MSS-89STW Equivalent & Substitute Parts

Part Overview

The MSS-89STW is a magnetic ball switch sensor manufactured by Magnasphere Corp, classified as a magnetic sensor with SPST-NO (Single Pole Single Throw - Normally Open) output configuration. This component features wire leads termination and operates as a magnetically actuated switch module.

The MSS-89STW is currently listed with obsolete product status. Identifying equivalent substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production or maintenance requirements for systems utilizing this magnetic sensor technology.

Substiute Parts

MSS-89STW

Magnasphere CorpIn Stock: 690MSS-89STW Datasheet

Current PartRFQ

MSS-63S

Magnasphere CorpIn Stock: 823MSS-63S Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MSS-89STW is determined by the following critical parameters:

Primary Substitution Criteria:

• Magnetic sensor category classification
• Ball switch type configuration
• SPST-NO output type (Normally Open contact logic)
• Magnet actuator material
• Wire leads termination style
• Module package configuration

The MSS-63S qualifies as a direct substitute based on matching all primary functional and electrical parameters. Both components belong to the Magnasphere Corp MSS series, share identical output switching logic, actuator technology, and termination methodology. The substitution maintains functional equivalence for applications requiring magnetic ball switch sensors with wire lead connections and SPST-NO switching characteristics.

Parameter Comparison

Engineering Selection Recommendations

MSS-63S Selection Rationale:

The MSS-63S is the designated manufacturer-recommended substitute for the obsolete MSS-89STW. This substitution is supported by:

1. Functional Equivalence: Both components share identical electrical switching characteristics (SPST-NO output), magnetic actuation principle, and wire lead termination configuration.

2. Product Status Advantage: The MSS-63S maintains active product status with current manufacturing support, ensuring long-term availability and supply chain continuity compared to the obsolete MSS-89STW.

3. Regulatory Compliance: The MSS-63S carries ROHS3 compliance certification, meeting current environmental and material restriction standards. Both components share EAR99 export classification.

4. Series Continuity: Both components belong to the Magnasphere Corp MSS series, maintaining design consistency within the product family.

5. Inventory Availability: The MSS-63S is currently stocked with 774 pieces in new original condition, providing immediate procurement capability.

For applications currently utilizing the MSS-89STW, direct substitution with the MSS-63S is supported without modification to electrical interface, switching logic, or mechanical mounting requirements.

Frequently Asked Questions (FAQ)

Q: Can the MSS-63S directly replace the MSS-89STW in existing designs?

A: Yes. Both components share identical output type (SPST-NO), actuator material (magnet), termination style (wire leads), and package configuration (module). No circuit modifications are required for substitution.

Q: What is the primary reason for substituting the MSS-89STW?

A: The MSS-89STW is classified as obsolete product. The MSS-63S is the manufacturer-recommended active substitute, ensuring continued availability and manufacturing support.

Q: Are there differences in packaging between these components?

A: The MSS-89STW packaging type is not specified in available documentation. The MSS-63S is supplied in bag packaging. Verify packaging requirements for your specific application workflow.

Q: Does the MSS-63S meet current environmental standards?

A: Yes. The MSS-63S is ROHS3 compliant, meeting current environmental material restriction requirements. The MSS-89STW is listed as REACH Unaffected.

Q: Are both components classified under the same export control category?

A: Yes. Both the MSS-89STW and MSS-63S are classified as EAR99 under export control regulations.

Q: What inventory status should be considered for procurement planning?

A: The MSS-63S has 774 pieces in new original stock, providing immediate availability. The MSS-89STW has 670 pieces in stock but is obsolete. For new designs or long-term production, the MSS-63S is the recommended selection.