AM50040C33-A Equivalent & Substitute Parts

Part Overview

The AM50040C33-A is a snap-action switch manufactured by Panasonic Electric Works, configured as a single-pole double-throw (SPDT) device with momentary operation. This component is rated for 0.1A at 125V AC and 30V DC, featuring a round pin plunger actuator and chassis mount configuration with quick connect termination.

The AM50040C33-A is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance requirements for systems utilizing this component.

Substiute Parts

AM50040C33-A

Panasonic Electric WorksIn Stock: 940AM50040C33-A Datasheet

Current PartRFQ

83161806

CrouzetIn Stock: 78583161806 Datasheet

SimilarRFQ

LS0851500F250C1A

E-SwitchIn Stock: 993LS0851500F250C1A Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the AM50040C33-A is determined by the following critical parameters:

• Circuit configuration must be SPDT
• Switch function must be On-Mom (momentary operation)
• Actuator type must be round pin plunger
• Mounting type must be chassis mount
• Operating position must be 0.579" (14.7mm)
• Termination style compatibility with quick connect standards

Two substitute parts meet these core criteria with variations in electrical ratings and mechanical specifications:

LS0851500F250C1A (E-Switch): Maintains identical circuit, function, actuator, mounting, and operating position. Termination style matches at 0.187" (4.7mm). Current rating is higher at 15A AC; voltage rating is 125V AC, matching the original AC specification.

83161806 (Crouzet): Maintains identical circuit, function, actuator, mounting, and operating position. Termination style differs at 0.250" (6.3mm). Current rating is significantly higher at 5A AC; voltage rating is 250V AC. Includes IP40 ingress protection rating.

Parameter Comparison

Engineering Selection Recommendations

LS0851500F250C1A (E-Switch) is the primary substitute candidate. This part maintains identical termination style (0.187" quick connect), matching voltage rating at 125V AC, and all core mechanical parameters. The part is currently active in production with ROHS3 compliance certification. The higher current rating of 15A AC provides operational margin above the original 100mA specification. The lower mechanical life rating (1,000,000 cycles versus 10,000,000 cycles) and reduced upper operating temperature limit (-25°C to 85°C versus -25°C to 105°C) require evaluation against specific application duty cycles and thermal environment.

83161806 (Crouzet) is a secondary substitute option. This part offers the highest mechanical life rating (20,000,000 cycles) and the widest operating temperature range (-60°C to 150°C). RoHS compliance is confirmed. The termination style differs at 0.250" (6.3mm), requiring connector or wiring harness modification. The voltage rating of 250V AC exceeds the original specification, providing additional margin. The current rating of 5A AC is substantially higher than the original 100mA requirement. IP40 ingress protection is included.

Selection between these substitutes depends on termination compatibility requirements, mechanical life expectations, and thermal operating environment specifications.

Frequently Asked Questions (FAQ)

Q: Can LS0851500F250C1A be used as a direct replacement for AM50040C33-A?

A: LS0851500F250C1A maintains identical termination style, circuit configuration, switch function, actuator type, mounting type, and operating position. The part is electrically compatible at the specified 125V AC rating. Direct mechanical substitution is possible without connector modification. Operational differences include higher current capacity (15A versus 100mA), lower mechanical life rating, and reduced upper temperature limit.

Q: What is the primary difference between the two substitute parts?

A: The primary difference is termination style. LS0851500F250C1A uses 0.187" (4.7mm) quick connect, matching the original part. 83161806 uses 0.250" (6.3mm) quick connect, requiring connector or wiring modification. Secondary differences include current rating (15A versus 5A), voltage rating (125V versus 250V), mechanical life (1,000,000 versus 20,000,000 cycles), and operating temperature range.

Q: Is the higher current rating of the substitute parts a concern?

A: No. Higher current ratings indicate increased capacity and do not create compatibility issues when applied to circuits designed for lower current draw. The original 100mA requirement is well within the capacity of both substitute parts.

Q: What compliance certifications are available for the substitute parts?

A: LS0851500F250C1A carries ROHS3 compliance certification. 83161806 carries RoHS compliance certification. Both parts are REACH unaffected and classified as EAR99 for export control purposes.

Q: Does 83161806 include any additional features?

A: Yes. 83161806 includes IP40 ingress protection rating, providing sealed operation against dust and liquid splash. The original AM50040C33-A does not specify ingress protection.

Q: Which substitute part has the longer mechanical life?

A: 83161806 is rated for 20,000,000 mechanical cycles, compared to 1,000,000 cycles for LS0851500F250C1A and 10,000,000 cycles for the original part.

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

A: LS0851500F250C1A operates from -25°C to 85°C, which is narrower than the original -25°C to 105°C range. 83161806 operates from -60°C to 150°C, which is wider. Application thermal requirements must be evaluated against these ranges.