H12WD4850PG Equivalent & Substitute Parts

Part Overview

The H12WD4850PG is a solid state relay (SSR) manufactured by Sensata-Crydom, classified as a SPST-NO (1 Form A) hockey puck configuration. This component functions as an AC output relay with zero-cross switching capability, rated for 50A load current across a 48V to 660V operating range. The device is actively produced and maintains full RoHS3 compliance with REACH affected status. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the specified parameter constraints.

Substiute Parts

H12WD4850PG

Sensata-CrydomIn Stock: 1064H12WD4850PG Datasheet

Current PartRFQ

84138120N

CrouzetIn Stock: 95584138120N Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the H12WD4850PG is determined by the following critical parameters:

• Circuit configuration must remain SPST-NO (1 Form A)
• Output type must be AC with zero-cross switching
• Input voltage range must accommodate 4 ~ 32VDC
• Load current rating must equal or exceed 50A
• Package type must be hockey puck configuration
• Mounting type must be chassis mount
• Termination style must be screw terminal

The substitute part 84138120N (Crouzet GN+ series) meets these core requirements. However, the load voltage range differs: the substitute operates within 24V to 500V, which represents a narrower upper limit compared to the main part's 660V maximum. This difference must be evaluated against specific application requirements.

Parameter Comparison

Engineering Selection Recommendations

Both the H12WD4850PG and 84138120N are active production components with current availability. The primary distinction lies in load voltage specification: the H12WD4850PG supports operation up to 660V, while the 84138120N is rated to 500V maximum.

Selection between these parts depends on application load voltage requirements. For systems operating within the 24V to 500V range, both components provide equivalent functionality. For applications requiring operation above 500V, the H12WD4850PG is the appropriate selection.

Both components maintain compliance with applicable regulatory standards. The H12WD4850PG carries RoHS3 compliance with REACH affected status. The 84138120N carries RoHS compliance with REACH unaffected status. Regulatory requirements of the end application determine which compliance profile is necessary.

Frequently Asked Questions (FAQ)

Q: Can the 84138120N replace the H12WD4850PG in all applications?

A: The 84138120N is functionally equivalent for applications where load voltage does not exceed 500V. Applications requiring operation above 500V require the H12WD4850PG.

Q: Are the input control voltage ranges identical?

A: Both components accept 4 ~ 32VDC input voltage, providing identical control circuit compatibility.

Q: Do both relays use the same package and mounting configuration?

A: Both components use hockey puck package type with chassis mount configuration and screw terminal termination, ensuring mechanical and electrical interface compatibility.

Q: What is the significance of the load current rating?

A: Both components are rated for 50A load current, indicating identical current-handling capacity for AC output switching applications.

Q: How do RoHS compliance levels affect part selection?

A: RoHS3 compliance (H12WD4850PG) represents the current regulatory standard. RoHS compliance (84138120N) indicates earlier standard adherence. Selection depends on end-product regulatory requirements and regional market specifications.

Q: Are there differences in moisture sensitivity between these parts?

A: Both components carry MSL rating of 1 (Unlimited), indicating identical moisture sensitivity classification and storage requirements.