MB2011SD3G01-CC Equivalent & Substitute Parts

Part Overview

The MB2011SD3G01-CC is a pushbutton switch manufactured by NKK Switches, featuring SPDT (Single Pole Double Throw) circuit configuration with On-Momentary switch function. This component is rated for 0.4VA at 28V AC/DC and is designed for panel mount, rear installation with IP67 ingress protection. The product is currently obsolete, making identification of functionally equivalent alternatives necessary for system maintenance, repair, and redesign applications.

Substiute Parts

MB2011SD3G01-CC

NKK SwitchesIn Stock: 834MB2011SD3G01-CC Datasheet

Current PartRFQ

1977737-2

TE Connectivity ALCOSWITCH SwitchesIn Stock: 11241977737-2 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MB2011SD3G01-CC is determined by the following critical parameters:

Circuit Configuration: SPDT topology is mandatory for functional equivalence, as this determines the switching logic and contact arrangement.

Switch Function: On-Momentary operation must be maintained to preserve system behavior during actuation.

Mounting Type: Panel Mount, Rear installation is required to ensure mechanical compatibility with existing enclosure designs.

Termination Style: Solder Lug termination is necessary for direct connection compatibility with printed circuit boards or wiring harnesses.

Voltage and Current Ratings: The substitute must operate within or exceed the 28V AC/DC and 0.4VA specifications to ensure safe operation under the same electrical conditions.

Electrical Life: A minimum of 50,000 cycles is required to match the reliability profile of the original component.

Compliance Standards: RoHS3 compliance is mandatory for regulatory alignment in modern manufacturing environments.

The substitute part 1977737-2 (TE Connectivity ALCOSWITCH Switches) meets these core substitution criteria, though with specific parameter variations noted in the comparison table below.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement in DC-Only Applications: The 1977737-2 substitute is suitable when the application operates exclusively in DC mode at currents not exceeding 60mA and voltages not exceeding 30V. The substitute's active product status ensures ongoing availability and supply chain continuity.

For AC Applications or Higher Current Requirements: The MB2011SD3G01-CC specifications cannot be fully replicated by the 1977737-2 substitute due to the absence of AC voltage rating and the lower current rating (60mA versus 0.4VA). Alternative substitutes meeting AC specifications should be evaluated.

Temperature Consideration: Applications requiring operation below -20°C or above 80°C exceed the substitute's operating range. The original MB2011SD3G01-CC specification of -30°C to 85°C should be maintained if these conditions are present.

Mechanical Compatibility: The actuator type differs between the main part (round button) and substitute (plunger for cap). Panel cutout dimensions and actuator engagement must be verified before implementation.

Compliance Alignment: Both components meet ROHS3 compliance and MSL 1 requirements, supporting modern manufacturing and environmental standards.

Frequently Asked Questions (FAQ)

Q: Can the 1977737-2 directly replace the MB2011SD3G01-CC in all applications?

A: No. The substitute is suitable only for DC applications operating at 60mA or below and 30V or below. AC applications and higher current requirements require alternative evaluation.

Q: What is the primary reason for seeking a substitute for the MB2011SD3G01-CC?

A: The MB2011SD3G01-CC is obsolete. The 1977737-2 is an active product from TE Connectivity, ensuring continued availability and supply chain support.

Q: Are there mechanical compatibility concerns between these parts?

A: Yes. The actuator types differ (round button versus plunger for cap). Panel cutout dimensions and mounting engagement must be verified for mechanical fit before implementation.

Q: Does the substitute meet the same electrical life specification?

A: Yes. Both components are rated for 50,000 electrical cycles, providing equivalent reliability in this parameter.

Q: What temperature range limitations apply to the substitute?

A: The 1977737-2 operates from -20°C to 80°C, which is narrower than the original part's -30°C to 85°C range. Applications requiring operation outside this range require alternative components.

Q: Are both components RoHS compliant?

A: Yes. Both the MB2011SD3G01-CC and 1977737-2 meet ROHS3 compliance requirements.

Q: What is the current rating difference, and does it matter?

A: The original part is rated 0.4VA (AC/DC), while the substitute is rated 60mA (DC only). For applications requiring AC operation or currents exceeding 60mA, the substitute is not suitable.