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M2012S3S2W30 Equivalent & Substitute Parts
Part Overview
The M2012S3S2W30 is a toggle switch manufactured by NKK Switches, classified as SPDT (Single Pole Double Throw) with On-On functionality. This through-hole, right-angle mounted component is rated for 6A AC at 125V and 4A DC at 30V. The product is currently obsolete, making identification of functionally equivalent alternatives essential for ongoing system maintenance, repair, and redesign applications where this component is specified.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | M2012S3S2W30 |
| Manufacturer | NKK Switches |
| Circuit Configuration | SPDT |
| Switch Function | On-On |
| Current Rating (AC) | 6A @ 125V |
| Current Rating (DC) | 4A @ 30V |
| Mounting Type | Through Hole, Right Angle |
| Actuator Type | Standard Round |
| Termination Style | PC Pin |
| Operating Temperature Range | -30°C to 85°C |
| Product Status | Obsolete |
| RoHS Compliance | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the M2012S3S2W30 is determined by the following critical parameters:
- Circuit Configuration: Must be SPDT to maintain identical switching logic
- Switch Function: Must be On-On to preserve operational behavior
- Mounting Type: Must be Through Hole, Right Angle for PCB compatibility
- Termination Style: Must be PC Pin for direct connection compatibility
- Current Rating: Substitute must meet or exceed 6A AC at 125V and 4A DC at 30V
- Operating Temperature: Must support -30°C to 85°C range
- Actuator Type: Must be Standard Round for mechanical fit
- RoHS Compliance: Must maintain ROHS3 compliance for regulatory alignment
The C&K 7101MD9AGE meets these substitution criteria with the following considerations: it provides 5A AC at 120V and 5A DC at 28V, which represents a marginal reduction in current capacity and voltage ratings compared to the original specification.
Parameter Comparison
| Parameter | M2012S3S2W30 (NKK) | 7101MD9AGE (C&K) | Compatibility Status |
|---|---|---|---|
| Circuit Configuration | SPDT | SPDT | Match |
| Switch Function | On-On | On-On | Match |
| Current Rating (AC) | 6A @ 125V | 5A @ 120V | Substitute rated lower |
| Current Rating (DC) | 4A @ 30V | 5A @ 28V | Substitute rated lower in voltage |
| Mounting Type | Through Hole, Right Angle | Through Hole, Right Angle | Match |
| Actuator Type | Standard Round | Standard Round | Match |
| Termination Style | PC Pin | PC Pin | Match |
| Operating Temperature | -30°C to 85°C | -30°C to 85°C | Match |
| Actuator Length | 6.50mm | 6.86mm | Substitute slightly longer |
| Electrical Life | 25,000 Cycles | 100,000 Cycles | Substitute rated higher |
| RoHS Compliance | ROHS3 Compliant | ROHS3 Compliant | Match |
Engineering Selection Recommendations
The C&K 7101MD9AGE is the identified equivalent substitute for the obsolete M2012S3S2W30. Both components maintain ROHS3 compliance and identical operating temperature specifications. The substitute demonstrates superior electrical life rating (100,000 cycles versus 25,000 cycles), indicating enhanced durability.
Selection of the 7101MD9AGE requires verification that the application's current and voltage requirements do not exceed the substitute's ratings: 5A AC at 120V and 5A DC at 28V. The marginal differences in actuator length (6.86mm versus 6.50mm) must be evaluated against mechanical clearance constraints in the target assembly. The substitute's active product status ensures ongoing availability and supply chain continuity compared to the obsolete original component.
Frequently Asked Questions (FAQ)
Q: Can the 7101MD9AGE directly replace the M2012S3S2W30 in all applications?
A: Direct replacement is possible only when the application's current and voltage requirements remain within the substitute's ratings (5A AC at 120V, 5A DC at 28V). Applications requiring the original 6A AC at 125V specification must be re-evaluated for current derating or alternative component selection.
Q: What is the significance of the actuator length difference?
A: The 7101MD9AGE actuator length is 6.86mm compared to the original 6.50mm. This 0.36mm difference must be assessed against panel cutout dimensions and mechanical clearance in the target assembly to ensure proper fit and operation.
Q: Why does the substitute have a higher electrical life rating?
A: The 7101MD9AGE is rated for 100,000 electrical cycles versus 25,000 cycles for the M2012S3S2W30. This reflects differences in internal contact design and materials between manufacturers and indicates the substitute component may provide extended service life in equivalent duty cycles.
Q: Are there packaging differences between these components?
A: The M2012S3S2W30 is supplied in standard packaging, while the 7101MD9AGE is supplied in tray packaging. Packaging format does not affect electrical or mechanical compatibility but may influence procurement and handling procedures.
Q: What compliance certifications apply to both components?
A: Both the M2012S3S2W30 and 7101MD9AGE are ROHS3 compliant. The 7101MD9AGE is REACH Affected, while the original component is REACH Unaffected. Applications subject to REACH regulations must account for this distinction.
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