C&K 7101P3YCME Toggle Switch SPDT Equivalent & Substitute Parts

Part Overview

The C&K 7101P3YCME is a panel-mount toggle switch with SPDT (Single Pole Double Throw) configuration, rated for 5A at 120V AC and 28V DC. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system maintenance and new design implementations. The switch features a flat anti-rotation actuator, epoxy sealed terminals, and operates across a temperature range of -30°C to 85°C with an electrical life of 100,000 cycles.

Substiute Parts

7101P3YCME

C&KIn Stock: 7647101P3YCME Datasheet

Current PartRFQ

7101P3YCSE

C&KIn Stock: 6517101P3YCSE Datasheet

DirectRFQ

A123P32YCQ

ElectroswitchIn Stock: 1139A123P32YCQ Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by matching the following critical parameters: circuit configuration (SPDT), switch function (On-On), mounting type (panel mount), termination style (PC Pin), and bushing thread specification (1/4-40). Current and voltage ratings must meet or exceed the original specification. Actuator length and panel cutout dimensions must be compatible with existing mechanical installations.

Two substitute categories are identified:

Direct Manufacturer Substitute (C&K 7101P3YCSE): Identical electrical specifications, same series, same mechanical interface, and active product status. Differs only in RoHS compliance classification and REACH status.

Similar Manufacturer Substitute (Electroswitch A123P32YCQ): Meets core electrical requirements with higher current rating (6A vs 5A) and voltage rating (125V vs 120V AC). Maintains SPDT configuration, panel mount design, PC Pin termination, and 1/4-40 bushing thread. Actuator length and panel cutout dimensions differ slightly but remain within functional compatibility parameters.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement: The C&K 7101P3YCSE is the primary substitute for the obsolete 7101P3YCME. Both components share identical electrical ratings, mechanical dimensions, and functional characteristics. The 7101P3YCSE maintains active product status and RoHS compliance, eliminating obsolescence risk. Selection of this part requires no design modification or mechanical rework.

For Alternative Applications: The Electroswitch A123P32YCQ provides functional substitution with enhanced electrical specifications. The 6A current rating and 125V AC voltage rating exceed the original 5A/120V requirements, offering design margin for applications with potential load growth. The extended operating temperature range (-30°C to 90°C) provides additional environmental tolerance. However, the reduced electrical life (60,000 cycles versus 100,000 cycles) and different actuator geometry require evaluation against application duty cycle requirements. Panel cutout dimensions are not specified for the A123P32YCQ; mechanical fit verification is necessary before implementation.

Frequently Asked Questions (FAQ)

Q: Can the C&K 7101P3YCSE directly replace the 7101P3YCME without any modifications?

A: Yes. The 7101P3YCSE is mechanically and electrically identical to the 7101P3YCME. Both components feature the same panel cutout dimensions (6.35mm circular), bushing thread (1/4-40), actuator length (11.43mm), and electrical ratings. No design changes or mechanical rework are required.

Q: What are the key differences between the C&K 7101P3YCSE and the Electroswitch A123P32YCQ?

A: The primary differences are: (1) Current rating: A123P32YCQ is rated for 6A versus 5A for the 7101P3YCSE; (2) AC voltage rating: A123P32YCQ is rated for 125V versus 120V; (3) Electrical life: A123P32YCQ provides 60,000 cycles versus 100,000 cycles; (4) Actuator geometry: A123P32YCQ uses a flatted actuator versus flat anti-rotation; (5) Operating temperature: A123P32YCQ extends to 90°C versus 85°C. Panel cutout dimensions are not specified for the A123P32YCQ.

Q: Is the Electroswitch A123P32YCQ suitable for applications requiring 100,000 electrical cycles?

A: The A123P32YCQ is rated for 60,000 electrical cycles. Applications requiring 100,000 cycles should use the C&K 7101P3YCSE, which matches the original specification.

Q: What is the impact of the different actuator types between the main part and substitutes?

A: The 7101P3YCME and 7101P3YCSE both feature flat anti-rotation actuators, which prevent unintended rotation during installation and operation. The A123P32YCQ uses a flatted actuator design. This difference affects actuator geometry and may impact panel mounting aesthetics and tactile feedback, but does not affect electrical function or circuit performance.

Q: Are all substitute parts RoHS compliant?

A: Yes. The C&K 7101P3YCSE is RoHS compliant, and the Electroswitch A123P32YCQ is RoHS compliant. Both meet current environmental and regulatory requirements.

Q: What should be verified before selecting the Electroswitch A123P32YCQ?

A: Verify that the application duty cycle does not exceed 60,000 electrical cycles. Confirm mechanical compatibility by checking that the panel cutout and mounting interface accommodate the A123P32YCQ's actuator geometry. Validate that the higher current and voltage ratings do not introduce unintended circuit behavior in the application.