (3225 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C
• Termination count: 2
• RoHS compliance: ROHS3 Compliant
• MSL rating: 1 (Unlimited)

The RC1210FR-07390RL from YAGEO meets all these core electrical and mechanical specifications, making it a direct functional equivalent for applications requiring the ERJ-S14F3900U.

Parameter Comparison

Engineering Selection Recommendations

Both the ERJ-S14F3900U and RC1210FR-07390RL are active production components with ROHS3 compliance and MSL 1 ratings. The primary distinction lies in protective features: the Panasonic ERJ-S14F3900U includes anti-sulfur treatment and carries AEC-Q200 automotive qualification, while the YAGEO RC1210FR-07390RL features moisture-resistant construction. Selection between these parts depends on application-specific environmental requirements. The dimensional variations (length, width, and height) are within typical manufacturing tolerances for the 1210 package class and do not affect PCB layout compatibility for standard applications.

Frequently Asked Questions (FAQ)

Q: Can RC1210FR-07390RL replace ERJ-S14F3900U in automotive applications?

A: Both parts meet the same electrical specifications and RoHS compliance requirements. However, the ERJ-S14F3900U carries explicit AEC-Q200 automotive qualification with anti-sulfur protection. The RC1210FR-07390RL is suitable for general industrial applications with moisture-resistant characteristics. Application-specific environmental conditions determine appropriateness.

Q: Are there dimensional compatibility concerns between these parts?

A: Both components use the 1210 (3225 Metric) package. Dimensional variations (length 3.10mm vs 3.20mm, width 2.60mm vs 2.50mm, height 0.60mm vs 0.70mm) fall within standard package tolerances and do not affect PCB footprint compatibility for typical circuit board designs.

Q: Do both parts have the same moisture sensitivity rating?

A: Yes. Both the ERJ-S14F3900U and RC1210FR-07390RL carry MSL 1 (Unlimited) ratings, indicating no moisture sensitivity restrictions during storage or handling.

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

A: Anti-sulfur protection addresses corrosion from sulfur-containing environments, typically specified for automotive applications. Moisture-resistant construction protects against humidity and condensation. These are distinct protective mechanisms suited to different environmental exposures.

Q: Are the electrical performance characteristics identical?

A: Yes. Both parts specify 390 Ohms ±1% resistance, 0.5W power rating, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. Electrical performance is equivalent for circuit design purposes.