AM50033C33-A Equivalent & Substitute Parts

Part Overview

The AM50033C33-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 0.1A at 125V AC and 30V DC, featuring a straight lever actuator with quick-connect 0.187" (4.7mm) termination. The product is currently obsolete, making identification of functionally equivalent alternatives essential for system maintenance, repair, and redesign applications where the original component is no longer available.

Substiute Parts

AM50033C33-A

Panasonic Electric WorksIn Stock: 1092AM50033C33-A Datasheet

Current PartRFQ

LS0851503F040C1C

E-SwitchIn Stock: 1063LS0851503F040C1C Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AM50033C33-A is determined by the following critical parameters:

Circuit Configuration & Function: The substitute must maintain SPST-NO circuit topology with Off-Momentary switch function to preserve electrical behavior in the application.

Electrical Ratings: The substitute must support minimum 125V AC operation. The AM50033C33-A operates at 100mA; substitutes with higher current ratings (such as 15A) are acceptable as they provide equal or greater capacity.

Mechanical Interface: Chassis mount configuration with straight lever actuator and quick-connect 0.187" (4.7mm) termination must be maintained for physical compatibility.

Operating Position & Travel: The operating position of 0.602" (15.3mm) is critical for mechanical fit within the enclosure. Pretravel, differential travel, and overtravel specifications must be compatible with the application's mechanical design.

Environmental Specifications: Operating temperature range and moisture sensitivity level must meet or exceed the original specification to ensure reliability in the intended environment.

The LS0851503F040C1C from E-Switch meets these substitution criteria while offering enhanced electrical capacity and active product status.

Parameter Comparison

Engineering Selection Recommendations

The LS0851503F040C1C is a suitable substitute for the obsolete AM50033C33-A based on the following engineering criteria:

Electrical Compatibility: Both parts maintain identical SPST-NO circuit configuration and 125V AC rating. The LS0851503F040C1C's 15A AC current rating exceeds the original 100mA specification, providing margin for electrical capacity.

Mechanical Compatibility: Identical actuator type (straight lever), mounting method (chassis mount), and termination style (quick-connect 0.187") ensure direct physical replacement without enclosure modification.

Operational Compatibility: Matching operating position (0.602" / 15.3mm) confirms mechanical fit within existing mechanical designs.

Product Availability: The LS0851503F040C1C holds active product status with current manufacturing availability, addressing the obsolescence of the original part.

Compliance & Certification: Both parts carry MSL 1 rating and EAR99 ECCN classification. The LS0851503F040C1C includes RoHS3 compliance and REACH unaffected status, meeting modern regulatory requirements.

Operational Life Consideration: The original part specifies 100,000 electrical cycles and 10,000,000 mechanical cycles. The substitute provides 50,000 electrical cycles and 1,000,000 mechanical cycles. For applications requiring the original cycle life specifications, operational duty cycle validation is necessary.

Temperature Range: The original part operates across -25°C to 105°C, while the substitute operates -25°C to 85°C. Applications requiring operation above 85°C require alternative evaluation.

Frequently Asked Questions (FAQ)

Q: Can the LS0851503F040C1C directly replace the AM50033C33-A without modification?

A: Yes, for applications operating within -25°C to 85°C and not exceeding 50,000 electrical cycles. The identical mechanical interface (chassis mount, straight lever, 0.187" quick-connect termination, 0.602" operating position) and matching SPST-NO circuit configuration enable direct substitution. Verify application temperature and cycle life requirements against the substitute's specifications.

Q: Why does the substitute have lower electrical and mechanical life ratings?

A: The LS0851503F040C1C is rated for 50,000 electrical cycles and 1,000,000 mechanical cycles compared to the original's 100,000 and 10,000,000 cycles respectively. This reflects different design and manufacturing approaches between manufacturers. For applications with duty cycles below these thresholds, the substitute is suitable. Applications requiring the original cycle life must evaluate alternative parts.

Q: What is the difference in current capacity between these parts?

A: The AM50033C33-A is rated for 100mA at 125V AC/DC. The LS0851503F040C1C is rated for 15A at 125V AC. The substitute provides significantly higher current capacity, making it suitable for applications requiring the original 100mA or less. The substitute cannot be used in applications requiring DC operation above its AC rating without manufacturer consultation.

Q: Are there packaging differences between these parts?

A: The AM50033C33-A is packaged as individual units (-). The LS0851503F040C1C is supplied in bulk packaging. Verify bulk packaging compatibility with your procurement and assembly processes.

Q: What compliance certifications apply to the substitute?

A: The LS0851503F040C1C carries RoHS3 compliance and REACH unaffected status. Both parts are classified as EAR99 under export control regulations. Verify compliance requirements for your specific application and region.

Q: Is the operating temperature range difference significant?

A: The original part operates -25°C to 105°C; the substitute operates -25°C to 85°C. If your application requires operation above 85°C, the substitute is not suitable. Verify your application's maximum operating temperature requirement before selection.