MX1A-F1NW Equivalent & Substitute Parts

Part Overview

The MX1A-F1NW is a pushbutton switch manufactured by Cherry Americas LLC, classified as a SPST-NO (Single Pole Single Throw - Normally Open) keyswitch with through-hole mounting. This component operates at 12V with a 10mA current rating and features a green plunger actuator. The part is currently listed as obsolete, necessitating identification of active equivalent alternatives that maintain electrical and mechanical compatibility for new designs or replacement applications.

Substiute Parts

MX1A-F1NW

Cherry Americas LLCIn Stock: 1068MX1A-F1NW Datasheet

Current PartRFQ

MX1A-11NW

Cherry Americas LLCIn Stock: 30121MX1A-11NW Datasheet

SimilarRFQ

MX1A-F1NN

Cherry Americas LLCIn Stock: 1157MX1A-F1NN Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MX1A-F1NW is determined by strict alignment with the following electrical and mechanical parameters:

Critical Matching Parameters:

• Circuit configuration: SPST-NO
• Switch function: Off-Mom (momentary operation)
• Current rating: 10mA (AC/DC)
• Voltage rating: 12V (AC and DC)
• Mounting type: Through hole
• Termination style: PC pin
• Actuator type: Plunger for cap
• Series: MX

Acceptable Variation Parameters:

• Actuator/cap color (green or black acceptable)
• Product status (active substitutes preferred for obsolete main part)
• Operating temperature range (substitute range must encompass or equal main part range)
• Mechanical or electrical life ratings (where specified)
• RoHS compliance status (both RoHS and ROHS3 acceptable)

The identified substitutes MX1A-11NW and MX1A-F1NN satisfy all critical matching parameters. Variations in actuator color and product status do not affect functional compatibility.

Parameter Comparison

Engineering Selection Recommendations

MX1A-F1NN is the primary substitute for the MX1A-F1NW. This part maintains identical electrical specifications, mechanical life rating, operating temperature range, and ingress protection classification. Both components feature green actuators and are manufactured by Cherry Americas LLC within the MX series. The MX1A-F1NN holds active product status and ROHS3 compliance, making it suitable for new designs and production environments.

MX1A-11NW serves as an alternative substitute when actuator color variation is acceptable. This part matches all critical electrical and circuit parameters. The operating temperature range is narrower (-10°C to 70°C versus -40°C to 70°C), which may limit suitability for applications requiring extended low-temperature operation. The MX1A-11NW features a black actuator and is available in bulk packaging with higher inventory levels. Ingress protection rating is not specified for this variant.

For applications requiring the original -40°C to 70°C operating range and IP40 ingress protection, MX1A-F1NN is the recommended selection. For applications with operating temperatures above -10°C where actuator color is not a design constraint, MX1A-11NW provides an alternative with greater availability.

Frequently Asked Questions (FAQ)

Q: Can MX1A-11NW replace MX1A-F1NW in all applications?

A: MX1A-11NW is electrically and mechanically compatible for applications operating above -10°C. Applications requiring operation at temperatures below -10°C must use MX1A-F1NN, which maintains the -40°C to 70°C range of the original part.

Q: What is the difference between MX1A-F1NN and MX1A-11NW?

A: Both parts share identical electrical specifications (SPST-NO, 10mA, 12V). Key differences are: MX1A-F1NN operates from -40°C to 70°C with IP40 ingress protection and green actuator; MX1A-11NW operates from -10°C to 70°C with black actuator and unspecified ingress protection. MX1A-11NW is available in bulk packaging.

Q: Is the actuator color change from green to black functionally significant?

A: Actuator color is a visual identifier only and does not affect electrical or mechanical function. Color selection depends on design requirements or user interface specifications.

Q: Why is MX1A-F1NW listed as obsolete?

A: Product obsolescence is determined by manufacturer discontinuation. Active equivalents MX1A-F1NN and MX1A-11NW are available for new designs and replacement applications.

Q: Are all three parts RoHS compliant?

A: Yes. MX1A-F1NW is RoHS Compliant. MX1A-11NW and MX1A-F1NN are ROHS3 Compliant, representing updated compliance certification.

Q: What does SPST-NO circuit configuration mean?

A: SPST-NO (Single Pole Single Throw - Normally Open) indicates the switch has one contact pair that opens and closes a single circuit path. In the off state, the circuit is open. Pressing the actuator closes the circuit momentarily.

Q: Can these switches be used interchangeably on the same PCB?

A: Yes, all three parts use identical PC pin termination and through-hole mounting, allowing direct PCB substitution without layout modification.