7305SCWZBE Toggle Switch 3PDT Equivalent & Substitute Parts

Part Overview

The 7305SCWZBE is a panel-mount toggle switch manufactured by C&K, featuring a 3PDT (three-pole, double-throw) circuit configuration with momentary-off-momentary (Mom-Off-Mom) switching function. This switch is rated for 0.4VA at 20V AC/DC and is designed for applications requiring sealed, waterproof operation in harsh environments. The part is currently active in production with 1106 units in stock. Substitute parts are identified when equivalent electrical ratings, mechanical compatibility, and circuit configurations are available from alternative manufacturers, enabling procurement flexibility and supply chain continuity.

Substiute Parts

7305SCWZBE

C&KIn Stock: 12147305SCWZBE Datasheet

Current PartRFQ

1003P4T1B1M1QEH

E-SwitchIn Stock: 12571003P4T1B1M1QEH Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 7305SCWZBE is determined by the following critical parameters:

Circuit Configuration: The substitute part must maintain 3PDT circuit topology to preserve switching functionality across all three poles and both throw positions.

Switch Function: Mom-Off-Mom operation must be preserved to ensure identical behavioral characteristics in the application.

Mounting Compatibility: Panel mount configuration with matching panel cutout diameter (6.35mm circular) and bushing thread (1/4-40) ensures mechanical interchangeability without enclosure redesign.

Electrical Ratings: The substitute part must support the application's voltage and current requirements. Parts with equal or higher ratings in both AC and DC domains are acceptable.

Termination Style: Solder lug termination must be maintained for circuit board integration compatibility.

Environmental Sealing: IP67 ingress protection rating indicates sealed operation; substitutes must maintain equivalent or superior environmental protection.

Compliance Standards: RoHS3 compliance and operating temperature range (-30°C to 85°C) must be met or exceeded.

The 1003P4T1B1M1QEH from E-Switch meets all substitution criteria with enhanced electrical ratings (5A at 120V AC, 28V DC) while maintaining identical mechanical and functional specifications.

Parameter Comparison

Engineering Selection Recommendations

Both the 7305SCWZBE and 1003P4T1B1M1QEH are active production parts with ROHS3 compliance and identical mechanical interfaces. Selection between these parts should be based on application electrical requirements:

7305SCWZBE (C&K): Select this part for applications operating at or below 20V AC/DC with current loads up to 0.4VA. This part is suitable for low-power control circuits and signal switching applications.

1003P4T1B1M1QEH (E-Switch): Select this part for applications requiring higher electrical capacity, including those operating up to 120V AC or 28V DC with current loads up to 5A. This part provides design margin for applications with potential future load increases or variable operating conditions.

Both parts maintain identical circuit topology, switching function, mechanical mounting, and environmental sealing characteristics. The choice between them is determined solely by the electrical load requirements of the specific application.

Frequently Asked Questions (FAQ)

Q: Can the 1003P4T1B1M1QEH be used as a direct replacement for the 7305SCWZBE?

A: Yes. Both parts share identical 3PDT circuit configuration, Mom-Off-Mom switching function, panel mount geometry (6.35mm circular cutout, 1/4-40 bushing thread), solder lug termination, and operating temperature range. The 1003P4T1B1M1QEH has higher electrical ratings (5A at 120V AC versus 0.4VA at 20V), making it suitable for applications within or exceeding the original part's electrical specifications.

Q: What are the key differences between these two parts?

A: The primary differences are electrical ratings. The 1003P4T1B1M1QEH supports 5A at 120V AC and 28V DC, compared to the 7305SCWZBE's 0.4VA at 20V AC/DC. The 1003P4T1B1M1QEH does not specify an ingress protection rating, whereas the 7305SCWZBE is rated IP67. All other mechanical, functional, and compliance parameters are identical.

Q: Are there any compatibility concerns with panel cutout dimensions?

A: No. Both parts require a 6.35mm circular panel cutout with 1/4-40 bushing thread. No enclosure modifications are necessary for substitution.

Q: Do both parts meet the same compliance standards?

A: Both parts are ROHS3 compliant and operate across the -30°C to 85°C temperature range. The 7305SCWZBE is REACH Affected; the 1003P4T1B1M1QEH is REACH Unaffected. Both carry EAR99 ECCN classification.

Q: Which part should be selected for a new design?

A: Selection depends on application electrical requirements. If the application operates at 20V or below with loads under 0.4VA, either part is acceptable. If the application may exceed these parameters or requires design margin, the 1003P4T1B1M1QEH is the appropriate choice.