MOS2CT52R430J Equivalent & Substitute Parts

Part Overview

The MOS2CT52R430J is a 43 Ohm, 2W through-hole axial resistor manufactured by KOA Speer Electronics, Inc. This metal oxide film resistor features flame retardant coating and safety design, operating across a temperature range of -55°C to 200°C. The component is classified as Active product status with full RoHS3 compliance and REACH unaffected designation. Substitute parts are identified when equivalent electrical specifications, mechanical compatibility, and regulatory compliance align with the original component requirements.

Substiute Parts

MOS2CT52R430J

KOA Speer Electronics, Inc.In Stock: 2545MOS2CT52R430J Datasheet

Current PartRFQ

RSF200JB-73-43R

YAGEOIn Stock: 4336RSF200JB-73-43R Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MOS2CT52R430J is determined by the following critical parameters:

Electrical Specifications: Resistance value (43 Ohms), tolerance (±5%), and power rating (2W) must be identical. Composition must be metal oxide film to maintain thermal and electrical characteristics.

Mechanical Compatibility: Package type must be axial with two terminations to ensure direct board-level compatibility without layout modifications.

Environmental & Regulatory Compliance: Operating temperature range must encompass or exceed the original specification (-55°C ~ 200°C). RoHS3 compliance and REACH unaffected status are mandatory for regulatory alignment.

Safety Features: Flame retardant or flame proof coating is required to maintain safety classification.

The substitute part RSF200JB-73-43R meets all critical substitution criteria across electrical, mechanical, and compliance parameters.

Parameter Comparison

Engineering Selection Recommendations

Both the MOS2CT52R430J and RSF200JB-73-43R are Active product status components with full RoHS3 compliance and REACH unaffected certification. The substitute part RSF200JB-73-43R provides an extended operating temperature range (-55°C ~ 235°C) compared to the original specification, offering enhanced thermal performance margin. Both components maintain identical electrical specifications (43 Ohms, ±5%, 2W) and metal oxide film composition.

Physical dimensions differ between the two parts: the MOS2CT52R430J measures 4.00mm diameter by 12.00mm length, while the RSF200JB-73-43R measures 5.00mm diameter by 15.50mm length. This dimensional variance requires verification of available board space and lead routing during component substitution.

Selection between these parts should be based on inventory availability, packaging requirements (Cut Tape versus Bulk), and physical space constraints within the target application.

Frequently Asked Questions (FAQ)

Q: Can RSF200JB-73-43R directly replace MOS2CT52R430J without circuit redesign?

A: Electrical substitution is direct due to identical resistance, tolerance, power rating, and composition specifications. However, physical dimensions differ (4.00mm x 12.00mm versus 5.00mm x 15.50mm), requiring verification that board layout accommodates the larger substitute component.

Q: What is the significance of the extended operating temperature range in RSF200JB-73-43R?

A: The RSF200JB-73-43R operates to 235°C versus 200°C for the MOS2CT52R430J. This extended range provides additional thermal margin but does not alter electrical performance within the original specification range.

Q: Are both parts suitable for high-reliability applications?

A: Both components carry RoHS3 compliance and REACH unaffected status. The MOS2CT52R430J features flame retardant coating while the RSF200JB-73-43R features flame proof construction. Both meet safety requirements for their respective classifications.

Q: What packaging differences exist between these parts?

A: The MOS2CT52R430J is supplied in Cut Tape (CT) packaging, while the RSF200JB-73-43R is supplied in Bulk packaging. Packaging selection depends on assembly process requirements and inventory management practices.

Q: Is temperature coefficient specification critical for substitution?

A: The MOS2CT52R430J specifies ±300ppm/°C temperature coefficient. The RSF200JB-73-43R does not provide this specification in the available data. For applications requiring precise temperature coefficient matching, this parameter should be confirmed with the manufacturer before substitution.