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C&K 7101MPY1ZGE Toggle Switch SPDT 5A 120V Equivalent & Substitute Parts
Part Overview
The C&K 7101MPY1ZGE is a panel-mount toggle switch with SPDT (Single Pole Double Throw) configuration, rated for 5A at 120V AC and 28V DC. This switch features an anti-rotation brass actuator with epoxy-sealed solder lug terminals, designed for industrial control applications requiring reliable on-on switching. The part is currently active in production with ROHS3 compliance and unlimited moisture sensitivity rating.
Substitute parts become necessary when the original manufacturer part is unavailable, when design requirements allow for alternative actuator types or electrical life ratings, or when sourcing from alternative manufacturers offers inventory or cost advantages while maintaining functional compatibility.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 7101MPY1ZGE |
| Manufacturer | C&K |
| Circuit Configuration | SPDT |
| Switch Function | On-On |
| Current Rating | 5A (AC/DC) |
| Voltage Rating - AC | 120V |
| Voltage Rating - DC | 28V |
| Mounting Type | Panel Mount |
| Panel Cutout Diameter | 6.35mm Circular |
| Bushing Thread | 1/4-40 |
| Termination Style | Solder Lug |
| Operating Temperature Range | -30°C to 85°C |
| RoHS Status | ROHS3 Compliant |
| Product Status | Active |
Substitute Part Grouping Explanation
Substitution eligibility is determined by strict alignment with the following critical parameters:
Mandatory Compatibility Parameters:
- Circuit configuration: SPDT
- Switch function: On-On
- Current rating: 5A (AC/DC) minimum
- Voltage rating - AC: 120V minimum
- Voltage rating - DC: 28V minimum
- Mounting type: Panel Mount
- Panel cutout diameter: 6.35mm Circular
- Bushing thread: 1/4-40
- Termination style: Solder Lug
- Operating temperature range: -30°C to 85°C minimum
Variable Parameters (Allowed Differences):
- Actuator type (anti-rotation, standard round, flat anti-rotation)
- Actuator length
- Electrical life rating
- Manufacturer identity
- Product status (active or obsolete)
- REACH compliance status
The substitute parts listed below meet all mandatory compatibility parameters. Variations in actuator type and electrical life do not affect functional interchangeability in applications where the 7101MPY1ZGE is specified, provided the mechanical envelope and electrical ratings remain within design tolerances.
Parameter Comparison
| Parameter | 7101MPY1ZGE (C&K) | 100SP1T2B5M1QEH (E-Switch) | 100SP1T2B9M1QEH (E-Switch) | 100SP1T6B11M1QEH (E-Switch) | M2012SS1W01/UC (NKK) |
|---|---|---|---|---|---|
| Manufacturer | C&K | E-Switch | E-Switch | E-Switch | NKK Switches |
| Circuit | SPDT | SPDT | SPDT | SPDT | SPDT |
| Switch Function | On-On | On-On | On-On | On-On | On-On |
| Current Rating | 5A (AC/DC) | 5A (AC/DC) | 5A (AC/DC) | 5A (AC/DC) | 6A (AC), 4A (DC) |
| Voltage Rating - AC | 120V | 120V | 120V | 120V | 125V |
| Voltage Rating - DC | 28V | 28V | 28V | 28V | 30V |
| Mounting Type | Panel Mount | Panel Mount | Panel Mount | Panel Mount | Panel Mount |
| Panel Cutout Diameter | 6.35mm Circular | 6.35mm Circular | 6.35mm Circular | 6.35mm Circular | 6.50mm Circular |
| Bushing Thread | 1/4-40 | 1/4-40 | 1/4-40 | 1/4-40 | 1/4-40 |
| Termination Style | Solder Lug | Solder Lug | Solder Lug | Solder Lug | Solder Lug |
| Operating Temperature | -30°C to 85°C | -30°C to 85°C | -30°C to 85°C | -30°C to 85°C | -30°C to 85°C |
| Actuator Type | Anti-Rotation | Standard Round | Standard Round | Flat Anti-Rotation | Standard Round |
| Actuator Length | 5.08mm | 5.08mm | 5.08mm | 12.30mm | 10.50mm |
| Electrical Life | 100,000 Cycles | 40,000 Cycles | 40,000 Cycles | 40,000 Cycles | 25,000 Cycles |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Active | Active | Active | Active | Obsolete |
Engineering Selection Recommendations
E-Switch 100SP1T2B5M1QEH and 100SP1T2B9M1QEH: These parts provide direct functional equivalence with identical electrical ratings and actuator length to the 7101MPY1ZGE. Both are active production parts with ROHS3 compliance. The primary trade-off is reduced electrical life (40,000 cycles versus 100,000 cycles). Selection between these two variants depends on specific actuator geometry requirements for your panel interface.
E-Switch 100SP1T6B11M1QEH: This variant maintains full electrical compatibility but features an extended 12.30mm actuator length with flat anti-rotation design. This part is suitable for applications requiring longer actuator reach or where flat actuator geometry is preferred. Electrical life remains at 40,000 cycles.
NKK Switches M2012SS1W01/UC: This part exceeds the minimum electrical ratings (6A AC, 125V AC, 30V DC) and is ROHS3 compliant. However, this part carries obsolete product status, indicating discontinued manufacturing. Panel cutout diameter is 6.50mm, requiring verification of panel hole compatibility. Electrical life is significantly lower at 25,000 cycles. Selection of this part should be limited to applications where existing inventory must be utilized or where the higher voltage/current ratings provide design margin.
For new designs, E-Switch 100SP1T2B5M1QEH or 100SP1T2B9M1QEH are preferred due to active production status and ROHS3 compliance. For applications with extended cycle life requirements exceeding 40,000 cycles, the original 7101MPY1ZGE should be retained.
Frequently Asked Questions (FAQ)
Q: Can the E-Switch 100SP1T2B5M1QEH directly replace the C&K 7101MPY1ZGE in existing designs?
A: Yes. Both parts share identical electrical ratings (5A, 120V AC, 28V DC), SPDT on-on configuration, panel mount geometry (6.35mm cutout, 1/4-40 bushing), solder lug termination, and operating temperature range. The primary difference is electrical life (40,000 versus 100,000 cycles). Mechanical fit and electrical function are equivalent.
Q: What is the significance of the different actuator types listed?
A: Actuator type (anti-rotation, standard round, flat anti-rotation) affects the mechanical interface with the panel and operator feel but does not change electrical function. Anti-rotation designs prevent unintended rotation of the actuator. Selection depends on panel design and user interface requirements. All listed variants maintain the same electrical switching characteristics.
Q: Why does the NKK M2012SS1W01/UC show obsolete status?
A: Obsolete status indicates the manufacturer has discontinued production of this part. While existing inventory may be available, long-term sourcing cannot be guaranteed. This part should be used only when existing stock must be consumed or when higher voltage/current ratings (6A AC, 125V AC) provide necessary design margin that justifies the sourcing risk.
Q: Is the 6.50mm panel cutout diameter of the NKK part compatible with the 6.35mm specification?
A: The 6.50mm cutout is slightly larger than the 6.35mm specification. Panel hole compatibility must be verified for your specific application. If your panel is drilled for 6.35mm, the NKK part may not fit securely. If your panel accommodates 6.50mm or larger, compatibility is confirmed.
Q: What does ROHS3 compliance mean for these parts?
A: ROHS3 (Restriction of Hazardous Substances Directive 3) compliance certifies that the part does not contain restricted substances including lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyls, or polybrominated diphenyl ethers above specified thresholds. All listed parts meet this environmental standard.
Q: How does electrical life rating affect component selection?
A: Electrical life (measured in switching cycles) indicates the expected operational lifespan under rated conditions. The 7101MPY1ZGE is rated for 100,000 cycles, while E-Switch alternatives are rated for 40,000 cycles. For applications with high switching frequency or extended service life requirements, the higher electrical life rating of the original part may be necessary. For lower-cycle applications, the reduced rating of substitute parts is acceptable.
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