ERJ-S14F4222U Equivalent & Substitute Parts

Part Overview

The ERJ-S14F4222U is a 42.2 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 is designed for automotive applications with AEC-Q200 qualification and anti-sulfur protection. The part is currently in active production status with 743 units available in stock.

Substitute parts become necessary when the primary part reaches end-of-life status, inventory constraints occur, or when design requirements permit use of functionally equivalent alternatives that meet the same electrical and mechanical specifications.

Substiute Parts

ERJ-S14F4222U

Panasonic Electronic ComponentsIn Stock: 832ERJ-S14F4222U Datasheet

Current PartRFQ

ERJ-14NF4222U

Panasonic Electronic ComponentsIn Stock: 5208ERJ-14NF4222U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ERJ-S14F4222U is determined by strict equivalence across the following parameters:

• Resistance value: 42.2 kOhms
• Tolerance: ±1%
• Power rating: 0.5W (1/2W)
• Package format: 1210 (3225 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Automotive qualification: AEC-Q200
• Termination count: 2
• Moisture sensitivity level: 1 (Unlimited)

The ERJ-14NF4222U meets all electrical and mechanical parameters required for direct substitution. This part is identified as a functionally equivalent alternative despite its "Not For New Designs" status.

Parameter Comparison

Engineering Selection Recommendations

The ERJ-S14F4222U is the preferred selection for new designs due to its active production status and ROHS3 compliance. The ERJ-14NF4222U provides electrical and mechanical equivalence but carries a "Not For New Designs" designation and does not meet ROHS3 requirements. Selection of the ERJ-14NF4222U is appropriate only when the primary part is unavailable and existing inventory constraints necessitate substitution in legacy or non-RoHS-restricted applications.

Frequently Asked Questions (FAQ)

Q: Can ERJ-14NF4222U be used as a direct replacement for ERJ-S14F4222U?

A: The ERJ-14NF4222U meets all electrical and mechanical specifications required for functional equivalence. However, the primary part is recommended for new designs due to active status and ROHS3 compliance. The substitute part is suitable only when inventory or availability constraints require substitution.

Q: What are the key differences between these parts?

A: The primary differences are product lifecycle status and regulatory compliance. The ERJ-S14F4222U is in active production with ROHS3 compliance, while the ERJ-14NF4222U is designated "Not For New Designs" and is RoHS non-compliant. All electrical parameters, package format, and automotive ratings are identical.

Q: Are there any package or footprint considerations?

A: Both parts use the identical 1210 (3225 Metric) package format with matching dimensions of 0.126" L x 0.098" W (3.20mm x 2.50mm) and maximum seated height of 0.028" (0.70mm). PCB footprints are interchangeable.

Q: What is the significance of the AEC-Q200 rating?

A: AEC-Q200 certification indicates the component meets automotive-grade reliability standards for discrete semiconductors and passive components. Both parts carry this qualification, confirming suitability for automotive applications.

Q: Does moisture sensitivity affect substitution?

A: Both parts have Moisture Sensitivity Level 1 (Unlimited), indicating no moisture-related handling restrictions. This parameter does not differentiate the parts.