MSM30 SWITCH MO NX SPDT 100MA RI (3-123-077)

Part Overview

The SCHURTER MSM30 SWITCH MO NX SPDT 100MA RI (part number 3-123-077) is a pushbutton switch designed for applications requiring single-pole double-throw (SPDT) switching with a 100mA current rating. This component is classified as obsolete, necessitating identification of active equivalent alternatives to maintain design continuity and ensure long-term supply chain reliability for new production and field replacements.

Substiute Parts

3-123-077

SCHURTER Inc.In Stock: 7533-123-077 Datasheet

Current PartRFQ

3-145-639

SCHURTER Inc.In Stock: 10933-145-639 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the MSM30 SWITCH MO NX SPDT 100MA RI is determined by the following critical parameters:

• Switch Configuration: SPDT topology must be maintained to preserve circuit functionality
• Current Rating: 100mA minimum rating required for electrical compatibility
• Manufacturer Consistency: SCHURTER Inc. maintains design and mechanical compatibility within the MSM30 series
• RoHS Compliance: ROHS3 compliance ensures regulatory alignment with current manufacturing standards

The substitute part 3-145-639 satisfies all substitution criteria through identical functional specifications and active product status, enabling direct replacement in new designs and field service applications.

Parameter Comparison

Engineering Selection Recommendations

The substitute part 3-145-639 is the recommended replacement for the obsolete 3-123-077. Both components maintain identical electrical and mechanical specifications within the MSM30 pushbutton switch series. The substitute part carries active product status, ensuring availability for current production requirements and future field service needs. Both parts meet ROHS3 compliance requirements, satisfying regulatory mandates for electronic component manufacturing and distribution.

Frequently Asked Questions (FAQ)

Q: Can part 3-145-639 be used as a direct replacement for 3-123-077? A: Yes. Both parts are SCHURTER MSM30 series pushbutton switches with identical SPDT configuration and 100mA current rating. Mechanical and electrical compatibility is maintained.

Q: What is the primary reason for substitution? A: Part 3-123-077 is classified as obsolete. Part 3-145-639 is an active equivalent that provides continued supply chain access and design continuity.

Q: Are there any compliance differences between the two parts? A: No. Both parts are ROHS3 compliant and meet current regulatory requirements for electronic component manufacturing.

Q: Does packaging differ between these parts? A: The original part is supplied in bulk packaging. Packaging specifications for the substitute part should be confirmed with the distributor for specific procurement requirements.

Q: What parameters must remain constant when selecting a substitute pushbutton switch? A: Switch configuration (SPDT), current rating (100mA), and mechanical compatibility within the MSM30 series are the critical parameters that determine substitution eligibility.