AM50066D43-A Equivalent & Substitute Parts

Part Overview

The AM50066D43-A is a SPST-NO (Single Pole Single Throw - Normally Open) snap-action switch manufactured by Panasonic Electric Works. This chassis-mount switch is rated for 100mA at 125V AC and 30V DC, featuring a lever roller actuator with quick connect termination. The product is currently obsolete, making equivalent substitute parts necessary for ongoing maintenance, repair, and legacy system support applications.

Substiute Parts

AM50066D43-A

Panasonic Electric WorksIn Stock: 937AM50066D43-A Datasheet

Current PartRFQ

83265827

CrouzetIn Stock: 66783265827 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AM50066D43-A is determined by the following critical parameters:

• Circuit configuration must be SPST-NO
• Switch function must be Off-Momentary
• Actuator type must include lever and roller options
• Mounting type must be chassis mount
• Termination style must be quick connect 0.250" (6.3mm)
• Current and voltage ratings must meet or exceed the original specification
• Operating temperature range must encompass the original range or be compatible with the application environment

The Crouzet 83265827 qualifies as a substitute based on matching circuit configuration, switch function, actuator type, mounting type, and termination style. The substitute part exceeds the original current rating (5A vs. 100mA) and AC voltage rating (250V vs. 125V), providing enhanced electrical capacity for the same mechanical interface and functional behavior.

Parameter Comparison

Engineering Selection Recommendations

The Crouzet 83265827 is an active product with current manufacturing support, making it suitable for replacing the obsolete AM50066D43-A in applications requiring SPST-NO snap-action switch functionality. Both parts share identical ECCN (EAR99) and HTSUS classifications, confirming regulatory equivalence. The Crouzet substitute maintains MSL Level 1 (Unlimited) moisture sensitivity, ensuring compatibility with standard storage and handling requirements.

The substitute part's higher current rating (5A vs. 100mA) and AC voltage rating (250V vs. 125V) provide design margin for the original application circuit. The operating temperature range of the Crouzet part (-20°C to 125°C) covers the original specification range (-25°C to 105°C) with the exception of the lower temperature limit, which is 5°C higher. This difference is acceptable for most industrial and commercial applications.

Frequently Asked Questions (FAQ)

Q: Can the Crouzet 83265827 directly replace the AM50066D43-A in existing assemblies?

A: Yes, provided the mechanical mounting interface and electrical circuit are compatible. Both parts feature identical quick connect 0.250" (6.3mm) termination and chassis mount configuration. Verify that the application circuit operates within the Crouzet part's electrical specifications.

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

A: The primary differences are manufacturer origin, product status (obsolete vs. active), and electrical ratings. The Crouzet part has higher current capacity (5A vs. 100mA) and AC voltage rating (250V vs. 125V). The lower temperature limit differs by 5°C (-20°C vs. -25°C).

Q: Are there any compliance or certification differences?

A: Both parts share identical ECCN (EAR99) and HTSUS (8536.50.7000) classifications. Both maintain MSL Level 1 (Unlimited) moisture sensitivity. The Crouzet part carries RoHS Compliance and REACH Unaffected status.

Q: What mechanical parameters should be verified during substitution?

A: Confirm that the operating position (approximately 20.6mm for both), actuator travel characteristics, and mounting footprint are compatible with the application. Both parts feature lever roller actuators with similar mechanical behavior.

Q: Is the Crouzet part suitable for DC applications?

A: The provided specifications indicate the Crouzet 83265827 is rated for 5A AC. DC application compatibility should be verified against the complete Crouzet technical documentation for this series.