Electroswitch D2C0303N Rotary Switch Equivalent & Substitute Parts

Part Overview

The Electroswitch D2C0303N is a panel-mount rotary switch featuring 2 to 3 selectable positions with 3 poles and 3 throws (3P3T) per deck. Rated for 250mA AC at 115V and 550mA DC at 28V, this non-shorting contact switch is designed for applications requiring reliable position selection with adjustable index stops. The part is currently active in production with full RoHS compliance and 788 units in stock.

Substitute parts are identified when equivalent electrical ratings, mechanical mounting specifications, and contact configurations are maintained across the Electroswitch D2 series, allowing direct replacement in applications where position count flexibility is acceptable.

Substiute Parts

D2C0303N

ElectroswitchIn Stock: 818D2C0303N Datasheet

Current PartRFQ

D2D0305N

ElectroswitchIn Stock: 1211D2D0305N Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The D2C0303N qualifies for substitution with the D2D0305N based on the following alignment of critical electrical and mechanical parameters:

Maintained Parameters (Substitution Basis):

• Manufacturer: Electroswitch (same manufacturer, D2 series family)
• Current Rating: 250mA AC / 550mA DC (identical)
• Voltage Rating: 115V AC / 28V DC (identical)
• Contact Timing: Non-Shorting (BBM) (identical)
• Mounting Type: Panel Mount (identical)
• Termination Style: Solder Lug (identical)
• Contact Material & Finish: Brass with Silver finish (identical)
• Product Status: Active (both in production)
• RoHS Compliance: Both RoHS Compliant

Variable Parameter (Allows Substitution):

• Number of Positions: D2C0303N supports 2~3 positions; D2D0305N supports 2~5 positions. The D2D0305N provides extended position capability while maintaining all electrical and mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

Both the D2C0303N and D2D0305N are active production parts with full RoHS compliance and identical electrical performance specifications. Selection between these parts depends on application requirements:

D2C0303N is appropriate for applications requiring exactly 2 to 3 selectable positions with a smaller actuator diameter (3.17mm) and panel cutout (6.76mm).

D2D0305N is appropriate for applications requiring 2 to 5 selectable positions with a larger actuator diameter (6.35mm) and panel cutout (9.78mm). This part provides extended position flexibility while maintaining identical current and voltage ratings.

Both parts maintain identical contact timing (non-shorting), contact material composition, and termination methodology. Panel depth behind the mounting surface differs marginally (12.19mm versus 11.99mm), which is negligible for most panel-mount applications.

Frequently Asked Questions (FAQ)

Q: Can D2D0305N directly replace D2C0303N in existing designs?

A: Direct replacement is possible only if the application panel cutout can accommodate the larger 9.78mm diameter requirement (versus 6.76mm for D2C0303N) and if the actuator diameter increase from 3.17mm to 6.35mm is mechanically compatible with the control interface.

Q: Are the electrical ratings identical between these parts?

A: Yes. Both parts are rated for 250mA AC at 115V and 550mA DC at 28V with identical non-shorting contact timing and brass/silver contact construction.

Q: What is the primary difference between D2C0303N and D2D0305N?

A: The primary difference is position count capability. D2C0303N supports 2 to 3 positions (3P3T), while D2D0305N supports 2 to 5 positions (3P5T). The D2D0305N also features a larger actuator and panel cutout diameter.

Q: Are both parts RoHS compliant?

A: Yes. Both D2C0303N and D2D0305N are RoHS compliant and suitable for applications requiring environmental compliance.

Q: What are the mechanical constraints for substitution?

A: Panel cutout diameter and actuator diameter are the primary mechanical constraints. Verify that the panel can accommodate the D2D0305N's 9.78mm cutout diameter and that the control mechanism is compatible with the 6.35mm actuator diameter before substitution.