MSSA114D Equivalent & Substitute Parts

Part Overview

The MSSA114D is a slide switch manufactured by TE Connectivity ALCOSWITCH Switches, classified as a Single Pole Double Throw (SPDT) switch with a 3A AC rating at 115V. This component features a through-hole mounting configuration with PC pin termination and non-shorting (BBM) contact timing. The product is currently obsolete, making identification of functionally equivalent alternatives necessary for ongoing design support, maintenance, and production continuity.

Substiute Parts

MSSA114D

TE Connectivity ALCOSWITCH SwitchesIn Stock: 867MSSA114D Datasheet

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1101M2S2CGE2

C&KIn Stock: 11091101M2S2CGE2 Datasheet

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1101M2S2CQE2

C&KIn Stock: 10041101M2S2CQE2 Datasheet

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1101M2S3CGE1

C&KIn Stock: 9231101M2S3CGE1 Datasheet

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1101M2S3CQE1

C&KIn Stock: 11471101M2S3CQE1 Datasheet

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1101M2S3CQE3

C&KIn Stock: 11721101M2S3CQE3 Datasheet

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1101M2S3CQI2

C&KIn Stock: 9781101M2S3CQI2 Datasheet

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1101M2S3CRE2

C&KIn Stock: 8981101M2S3CRE2 Datasheet

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1101M2S3CSE2

C&KIn Stock: 6941101M2S3CSE2 Datasheet

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CS12ANW03

NKK SwitchesIn Stock: 44543CS12ANW03 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the MSSA114D is determined by the following critical parameters:

Electrical Compatibility Requirements:

• Circuit configuration must be SPDT
• Switch function must be On-On
• Current rating must equal or exceed 3A
• Voltage rating (AC) must equal or exceed 115V
• Contact timing should be Non-Shorting (BBM) where specified

Mechanical Compatibility Requirements:

• Mounting type must be Through Hole
• Termination style must be PC Pin
• Actuator type must be Standard
• Contact material must be Copper or Copper Alloy
• Contact finish must be Silver or Gold

Environmental Compatibility Requirements:

• Operating temperature range must encompass or exceed -20°C ~ 65°C
• Mechanical and electrical life ratings should meet or exceed 30,000 cycles

The substitute parts identified are from C&K (1101M2S series) and NKK Switches (CS12ANW03). These alternatives meet or exceed the electrical and mechanical specifications of the MSSA114D while maintaining through-hole PC pin configuration compatibility.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Recommended for New Designs):

The C&K 1101M2S3CQE1 and 1101M2S3CQE3 are the preferred substitutes for the MSSA114D. Both parts are active products with ROHS3 compliance, providing long-term availability and regulatory alignment. These parts exceed the electrical specifications of the original component (6A at 120V AC versus 3A at 115V AC) while maintaining identical circuit configuration, mounting type, and termination style. The extended operating temperature range (-30°C ~ 65°C) provides additional environmental margin.

Secondary Substitute (Electrical Equivalence):

The NKK Switches CS12ANW03 provides electrical equivalence to the MSSA114D with identical current rating (3A AC) and superior voltage rating (125V AC). This part maintains non-shorting (BBM) contact timing, matching the original specification. The CS12ANW03 offers the highest mechanical life rating (50,000 cycles) among all substitutes and extended operating temperature range (-30°C ~ 85°C). ROHS3 compliance ensures regulatory compliance for new applications.

Alternative Substitutes (Higher Current Capacity):

The C&K 1101M2S2CGE2 and 1101M2S2CQE2 provide increased current capacity (6A AC/DC) with shorter actuator length (3.56mm) compared to the 1101M2S3 series. These parts are suitable for applications requiring higher current handling with compact form factor. The 1101M2S2CGE2 is ROHS3 compliant, while 1101M2S2CQE2 is RoHS non-compliant.

Compliance Considerations:

All recommended substitutes carry REACH Unaffected status and EAR99 ECCN classification, matching the original part. ROHS3 compliance is available across most C&K alternatives and the NKK Switches option, supporting modern regulatory requirements. The 1101M2S2CQE2 is the only substitute with RoHS non-compliance status and should be avoided for applications requiring RoHS certification.

Frequently Asked Questions (FAQ)

Q: Can the MSSA114D be directly replaced with a C&K 1101M2S3CQE1?

A: Yes. The 1101M2S3CQE1 is a direct functional substitute. Both parts share identical SPDT circuit configuration, On-On switch function, through-hole mounting, and PC pin termination. The C&K part exceeds electrical specifications (6A at 120V AC versus 3A at 115V AC) and provides extended operating temperature range. Actuator length differs (5.08mm versus 2.79mm), requiring mechanical clearance verification in the application.

Q: What is the primary difference between the 1101M2S2 and 1101M2S3 series?

A: The primary difference is actuator length. The 1101M2S2 series has a 3.56mm actuator length, while the 1101M2S3 series has a 5.08mm actuator length. Both series provide identical electrical specifications (6A at 120V AC) and switch travel (2.16mm). Selection depends on available panel space and actuator accessibility requirements.

Q: Is the CS12ANW03 suitable for applications requiring the exact current rating of the MSSA114D?

A: Yes. The CS12ANW03 provides identical current rating (3A AC) and exceeds voltage rating (125V AC versus 115V AC). This part maintains non-shorting (BBM) contact timing, matching the original specification. The CS12ANW03 is preferred when current capacity must not exceed 3A and when maximum mechanical life (50,000 cycles) is required.

Q: What are the mechanical compatibility considerations when substituting the MSSA114D?

A: The primary mechanical consideration is actuator length. The MSSA114D has a 2.79mm actuator, while most C&K substitutes have longer actuators (3.56mm or 5.08mm). The CS12ANW03 has a 5.10mm actuator. Verify that the application panel or enclosure provides sufficient clearance for the longer actuator. Switch travel also differs slightly (3.05mm original versus 2.16mm to 2.20mm for substitutes), which may affect tactile feedback and mechanical engagement characteristics.

Q: Are all substitute parts RoHS compliant?

A: Most substitutes are ROHS3 compliant. The exception is the C&K 1101M2S2CQE2, which is RoHS non-compliant. For applications requiring RoHS certification, select from the following compliant alternatives: 1101M2S2CGE2, 1101M2S3CGE1, 1101M2S3CQE1, 1101M2S3CQE3, 1101M2S3CQI2, or CS12ANW03.

Q: What is the difference between contact finish options (Silver versus Gold)?

A: Contact finish affects electrical conductivity and corrosion resistance. Silver-finished contacts (MSSA114D, 1101M2S2CQE2, 1101M2S3CQE1, 1101M2S3CQE3, 1101M2S3CQI2, CS12ANW03) provide good conductivity and are suitable for general applications. Gold-finished contacts (1101M2S2CGE2, 1101M2S3CGE1) offer superior corrosion resistance and are preferred for high-reliability applications or environments with moisture exposure. Both finishes are compatible with the MSSA114D application requirements.

Q: How does electrical life rating affect component selection?

A: The MSSA114D has an electrical life of 30,000 cycles. Most C&K substitutes provide 40,000 cycles, exceeding the original specification. The CS12ANW03 provides 20,000 cycles, which is lower than the original. For applications requiring minimum 30,000 electrical cycles, avoid the CS12ANW03 unless the application duty cycle is verified to be within 20,000 cycles.

Q: What packaging options are available for the substitute parts?

A: The C&K 1101M2S series substitutes are available in Bulk packaging. The NKK Switches CS12ANW03 is available in Tray packaging. Packaging selection affects inventory management and component handling procedures. Verify packaging compatibility with assembly line requirements and storage conditions.