C&K 7105SYCKE Toggle Switch SPDT Equivalent & Substitute Parts

Part Overview

The C&K 7105SYCKE is a panel-mounted toggle switch with SPDT (Single Pole Double Throw) circuit configuration, rated for 0.4VA at 20V AC/DC. This component features momentary-off-momentary (Mom-Off-Mom) switching function with epoxy sealed terminals and operates across -30°C to 85°C. The 7105SYCKE is classified as obsolete, making identification of equivalent and substitute parts essential for ongoing design support and procurement continuity.

Substiute Parts

7105SYCKE

C&KIn Stock: 10027105SYCKE Datasheet

Current PartRFQ

7105SYCPE

C&KIn Stock: 7947105SYCPE Datasheet

DirectRFQ

3-1825137-6

TE Connectivity ALCOSWITCH SwitchesIn Stock: 15773-1825137-6 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 7105SYCKE is determined by strict equivalence across the following critical parameters:

• Circuit configuration (SPDT)
• Switch function (Mom-Off-Mom)
• Current and voltage ratings (0.4VA at 20V AC/DC)
• Mounting type (Panel Mount)
• Panel cutout dimensions (Circular - 6.35mm Dia)
• Bushing thread specification (1/4-40)
• Termination style (PC Pin)
• Operating temperature range (-30°C ~ 85°C)

Two substitute parts meet these criteria: the C&K 7105SYCPE (direct manufacturer equivalent) and the TE Connectivity ALCOSWITCH 3-1825137-6 (cross-manufacturer equivalent). Both maintain full electrical and mechanical compatibility with the original specification.

Parameter Comparison

Engineering Selection Recommendations

The C&K 7105SYCPE is the primary substitute for the obsolete 7105SYCKE. Both parts are from the same manufacturer's 7000 series, share identical electrical and mechanical specifications, and maintain equivalent RoHS compliance status. The 7105SYCPE is currently in active production with confirmed inventory availability.

The TE Connectivity ALCOSWITCH 3-1825137-6 provides a cross-manufacturer alternative that meets all critical electrical and mechanical requirements. This part is from the Gemini A series and maintains active product status. The actuator length differs by 0.26mm (10.41mm versus 10.67mm), which remains within typical mechanical tolerance for panel-mounted toggle switches. The electrical life specification is lower at 6,000 cycles compared to 40,000 cycles for the C&K alternatives; this difference should be evaluated against application duty cycle requirements.

Both substitute parts carry REACH Affected status, whereas the original 7105SYCKE is REACH Unaffected. Compliance verification with applicable regulations is required before final selection.

Frequently Asked Questions (FAQ)

Q: Can the 7105SYCPE directly replace the 7105SYCKE without PCB modifications?

A: Yes. The 7105SYCPE maintains identical panel cutout dimensions (6.35mm circular), bushing thread (1/4-40), and PC pin termination. No PCB layout changes are required.

Q: What is the significance of the actuator length difference between the C&K and TE Connectivity parts?

A: The TE Connectivity 3-1825137-6 has an actuator length of 10.41mm compared to 10.67mm for the C&K parts. This 0.26mm difference is within standard mechanical tolerance for panel-mounted switches and does not affect electrical function or panel mounting compatibility.

Q: How does the electrical life specification impact part selection?

A: The C&K 7105SYCPE and 7105SYCKE both specify 40,000 electrical cycles, while the TE Connectivity 3-1825137-6 specifies 6,000 cycles. Applications requiring high cycle counts should prioritize the C&K substitute. Applications with lower duty cycles may use either part.

Q: Are there compliance differences between the substitute parts?

A: The 7105SYCKE is REACH Unaffected, while both substitute parts (7105SYCPE and 3-1825137-6) are REACH Affected. All three parts are RoHS compliant. Regulatory compliance verification is required for your specific application and market.

Q: What packaging is available for each substitute part?

A: The C&K 7105SYCPE is available in standard packaging. The TE Connectivity 3-1825137-6 is supplied in bulk packaging. Confirm packaging requirements with your procurement specification.