AM50042D33-A Equivalent & Substitute Parts

Part Overview

The AM50042D33-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 system maintenance, repair, and redesign applications.

Substiute Parts

AM50042D33-A

Panasonic Electric WorksIn Stock: 1143AM50042D33-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

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AM50042D33-A is determined by the following critical parameters:

Primary Compatibility Criteria:

• Circuit configuration must be SPDT
• Switch function must be On-Momentary
• Mounting type must be Chassis Mount
• Actuator type must be Lever, Straight
• Voltage rating (AC) must support minimum 125V
• Current rating must support minimum 100mA

Secondary Compatibility Considerations:

• Operating temperature range should encompass the original specification
• Electrical and mechanical life ratings should meet or exceed original values
• Termination style compatibility with existing circuit board or harness connections

The substitute parts V7-1B17D8-122 and V7-1B17D8-122-1 from Honeywell Sensing and Productivity Solutions meet the primary compatibility criteria. Both are active products with SPDT configuration, On-Momentary function, chassis mount design, and straight lever actuation. The Honeywell parts exceed the original current and voltage specifications, providing enhanced electrical performance margins.

Parameter Comparison

Engineering Selection Recommendations

V7-1B17D8-122 (Honeywell): This part is recommended as the primary substitute for the AM50042D33-A. It maintains identical circuit configuration, switch function, actuator type, and mounting method. The Honeywell part provides superior electrical performance with 11A AC and 500mA DC current ratings compared to the original 100mA specification. It achieves RoHS compliance and maintains active product status, ensuring long-term availability and supply chain stability. The extended DC voltage rating of 125V provides additional design margin. Note that the termination style differs (0.187" vs. 0.250" quick connect), requiring connector compatibility verification during integration.

V7-1B17D8-122-1 (Honeywell): This variant is functionally equivalent to V7-1B17D8-122 and shares identical base product number (V7-1) designation. Both Honeywell parts are RoHS compliant and maintain active product status. Selection between these two Honeywell variants should be based on specific connector and harness requirements for your application.

Frequently Asked Questions (FAQ)

Q: Can the V7-1B17D8-122 directly replace the AM50042D33-A without circuit modifications?

A: The V7-1B17D8-122 maintains functional equivalence in circuit configuration (SPDT), switch function (On-Momentary), and mechanical interface (chassis mount, straight lever). However, the termination style differs: the original uses 0.250" quick connect while the substitute uses 0.187" quick connect. Connector compatibility must be verified before installation. No circuit modifications are required if connectors are compatible.

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

A: Both parts share the same base product number (V7-1) and are functionally equivalent SPDT snap-action switches with straight lever actuation and chassis mount design. The "-1" suffix designation indicates a variant, typically related to packaging or minor configuration differences. Complete electrical specifications for V7-1B17D8-122-1 are not fully detailed in available documentation. Consult Honeywell technical data sheets for specific variant distinctions.

Q: Why is the AM50042D33-A obsolete, and what does this mean for my application?

A: Obsolete status indicates that Panasonic Electric Works has discontinued manufacturing and support for this component. This necessitates identification of active substitute parts to maintain system functionality and ensure future availability. The Honeywell V7 series parts provide active product alternatives with equivalent or superior performance characteristics.

Q: Are there any temperature range limitations when substituting with the Honeywell part?

A: The original AM50042D33-A operates from -25°C to 105°C. The V7-1B17D8-122 operates from -40°C to 85°C. The Honeywell part provides extended low-temperature capability but has a lower maximum operating temperature. If your application requires operation above 85°C, the Honeywell substitute may not be suitable. Verify your system's actual operating temperature requirements before selection.

Q: What is the impact of the different quick connect termination sizes?

A: The AM50042D33-A uses 0.250" (6.3mm) quick connect terminals, while the V7-1B17D8-122 uses 0.187" (4.7mm) terminals. These are mechanically incompatible with standard connectors designed for the opposite size. Connector compatibility must be verified or appropriate adapter solutions implemented during integration. Consult your circuit board or harness documentation for terminal specifications.

Q: Do the Honeywell substitutes meet current regulatory requirements?

A: Yes. Both V7-1B17D8-122 and V7-1B17D8-122-1 are RoHS compliant and REACH unaffected, meeting current environmental and regulatory standards. The original AM50042D33-A RoHS status is not specified. If regulatory compliance is a requirement for your application, the Honeywell parts provide documented compliance assurance.