Equivalent & Substitute Parts for C&K 7101SCWCKE Toggle Switch SPDT

Part Overview

The C&K 7101SCWCKE is a toggle switch with SPDT (Single Pole Double Throw) configuration rated for 0.4VA at 20V, designed for panel mount applications. This part is classified as obsolete, making identification of equivalent and substitute components essential for ongoing system support and new design implementations. The 7101SCWCKE belongs to the C&K 7000 series and features PC pin termination with IP67 ingress protection suitable for sealed enclosure applications.

Substiute Parts

7101SCWCKE

C&KIn Stock: 10367101SCWCKE Datasheet

Current PartRFQ

7101SCWCPE

C&KIn Stock: 10767101SCWCPE Datasheet

DirectRFQ

34ASP11B1M2RT

Grayhill Inc.In Stock: 82334ASP11B1M2RT Datasheet

SimilarRFQ

34ASP11B9M2QT

Grayhill Inc.In Stock: 89434ASP11B9M2QT Datasheet

SimilarRFQ

A123S1CWCB

ElectroswitchIn Stock: 785A123S1CWCB Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 7101SCWCKE is determined by strict alignment of the following critical parameters:

Primary Compatibility Criteria:

• Circuit configuration: SPDT
• Switch function: On-On
• Mounting type: Panel Mount
• Termination style: PC Pin
• Bushing thread: 1/4-40
• Actuator type: Standard Round

Electrical Compatibility Criteria:

• Current rating: 0.4VA (AC/DC) minimum
• Voltage rating - AC: 20V minimum
• Voltage rating - DC: 20V minimum
• Operating temperature range: Must encompass -30°C to 85°C

Mechanical Compatibility Criteria:

• Panel cutout dimensions: Circular - 6.35mm Dia
• Actuator length: Tolerance within mechanical assembly constraints

Substitute parts are grouped into two categories: direct manufacturer equivalents from C&K and cross-manufacturer alternatives that meet all electrical and mechanical parameters.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent - Recommended for Obsolete Part Replacement:

The C&K 7101SCWCPE is the primary substitute for the obsolete 7101SCWCKE. Both parts share identical electrical ratings (0.4VA at 20V AC/DC), mechanical dimensions, and functional characteristics. The 7101SCWCPE maintains active product status with 1043 units in stock, ensuring supply chain continuity. Both parts are RoHS compliant and feature identical IP67 ingress protection and 100,000 cycle electrical life ratings. The 7101SCWCPE is the preferred selection for direct replacement in existing designs.

Cross-Manufacturer Alternatives:

The Grayhill 34ASP11B1M2RT meets all primary electrical and mechanical compatibility criteria with matching 0.4VA at 20V ratings and identical panel mount configuration. However, this part exhibits reduced electrical life (40,000 cycles versus 100,000 cycles) and does not specify IP67 ingress protection. Selection of this alternative requires confirmation that reduced cycle life and unspecified ingress protection are acceptable for the application.

The Grayhill 34ASP11B9M2QT and Electroswitch A123S1CWCB exceed the electrical requirements of the 7101SCWCKE with higher current and voltage ratings. These parts are suitable only for applications where the original 0.4VA at 20V specification is not a hard constraint and where the higher ratings provide design margin. The 34ASP11B9M2QT provides significantly higher current capacity (5A) and voltage (125V AC), while the A123S1CWCB provides moderate increases (0.5VA at 28V).

Compliance Considerations:

All substitute parts maintain RoHS compliance. The 7101SCWCPE carries REACH Affected status, while the 7101SCWCKE and Grayhill parts are REACH Unaffected. The Electroswitch A123S1CWCB lists REACH status as Vendor Undefined. All parts carry EAR99 ECCN classification.

Frequently Asked Questions (FAQ)

Q: Can the 7101SCWCPE directly replace the obsolete 7101SCWCKE without design modification?

A: Yes. The 7101SCWCPE is a direct equivalent with identical electrical ratings (0.4VA at 20V AC/DC), mechanical dimensions (6.35mm circular cutout, 1/4-40 bushing thread), termination style (PC Pin), and functional characteristics (SPDT On-On). Both parts feature 100,000 cycle electrical life and IP67 ingress protection. No design modification is required.

Q: What are the key differences between the C&K 7101SCWCPE and Grayhill 34ASP11B1M2RT?

A: Both parts share identical electrical ratings and mechanical mounting dimensions. The primary differences are: (1) Electrical life: 7101SCWCPE provides 100,000 cycles versus 34ASP11B1M2RT at 40,000 cycles; (2) Ingress protection: 7101SCWCPE specifies IP67 while 34ASP11B1M2RT does not specify ingress protection; (3) Manufacturer: C&K versus Grayhill Inc.

Q: Are the Grayhill 34ASP11B9M2QT and Electroswitch A123S1CWCB suitable replacements for the 7101SCWCKE?

A: These parts exceed the electrical specifications of the 7101SCWCKE. The 34ASP11B9M2QT is rated for 5A at 125V AC and 28V DC, while the A123S1CWCB is rated for 0.5VA at 28V. Both maintain compatible mechanical dimensions and panel mount configuration. Selection requires confirmation that the higher electrical ratings do not introduce design complications and that the reduced electrical life (40,000 cycles for Grayhill, 60,000 cycles for Electroswitch) is acceptable.

Q: What is the impact of the 0.26mm difference in actuator length between the 7101SCWCKE and cross-manufacturer alternatives?

A: The 7101SCWCKE has an actuator length of 10.67mm, while the Grayhill and Electroswitch alternatives measure 10.41mm. This 0.26mm difference is within typical mechanical assembly tolerances for panel mount switches. Compatibility depends on the specific panel thickness and actuator engagement requirements of the application. Mechanical verification is recommended for applications with tight panel specifications.

Q: Does the A123S1CWCB meet the panel cutout dimension requirement?

A: The A123S1CWCB does not specify panel cutout dimensions in the provided data. The 7101SCWCKE and other alternatives specify a circular 6.35mm diameter cutout. Confirmation of panel cutout compatibility with the Electroswitch part is required before selection.

Q: What is the significance of the REACH status differences among substitute parts?

A: The 7101SCWCKE and Grayhill parts are REACH Unaffected, indicating no REACH compliance obligations. The 7101SCWCPE is REACH Affected, requiring compliance with REACH regulations. The A123S1CWCB lists REACH status as Vendor Undefined. For applications subject to REACH requirements, the 7101SCWCPE and Grayhill alternatives provide clearer compliance status.