AM51642C73N-A Equivalent & Substitute Parts

Part Overview

The AM51642C73N-A is a snap action SPDT switch manufactured by Panasonic Electric Works, designed for chassis mount applications with 16A AC and 600mA DC current capacity at 125V. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing system maintenance, repairs, and new designs requiring compatible functionality.

Substiute Parts

AM51642C73N-A

Panasonic Electric WorksIn Stock: 912AM51642C73N-A Datasheet

Current PartRFQ

83261042

CrouzetIn Stock: 92483261042 Datasheet

SimilarRFQ

TFS10ST2040C

C&KIn Stock: 1266TFS10ST2040C Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AM51642C73N-A is determined by the following critical parameters:

Primary Compatibility Criteria:

• Circuit configuration: SPDT
• Switch function: On-Mom
• Mounting type: Chassis Mount
• Termination style: Quick Connect - 0.187" (4.7mm)
• Actuator type: Lever, Straight

Electrical Compatibility Criteria:

• Current rating must meet or exceed 16A AC requirement
• Voltage rating must meet or exceed 125V AC requirement
• Operating temperature range must encompass or exceed -25°C to 105°C

The substitute parts listed below satisfy the primary compatibility criteria. Electrical parameter variations are documented in the comparison table for engineering evaluation.

Parameter Comparison

Engineering Selection Recommendations

Crouzet 83261042: This part maintains the 16A AC current rating and provides higher voltage rating (250V AC) than the original specification. Product status is active with RoHS compliance. Mechanical life is reduced to 1,000,000 cycles compared to the original 10,000,000 cycles. Operating temperature range extends to 125°C maximum.

C&K TFS10ST2040C: This part provides active product status with ROHS3 compliance and maintains 10,000,000 cycle mechanical life equivalent to the original. Current rating is reduced to 10A AC, which does not meet the original 16A AC specification. Voltage rating matches at 125V AC. Operating temperature range is limited to -40°C to 85°C, which does not fully encompass the original -25°C to 105°C range.

Frequently Asked Questions (FAQ)

Q: Can the Crouzet 83261042 directly replace the AM51642C73N-A?

A: The Crouzet 83261042 maintains SPDT circuit configuration, On-Mom function, chassis mount type, and 0.187" quick connect termination. It meets the 16A AC current requirement and exceeds the 125V AC voltage specification at 250V AC. However, mechanical life is reduced from 10,000,000 to 1,000,000 cycles. Application duty cycle must be evaluated against this parameter.

Q: Is the C&K TFS10ST2040C suitable for 16A AC applications?

A: No. The TFS10ST2040C is rated for 10A AC maximum, which does not meet the original 16A AC requirement. This part is suitable only for applications requiring 10A AC or less.

Q: What are the mounting and termination compatibility considerations?

A: All listed substitute parts use identical chassis mount configuration and 0.187" (4.7mm) quick connect termination, ensuring mechanical and electrical interface compatibility with the original AM51642C73N-A.

Q: How do operating temperature ranges compare?

A: The original AM51642C73N-A operates from -25°C to 105°C. The Crouzet 83261042 extends to 125°C maximum but starts at -20°C. The C&K TFS10ST2040C operates from -40°C to 85°C, which does not cover the full upper temperature range of the original specification.