Equivalent & Substitute Parts for MB2065SS1G30

Part Overview

The MB2065SS1G30 is an SPDT pushbutton switch manufactured by NKK Switches, designed for panel mount applications with right-angle rear termination. This component operates at 28V AC/DC with a 0.4VA current rating and features epoxy sealed PC pin terminals. The product is currently obsolete, making identification of functionally equivalent alternatives essential for system maintenance, repair, and redesign applications where continued supply is required.

Substiute Parts

MB2065SS1G30

NKK SwitchesIn Stock: 759MB2065SS1G30 Datasheet

Current PartRFQ

8161SHABE2

C&KIn Stock: 10008161SHABE2 Datasheet

SimilarRFQ

8436WCDB

APEM Inc.In Stock: 10488436WCDB Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MB2065SS1G30 is determined by the following critical parameters:

Primary Compatibility Criteria:

• Circuit configuration: SPDT
• Switch function: On-On
• Current rating: 0.4VA (AC/DC)
• Termination style: PC Pin
• Mounting type: Panel Mount, Right Angle, Rear
• Features: Epoxy Sealed Terminals

Voltage Consideration: The MB2065SS1G30 operates at 28V AC/DC. Substitute parts must support the application voltage. Parts rated at lower voltages (20V) may be used in applications where the actual operating voltage does not exceed the substitute's rating.

Mechanical Interface: Panel cutout diameter tolerance is critical for physical fit. The main part specifies 6.50mm circular cutout. Substitute 8161SHABE2 uses 6.35mm diameter, requiring panel modification. Substitute 8436WCDB matches the 6.50mm specification.

Lifecycle Parameters: Electrical life (50,000 cycles minimum) and mechanical life specifications determine operational durability. Substitute 8436WCDB provides reduced electrical life (30,000 cycles), which may impact long-cycle applications.

Parameter Comparison

Engineering Selection Recommendations

8436WCDB (APEM Inc.) - Preferred Substitute: This part provides the closest mechanical compatibility with matching 6.50mm panel cutout diameter, eliminating panel modification requirements. Operating temperature range extends to -40°C, exceeding the original specification. ROHS3 compliance and active product status ensure continued availability. The reduced electrical life specification (30,000 cycles versus 50,000 cycles) requires evaluation against application duty cycle requirements.

8161SHABE2 (C&K) - Alternative Substitute: This part maintains electrical life specification (50,000 cycles) and operating temperature floor (-30°C). Panel cutout diameter of 6.35mm requires 0.15mm panel modification or adapter consideration. REACH Affected status requires compliance verification for regulated applications. Active product status supports long-term supply continuity.

Both substitutes are ROHS3 compliant and maintain the critical SPDT circuit configuration, On-On function, 0.4VA current rating, and PC pin termination required for functional equivalence.

Frequently Asked Questions (FAQ)

Q: Can 8161SHABE2 or 8436WCDB be used in a 28V application? A: Both substitute parts are rated for 20V maximum. Direct use in 28V applications exceeds component ratings. Application voltage must be confirmed before substitution.

Q: What is the impact of the 6.35mm versus 6.50mm panel cutout difference? A: The 8161SHABE2 requires a 0.15mm smaller panel opening. Existing panels designed for MB2065SS1G30 (6.50mm) will require mechanical modification or use of a mounting adapter for 8161SHABE2 installation.

Q: Does the reduced electrical life of 8436WCDB affect reliability? A: The 8436WCDB specifies 30,000 electrical cycles versus 50,000 for the original part. Applications with high switching frequency or extended operational life requirements should evaluate cumulative cycle counts against expected service intervals.

Q: Are all substitutes RoHS compliant? A: Yes. MB2065SS1G30, 8161SHABE2, and 8436WCDB are all ROHS3 compliant, meeting environmental and regulatory requirements for electronics manufacturing.

Q: Which substitute provides the best temperature performance? A: The 8436WCDB extends the lower operating temperature to -40°C compared to -30°C for both the original part and 8161SHABE2, providing enhanced cold-weather performance.

Q: What is the significance of "Active" product status for substitutes? A: Active status indicates current manufacturing and distribution availability. Both 8161SHABE2 and 8436WCDB are actively produced, ensuring supply continuity for the obsolete MB2065SS1G30.