M2018SA2W13 Toggle Switch SPDT Equivalent & Substitute Parts

Part Overview

The M2018SA2W13 is a toggle switch manufactured by NKK Switches, classified as SPDT (Single Pole Double Throw) with momentary-off-momentary (Mom-Off-Mom) switching function. This through-hole mounted component is rated for 6A AC at 125V and 3A DC at 30V. The product is currently obsolete, making identification of compatible substitute parts essential for ongoing system maintenance and new design implementations where legacy compatibility is required.

Substiute Parts

M2018SA2W13

NKK SwitchesIn Stock: 946M2018SA2W13 Datasheet

Current PartRFQ

E105SD1CGE

C&KIn Stock: 1233E105SD1CGE Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the M2018SA2W13 is determined by the following critical parameters:

Circuit Configuration: Both main and substitute parts must maintain SPDT topology to preserve electrical functionality in the target application.

Switch Function: Mom-Off-Mom operation must be preserved to ensure identical user interaction and control behavior.

Mounting Type: Through-hole mounting is required for PCB compatibility with existing designs.

Termination Style: PC pin termination ensures mechanical and electrical compatibility with standard PCB footprints.

Voltage and Current Ratings: Substitute parts must meet or exceed the AC voltage (125V), AC current (6A), DC voltage (30V), and DC current (3A) requirements of the original component.

Operating Temperature Range: The substitute must support the -30°C to 85°C operating window.

Compliance Standards: RoHS3 compliance is mandatory for regulatory alignment.

The E105SD1CGE from C&K satisfies all substitution criteria and is classified as a direct equivalent.

Parameter Comparison

Engineering Selection Recommendations

The E105SD1CGE is a qualified substitute for the M2018SA2W13 based on the following engineering criteria:

Regulatory Compliance: Both components maintain ROHS3 compliance, ensuring alignment with current environmental and safety standards.

Product Availability: The E105SD1CGE is classified as active product status with 1209 units in stock, providing supply chain continuity for the obsolete M2018SA2W13.

Electrical Performance: The substitute component exceeds the original specifications in AC and DC current ratings (7.5A versus 6A AC and 3A DC), providing operational margin. DC voltage rating of 28V is within acceptable tolerance of the original 30V specification.

Mechanical Compatibility: Identical mounting type, termination style, and actuator configuration ensure direct PCB integration without redesign.

Reliability Enhancement: The E105SD1CGE demonstrates superior electrical life (40,000 cycles versus 25,000 cycles), indicating extended component longevity.

Frequently Asked Questions (FAQ)

Q: Can the E105SD1CGE directly replace the M2018SA2W13 in existing designs?

A: Yes. Both components share identical circuit configuration (SPDT), switch function (Mom-Off-Mom), mounting type (through-hole), termination style (PC pin), and operating temperature range (-30°C to 85°C). The substitute meets or exceeds all electrical specifications.

Q: What is the significance of the higher current rating on the E105SD1CGE?

A: The E105SD1CGE is rated for 7.5A AC/DC compared to the M2018SA2W13's 6A AC and 3A DC. This higher rating provides additional operational margin and does not create compatibility issues in applications designed for the original component's specifications.

Q: Are there any voltage rating differences to consider?

A: The E105SD1CGE DC voltage rating is 28V compared to the original 30V. This 2V difference is within acceptable engineering tolerance for most applications and does not compromise functionality in systems designed for the M2018SA2W13.

Q: What packaging format is the E105SD1CGE supplied in?

A: The E105SD1CGE is supplied in bulk packaging, whereas the original M2018SA2W13 packaging format is not specified in available documentation.

Q: Does the E105SD1CGE include additional features?

A: The E105SD1CGE includes IP57 ingress protection (dust protected, waterproof), which is not present in the M2018SA2W13. This represents an enhancement for applications requiring environmental protection.

Q: Are both components RoHS compliant?

A: Yes. Both the M2018SA2W13 and E105SD1CGE are ROHS3 compliant, meeting current regulatory requirements for electronic component manufacturing and use.