ERJ-S14F3571U Equivalent & Substitute Parts

Part Overview

The ERJ-S14F3571U is a 4.67 kOhms ±1% thick film chip resistor rated at 0.5W (1/2W) in a 1210 (3225 Metric) package. This component is manufactured by Panasonic Electronic Components and features anti-sulfur coating with AEC-Q200 automotive qualification. The part is currently in active production status with 948 units in stock.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when design requirements shift toward alternative feature sets (such as pulse withstanding capability), or when procurement from different production series is required to meet supply chain objectives.

Substiute Parts

ERJ-S14F3571U

Panasonic Electronic ComponentsIn Stock: 963ERJ-S14F3571U Datasheet

Current PartRFQ

ERJ-14NF3571U

Panasonic Electronic ComponentsIn Stock: 21842ERJ-14NF3571U Datasheet

SimilarRFQ

ERJ-P14F3571U

Panasonic Electronic ComponentsIn Stock: 10199ERJ-P14F3571U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S14F3571U is determined by strict equivalence across the following parameters:

• Resistance value: 4.67 kOhms (exact match required)
• Tolerance: ±1% (exact match required)
• Power rating: 0.5W / 1/2W (exact match required)
• Package: 1210 (3225 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• Temperature coefficient: ±100ppm/°C (exact match required)
• Operating temperature range: -55°C ~ 155°C (exact match required)
• Automotive qualification: AEC-Q200 (exact match required)
• RoHS compliance: ROHS3 Compliant (exact match required)

Substitute parts may differ in the following aspects without affecting functional compatibility:

• Series designation (ERJ-S14, ERJ-14N, ERJ-P14)
• Product status (Active vs. Not For New Designs)
• Additional features (Anti-Sulfur coating, Pulse Withstanding capability)
• Inventory availability
• Manufacturer series classification

Parameter Comparison

Engineering Selection Recommendations

ERJ-S14F3571U (Primary Part): This part is the recommended choice for new designs. It maintains active production status and includes anti-sulfur coating, which provides enhanced protection in corrosive environments. All compliance certifications (AEC-Q200, ROHS3) are current.

ERJ-P14F3571U (Preferred Substitute): This part is functionally equivalent and maintains active production status. It adds pulse withstanding capability, making it suitable for applications requiring transient overvoltage protection. Use this substitute when the primary part is unavailable and pulse withstanding performance is beneficial or required by circuit design.

ERJ-14NF3571U (Legacy Substitute): This part carries "Not For New Designs" status and should be used only when existing inventory must be consumed or when retrofitting legacy equipment. All electrical and mechanical parameters remain equivalent to the primary part. Higher inventory availability (21751 units) may support high-volume legacy production requirements.

Frequently Asked Questions (FAQ)

Q: Can ERJ-P14F3571U be used as a direct replacement for ERJ-S14F3571U?

A: Yes. Both parts meet identical electrical specifications (4.67 kOhms ±1%, 0.5W, ±100ppm/°C, -55°C to 155°C) and package requirements (1210 / 3225 Metric). The ERJ-P14F3571U adds pulse withstanding capability without affecting standard circuit operation. Both are AEC-Q200 qualified and ROHS3 compliant.

Q: Why is ERJ-14NF3571U marked "Not For New Designs"?

A: This designation indicates the part is in legacy production phase. While electrically and mechanically equivalent, Panasonic recommends using ERJ-S14F3571U or ERJ-P14F3571U for new product development. ERJ-14NF3571U remains available for existing designs and high-volume legacy applications.

Q: Are there any differences in package dimensions between these three parts?

A: No. All three parts use the 1210 (3225 Metric) package with identical dimensions: 0.126" L × 0.098" W (3.20mm × 2.50mm) and maximum seated height of 0.028" (0.70mm). They are mechanically interchangeable on PCBs designed for this footprint.

Q: What is the significance of the anti-sulfur coating on ERJ-S14F3571U?

A: The anti-sulfur feature on ERJ-S14F3571U provides protection against sulfur-containing atmospheric contaminants and corrosive environments. This is particularly relevant for automotive and industrial applications. ERJ-P14F3571U does not specify this feature, though it remains AEC-Q200 qualified.

Q: Can these parts be used interchangeably in automotive applications?

A: Yes. All three parts carry AEC-Q200 automotive qualification, meeting Panasonic's automotive reliability standards. Selection between them should be based on product status (active vs. legacy) and specific feature requirements (anti-sulfur vs. pulse withstanding).

Q: What is the Moisture Sensitivity Level (MSL) rating, and why does it matter?

A: All three parts have MSL 1 (Unlimited), meaning they have unlimited shelf life and require no special moisture control during storage or handling. This simplifies procurement and inventory management for high-volume applications.