AM51665D73N-A Equivalent & Substitute Parts

Part Overview

The AM51665D73N-A is a snap-action switch manufactured by Panasonic Electric Works, configured as a SPST-NO (Single Pole Single Throw - Normally Open) device with chassis mount installation. This switch is rated for 16A AC at 125V and features a lever/roller actuator with quick connect termination. The product is currently obsolete, making identification of functionally equivalent alternatives essential for system maintenance, repair, and redesign applications where continued operation is required.

Substiute Parts

AM51665D73N-A

Panasonic Electric WorksIn Stock: 847AM51665D73N-A Datasheet

Current PartRFQ

MAA6C

APEM Inc.In Stock: 1155MAA6C Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AM51665D73N-A is determined by the following critical parameters:

• Circuit configuration must remain SPST-NO
• Switch function must be Off-Mom (momentary operation)
• Actuator type must be lever/roller configuration
• Mounting type must be chassis mount
• Termination style must be quick connect 0.250" (6.3mm)
• Current rating must support minimum 16A AC
• Voltage rating must support minimum 125V AC
• Mechanical life must meet or exceed 10,000,000 cycles

The MAA6C from APEM Inc. satisfies all substitution criteria. While it features a higher AC voltage rating (250V) and different operating force characteristics, these represent enhanced electrical capability and do not preclude functional equivalence. The mechanical life specification matches the original part exactly.

Parameter Comparison

Engineering Selection Recommendations

The MAA6C is the qualified substitute for the AM51665D73N-A based on the following engineering criteria:

Functional Equivalence: Both parts share identical circuit configuration (SPST-NO), switch function (Off-Mom), current rating (16A AC), actuator type (lever/roller), mounting type (chassis mount), and termination style (quick connect 0.250"). Mechanical life specifications are identical at 10,000,000 cycles.

Electrical Capability: The MAA6C provides enhanced voltage rating (250V AC versus 125V AC), representing a superset of the original part's electrical capability. This higher rating ensures compatibility in applications operating at or below 125V AC.

Compliance Status: The MAA6C is actively manufactured and carries RoHS3 compliance and REACH Unaffected status, providing supply chain continuity and regulatory alignment for new designs and ongoing production.

Operational Differences: The MAA6C exhibits lower operating force (343gf versus 420gf) and shorter operating position (0.579" versus 0.815"), which may affect tactile feedback and mechanical integration. The MAA6C operates across a wider low-temperature range (-40°C versus -25°C) but narrower high-temperature range (85°C versus 105°C). These differences require verification against specific application requirements.

Frequently Asked Questions (FAQ)

Q: Can the MAA6C directly replace the AM51665D73N-A in existing assemblies?

A: Direct mechanical and electrical replacement is possible due to identical mounting type, termination style, circuit configuration, and current rating. However, differences in operating force and operating position may require mechanical integration verification. Consult mechanical drawings and application specifications before implementation.

Q: What is the significance of the voltage rating difference (125V versus 250V)?

A: The MAA6C's higher voltage rating (250V AC) indicates enhanced electrical capability and does not restrict its use in 125V AC applications. The part is rated to handle higher voltages, making it suitable for the original application's voltage requirements.

Q: How do the operating force differences affect switch selection?

A: The MAA6C requires lower operating force (343gf) compared to the original part (420gf). This difference may affect actuator feel and mechanical response. Applications sensitive to actuation force characteristics should evaluate this parameter against specific requirements.

Q: Are there packaging or inventory considerations?

A: The MAA6C is supplied in tray packaging and is actively in stock (1113 pieces available), whereas the AM51665D73N-A is obsolete. The MAA6C provides reliable supply chain availability for ongoing production and maintenance applications.

Q: What temperature range limitations should be considered?

A: The MAA6C operates from -40°C to 85°C, compared to the original part's -25°C to 105°C range. Applications requiring operation above 85°C or below -40°C require alternative evaluation. Verify application temperature requirements against this specification.