AM1703K Equivalent & Substitute Parts

Part Overview

The AM1703K is a snap action switch manufactured by Panasonic Electric Works, featuring SPDT (Single Pole Double Throw) circuit configuration with On-Momentary switch function. This component is rated for 10A AC at 125V and 500mA DC at 125V, with lever and roller actuator options and chassis mount termination via screw terminals. The product is currently obsolete, making identification of compatible substitute components essential for system maintenance, repair, and redesign applications.

Substiute Parts

AM1703K
Panasonic Electric WorksIn Stock: 850AM1703K Datasheet
AM1703K
Current Part
BZ-2RW82-A2
Honeywell Sensing and Productivity SolutionsIn Stock: 2092BZ-2RW82-A2 Datasheet
BZ-2RW82-A2
Direct

Key Parameters

Parameter Value
Manufacturer Part Number AM1703K
Manufacturer Panasonic Electric Works
Circuit Configuration SPDT
Switch Function On-Momentary
Current Rating (AC) 10A @ 125V
Current Rating (DC) 500mA @ 125V
Actuator Type Lever, Roller
Mounting Type Chassis Mount
Termination Style Screw Terminal
Operating Temperature Range -25°C to 80°C
Product Status Obsolete

Substitute Part Grouping Explanation

Substitution of the AM1703K is determined by the following critical parameters:

  • Circuit Configuration: Must be SPDT to maintain electrical functionality
  • Switch Function: Must be On-Momentary to preserve operational behavior
  • Voltage Rating: Must support minimum 125V AC and 125V DC
  • Current Rating: Substitute must meet or exceed 10A AC requirement
  • Actuator Type: Must include lever and roller options for mechanical compatibility
  • Mounting Type: Must be chassis mount to fit existing mechanical interfaces
  • Termination Style: Must use screw terminal for connection compatibility

The BZ-2RW82-A2 from Honeywell Sensing and Productivity Solutions satisfies all substitution criteria. This component maintains identical SPDT circuit configuration and On-Momentary function, supports the required voltage ratings, and exceeds the current rating specification at 15A AC. Mechanical parameters including actuator type, mounting configuration, and termination style are compatible with the original design.

Parameter Comparison

Parameter AM1703K (Panasonic) BZ-2RW82-A2 (Honeywell)
Circuit Configuration SPDT SPDT
Switch Function On-Momentary On-Momentary
Current Rating (AC) 10A 15A
Current Rating (DC) 500mA 500mA
Voltage Rating (AC) 125V 125V
Voltage Rating (DC) 125V 125V
Actuator Type Lever, Roller Lever, Roller
Mounting Type Chassis Mount Chassis Mount
Termination Style Screw Terminal Screw Terminal
Operating Temperature Range -25°C to 80°C -55°C to 85°C
Mechanical Life 5,000,000 Cycles 20,000,000 Cycles
Product Status Obsolete Active

Engineering Selection Recommendations

The BZ-2RW82-A2 is the qualified substitute for the obsolete AM1703K. Selection is based on the following engineering factors:

Functional Compatibility: Both components share identical SPDT circuit configuration and On-Momentary switch function, ensuring direct functional replacement in existing applications.

Electrical Specifications: The BZ-2RW82-A2 meets all voltage requirements (125V AC and DC) and exceeds the current rating specification, providing enhanced capacity margin for the application.

Mechanical Interface: Chassis mount configuration with screw terminal termination and lever/roller actuator options ensures physical and electrical compatibility with existing mounting and connection infrastructure.

Product Status and Availability: The BZ-2RW82-A2 is active in production with documented inventory availability, addressing the obsolescence of the AM1703K and ensuring long-term supply chain continuity.

Compliance and Certifications: The BZ-2RW82-A2 carries ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for electronic component procurement.

Frequently Asked Questions (FAQ)

Q: Can the BZ-2RW82-A2 directly replace the AM1703K without circuit modification?

A: Yes. Both components feature identical SPDT circuit configuration, On-Momentary function, and voltage ratings. The BZ-2RW82-A2 provides higher current capacity (15A vs. 10A AC), which is compatible with applications designed for the lower-rated original component.

Q: Are the mechanical dimensions and mounting interfaces identical?

A: Both components are chassis mount with screw terminal termination and lever/roller actuator options. Mechanical compatibility is maintained for existing mounting interfaces.

Q: What is the difference in operating temperature range?

A: The BZ-2RW82-A2 operates across -55°C to 85°C, compared to the AM1703K range of -25°C to 80°C. This extended range provides additional operational margin for temperature-sensitive applications.

Q: Does the BZ-2RW82-A2 have superior mechanical durability?

A: The BZ-2RW82-A2 is rated for 20,000,000 mechanical cycles compared to 5,000,000 cycles for the AM1703K, indicating extended component life expectancy in high-cycle applications.

Q: What packaging format is available for the BZ-2RW82-A2?

A: The BZ-2RW82-A2 is supplied in bulk packaging, suitable for production assembly and component integration workflows.

Q: Are there any compliance or regulatory differences between the two components?

A: The BZ-2RW82-A2 carries ROHS3 compliance and REACH unaffected status, meeting current environmental and regulatory standards. The AM1703K, being obsolete, may not meet current procurement compliance requirements.

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