Equivalent & Substitute Parts for H10WD4890 Solid State Relay

Part Overview

The H10WD4890 is a solid state relay (SSR) manufactured by Sensata-Crydom, configured as a SPST-NO (1 Form A) device in a hockey puck package. This component is rated for 90A load current with input voltage range of 4–32VDC and load voltage range of 48–660VAC, featuring zero-cross switching for AC applications. The H10WD4890 is classified as obsolete, making equivalent substitutes necessary for new designs and ongoing system maintenance.

Substiute Parts

H10WD4890

Sensata-CrydomIn Stock: 1146H10WD4890 Datasheet

Current PartRFQ

H12WD4890

Sensata-CrydomIn Stock: 910H12WD4890 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the H10WD4890 is determined by electrical and mechanical parameter equivalence. The following criteria establish valid substitutes:

• Circuit Configuration: Must be SPST-NO (1 Form A)
• Output Type: Must be AC with zero-cross switching
• Voltage Ratings: Input 4–32VDC and load 48–660VAC
• Load Current: 90A continuous rating
• Package Type: Hockey puck form factor
• Mounting: Chassis mount configuration
• Termination: Screw terminal interface

The H12WD4890 meets all electrical and mechanical parameters specified for the H10WD4890, establishing it as a direct functional equivalent. The primary distinction is product status: the H12WD4890 is active production, whereas the H10WD4890 is obsolete.

Parameter Comparison

Engineering Selection Recommendations

The H12WD4890 is the direct substitute for the H10WD4890. Both components share identical electrical ratings and mechanical specifications. Selection of the H12WD4890 is supported by its active product status, ensuring availability and ongoing manufacturer support. The H12WD4890 carries ROHS3 compliance, meeting current environmental regulatory requirements. The transition from REACH Unaffected to REACH Affected status reflects current regulatory classification and does not impact functional compatibility.

Frequently Asked Questions (FAQ)

Q: Can the H12WD4890 replace the H10WD4890 in existing applications? A: Yes. The H12WD4890 is electrically and mechanically equivalent to the H10WD4890, with identical voltage ratings, current capacity, circuit configuration, and package form factor.

Q: What is the primary reason to substitute the H10WD4890? A: The H10WD4890 is classified as obsolete. The H12WD4890 provides functional equivalence with active product status and current regulatory compliance.

Q: Are there differences in termination or mounting between these parts? A: No. Both components use screw terminal termination and chassis mount configuration.

Q: Does the H12WD4890 require any circuit modifications for installation? A: No. The H12WD4890 maintains identical electrical specifications and package dimensions, allowing direct substitution without circuit redesign.

Q: What is the significance of the ROHS3 compliance on the H12WD4890? A: ROHS3 compliance indicates the H12WD4890 meets current Restriction of Hazardous Substances directives, making it suitable for applications subject to environmental regulations.