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MB2011LS1W01-CA Equivalent & Substitute Parts
Part Overview
The MB2011LS1W01-CA is a pushbutton switch manufactured by NKK Switches, featuring SPDT (Single Pole Double Throw) circuit configuration with 6A AC / 3A DC current rating and 125V AC / 30V DC voltage rating. This component is classified as obsolete, necessitating identification of active equivalent parts for new designs and ongoing production requirements. The switch employs panel mount rear termination with solder lug connections and epoxy sealed terminals for environmental protection.
Substiute Parts
Key Parameters
| Parameter | MB2011LS1W01-CA |
|---|---|
| Manufacturer | NKK Switches |
| Circuit Configuration | SPDT |
| Switch Function | On-Mom |
| Current Rating (AC) | 6A |
| Current Rating (DC) | 3A |
| Voltage Rating (AC) | 125V |
| Voltage Rating (DC) | 30V |
| Mounting Type | Panel Mount, Rear |
| Termination Style | Solder Lug |
| Actuator Type | Round, Button |
| Panel Cutout Diameter | 6.50mm |
| Operating Temperature Range | -30°C to 85°C |
| Electrical Life | 25,000 Cycles |
| RoHS Status | ROHS3 Compliant |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitute parts for the MB2011LS1W01-CA are identified based on the following critical electrical and mechanical parameters:
Primary Substitution Criteria:
- Circuit configuration: SPDT
- Switch function: On-Mom
- AC current rating: 6A minimum
- AC voltage rating: 125V minimum
- Mounting configuration: Panel Mount, Rear
- Termination style: Solder Lug
- RoHS compliance: ROHS3 Compliant
Substitute Categories:
MFR Recommended: MBN15LS1W01-CA (NKK Switches) — Manufacturer-recommended equivalent within the same product family, maintaining design continuity and supply chain consistency.
Similar Alternatives: MPA106F and MPE106F (TE Connectivity ALCOSWITCH Switches) — Cross-manufacturer alternatives meeting core electrical specifications and mechanical interface requirements. These parts satisfy the primary substitution criteria while offering active product status and enhanced availability.
Parameter Comparison
| Parameter | MB2011LS1W01-CA | MBN15LS1W01-CA | MPA106F | MPE106F |
|---|---|---|---|---|
| Manufacturer | NKK Switches | NKK Switches | TE Connectivity ALCOSWITCH | TE Connectivity ALCOSWITCH |
| Circuit Configuration | SPDT | Not Specified | SPDT | SPDT |
| Switch Function | On-Mom | Not Specified | On-Mom | On-Mom |
| Current Rating (AC) | 6A | Not Specified | 6A | 6A |
| Current Rating (DC) | 3A | Not Specified | 4A | 4A |
| Voltage Rating (AC) | 125V | Not Specified | 125V | 125V |
| Voltage Rating (DC) | 30V | Not Specified | 28V | 28V |
| Mounting Type | Panel Mount, Rear | Not Specified | Panel Mount, Rear | Panel Mount, Rear |
| Termination Style | Solder Lug | Not Specified | Solder Lug | Solder Lug |
| Panel Cutout Diameter | 6.50mm | Not Specified | 6.35mm | 6.35mm |
| Operating Temperature Range | -30°C to 85°C | Not Specified | -20°C to 80°C | -20°C to 80°C |
| Electrical Life | 25,000 Cycles | Not Specified | 50,000 Cycles | 50,000 Cycles |
| Ingress Protection | Not Specified | Not Specified | Not Specified | Splash Proof |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Obsolete | Active | Active | Active |
Engineering Selection Recommendations
MBN15LS1W01-CA is the primary recommended substitute. As an active NKK Switches product with ROHS3 compliance, it maintains manufacturer continuity and supply chain alignment. This selection is optimal for designs requiring minimal qualification effort and maximum compatibility assurance.
MPA106F and MPE106F are viable cross-manufacturer alternatives for applications where multi-source qualification is acceptable. Both parts meet core electrical specifications (6A AC, 125V AC, SPDT, On-Mom function) and maintain ROHS3 compliance. MPE106F provides enhanced environmental protection through splash-proof ingress rating. The TE Connectivity ALCOSWITCH series offers superior electrical life (50,000 cycles versus 25,000 cycles) and higher DC current capability (4A versus 3A), providing design margin for demanding applications.
Panel cutout diameter differences (6.50mm original versus 6.35mm substitutes) require mechanical evaluation for panel mounting compatibility. Operating temperature range reduction (-20°C to 80°C for substitutes versus -30°C to 85°C for original) must be assessed against application requirements.
Frequently Asked Questions (FAQ)
Q: Can MPA106F or MPE106F be used as direct drop-in replacements for MB2011LS1W01-CA?
A: Both parts satisfy the core electrical substitution criteria (SPDT, 6A AC, 125V AC, On-Mom function, solder lug termination, panel mount rear configuration). Panel cutout diameter differences (6.35mm versus 6.50mm) require mechanical evaluation. Operating temperature range is reduced by 10°C at both extremes. Electrical life is doubled (50,000 versus 25,000 cycles), providing enhanced reliability margin.
Q: What is the difference between MPA106F and MPE106F?
A: Both parts share identical electrical specifications and operating parameters. MPE106F includes splash-proof ingress protection, providing enhanced environmental sealing. Selection between these parts depends on application environmental exposure requirements.
Q: Why is the panel cutout diameter different between the original and substitute parts?
A: The original MB2011LS1W01-CA specifies a 6.50mm circular cutout, while MPA106F and MPE106F require 6.35mm cutout diameter. This 0.15mm difference may require panel modification or mechanical adapter evaluation depending on existing panel tooling and tolerance stack-up.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. MB2011LS1W01-CA, MBN15LS1W01-CA, MPA106F, and MPE106F are all ROHS3 compliant, ensuring regulatory alignment for current manufacturing and distribution requirements.
Q: What is the impact of reduced operating temperature range in substitute parts?
A: Substitute parts operate from -20°C to 80°C compared to the original -30°C to 85°C range. Applications requiring operation below -20°C or above 80°C must retain the original part or identify alternative solutions. Most commercial and industrial applications operate within the substitute part temperature envelope.
Q: Does the higher electrical life rating of substitute parts affect design decisions?
A: MPA106F and MPE106F provide 50,000 electrical life cycles versus 25,000 cycles for the original part. This doubling of rated life provides design margin and extended service intervals for high-cycle applications, though it does not alter fundamental substitution compatibility.
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