AM51153D43N-A Equivalent & Substitute Parts

Part Overview

The AM51153D43N-A is a snap-action switch manufactured by Panasonic Electric Works, configured as a single-pole, single-throw normally-closed (SPST-NC) device with chassis mount installation. This component is rated for 11A AC at 125V and features a straight lever actuator with quick-connect termination. The product is currently obsolete, making identification of functionally equivalent alternatives necessary for system maintenance, repair, and redesign applications where continued supply cannot be guaranteed.

Substiute Parts

AM51153D43N-A

Panasonic Electric WorksIn Stock: 946AM51153D43N-A Datasheet

Current PartRFQ

83264623

CrouzetIn Stock: 104383264623 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AM51153D43N-A is determined by the following critical parameters:

• Circuit Configuration: Must be SPST-NC to maintain electrical function
• Switch Function: Must be On-Mom (momentary action)
• Actuator Type: Must be lever-actuated, straight configuration
• Mounting Type: Must be chassis mount
• Termination Style: Must be quick-connect 0.250" (6.3mm) for mechanical compatibility
• Current and Voltage Ratings: Substitute must meet or exceed the 11A AC @ 125V requirement
• Operating Temperature Range: Must encompass or exceed -25°C to 105°C
• Mechanical Life: Must support the application's cycle requirements

The Crouzet 83264623 qualifies as a substitute based on matching circuit configuration (SPST-NC), switch function (On-Mom), actuator type (lever, straight), mounting type (chassis mount), and termination style (quick-connect 0.250"). The substitute exceeds the current rating (12A AC) and voltage rating (250V AC), providing margin for the original application parameters.

Parameter Comparison

Engineering Selection Recommendations

The Crouzet 83264623 is suitable as a substitute for the obsolete AM51153D43N-A based on the following factors:

Electrical Compatibility: The substitute meets all electrical requirements with higher current (12A vs. 11A) and voltage (250V vs. 125V) ratings, providing operational margin for the original application.

Mechanical Compatibility: Identical actuator type, mounting configuration, and termination style ensure direct physical replacement without enclosure or wiring modifications.

Product Status: The Crouzet part is active and in production, ensuring long-term availability and supply continuity compared to the obsolete Panasonic component.

Compliance: Both components carry EAR99 classification. The Crouzet part is RoHS Compliant and REACH Unaffected, meeting modern regulatory requirements.

Operational Considerations: The substitute operates across a wider temperature range (-20°C to 125°C vs. -25°C to 105°C). The mechanical life rating of 1,000,000 cycles is lower than the original 10,000,000 cycles; applications requiring extended cycle life should evaluate this parameter against actual duty cycle requirements.

Frequently Asked Questions (FAQ)

Q: Can the Crouzet 83264623 directly replace the AM51153D43N-A without modifications?

A: Yes. Both components share identical circuit configuration (SPST-NC), actuator type (lever, straight), mounting type (chassis mount), and termination style (quick-connect 0.250"). No enclosure or wiring changes are required for physical installation.

Q: What are the key differences between these two switches?

A: The primary differences are current rating (12A vs. 11A AC), voltage rating (250V vs. 125V AC), operating force (25gf vs. 30gf), and mechanical life (1,000,000 vs. 10,000,000 cycles). The Crouzet part operates across a wider temperature range and is currently in active production.

Q: Is the lower mechanical life rating of the Crouzet part a concern?

A: The mechanical life rating depends on the application's actual cycle frequency. For applications operating well below 1,000,000 total cycles over the component's service life, this difference is not a limiting factor. Applications with high-frequency cycling should evaluate cumulative cycle requirements.

Q: Are there any compliance or certification differences?

A: The Crouzet 83264623 is RoHS Compliant and REACH Unaffected, meeting current environmental regulations. Both components carry EAR99 classification. The Panasonic part is obsolete and no longer manufactured.

Q: What is the operating force difference, and does it affect functionality?

A: The Crouzet part requires 25gf operating force compared to 30gf for the Panasonic part. This 5gf difference is within typical mechanical tolerance ranges and does not affect functional compatibility. User actuation force perception will be negligibly different.

Q: Can the substitute be used in applications requiring the full -25°C to 105°C temperature range?

A: The Crouzet part operates from -20°C to 125°C. Applications requiring operation below -20°C should not use this substitute. Applications within -20°C to 105°C are fully compatible.