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MB2011SS1W01 Equivalent & Substitute Parts
Part Overview
The MB2011SS1W01 is a pushbutton switch manufactured by NKK Switches, featuring SPDT (Single Pole Double Throw) configuration with 6A AC / 3A DC current rating at 125V AC / 30V DC. This panel mount, rear-termination switch uses a plunger actuator with solder lug connections and epoxy sealed terminals. The product is classified as obsolete, making identification of equivalent and substitute parts essential for ongoing system maintenance and new design implementations where this component is specified.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | MB2011SS1W01 |
| 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 |
| Actuator Type | Plunger for Cap |
| Termination Style | Solder Lug |
| Panel Cutout Dimensions | Circular - 6.50mm Dia |
| Operating Temperature Range | -30°C to 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 MB2011SS1W01 is determined by the following critical parameters:
Primary Substitution Criteria:
- Circuit configuration (SPDT)
- Switch function (On-Mom momentary operation)
- Current rating compatibility (minimum 6A AC)
- Voltage rating compatibility (minimum 125V AC)
- Mounting type (Panel Mount, Rear)
- Termination style (Solder Lug)
- Panel cutout dimensions (circular, compatible with 6.50mm specification)
Substitute Parts Identified:
-
MBN15SS1W01 (NKK Switches) - Manufacturer recommended substitute. Active product status provides long-term availability and supply chain continuity.
-
MPA106F (TE Connectivity ALCOSWITCH Switches) - Similar configuration with SPDT circuit, On-Mom function, 6A AC / 4A DC rating, 125V AC / 28V DC voltage rating, panel mount rear termination, and solder lug connections. Panel cutout dimension of 6.35mm Dia is compatible with standard panel mount applications.
-
MPE106F (TE Connectivity ALCOSWITCH Switches) - Similar configuration with SPDT circuit, On-Mom function, 6A AC / 4A DC rating, 125V AC / 28V DC voltage rating, panel mount rear termination, solder lug connections, and splash proof ingress protection. Panel cutout dimension of 6.35mm Dia is compatible with standard panel mount applications.
Parameter Comparison
| Parameter | MB2011SS1W01 | MBN15SS1W01 | 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 | - | 6A | 6A |
| Current Rating (DC) | 3A | - | 4A | 4A |
| Voltage Rating (AC) | 125V | - | 125V | 125V |
| Voltage Rating (DC) | 30V | - | 28V | 28V |
| Mounting Type | Panel Mount, Rear | - | Panel Mount, Rear | Panel Mount, Rear |
| Actuator Type | Plunger for Cap | - | Plunger for Cap | Plunger for Cap |
| Termination Style | Solder Lug | - | Solder Lug | Solder Lug |
| Panel Cutout Dimensions | Circular - 6.50mm Dia | - | Circular - 6.35mm Dia | Circular - 6.35mm Dia |
| Operating Temperature Range | -30°C to 85°C | - | -20°C to 80°C | -20°C to 80°C |
| Electrical Life | 25,000 Cycles | - | 50,000 Cycles | 50,000 Cycles |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Obsolete | Active | Active | Active |
Engineering Selection Recommendations
MBN15SS1W01 (NKK Switches): This is the manufacturer-recommended substitute and maintains NKK Switches as the component source. Active product status ensures availability and ongoing manufacturer support. ROHS3 compliance is maintained. Selection of this part eliminates supply chain transitions to alternative manufacturers.
MPA106F (TE Connectivity ALCOSWITCH Switches): This substitute meets all electrical specifications with equivalent 6A AC / 4A DC current ratings and 125V AC / 28V DC voltage ratings. SPDT configuration and On-Mom function are identical. Active product status provides supply continuity. ROHS3 compliance is maintained. Panel cutout dimension of 6.35mm Dia is compatible with standard panel mount installations. Electrical life rating of 50,000 cycles exceeds the original specification.
MPE106F (TE Connectivity ALCOSWITCH Switches): This substitute meets all electrical specifications with equivalent 6A AC / 4A DC current ratings and 125V AC / 28V DC voltage ratings. SPDT configuration and On-Mom function are identical. Active product status provides supply continuity. ROHS3 compliance is maintained. Splash proof ingress protection provides enhanced environmental protection beyond the original specification. Panel cutout dimension of 6.35mm Dia is compatible with standard panel mount installations. Electrical life rating of 50,000 cycles exceeds the original specification.
Frequently Asked Questions (FAQ)
Q: Can MPA106F or MPE106F be used as direct replacements for MB2011SS1W01?
A: Both MPA106F and MPE106F meet the core electrical and mechanical requirements for substitution. Both provide SPDT circuit configuration, On-Mom function, 6A AC current rating, 125V AC voltage rating, panel mount rear termination, and solder lug connections. The panel cutout dimension difference (6.35mm vs. 6.50mm) is within standard panel mount tolerances for circular cutouts. Electrical life ratings of 50,000 cycles exceed the original 25,000 cycle specification.
Q: What is the difference between MPA106F and MPE106F?
A: Both parts share identical electrical ratings, circuit configuration, and mounting specifications. MPE106F includes splash proof ingress protection, providing enhanced environmental protection. This additional feature makes MPE106F suitable for applications requiring moisture or splash resistance.
Q: Is the panel cutout dimension difference between MB2011SS1W01 (6.50mm) and the substitute parts (6.35mm) significant?
A: The 0.15mm difference is within standard manufacturing tolerances for circular panel cutouts. Both dimensions are compatible with typical panel mount applications using standard bushing and retaining ring assemblies.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. MB2011SS1W01, MBN15SS1W01, MPA106F, and MPE106F are all ROHS3 compliant, ensuring compatibility with RoHS3 regulated applications and supply chains.
Q: What is the advantage of selecting MBN15SS1W01 over the TE Connectivity alternatives?
A: MBN15SS1W01 maintains continuity with the original NKK Switches manufacturer, eliminating supply chain transitions and potential qualification requirements for alternative manufacturers. This part is the manufacturer-recommended substitute.
Q: Can these substitutes be used in applications with operating temperatures below -20°C?
A: MPA106F and MPE106F have an operating temperature range of -20°C to 80°C, which is narrower than the original MB2011SS1W01 specification of -30°C to 85°C. Applications requiring operation below -20°C or above 80°C should be evaluated against the specific substitute part's temperature rating.
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