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MB2011SS4W01-BA Equivalent & Substitute Parts
Part Overview
The MB2011SS4W01-BA is an NKK Switches pushbutton switch with SPDT circuit configuration, rated for 6A at 125V AC and 3A at 30V DC. This component features a round button actuator, panel mount rear configuration, and solder lug termination with epoxy sealed terminals. The product is currently obsolete, making equivalent and substitute parts necessary for ongoing system maintenance and new design implementations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | MB2011SS4W01-BA |
| 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 |
| Actuator Type | Round, Button |
| Termination Style | Solder Lug |
| Panel Cutout Dimensions | Circular - 6.50mm Dia |
| Operating Temperature Range | -30°C ~ 85°C |
| Mechanical Life | 100,000 Cycles |
| Electrical Life | 25,000 Cycles |
| RoHS Status | ROHS3 Compliant |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution eligibility for the MB2011SS4W01-BA is determined by the following critical parameters:
Primary Compatibility Criteria:
- Circuit configuration: SPDT
- Switch function: On-Mom
- Current rating: Minimum 6A at 125V AC
- Voltage rating: Minimum 125V AC
- Mounting type: Panel Mount, Rear
- Termination style: Solder Lug
- Panel cutout dimensions: Circular configuration compatible with 6.35mm to 6.50mm diameter
Secondary Considerations:
- Operating temperature range compatibility
- RoHS and regulatory compliance status
- Mechanical and electrical life ratings
The substitute parts identified meet these core electrical and mechanical requirements while maintaining functional equivalence for SPDT pushbutton switch applications.
Parameter Comparison
| Parameter | MB2011SS4W01-BA (Main) | MBN15SS4W01-BA | MPA106F | MPE106F |
|---|---|---|---|---|
| Manufacturer | NKK Switches | NKK Switches | TE Connectivity ALCOSWITCH | TE Connectivity ALCOSWITCH |
| Circuit Configuration | SPDT | SPDT | SPDT | SPDT |
| Switch Function | On-Mom | On-Mom | 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 | Bushing Mount | Panel Mount, Rear | Panel Mount, Rear |
| Termination Style | Solder Lug | Not Specified | Solder Lug | Solder Lug |
| Panel Cutout Dimensions | Circular - 6.50mm Dia | Not Specified | Circular - 6.35mm Dia | Circular - 6.35mm Dia |
| Operating Temperature Range | -30°C ~ 85°C | Not Specified | -20°C ~ 80°C | -20°C ~ 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
MPA106F and MPE106F (TE Connectivity ALCOSWITCH): Both parts are active products with ROHS3 compliance and meet the primary electrical requirements of 6A at 125V AC. The DC current rating of 4A exceeds the original 3A specification. Panel cutout dimensions of 6.35mm are compatible with standard 6.50mm mounting holes through minor mechanical adjustment. Electrical life rating of 50,000 cycles provides extended operational durability compared to the original 25,000 cycles. MPE106F includes splash proof ingress protection, offering enhanced environmental resistance for applications requiring moisture protection.
MBN15SS4W01-BA (NKK Switches): This NKK Switches part maintains manufacturer continuity and ROHS3 compliance. However, critical electrical parameters including current and voltage ratings are not specified in available documentation. The bushing mount configuration differs from the panel mount rear configuration of the original part, requiring mechanical redesign for installation compatibility. This part is recommended only when manufacturer continuity is a primary design requirement and electrical specifications can be verified through direct manufacturer consultation.
Compliance Status: All substitute parts maintain ROHS3 compliance and EAR99 export classification consistent with the original component. Selection should prioritize active product status for long-term supply chain reliability.
Frequently Asked Questions (FAQ)
Q: Can MPA106F or MPE106F directly replace MB2011SS4W01-BA without modification? A: Both TE Connectivity parts meet the core electrical requirements of 6A at 125V AC and SPDT circuit configuration. Panel cutout dimensions of 6.35mm are slightly smaller than the original 6.50mm, requiring verification of mechanical fit in existing panel designs. Electrical and mechanical performance are equivalent or superior to the original part.
Q: What is the difference between MPA106F and MPE106F? A: Both parts share identical electrical ratings and circuit configuration. MPE106F includes splash proof ingress protection, making it suitable for applications with moisture exposure. MPA106F lacks specified ingress protection. Selection depends on environmental requirements of the application.
Q: Why is MBN15SS4W01-BA listed as a substitute if it has different mounting? A: MBN15SS4W01-BA is an NKK Switches product that maintains manufacturer continuity. However, the bushing mount configuration differs from the panel mount rear configuration of MB2011SS4W01-BA. This part requires mechanical redesign and is suitable only when manufacturer consistency is critical and electrical specifications are confirmed.
Q: Are there temperature range limitations with the substitute parts? A: MPA106F and MPE106F operate across -20°C to 80°C, which is narrower than the original -30°C to 85°C range. Applications requiring operation below -20°C or above 80°C require verification of substitute part suitability or alternative component selection.
Q: Do the substitute parts have the same electrical life rating? A: MPA106F and MPE106F are rated for 50,000 electrical cycles, exceeding the original 25,000 cycles. This provides extended operational life for equivalent or reduced switching frequency applications.
Q: What packaging formats are available for these substitute parts? A: All substitute parts are available in bulk packaging. Inventory availability: MBN15SS4W01-BA (1125 pcs), MPA106F (1578 pcs), MPE106F (1039 pcs).
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