C&K 7201SY4CBE Toggle Switch DPDT Equivalent & Substitute Parts

Part Overview

The C&K 7201SY4CBE is an active-status panel-mount toggle switch with DPDT (Double Pole Double Throw) configuration, rated for 0.4VA at 20V AC/DC. This switch is designed for applications requiring reliable on-on switching functionality with epoxy-sealed terminals and a standard round actuator. Substitute parts are identified to provide equivalent electrical and mechanical performance for applications where the original part is unavailable or where alternative sourcing is required.

Substiute Parts

7201SY4CBE

C&KIn Stock: 8247201SY4CBE Datasheet

Current PartRFQ

100AWDP1T1B1M2REH

E-SwitchIn Stock: 1945100AWDP1T1B1M2REH Datasheet

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100DP1T1B1M2QEH

E-SwitchIn Stock: 8034100DP1T1B1M2QEH Datasheet

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100DP1T6B15M2RE

E-SwitchIn Stock: 891100DP1T6B15M2RE Datasheet

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2-1825138-4

TE Connectivity ALCOSWITCH SwitchesIn Stock: 18262-1825138-4 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts are grouped based on strict electrical and mechanical compatibility with the main part 7201SY4CBE. The following parameters determine substitution eligibility:

Critical Parameters (Must Match):

• Circuit Configuration: DPDT
• Switch Function: On-On
• Current Rating: 0.4VA (AC/DC)
• Voltage Rating - AC: 20V
• Voltage Rating - DC: 20V
• Mounting Type: Panel Mount
• Panel Cutout Dimensions: Circular - 6.35mm Dia
• Bushing Thread: 1/4-40
• Termination Style: PC Pin

Compatible Variation Parameters:

• Actuator Type: Standard Round or Flat Anti-Rotation
• Actuator Length: Within mechanical envelope constraints
• Electrical Life: Variation acceptable for equivalent duty cycles
• Actuator Material: Brass with Chrome or Nickel plating

Parts meeting all critical parameters are classified as direct substitutes. Parts with variations in non-critical parameters are noted for application-specific evaluation.

Parameter Comparison

Engineering Selection Recommendations

All substitute parts listed meet the critical electrical and mechanical parameters required for direct substitution with the C&K 7201SY4CBE. Selection among substitutes is based on the following compliance and operational considerations:

100AWDP1T1B1M2REH (E-Switch): This part provides REACH Unaffected status, which may be advantageous for applications subject to REACH compliance requirements. The IP67 ingress protection rating provides enhanced environmental sealing compared to the main part. Electrical life of 30,000 cycles is lower than the main part; applications requiring extended cycle life should account for this difference.

100DP1T6B15M2RE (E-Switch): This part features a Flat Anti-Rotation actuator design, which provides mechanical anti-rotation capability. The actuator length of 12.30mm is longer than the main part; panel cutout and mounting envelope compatibility must be confirmed for the specific application. REACH Unaffected status is available. Electrical life of 40,000 cycles is lower than the main part.

2-1825138-4 (TE Connectivity ALCOSWITCH): This part maintains REACH Affected status consistent with the main part. Electrical life of 6,000 cycles is significantly lower than the main part; applications with high cycle count requirements should not use this substitute. Actuator length of 10.41mm is compatible with the main part's mechanical envelope.

All substitute parts are ROHS3 compliant and maintain the same operating temperature range and termination style as the main part.

Frequently Asked Questions (FAQ)

Q: Can 100DP1T1B1M2QEH be used as a substitute for 7201SY4CBE?

A: No. The 100DP1T1B1M2QEH has a current rating of 5A and voltage ratings of 120V AC / 28V DC, which exceed the electrical specifications of the 7201SY4CBE (0.4VA at 20V). This part is not electrically equivalent and is not listed as an approved substitute.

Q: What is the difference between the actuator types in the substitute parts?

A: The main part 7201SY4CBE uses a Standard Round actuator. The 100DP1T6B15M2RE uses a Flat Anti-Rotation actuator, which provides mechanical anti-rotation capability to prevent unintended rotation. Standard Round actuators do not provide this feature. Selection depends on application requirements for actuator stability.

Q: Does the difference in electrical life affect substitution suitability?

A: Electrical life indicates the number of switching cycles the part is rated for under specified conditions. The main part 7201SY4CBE is rated for 100,000 cycles. Substitute parts have lower electrical life ratings (30,000 to 6,000 cycles). For applications with high cycle counts, the lower electrical life of substitutes must be evaluated against application duty cycle requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant, consistent with the main part 7201SY4CBE.

Q: What is the significance of REACH Affected versus REACH Unaffected status?

A: REACH Affected status indicates the part contains substances of concern regulated under REACH. REACH Unaffected status indicates the part does not contain these substances. For applications subject to REACH compliance requirements, parts with REACH Unaffected status (100AWDP1T1B1M2REH and 100DP1T6B15M2RE) may be preferred. The main part and 2-1825138-4 are REACH Affected.

Q: Can the 100DP1T6B15M2RE be used if the panel cutout is already sized for the main part?

A: The 100DP1T6B15M2RE has the same panel cutout dimensions (Circular - 6.35mm Dia) and bushing thread (1/4-40) as the main part, so it is mechanically compatible with existing panel cutouts. However, the actuator length of 12.30mm is longer than the main part's 10.67mm. Verify that the longer actuator does not interfere with surrounding components or panel geometry.

Q: Does the IP67 rating of 100AWDP1T1B1M2REH provide additional environmental protection?

A: Yes. The IP67 rating indicates the part is dust tight and waterproof, providing enhanced environmental sealing compared to the main part 7201SY4CBE, which does not specify an ingress protection rating. For applications requiring environmental sealing, the 100AWDP1T1B1M2REH offers this capability.