AM50042D43-A Equivalent & Substitute Parts

Part Overview

The AM50042D43-A is a snap-action SPDT switch manufactured by Panasonic Electric Works, designed for chassis mount applications with quick connect termination. This component operates at 125V AC / 30V DC with a 100mA current rating and features a straight lever actuator. The product is currently obsolete, making identification of compatible substitute parts essential for ongoing maintenance, repair, and new design implementations where equivalent functionality is required.

Substiute Parts

AM50042D43-A

Panasonic Electric WorksIn Stock: 950AM50042D43-A Datasheet

Current PartRFQ

V7-1B17D8-122

Honeywell Sensing and Productivity SolutionsIn Stock: 811V7-1B17D8-122 Datasheet

SimilarRFQ

V7-1B17D8-122-1

Honeywell Sensing and Productivity SolutionsIn Stock: 779V7-1B17D8-122-1 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AM50042D43-A is determined by the following critical parameters:

• Circuit configuration must be SPDT (Single Pole Double Throw)
• Switch function must be On-Momentary
• Actuator type must be Lever, Straight
• Mounting type must be Chassis Mount
• Voltage rating must support minimum 125V AC operation
• Current rating must meet or exceed 100mA
• Termination style must be Quick Connect compatible
• Operating temperature range must encompass the original specification or be acceptable for the application

The substitute parts identified (V7-1B17D8-122 and V7-1B17D8-122-1) satisfy these core functional requirements. Both are manufactured by Honeywell Sensing and Productivity Solutions and maintain SPDT circuit configuration with straight lever actuation and chassis mount design.

Parameter Comparison

Engineering Selection Recommendations

V7-1B17D8-122 is the primary substitute for AM50042D43-A. This Honeywell component maintains active product status and carries RoHS compliance certification, making it suitable for new designs and ongoing production applications. The part exceeds the original current and voltage specifications while maintaining identical circuit configuration, actuator type, and mechanical life rating. The operating temperature range of -40°C to 85°C is narrower than the original specification; applications requiring operation below -25°C or above 85°C require thermal evaluation.

V7-1B17D8-122-1 is an alternative designation for the same Honeywell switch family. This variant is also active and RoHS compliant. However, detailed electrical specifications are not provided in the available documentation, requiring direct manufacturer consultation for complete parameter verification before selection.

Both Honeywell substitutes feature improved current handling capability (11A AC / 500mA DC) compared to the original 100mA rating, providing design margin for applications with variable load conditions. The quick connect termination differs in pin size (0.187" versus 0.250"), necessitating connector compatibility verification during implementation.

Frequently Asked Questions (FAQ)

Q: Can V7-1B17D8-122 directly replace AM50042D43-A without modification?

A: Functional substitution is possible based on circuit configuration, actuator type, and mounting design. However, the quick connect termination pin size differs (0.187" versus 0.250"), requiring connector adaptation or rewiring. Verify connector compatibility in your specific application before implementation.

Q: What is the difference between V7-1B17D8-122 and V7-1B17D8-122-1?

A: Both are Honeywell V7 series switches with identical base product number (V7-1) and active status. V7-1B17D8-122-1 is listed as a variant designation. Complete electrical specifications are available for V7-1B17D8-122; V7-1B17D8-122-1 specifications require manufacturer documentation review.

Q: Does the higher current rating of the Honeywell substitute affect circuit design?

A: The V7-1B17D8-122 is rated for 11A AC and 500mA DC, significantly exceeding the original 100mA specification. This provides design margin and does not require circuit modification. The switch will operate safely at the original current levels.

Q: Are there temperature range limitations with the Honeywell substitute?

A: The V7-1B17D8-122 operates from -40°C to 85°C, compared to the original -25°C to 105°C range. Applications requiring operation above 85°C or below -40°C are outside the substitute's specification and require alternative component selection.

Q: What compliance certifications apply to the substitute parts?

A: Both V7-1B17D8-122 and V7-1B17D8-122-1 are RoHS compliant and REACH unaffected. ECCN classification is EAR99 for both parts, matching the original component.