HD4890T-10 Equivalent & Substitute Parts

Part Overview

The HD4890T-10 is a solid state relay (SSR) manufactured by Sensata-Crydom, classified as a SPST-NO (1 Form A) hockey puck configuration. This component is designed for AC load switching applications with a rated load current of 90 A and operates across a voltage range of 48 V to 530 V. The part is currently in active production status with RoHS compliance and unlimited moisture sensitivity rating. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the specified parameter tolerances for this product category.

Substiute Parts

HD4890T-10

Sensata-CrydomIn Stock: 1009HD4890T-10 Datasheet

Current PartRFQ

84138150N

CrouzetIn Stock: 93184138150N Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the HD4890T-10 are qualified based on the following critical parameters that determine functional and mechanical interchangeability:

• Circuit configuration: SPST-NO (1 Form A) topology
• Load current rating: 90 A minimum
• Input control voltage: 4 ~ 32 VDC compatibility
• Output type: AC switching capability
• Mechanical form factor: Hockey puck chassis mount configuration
• Termination interface: Screw terminal connection
• Regulatory compliance: RoHS compliant status

The substitute part 84138150N (Crouzet GN+ series) meets these core substitution criteria. The load voltage range of 24 V ~ 500 V on the substitute part represents a subset of the main part's 48 V ~ 530 V range, establishing compatibility within the lower voltage threshold while maintaining the 90 A current rating and identical control voltage input specification.

Parameter Comparison

Engineering Selection Recommendations

Both the HD4890T-10 and 84138150N are active production components with RoHS compliance certification. Selection between these parts is determined by load voltage requirements within the application circuit. The HD4890T-10 supports the full voltage range of 48 V to 530 V, while the 84138150N operates within 24 V to 500 V. For applications operating above 500 V or below 48 V on the load side, the HD4890T-10 is the required selection. For applications within the 48 V to 500 V overlap range, both parts satisfy the electrical specification. The Crouzet 84138150N includes zero-cross switching functionality, which may provide additional benefits in specific AC load applications. Both components maintain identical input control voltage, current rating, and mechanical mounting characteristics.

Frequently Asked Questions (FAQ)

Q: What determines if 84138150N can replace HD4890T-10?

A: The substitute part must maintain SPST-NO circuit topology, 90 A load current rating, 4 ~ 32 VDC input control voltage, AC output switching, hockey puck mechanical form factor, screw terminal termination, and RoHS compliance. The 84138150N meets all these criteria. Load voltage compatibility must be verified: the substitute operates 24 V ~ 500 V, which overlaps with the main part's 48 V ~ 530 V range.

Q: Can HD4890T-10 be used in applications rated for 84138150N?

A: Yes, provided the application load voltage does not exceed 500 V. The HD4890T-10 supports the full 24 V to 500 V range of the substitute part and extends capability to 530 V. All other electrical and mechanical parameters are equivalent or superior.

Q: Are there packaging differences between these parts?

A: Both components use identical hockey puck chassis mount packaging with screw terminal termination. The main part is supplied in bulk packaging, while the substitute is supplied in box packaging. This does not affect functional compatibility.

Q: What is the significance of zero-cross switching on the Crouzet part?

A: Zero-cross switching is a feature present on the 84138150N that is not specified for the HD4890T-10. This feature synchronizes AC load switching to the zero-voltage point of the AC waveform, which can reduce electromagnetic interference and switching stress in certain applications. This is an additional capability of the substitute part.

Q: Are both parts suitable for new designs?

A: Both the HD4890T-10 and 84138150N are active production components. Either part is suitable for new designs, with selection based on load voltage requirements and the specific benefits of zero-cross switching functionality if required.