MB2011SD1W01-BC Equivalent & Substitute Parts

Part Overview

The MB2011SD1W01-BC is a pushbutton switch manufactured by NKK Switches, featuring SPDT (Single Pole Double Throw) circuit configuration with 6A AC / 3A DC current rating at 125V AC / 30V DC. This component is designed for standard panel mount rear installation with a circular 6.50mm diameter cutout. The part is currently classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system maintenance and new design implementations.

Substiute Parts

MB2011SD1W01-BC

NKK SwitchesIn Stock: 1206MB2011SD1W01-BC Datasheet

Current PartRFQ

MPA106F

TE Connectivity ALCOSWITCH SwitchesIn Stock: 1661MPA106F Datasheet

SimilarRFQ

MPE106F

TE Connectivity ALCOSWITCH SwitchesIn Stock: 1103MPE106F Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MB2011SD1W01-BC is determined by the following critical parameters:

Mandatory Matching Parameters:

• Circuit configuration: SPDT
• Switch function: On-Mom (Momentary)
• Current rating: 6A AC minimum
• Voltage rating: 125V AC minimum
• Mounting type: Panel Mount, Rear
• Termination style: Solder Lug

Allowable Variation Parameters:

• Panel cutout diameter: Circular geometry required; minor diameter variations (6.35mm to 6.50mm) are acceptable within standard panel mount tolerances
• Operating temperature range: Substitute must cover the application's required operating window
• Electrical life: Substitute must meet or exceed application cycle requirements
• Actuator type: Functional equivalence maintained across button and plunger configurations

The substitute parts MPA106F and MPE106F meet these criteria. Both are manufactured by TE Connectivity ALCOSWITCH Switches, feature SPDT configuration with On-Mom function, 6A AC rating at 125V AC, panel mount rear installation, and solder lug termination. Both parts are currently active in production status.

Parameter Comparison

Engineering Selection Recommendations

Both MPA106F and MPE106F are suitable substitutes for the obsolete MB2011SD1W01-BC based on electrical and mechanical compatibility. Selection between the two substitute options should consider the following factors:

MPA106F Selection Criteria:

• Active production status with established supply chain
• ROHS3 compliant
• Meets all mandatory electrical parameters (6A AC, 125V AC, SPDT, On-Mom)
• Electrical life rating of 50,000 cycles exceeds the original part specification
• REACH status listed as Vendor Undefined

MPE106F Selection Criteria:

• Active production status with established supply chain
• ROHS3 compliant
• Meets all mandatory electrical parameters (6A AC, 125V AC, SPDT, On-Mom)
• Electrical life rating of 50,000 cycles exceeds the original part specification
• REACH Affected status provides regulatory clarity
• Splash Proof ingress protection offers enhanced environmental protection

For applications requiring enhanced environmental protection or explicit REACH compliance documentation, MPE106F is the preferred selection. For standard applications where ingress protection is not a requirement, MPA106F provides equivalent functionality at potentially lower cost.

Frequently Asked Questions (FAQ)

Q: Can MPA106F or MPE106F be directly substituted for MB2011SD1W01-BC without circuit modification?

A: Yes. Both substitute parts maintain identical SPDT circuit configuration, On-Mom switch function, 6A AC current rating at 125V AC, and solder lug termination. No circuit modifications are required.

Q: What is the impact of the 6.35mm panel cutout diameter on MPA106F and MPE106F compared to the 6.50mm original specification?

A: The 0.15mm reduction in panel cutout diameter is within standard mechanical tolerances for circular panel mount switches. Existing panel cutouts designed for 6.50mm diameter will accommodate 6.35mm diameter components. No panel modification is necessary.

Q: How do the DC voltage ratings of the substitute parts compare to the original MB2011SD1W01-BC?

A: The original part is rated for 30V DC, while both MPA106F and MPE106F are rated for 28V DC. For applications operating at or below 28V DC, both substitutes are fully compatible. Applications requiring operation above 28V DC but within 30V DC must be evaluated for alternative solutions.

Q: What is the significance of the increased electrical life rating in the substitute parts?

A: MPA106F and MPE106F both provide 50,000 cycle electrical life compared to 25,000 cycles for the original MB2011SD1W01-BC. This represents a 2x improvement in rated electrical life, providing extended component reliability and reduced replacement frequency in high-cycle applications.

Q: Does the operating temperature range difference affect substitution suitability?

A: The original part operates from -30°C to 85°C, while substitutes operate from -20°C to 80°C. For applications requiring operation below -20°C or above 80°C, the original specification cannot be met by either substitute. For applications within the -20°C to 80°C window, both substitutes are fully compatible.

Q: What is the difference between MPA106F and MPE106F regarding environmental protection?

A: MPE106F includes Splash Proof ingress protection, while MPA106F does not specify ingress protection. For applications exposed to moisture or liquid splash conditions, MPE106F is the appropriate selection. For dry environment applications, both parts are functionally equivalent.