CWU2425 Equivalent & Substitute Parts

Part Overview

The CWU2425 is a solid-state relay (SSR) manufactured by Sensata-Crydom, configured as a single-pole, single-throw normally open (SPST-NO) device rated for 25A load current. This component operates with AC zero-cross switching and accepts input voltages ranging from 20–280VAC or 20–48VDC, with load voltage capability from 24–280V. The device features a hockey puck form factor with screw terminal connections and is mounted as a chassis component. The CWU2425 maintains active product status and is RoHS3 compliant.

Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or inventory requirements necessitate alternative sourcing while maintaining functional compatibility within the specified electrical and mechanical parameters.

Substiute Parts

CWU2425

Sensata-CrydomIn Stock: 952CWU2425 Datasheet

Current PartRFQ

84138013N

CrouzetIn Stock: 80084138013N Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CWU2425 is determined by strict equivalence across the following critical parameters:

• Circuit Configuration: SPST-NO (1 Form A) topology must be maintained
• Output Type: AC zero-cross switching capability required
• Load Current Rating: 25A minimum capacity
• Package Form Factor: Hockey puck mechanical envelope
• Termination: Screw terminal connection style
• Mounting: Chassis mount orientation

The substitute part 84138013N (Crouzet, GN+ series) satisfies these core requirements. Both devices operate as SPST-NO solid-state relays with identical load current ratings, matching package geometry, and compatible termination methods. Input and load voltage ranges overlap within acceptable operational boundaries for typical industrial applications.

Parameter Comparison

Engineering Selection Recommendations

Both the CWU2425 and 84138013N maintain active product status, ensuring continued availability and manufacturer support. The CWU2425 carries RoHS3 compliance, while the 84138013N is RoHS compliant. Both devices are classified under ECCN EAR99 and share the same HTSUS code (8536.49.0080), indicating equivalent regulatory treatment for export and trade purposes.

Selection between these parts should be based on application-specific voltage requirements. The CWU2425 supports input voltages up to 280VAC and load voltages up to 280V, while the 84138013N accommodates input voltages to 265VAC/DC and load voltages to 270V. For applications operating at the upper voltage boundaries, the CWU2425 provides extended headroom. Conversely, the 84138013N supports load voltages as low as 12V, compared to the CWU2425 minimum of 24V, making it suitable for lower-voltage switching applications.

Frequently Asked Questions (FAQ)

Q: Can the 84138013N directly replace the CWU2425 in all applications?

A: Direct replacement is valid when the application load voltage operates between 24–270V and input voltage remains within 20–265VAC/DC. Applications requiring input voltages above 265VAC or load voltages above 270V require the CWU2425.

Q: Are the physical dimensions identical between these two parts?

A: Both devices use the hockey puck form factor with screw terminal connections and chassis mount orientation, ensuring mechanical compatibility in standard mounting configurations.

Q: What is the significance of the zero-cross switching feature?

A: Zero-cross switching synchronizes relay activation with the AC voltage waveform zero-crossing point, reducing electromagnetic interference and extending load component life in AC applications.

Q: Do both parts require the same input control voltage?

A: Both devices accept input voltage ranges of 20–280VAC or 20–48VDC (CWU2425) and 20–265VAC/DC (84138013N). Verify that your control circuit voltage falls within the overlapping range of 20–265VAC/DC for guaranteed compatibility.

Q: What compliance certifications apply to both parts?

A: Both parts are RoHS compliant and classified as EAR99 for export control purposes. The CWU2425 specifically meets RoHS3 requirements. Both are REACH-affected or REACH-unaffected as specified by manufacturer documentation.