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MB2011SS1W01-BF Equivalent & Substitute Parts
Part Overview
The MB2011SS1W01-BF is a pushbutton switch manufactured by NKK Switches, featuring SPDT (Single Pole Double Throw) circuitry with a rated capacity of 6A at 125V AC and 3A at 30V DC. This panel-mount rear component utilizes a round green button actuator with solder lug termination and epoxy-sealed terminals. The product is classified as obsolete, necessitating identification of active equivalent alternatives that maintain functional and electrical compatibility for new designs and replacement applications.
Substiute Parts
Key Parameters
| Parameter | MB2011SS1W01-BF |
|---|---|
| Manufacturer | NKK Switches |
| Circuit Configuration | SPDT |
| Switch Function | On-Mom (Momentary) |
| 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 |
| 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
Substitution eligibility for the MB2011SS1W01-BF is determined by the following critical parameters:
Primary Compatibility Criteria:
- Circuit configuration: SPDT
- Switch function: On-Mom (momentary operation)
- AC current rating: 6A minimum
- AC voltage rating: 125V minimum
- DC voltage rating: 28V or higher
- Mounting type: Panel Mount, Rear
- Termination style: Solder Lug
- Panel cutout diameter: 6.35mm to 6.50mm (mechanical fit tolerance)
Substitute Categories:
MFR Recommended: MBN15SS1W01-BF (NKK Switches) — Direct manufacturer recommendation for bushing mount miniature pushbutton configuration.
Similar Alternatives: MPA106F and MPE106F (TE Connectivity ALCOSWITCH Switches) — Both maintain SPDT circuitry, 6A AC/125V ratings, panel mount rear configuration, and solder lug termination. These parts are active products with enhanced electrical life specifications (50,000 cycles) and meet all primary compatibility criteria.
Parameter Comparison
| Parameter | MB2011SS1W01-BF | MBN15SS1W01-BF | 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 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 | Not specified | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Obsolete | Active | Active | Active |
Engineering Selection Recommendations
For Direct NKK Switches Continuity: MBN15SS1W01-BF is the manufacturer-recommended substitute, maintaining NKK Switches product lineage. This part is active and suitable for applications requiring brand consistency within the NKK portfolio.
For Cross-Manufacturer Substitution: MPA106F and MPE106F are functionally equivalent alternatives from TE Connectivity ALCOSWITCH Switches. Both parts are active products with ROHS3 compliance and enhanced electrical life ratings (50,000 cycles versus 25,000 cycles). MPA106F provides standard performance characteristics. MPE106F offers additional splash-proof ingress protection, suitable for applications requiring enhanced environmental resistance.
All substitute options maintain SPDT circuitry, 6A AC/125V electrical ratings, panel mount rear configuration, and solder lug termination. Panel cutout diameter differences (6.50mm original versus 6.35mm substitutes) require mechanical fit assessment during integration.
Frequently Asked Questions (FAQ)
Q: Can MPA106F or MPE106F directly replace MB2011SS1W01-BF without circuit modification?
A: Yes, both parts maintain identical SPDT circuitry, On-Mom switch function, 6A AC/125V ratings, and solder lug termination. No circuit modification is required. Panel cutout diameter tolerance (6.50mm to 6.35mm) must be assessed for mechanical fit in existing panel installations.
Q: What is the difference between MPA106F and MPE106F?
A: Both parts share identical electrical specifications: SPDT circuit, 6A AC/125V, 4A DC/28V, 50,000 cycle electrical life, and solder lug termination. MPE106F includes splash-proof ingress protection, making it suitable for applications with moisture or liquid exposure. MPA106F is specified for standard environmental conditions.
Q: Why do the substitute parts have higher electrical life ratings (50,000 cycles) than the original (25,000 cycles)?
A: The substitute parts represent newer product generations with enhanced durability specifications. The increased electrical life provides extended operational reliability and is a direct benefit of substitution.
Q: Are there packaging or inventory considerations for these substitutes?
A: All substitute parts are available in bulk packaging with active product status. MBN15SS1W01-BF (1,007 pcs), MPA106F (1,578 pcs), and MPE106F (1,039 pcs) are in stock. Packaging format is bulk for all options.
Q: Do all substitute parts meet RoHS compliance requirements?
A: MBN15SS1W01-BF, MPA106F, and MPE106F are all ROHS3 compliant. The original MB2011SS1W01-BF is also ROHS3 compliant, ensuring regulatory consistency across all options.
Q: What operating temperature range should be considered for substitution?
A: The original part operates from -30°C to 85°C. Substitute parts MPA106F and MPE106F operate from -20°C to 80°C. Applications requiring operation below -20°C or above 80°C must use the original specification or MBN15SS1W01-BF if temperature range data is available.
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