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AM50653D33-A Equivalent & Substitute Parts
Part Overview
The AM50653D33-A is a snap-action switch manufactured by Panasonic Electric Works, configured as a single-pole, single-throw normally-closed (SPST-NC) device rated for 6A at 125V AC. This chassis-mount switch features a straight lever actuator with quick-connect 0.250" (6.3mm) termination and is designed for momentary on operation. The product is currently obsolete, making identification of functionally equivalent alternatives essential for system maintenance, repair, and redesign applications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | AM50653D33-A |
| Manufacturer | Panasonic Electric Works |
| Circuit Configuration | SPST-NC |
| Switch Function | On-Mom (Momentary) |
| Current Rating (AC) | 6A |
| Voltage Rating (AC) | 125V |
| Actuator Type | Lever, Straight |
| Mounting Type | Chassis Mount |
| Termination Style | Quick Connect - 0.250" (6.3mm) |
| Operating Temperature Range | -25°C to 105°C |
| Electrical Life | 100,000 Cycles |
| Mechanical Life | 10,000,000 Cycles |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution eligibility for the AM50653D33-A is determined by the following critical parameters:
- Circuit Configuration: SPST-NC topology must be maintained
- Switch Function: Momentary (On-Mom) operation required
- Current Rating: Minimum 6A AC capability
- Voltage Rating: Minimum 125V AC rating
- Actuator Type: Lever, straight configuration
- Mounting Type: Chassis mount interface
- Termination Style: Quick connect 0.250" (6.3mm) terminals
- Electrical Life: Minimum 100,000 cycles
- Mechanical Life: Minimum 10,000,000 cycles
The Crouzet 831607B3.A meets all mandatory substitution criteria. While it features a higher AC voltage rating (250V) and different operating temperature range (-40°C to 85°C), these parameters represent equal or superior capability and do not restrict its use in applications designed for the original part.
Parameter Comparison
| Parameter | AM50653D33-A (Panasonic) | 831607B3.A (Crouzet) |
|---|---|---|
| Circuit Configuration | SPST-NC | SPST-NC |
| Switch Function | On-Mom | On-Mom |
| Current Rating (AC) | 6A | 6A |
| Voltage Rating (AC) | 125V | 250V |
| Actuator Type | Lever, Straight | Lever, Straight |
| Mounting Type | Chassis Mount | Chassis Mount |
| Termination Style | Quick Connect - 0.250" (6.3mm) | Quick Connect - 0.250" (6.3mm) |
| Operating Temperature Range | -25°C to 105°C | -40°C to 85°C |
| Electrical Life | 100,000 Cycles | 100,000 Cycles |
| Mechanical Life | 10,000,000 Cycles | 10,000,000 Cycles |
| Product Status | Obsolete | Active |
Engineering Selection Recommendations
The Crouzet 831607B3.A is a direct functional equivalent for the obsolete Panasonic AM50653D33-A. Selection should be based on the following factors:
Compliance and Certification: The Crouzet substitute carries RoHS Compliant status, whereas the original part lists REACH Unaffected. Both parts share identical ECCN (EAR99) and REACH status classifications, ensuring regulatory compatibility in most jurisdictions.
Electrical Performance: The Crouzet part exceeds the original specification with a 250V AC rating versus 125V AC, providing additional voltage margin without compromising current capacity. Both parts maintain 6A AC current rating and 100,000-cycle electrical life.
Mechanical Compatibility: Identical actuator geometry (lever, straight), mounting interface (chassis mount), and termination style (quick connect 0.250") ensure direct mechanical substitution without enclosure or wiring modifications.
Operating Environment: The Crouzet part operates across -40°C to 85°C, which is narrower than the original -25°C to 105°C range. Applications requiring operation above 85°C or below -40°C must retain the original specification or identify alternative sources.
Availability: The Crouzet 831607B3.A is currently active in production with confirmed inventory, whereas the original part is obsolete.
Frequently Asked Questions (FAQ)
Q: Can the Crouzet 831607B3.A directly replace the Panasonic AM50653D33-A without circuit modifications?
A: Yes. Both parts share identical circuit configuration (SPST-NC), current rating (6A AC), actuator type (lever, straight), mounting type (chassis mount), and termination style (quick connect 0.250"). No circuit or mechanical modifications are required.
Q: Does the higher voltage rating (250V) of the Crouzet part affect compatibility?
A: No. A higher voltage rating indicates greater electrical stress capability and does not restrict operation in circuits designed for 125V. The part is fully compatible with the original 125V specification.
Q: What is the impact of the different operating temperature ranges?
A: The Crouzet part operates from -40°C to 85°C, compared to the original -25°C to 105°C. Applications requiring operation above 85°C or below -40°C cannot use the Crouzet substitute and require alternative sourcing.
Q: Are there compliance differences between the two parts?
A: The Crouzet part is RoHS Compliant, while the original part lists REACH Unaffected. Both share identical ECCN (EAR99) classification. Verify compliance requirements for your specific application and jurisdiction before selection.
Q: What is the mechanical life expectancy of the substitute part?
A: The Crouzet 831607B3.A maintains 10,000,000 mechanical cycles, identical to the original part, ensuring equivalent durability for momentary switch applications.
Q: Are the quick-connect terminals identical between both parts?
A: Yes. Both parts use quick-connect 0.250" (6.3mm) termination, ensuring direct compatibility with existing wiring harnesses and connectors.
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