M2012SA1W45 Equivalent & Substitute Parts

Part Overview

The M2012SA1W45 is a toggle switch manufactured by NKK Switches, classified as SPDT (Single Pole Double Throw) with a 6A AC / 4A DC current rating and 125V AC / 30V DC voltage rating. This component features panel mount installation with right angle vertical orientation and non-illuminated operation. The product is currently obsolete, making identification of functionally equivalent alternatives necessary for ongoing maintenance, repair, and legacy system support applications.

Substiute Parts

M2012SA1W45

NKK SwitchesIn Stock: 918M2012SA1W45 Datasheet

Current PartRFQ

7101P4Y1AV2BE

C&KIn Stock: 10107101P4Y1AV2BE Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the M2012SA1W45 is determined by the following critical parameters:

Mandatory Matching Criteria:

• Circuit configuration: SPDT
• Switch function: On-On
• Mounting type: Panel mount with right angle vertical orientation
• Termination style: PC Pin
• Bushing thread: 1/4-40
• Panel cutout dimensions: Circular 6.50mm diameter

Electrical Compatibility Criteria: Substitute parts must meet or exceed the voltage and current ratings of the original component. The M2012SA1W45 operates at 125V AC / 30V DC with 6A AC / 4A DC capacity. Substitute components must support these electrical parameters or higher ratings to ensure safe operation in the original application circuit.

Environmental & Compliance Criteria: Operating temperature range (-30°C ~ 85°C) and RoHS3 compliance status are required for equivalent substitution in regulated applications.

The C&K 7101P4Y1AV2BE qualifies as a substitute based on matching circuit configuration (SPDT), switch function (On-On), mounting type (panel mount right angle vertical), termination style (PC Pin), and bushing thread (1/4-40). However, electrical rating differences exist and must be evaluated against specific application requirements.

Parameter Comparison

Engineering Selection Recommendations

The C&K 7101P4Y1AV2BE is available as an active product with ROHS3 compliance, providing supply continuity for applications currently using the obsolete M2012SA1W45. Both components share identical mechanical mounting specifications, circuit configuration, and operating temperature range.

Selection between these components must account for electrical rating differences. The M2012SA1W45 supports 125V AC / 30V DC operation at 6A AC / 4A DC, while the 7101P4Y1AV2BE operates at 20V AC/DC with 0.4VA capacity. The substitute part is suitable only for applications operating within its electrical specifications. Applications requiring the full voltage and current capacity of the original M2012SA1W45 cannot use the 7101P4Y1AV2BE without circuit redesign.

The 7101P4Y1AV2BE offers extended electrical life (100,000 cycles versus 25,000 cycles), which may provide improved reliability in high-cycle applications within its electrical rating envelope.

Frequently Asked Questions (FAQ)

Q: Can the C&K 7101P4Y1AV2BE directly replace the M2012SA1W45 in all applications?

A: Direct replacement is limited to applications operating at 20V or below with current requirements not exceeding 0.4VA. Applications requiring 125V AC or 30V DC operation cannot use this substitute without circuit modification.

Q: What are the mechanical compatibility considerations?

A: Both components use identical 1/4-40 bushing threads and panel mount right angle vertical orientation. The panel cutout diameter differs slightly (6.50mm versus 6.35mm), which may require minor panel modification depending on existing hole tolerances.

Q: Are both components RoHS3 compliant?

A: Yes, both the M2012SA1W45 and 7101P4Y1AV2BE are ROHS3 compliant, meeting regulatory requirements for restricted substance use.

Q: What is the difference in electrical life between these components?

A: The M2012SA1W45 is rated for 25,000 electrical cycles, while the 7101P4Y1AV2BE is rated for 100,000 cycles. The C&K component provides extended cycle life within its electrical rating specifications.

Q: How should I evaluate substitution feasibility for a specific application?

A: Verify that the application circuit operates within the substitute part's electrical specifications (20V AC/DC maximum, 0.4VA maximum). Confirm mechanical fit with the panel cutout dimensions. Assess whether extended electrical life provides operational benefits.