ERJ-S14F4220U Equivalent & Substitute Parts

Part Overview

The ERJ-S14F4220U is a 422 Ohm ±1% thick film chip resistor rated at 0.5W (1/2W) in a 1210 (3225 Metric) surface mount package. Manufactured by Panasonic Electronic Components, this part features anti-sulfur coating and automotive AEC-Q200 qualification, making it suitable for demanding automotive and industrial applications operating across -55°C to 155°C.

The ERJ-S14F4220U maintains Active product status with 1016 units currently in stock. Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating), mechanical compatibility (package size, termination count), and environmental qualifications (AEC-Q200, temperature range, RoHS3 compliance).

Substiute Parts

ERJ-S14F4220U

Panasonic Electronic ComponentsIn Stock: 1081ERJ-S14F4220U Datasheet

Current PartRFQ

ERJ-14NF4220U

Panasonic Electronic ComponentsIn Stock: 2128ERJ-14NF4220U Datasheet

SimilarRFQ

CRCW1210422RFKEA

Vishay DaleIn Stock: 13012CRCW1210422RFKEA Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ERJ-S14F4220U are qualified based on the following criteria:

Electrical Parameters: Resistance value (422 Ohms), tolerance (±1%), and power rating (0.5W / 1/2W) must match exactly.

Mechanical Parameters: Package type (1210 / 3225 Metric), termination count (2), and physical dimensions must be identical or compatible within standard tolerances.

Environmental & Compliance Parameters: Operating temperature range (-55°C to 155°C), temperature coefficient (±100ppm/°C), AEC-Q200 automotive qualification, RoHS3 compliance, and MSL rating (1) must be maintained.

Composition: Thick film construction is required for thermal and performance consistency.

Two substitute parts meet these criteria: ERJ-14NF4220U (Panasonic) and CRCW1210422RFKEA (Vishay Dale).

Parameter Comparison

Engineering Selection Recommendations

Primary Selection: ERJ-S14F4220U

The ERJ-S14F4220U is the recommended choice for new designs. It maintains Active product status, includes anti-sulfur coating for enhanced environmental protection, and is backed by full AEC-Q200 automotive qualification. This part is suitable for long-term production commitments.

Secondary Selection: CRCW1210422RFKEA

The CRCW1210422RFKEA (Vishay Dale) is a direct electrical and mechanical equivalent with Active product status. It meets all specified parameters including AEC-Q200 qualification, RoHS3 compliance, and identical electrical characteristics. The maximum seated height is 0.024" (0.60mm) compared to 0.028" (0.70mm) for the ERJ-S14F4220U, which may be advantageous in space-constrained applications. Inventory availability is significantly higher (12928 units).

Tertiary Selection: ERJ-14NF4220U

The ERJ-14NF4220U (Panasonic) is electrically and mechanically equivalent but carries "Not For New Designs" status. This part is suitable only for legacy system maintenance or replacement applications where the original part number must be maintained. It lacks the anti-sulfur feature present in the ERJ-S14F4220U.

Frequently Asked Questions (FAQ)

Q: Can ERJ-14NF4220U be used as a direct replacement for ERJ-S14F4220U in new designs?

A: No. The ERJ-14NF4220U carries "Not For New Designs" status. While electrically and mechanically equivalent, it is intended for legacy applications only. The ERJ-S14F4220U or CRCW1210422RFKEA are the appropriate choices for new designs.

Q: What is the difference between ERJ-S14F4220U and ERJ-14NF4220U?

A: Both parts are 422 Ohm ±1% thick film resistors in 1210 packages with identical electrical specifications and AEC-Q200 qualification. The primary difference is that ERJ-S14F4220U includes anti-sulfur coating and maintains Active product status, while ERJ-14NF4220U is designated "Not For New Designs" and lacks the anti-sulfur feature.

Q: Is CRCW1210422RFKEA compatible with the ERJ-S14F4220U in terms of PCB layout?

A: Yes. Both parts use the 1210 (3225 Metric) package with identical footprints and termination spacing. The CRCW1210422RFKEA has a maximum seated height of 0.024" (0.60mm) versus 0.028" (0.70mm) for the ERJ-S14F4220U, which is a minor difference that does not affect standard PCB layout compatibility.

Q: Are all three parts AEC-Q200 qualified?

A: Yes. The ERJ-S14F4220U, ERJ-14NF4220U, and CRCW1210422RFKEA all carry AEC-Q200 automotive qualification and are suitable for automotive applications within the specified operating temperature range of -55°C to 155°C.

Q: What packaging options are available for these substitute parts?

A: The ERJ-S14F4220U and ERJ-14NF4220U are supplied in Tape & Reel (TR) packaging. The CRCW1210422RFKEA is available in Cut Tape (CT) and Digi-Reel® packaging options. Packaging selection depends on assembly process requirements and volume considerations.

Q: Do all substitute parts meet RoHS3 compliance?

A: Yes. The ERJ-S14F4220U, ERJ-14NF4220U, and CRCW1210422RFKEA are all RoHS3 compliant with MSL rating 1 (Unlimited moisture sensitivity level).