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AM50625C33-A Equivalent & Substitute Parts
Part Overview
The AM50625C33-A is a snap-action switch manufactured by Panasonic Electric Works, configured as a single-pole, single-throw normally-closed (SPST-NC) device with chassis mount termination. This component is rated for 6A AC at 125V and features a lever-roller actuator with quick-connect 0.187" (4.7mm) termination. The product is currently obsolete, making identification of functionally equivalent alternatives necessary for ongoing maintenance, repair, and legacy system support.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Circuit Configuration | SPST-NC |
| Switch Function | On-Momentary |
| Current Rating (AC) | 6A |
| Current Rating (DC) | 500mA |
| Voltage Rating (AC) | 125V |
| Voltage Rating (DC) | 125V |
| Actuator Type | Lever, Roller |
| Mounting Type | Chassis Mount |
| Termination Style | Quick Connect - 0.187" (4.7mm) |
| Operating Temperature Range | -25°C to 105°C |
| Electrical Life | 100,000 Cycles |
| Mechanical Life | 10,000,000 Cycles |
Substitute Part Grouping Explanation
Substitution eligibility for the AM50625C33-A is determined by strict alignment with the following critical parameters:
Circuit and Function Compatibility: The substitute must maintain SPST-NC configuration with On-Momentary switch function to preserve circuit behavior in the original application.
Electrical Ratings: The substitute must meet or exceed the AC voltage rating of 125V and AC current rating of 6A. DC ratings of 125V and 500mA must also be supported.
Mechanical Interface: Chassis mount configuration with quick-connect 0.187" (4.7mm) termination is mandatory for direct physical replacement without adapter modifications.
Actuator Specification: Lever-roller actuator type ensures consistent mechanical engagement and operational feel within the original system design.
Operating Envelope: Temperature range compatibility and mechanical life specifications ensure reliable long-term operation in the intended application environment.
The TFCFK6SA1040W from C&K meets these substitution criteria while offering enhanced electrical performance characteristics.
Parameter Comparison
| Parameter | AM50625C33-A (Panasonic) | TFCFK6SA1040W (C&K) |
|---|---|---|
| Manufacturer | Panasonic Electric Works | C&K |
| Circuit Configuration | SPST-NC | SPST-NC |
| Switch Function | On-Momentary | On-Momentary |
| Current Rating (AC) | 6A | 11A |
| Current Rating (DC) | 500mA | 500mA |
| Voltage Rating (AC) | 125V | 277V |
| Voltage Rating (DC) | 125V | 125V |
| Actuator Type | Lever, Roller | Lever, Roller |
| Mounting Type | Chassis Mount | Chassis Mount |
| Termination Style | Quick Connect - 0.187" (4.7mm) | Quick Connect - 0.187" (4.7mm) |
| Operating Temperature Range | -25°C to 105°C | -40°C to 85°C |
| Operating Force | 60gf | 65gf |
| Release Force | 10gf | 10gf |
| Product Status | Obsolete | Active |
Engineering Selection Recommendations
The TFCFK6SA1040W is a qualified substitute for the AM50625C33-A based on the following engineering criteria:
Functional Equivalence: Both components share identical circuit configuration (SPST-NC), switch function (On-Momentary), actuator type (Lever-Roller), mounting method (Chassis Mount), and termination style (Quick Connect 0.187"). These parameters ensure direct functional replacement without circuit redesign.
Electrical Performance: The TFCFK6SA1040W exceeds the original part's electrical specifications, supporting 11A AC at 277V compared to the AM50625C33-A's 6A at 125V. This enhanced rating provides margin for applications operating at the original voltage and current limits.
Compliance Status: The TFCFK6SA1040W is RoHS3 compliant and REACH affected, reflecting current regulatory standards. The AM50625C33-A is REACH unaffected due to its obsolete status. Both components carry EAR99 ECCN classification.
Product Availability: The TFCFK6SA1040W maintains active product status with current manufacturing support, ensuring long-term availability for replacement and new applications. The AM50625C33-A is obsolete with no ongoing production.
Mechanical Life Consideration: The AM50625C33-A specifies 10,000,000 mechanical cycles. The TFCFK6SA1040W does not provide mechanical life data in the available specifications; applications requiring documented mechanical life performance should reference C&K technical documentation.
Frequently Asked Questions (FAQ)
Q: Can the TFCFK6SA1040W directly replace the AM50625C33-A without modifications?
A: Yes. Both components share identical circuit configuration, switch function, actuator type, mounting method, and termination style. Direct substitution is possible without circuit or mechanical modifications.
Q: What are the key differences between these two switches?
A: The TFCFK6SA1040W provides higher AC voltage rating (277V vs. 125V) and higher AC current rating (11A vs. 6A). Operating temperature range differs: AM50625C33-A operates -25°C to 105°C, while TFCFK6SA1040W operates -40°C to 85°C. Operating force is slightly higher on the substitute (65gf vs. 60gf).
Q: Is the TFCFK6SA1040W suitable for applications originally designed for the AM50625C33-A?
A: Yes. The substitute meets or exceeds all critical electrical and mechanical parameters required by the original design. The enhanced ratings provide additional performance margin.
Q: Are there packaging differences between these components?
A: The AM50625C33-A is packaged in standard format, while the TFCFK6SA1040W is supplied in bulk packaging. Both use identical quick-connect 0.187" (4.7mm) termination and chassis mount configuration.
Q: What compliance certifications apply to the TFCFK6SA1040W?
A: The TFCFK6SA1040W is RoHS3 compliant and REACH affected. Both components carry EAR99 ECCN classification for export control purposes.
Q: Why is the AM50625C33-A obsolete?
A: The AM50625C33-A is listed as obsolete, indicating Panasonic Electric Works has discontinued production. The TFCFK6SA1040W from C&K remains in active production and is the recommended alternative for new designs and legacy system replacements.
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