C&K 7301SPYCKE Toggle Switch 3PDT Equivalent & Substitute Parts

Part Overview

The C&K 7301SPYCKE is a 3PDT panel mount toggle switch rated for 0.4VA at 20V AC/DC with anti-rotation actuator and epoxy sealed terminals. This part is classified as obsolete, making equivalent substitutes necessary for new designs and ongoing production requirements. The 7000 series design remains functionally relevant, with active production alternatives available from both C&K and compatible manufacturers.

Substiute Parts

7301SPYCKE

C&KIn Stock: 10247301SPYCKE Datasheet

Current PartRFQ

7301SPYCPE

C&KIn Stock: 10337301SPYCPE Datasheet

DirectRFQ

A323P31DCQ

ElectroswitchIn Stock: 800A323P31DCQ Datasheet

SimilarRFQ

A323S1YCB

ElectroswitchIn Stock: 813A323S1YCB Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict alignment with the following critical parameters:

Primary Compatibility Criteria:

• Circuit configuration: 3PDT
• Switch function: On-On
• Mounting type: Panel Mount
• Termination style: PC Pin
• Bushing thread: 1/4-40
• Current rating: Equal to or greater than 0.4VA
• Voltage rating: Equal to or greater than 20V (both AC and DC)

Substitute Categories:

Direct Equivalent (C&K 7301SPYCPE): Maintains identical electrical specifications, mechanical interface, and feature set as the original part. Differs only in product status (Active vs. Obsolete) and RoHS compliance.

Compatible Alternatives (Electroswitch A323P31DCQ, A323S1YCB): Meet or exceed all critical electrical and mechanical parameters. These parts satisfy the functional requirements of the 7301SPYCKE while offering higher current ratings or voltage capabilities in certain configurations.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Preferred): Select C&K 7301SPYCPE when exact electrical and mechanical specifications must be maintained. This part provides identical performance to the original 7301SPYCKE while offering active product status and RoHS compliance. Electrical life rating remains at 100,000 cycles.

For Upgraded Performance: Electroswitch A323P31DCQ provides significantly higher current capacity (6A vs. 0.4VA) and AC voltage rating (125V vs. 20V), suitable for applications requiring greater power handling. DC voltage rating increases to 28V. Electrical life reduces to 60,000 cycles.

Electroswitch A323S1YCB offers marginal current increase (0.5VA vs. 0.4VA) and voltage increase (28V AC/DC vs. 20V) with reduced electrical life (60,000 cycles). This part bridges the gap between the original specification and higher-capacity alternatives.

Compliance Considerations: All substitute parts are RoHS compliant, addressing regulatory requirements that the original obsolete part does not meet. The 7301SPYCPE maintains C&K manufacturing continuity. Electroswitch alternatives provide independent sourcing options with active product status.

Frequently Asked Questions (FAQ)

Q: Can the 7301SPYCPE directly replace the 7301SPYCKE without circuit modification? A: Yes. The 7301SPYCPE maintains identical electrical ratings (0.4VA, 20V AC/DC), mechanical interface (panel mount, 1/4-40 bushing thread, 6.35mm circular cutout), and termination style (PC Pin). No circuit redesign is required.

Q: What is the primary difference between the original 7301SPYCKE and its direct substitute 7301SPYCPE? A: The 7301SPYCPE is an active production part with RoHS compliance, whereas the 7301SPYCKE is obsolete and RoHS non-compliant. Electrical specifications and mechanical dimensions are identical.

Q: Can Electroswitch A323P31DCQ be used in place of the 7301SPYCKE? A: Yes, with design consideration. The A323P31DCQ exceeds all critical parameters: 6A current (vs. 0.4VA), 125V AC (vs. 20V), and 28V DC (vs. 20V). The 3PDT circuit, On-On function, panel mount configuration, PC Pin termination, and 1/4-40 bushing thread are identical. Electrical life is 60,000 cycles versus 100,000 cycles for the original.

Q: What are the mechanical compatibility requirements for substitution? A: All substitute parts share identical panel mount configuration, 1/4-40 bushing thread, and PC Pin termination. The 7301SPYCPE maintains the 6.35mm circular panel cutout dimension. Electroswitch alternatives do not specify panel cutout dimensions but maintain the same bushing thread standard.

Q: Are there inventory or lead time advantages to selecting one substitute over another? A: The 7301SPYCPE (973 units in stock) and Electroswitch alternatives (A323P31DCQ: 746 units; A323S1YCB: 801 units) all maintain active inventory. Selection should prioritize electrical specification alignment with application requirements rather than inventory levels.

Q: How does electrical life rating affect part selection? A: The original 7301SPYCKE and direct substitute 7301SPYCPE are rated for 100,000 cycles. Electroswitch alternatives are rated for 60,000 cycles. Applications requiring extended cycle life should prioritize the C&K options.