RC5025F4422CS Equivalent & Substitute Parts Reference

Part Overview

The RC5025F4422CS is a 44.2 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated for 0.667W (2/3W) power dissipation in a 2010 (5025 Metric) surface mount package. This component is currently in active production status and features moisture-resistant construction suitable for general industrial and commercial applications.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained across the critical parameters that define functional interchangeability. The primary substitute identified is the ERJ-12SF4422U from Panasonic Electronic Components, which shares the same resistance value, tolerance, package footprint, and operating temperature range, though with different power rating and product status classifications.

Substiute Parts

RC5025F4422CS

Samsung Electro-MechanicsIn Stock: 1220RC5025F4422CS Datasheet

Current PartRFQ

ERJ-12SF4422U

Panasonic Electronic ComponentsIn Stock: 1882ERJ-12SF4422U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC5025F4422CS is determined by strict alignment with the following electrical and mechanical parameters:

Primary Substitution Criteria:

• Resistance value: 44.2 kOhms (exact match required)
• Tolerance: ±1% (exact match required)
• Package: 2010 (5025 Metric) (exact match required)
• Temperature coefficient: ±100ppm/°C (exact match required)
• Operating temperature range: -55°C ~ 155°C (exact match required)
• Composition: Thick Film (exact match required)

Secondary Consideration:

• Power rating: Substitute must equal or exceed 0.667W minimum

The ERJ-12SF4422U meets all primary criteria and exceeds the power rating requirement at 0.75W (3/4W), establishing it as a valid electrical and mechanical substitute. However, product status differences and compliance certifications must be evaluated for specific application requirements.

Parameter Comparison

Engineering Selection Recommendations

RC5025F4422CS (Samsung Electro-Mechanics) - Primary Selection:

• Active product status ensures ongoing availability and manufacturing consistency
• RoHS3 compliant for applications requiring environmental compliance
• Moisture Sensitivity Level 1 (Unlimited) provides maximum handling flexibility
• REACH Unaffected status confirms regulatory compliance
• Recommended for new designs and long-term production applications

ERJ-12SF4422U (Panasonic Electronic Components) - Substitute Selection:

• Not For New Designs status indicates product maturity phase; suitable for legacy system maintenance and repair only
• RoHS non-compliant; not suitable for applications requiring RoHS certification
• AEC-Q200 automotive qualification provides enhanced reliability for automotive-grade applications where RoHS exemption is permitted
• Moisture Sensitivity Level 1 (Unlimited) maintains handling compatibility
• REACH Unaffected status confirms regulatory compliance
• Higher power rating (0.75W vs. 0.667W) provides thermal margin in existing designs

Selection Logic: For new designs and applications requiring RoHS compliance, the RC5025F4422CS is the appropriate choice. The ERJ-12SF4422U serves as a substitute only in legacy system support scenarios where the original part is unavailable and RoHS compliance is not mandated. The automotive AEC-Q200 qualification of the ERJ-12SF4422U may provide additional value in automotive applications where such certification is required and RoHS exemption is applicable.

Frequently Asked Questions (FAQ)

Q: Can the ERJ-12SF4422U be used as a direct replacement for the RC5025F4422CS in new product designs?

A: No. The ERJ-12SF4422U carries a "Not For New Designs" status and is RoHS non-compliant. New designs must use the RC5025F4422CS, which is active and RoHS3 compliant.

Q: Are the physical dimensions identical between these two parts?

A: The length and width are identical (5.00mm x 2.50mm). The seated height differs slightly: RC5025F4422CS at 0.026" (0.66mm) maximum versus ERJ-12SF4422U at 0.028" (0.70mm) maximum. This 0.02mm difference is within typical PCB assembly tolerances and does not affect mechanical compatibility.

Q: Does the higher power rating of the ERJ-12SF4422U (0.75W vs. 0.667W) create any compatibility issues?

A: No. A higher power rating is compatible with applications designed for the lower rating. The substitute will operate at lower thermal stress, which is beneficial. However, this does not justify substitution in new designs due to product status and compliance differences.

Q: What is the significance of the AEC-Q200 qualification on the ERJ-12SF4422U?

A: AEC-Q200 is an automotive industry reliability standard. This qualification is relevant only for automotive applications where such certification is required. For non-automotive applications, this qualification provides no additional value.

Q: Can I use the ERJ-12SF4422U in a RoHS-compliant product?

A: No. The ERJ-12SF4422U is RoHS non-compliant. Products requiring RoHS compliance must use the RC5025F4422CS.

Q: Are the electrical characteristics (resistance, tolerance, temperature coefficient) identical?

A: Yes. Both parts are 44.2 kOhms ±1% with ±100ppm/°C temperature coefficient and -55°C ~ 155°C operating range. Electrical performance is equivalent.

Q: What does "Moisture Sensitivity Level 1 (Unlimited)" mean for handling?

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. Both parts share this classification, simplifying inventory management.