RCS3216F4420CS Equivalent & Substitute Parts

Part Overview

The RCS3216F4420CS is a 442 Ohm ±1% 0.25W (1/4W) chip resistor manufactured by Samsung Electro-Mechanics in the 1206 (3216 Metric) package. This thick film resistor features anti-sulfur and moisture-resistant properties with a temperature coefficient of ±100ppm/°C and operating range of -55°C to 155°C. The part is currently Active in product status with 1092 pieces in stock inventory. Equivalent and substitute parts are identified to provide design flexibility, supply chain alternatives, and application-specific feature options while maintaining electrical and mechanical compatibility.

Substiute Parts

RCS3216F4420CS

Samsung Electro-MechanicsIn Stock: 1184RCS3216F4420CS Datasheet

Current PartRFQ

CR1206-FX-4420ELF

Bourns Inc.In Stock: 26042CR1206-FX-4420ELF Datasheet

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CRCW1206442RFKEA

Vishay DaleIn Stock: 105503CRCW1206442RFKEA Datasheet

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CRCW1206442RFKEAHP

Vishay DaleIn Stock: 2950CRCW1206442RFKEAHP Datasheet

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ERJ-8ENF4420V

Panasonic Electronic ComponentsIn Stock: 57966ERJ-8ENF4420V Datasheet

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RC1206FR-07442RL

YAGEOIn Stock: 20454RC1206FR-07442RL Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RCS3216F4420CS are qualified based on the following critical parameters that determine functional and mechanical interchangeability:

Core Substitution Criteria:

• Resistance value: 442 Ohms
• Tolerance: ±1%
• Package / Case: 1206 (3216 Metric)
• Composition: Thick Film
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature Range: -55°C to 155°C
• Number of Terminations: 2
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

Substitution Groups:

Group 1: Direct Equivalents (0.25W, 1/4W Rating) Parts with identical power rating and all core parameters matching: CR1206-FX-4420ELF, CRCW1206442RFKEA, ERJ-8ENF4420V, RC1206FR-07442RL

Group 2: Enhanced Power Rating (0.75W, 3/4W Rating) Part with higher power dissipation capability while maintaining all other core parameters: CRCW1206442RFKEAHP

All substitute parts maintain the same electrical specifications, package dimensions, and environmental compliance as the main part.

Parameter Comparison

Engineering Selection Recommendations

For Standard Applications (0.25W Power Requirement):

CRCW1206442RFKEA (Vishay Dale) is the primary substitute for the RCS3216F4420CS. This part maintains all electrical and mechanical specifications with Active product status and ROHS3 compliance. It features automotive AEC-Q200 qualification and offers the highest inventory availability (105,400 pieces), ensuring supply chain reliability.

CR1206-FX-4420ELF (Bourns Inc.) and RC1206FR-07442RL (YAGEO) are secondary alternatives with Active product status. Both maintain full electrical compatibility and ROHS3 compliance with adequate inventory levels (25,961 and 20,371 pieces respectively).

For Enhanced Power Dissipation Applications:

CRCW1206442RFKEAHP (Vishay Dale) provides 0.75W (3/4W) power rating while maintaining all other core parameters. This part is suitable for applications requiring higher pulse withstanding capability and thermal margin. It retains Active product status and ROHS3 compliance with automotive AEC-Q200 qualification.

Obsolescence Consideration:

ERJ-8ENF4420V (Panasonic Electronic Components) carries "Not For New Designs" product status. While electrically and mechanically compatible with Active product status alternatives available, this part should not be selected for new design implementations.

All substitute parts are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with HTSUS code 8533.21.0030, matching the regulatory profile of the main part.

Frequently Asked Questions (FAQ)

Q: Can CRCW1206442RFKEAHP (0.75W) be used as a direct replacement for RCS3216F4420CS (0.25W)?

A: Yes. The CRCW1206442RFKEAHP maintains all core electrical parameters (442 Ohms, ±1% tolerance, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range) and package specifications (1206 / 3216 Metric). The higher power rating (0.75W vs. 0.25W) provides additional thermal margin and does not create incompatibility. Physical dimensions remain within the 1206 package envelope.

Q: What is the difference between bulk packaging and Tape & Reel (TR) packaging?

A: The RCS3216F4420CS is supplied in bulk packaging, while most substitute parts are supplied in Tape & Reel format. Both packaging types contain identical components. Tape & Reel packaging is standard for automated assembly processes. Bulk packaging is typically used for manual assembly or lower-volume applications. Component selection should account for assembly process requirements.

Q: Why is ERJ-8ENF4420V marked "Not For New Designs"?

A: The ERJ-8ENF4420V carries "Not For New Designs" product status, indicating that Panasonic has designated this part for legacy support only. While the part remains electrically and mechanically compatible with the RCS3216F4420CS, new design implementations should utilize Active status alternatives such as CRCW1206442RFKEA, CR1206-FX-4420ELF, or RC1206FR-07442RL.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance, matching the regulatory status of the RCS3216F4420CS. All parts are REACH unaffected and classified under ECCN EAR99.

Q: What does MSL 1 (Unlimited) mean for moisture sensitivity?

A: MSL 1 (Unlimited) indicates the lowest moisture sensitivity level. These components do not require special moisture control during storage, handling, or assembly. No baking or desiccant storage is required prior to soldering.

Q: Can substitute parts be mixed in the same assembly?

A: Yes. All substitute parts meet identical electrical specifications (442 Ohms ±1%, 0.25W or 0.75W, ±100ppm/°C, -55°C to 155°C) and package requirements (1206 / 3216 Metric, 2 terminations). Mixed sourcing is permissible from a functional and mechanical standpoint. Assembly process compatibility should be verified based on packaging format (bulk vs. Tape & Reel).

Q: What is the physical size difference between substitute parts?

A: All parts conform to the 1206 (3216 Metric) package standard with length 0.126" (3.20mm) and width 0.063" (1.60mm). Height variations are minimal: RCS3216F4420CS (0.66mm), CR1206-FX-4420ELF (0.75mm), CRCW1206442RFKEA (0.60mm), CRCW1206442RFKEAHP (0.65mm), ERJ-8ENF4420V (0.70mm), RC1206FR-07442RL (0.65mm). These height differences do not affect PCB layout or assembly compatibility.