C&K 7201P3DCBE2 Toggle Switch DPDT Equivalent & Substitute Parts

Part Overview

The C&K 7201P3DCBE2 is an active production toggle switch with DPDT (Double Pole Double Throw) circuit configuration, rated for 0.4VA at 20V AC/DC. This panel-mount switch features a flat anti-rotation actuator and PC pin termination, designed for applications requiring reliable switching in the 7000 series product line. Substitute parts are identified to provide alternative sourcing options when the primary part is unavailable or when design requirements permit equivalent electrical and mechanical specifications.

Substiute Parts

7201P3DCBE2

C&KIn Stock: 10247201P3DCBE2 Datasheet

Current PartRFQ

100DP1T1B1M2QEH

E-SwitchIn Stock: 8034100DP1T1B1M2QEH Datasheet

SimilarRFQ

100DP1T6B15M2RE

E-SwitchIn Stock: 891100DP1T6B15M2RE Datasheet

SimilarRFQ

2-1825138-4

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

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the C&K 7201P3DCBE2 are qualified based on the following critical parameters that determine functional equivalence:

Mandatory Matching Parameters:

• Circuit configuration: DPDT
• Switch function: On-On
• Current rating: 0.4VA (AC/DC)
• Voltage rating: 20V AC and 20V DC
• Mounting type: Panel Mount
• Panel cutout dimensions: Circular 6.35mm Dia
• Bushing thread: 1/4-40
• Termination style: PC Pin
• Operating temperature range: -30°C ~ 85°C

Allowable Variations:

• Actuator type (flat anti-rotation vs. standard round)
• Actuator length (within mechanical envelope constraints)
• Actuator material composition (brass with different plating)
• Electrical life cycles (provided minimum operational requirements are met)
• Packaging format (tray vs. bulk)
• Manufacturer-specific terminal sealing features

All identified substitutes maintain electrical equivalence at the specified ratings and mechanical compatibility with the panel cutout and bushing specifications.

Parameter Comparison

Engineering Selection Recommendations

E-Switch 100DP1T6B15M2RE is the primary substitute for the C&K 7201P3DCBE2. This part maintains identical electrical ratings (0.4VA, 20V AC/DC), mechanical interface specifications (panel cutout, bushing thread, PC pin termination), and operating temperature range. The flat anti-rotation actuator design matches the original specification. ROHS3 compliance and active product status confirm ongoing availability and regulatory alignment. Actuator length variation (12.30mm vs. 13.21mm) remains within typical mechanical envelope tolerances for panel-mount toggle switches.

E-Switch 100DP1T1B1M2QEH is a secondary substitute with higher electrical capacity (5A at 120V AC, 28V DC). This part is suitable only for applications where the design can accommodate elevated voltage and current ratings without adverse effects. The standard round actuator differs from the flat anti-rotation design of the original part. ROHS3 compliance and active status are confirmed.

TE Connectivity 2-1825138-4 (Gemini A series) maintains the 0.4VA, 20V AC/DC electrical specification and mechanical interface compatibility. However, electrical life rating (6,000 cycles) is significantly lower than the original part (100,000 cycles). This substitute is appropriate only for applications with limited switching cycle requirements. ROHS3 compliance is confirmed; REACH status is affected.

All three substitutes are active production parts with ROHS3 compliance and compatible mechanical interfaces. Selection should be based on electrical life requirements, actuator geometry constraints, and regulatory compliance needs specific to the application.

Frequently Asked Questions (FAQ)

Q: Can E-Switch 100DP1T1B1M2QEH be used as a direct replacement for the C&K 7201P3DCBE2?

A: No. While both parts share DPDT configuration and panel-mount interface, the E-Switch part has significantly higher electrical ratings (5A, 120V AC). Direct substitution is only appropriate if the application design can accommodate these elevated ratings without circuit modification or if the lower ratings of the original part are not required.

Q: What is the significance of the actuator length difference between the C&K 7201P3DCBE2 (13.21mm) and substitute parts?

A: Actuator length affects the physical reach and tactile engagement with the panel-mounted switch. The C&K part has a longer actuator (13.21mm) compared to E-Switch 100DP1T6B15M2RE (12.30mm) and both E-Switch 100DP1T1B1M2QEH and TE Connectivity 2-1825138-4 (10.41mm). Substitution is acceptable if the panel cutout depth and user interface design accommodate the shorter actuator length.

Q: Why does the TE Connectivity 2-1825138-4 have a lower electrical life rating (6,000 cycles)?

A: Electrical life is determined by the internal contact design and material composition. The TE Connectivity part is rated for 6,000 cycles compared to 100,000 cycles for the C&K original and 40,000 cycles for E-Switch alternatives. This part is suitable only for applications with infrequent switching operations or where extended electrical life is not a design requirement.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All identified substitutes—E-Switch 100DP1T6B15M2RE, E-Switch 100DP1T1B1M2QEH, and TE Connectivity 2-1825138-4—are ROHS3 compliant, matching the regulatory status of the C&K 7201P3DCBE2.

Q: What is the difference between flat anti-rotation and standard round actuators?

A: Flat anti-rotation actuators prevent unintended rotation of the switch handle and provide directional tactile feedback. Standard round actuators allow free rotation. The C&K 7201P3DCBE2 and E-Switch 100DP1T6B15M2RE feature flat anti-rotation design, while E-Switch 100DP1T1B1M2QEH and TE Connectivity 2-1825138-4 use standard round actuators. Selection depends on panel interface design and user interaction requirements.

Q: Can packaging format (tray vs. bulk) affect substitution decisions?

A: Packaging format does not affect electrical or mechanical compatibility. The C&K 7201P3DCBE2 is supplied in tray packaging, while all substitutes are supplied in bulk packaging. Packaging selection is determined by procurement and inventory management requirements, not functional equivalence.