MB2065LD3G01-CC Equivalent & Substitute Parts

Part Overview

The MB2065LD3G01-CC is a pushbutton switch manufactured by NKK Switches, classified as SPDT (Single Pole Double Throw) with On-On switching function. This component is rated for 0.4VA at 28V AC/DC operation and features 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 where continued supply cannot be guaranteed.

Substiute Parts

MB2065LD3G01-CC

NKK SwitchesIn Stock: 1133MB2065LD3G01-CC Datasheet

Current PartRFQ

1977739-1

TE Connectivity ALCOSWITCH SwitchesIn Stock: 9851977739-1 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MB2065LD3G01-CC is determined by the following critical parameters:

Primary Compatibility Criteria:

• Circuit configuration must be SPDT
• Switch function must be On-On
• Mounting type must be Panel Mount, Rear
• Termination style must be Solder Lug
• Voltage rating must equal or exceed 28V AC/DC
• Current rating must equal or exceed 0.4VA

Secondary Compatibility Criteria:

• RoHS3 compliance status
• Operating temperature range must encompass or exceed -30°C ~ 85°C
• Actuator type compatibility with panel cutout dimensions

The substitute part 1977739-1 meets the primary circuit and mounting requirements. However, electrical performance parameters differ significantly, requiring engineering evaluation for specific application contexts.

Parameter Comparison

Engineering Selection Recommendations

The 1977739-1 substitute part satisfies the fundamental circuit topology requirements (SPDT, On-On, Panel Mount, Rear, Solder Lug termination) and maintains ROHS3 compliance. However, the following electrical parameter differences must be evaluated against application requirements:

Electrical Performance Differences:

• The substitute provides higher current capacity (3A vs. 0.4VA), which is acceptable for low-power applications
• The substitute voltage rating (125V AC) exceeds the original specification (28V AC/DC)
• DC voltage rating for the substitute is not specified in available documentation
• Electrical life cycle rating is lower (25,000 vs. 50,000 cycles)

Physical and Environmental Differences:

• Operating temperature range is narrower (-20°C ~ 80°C vs. -30°C ~ 85°C)
• Ingress protection rating is not specified for the substitute
• Actuator type differs (Plunger for Cap vs. Round Button), which may affect panel cutout compatibility

The substitute part is suitable for applications operating within the specified temperature range, where the lower electrical life cycle is acceptable, and where DC voltage operation is not required or can be verified through additional testing.

Frequently Asked Questions (FAQ)

Q: Can the 1977739-1 directly replace the MB2065LD3G01-CC in all applications?

A: The 1977739-1 meets the core circuit requirements (SPDT, On-On configuration) and mounting specifications. However, application-specific evaluation is required for temperature extremes below -20°C or above 80°C, DC voltage operation, and environments requiring IP67 ingress protection.

Q: What is the significance of the current rating difference (0.4VA vs. 3A)?

A: The substitute part has higher current-carrying capacity. For low-power signal switching applications (0.4VA range), this difference does not present a compatibility issue. The higher rating provides additional margin but does not affect switching performance at the original specification level.

Q: Does the lower electrical life cycle (25,000 vs. 50,000 cycles) affect substitution suitability?

A: Electrical life cycle rating indicates expected switch durability under rated conditions. Applications requiring fewer than 25,000 switching cycles are unaffected. Applications approaching or exceeding 25,000 cycles require evaluation of duty cycle and replacement interval planning.

Q: Are there physical compatibility concerns with the different actuator types?

A: The original part features a round button actuator; the substitute uses a plunger-type actuator. Panel cutout dimensions and operator interface requirements must be verified. The original specifies a circular 6.50mm diameter cutout; the substitute cutout dimensions are not provided and must be confirmed with the manufacturer.

Q: What compliance certifications apply to both parts?

A: Both parts are ROHS3 compliant and carry EAR99 ECCN classification. Both are classified under HTSUS 8536.50.9033. The substitute manufacturer status is listed as Active, ensuring continued availability and support.