A53DP50D Equivalent & Substitute Parts Reference

Part Overview

The A53DP50D is a solid-state relay (SSR) module manufactured by Sensata-Crydom, configured as a 3PST-NO (3 Form A) relay with a 50A load current capacity and operating voltage range of 48V to 530V AC. This component is classified as obsolete, necessitating identification of active equivalent parts for continued system support and procurement.

Substiute Parts

A53DP50D

Sensata-CrydomIn Stock: 934A53DP50D Datasheet

Current PartRFQ

A53TP50D

Sensata-CrydomIn Stock: 868A53TP50D Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The A53TP50D qualifies as a direct equivalent to the A53DP50D based on the following critical parameters:

• Circuit Configuration: Both parts maintain identical 3PST-NO (3 Form A) switching architecture
• Load Current Rating: Both rated at 50A continuous load current
• Voltage Specifications: Both support 90 ~ 280VAC input and 48V ~ 530V load voltage range
• Output Characteristics: Both feature AC output with zero-cross switching
• Mounting and Termination: Both utilize chassis mount configuration with screw terminal connections
• Package Type: Both supplied as module packages

The primary distinction is product status: A53TP50D is active and currently manufactured, whereas A53DP50D is obsolete.

Parameter Comparison

Engineering Selection Recommendations

The A53TP50D is the direct functional equivalent for applications currently utilizing the A53DP50D. Selection of the A53TP50D is based on:

• Identical Electrical Specifications: All critical electrical parameters match the original part, ensuring drop-in compatibility in existing circuit designs
• Active Product Status: A53TP50D is currently manufactured and supported by Sensata-Crydom, providing long-term availability and supply chain stability
• Regulatory Compliance: A53TP50D carries ROHS3 compliance certification, meeting current environmental and material restriction standards
• Same Manufacturer: Both parts originate from Sensata-Crydom, ensuring consistent quality and performance characteristics

Frequently Asked Questions (FAQ)

Q: Can the A53TP50D be used as a direct replacement for the A53DP50D?

A: Yes. The A53TP50D is electrically and mechanically identical to the A53DP50D across all specified parameters, including circuit configuration, voltage ratings, current capacity, and mounting specifications.

Q: What is the primary reason for substitution?

A: The A53DP50D is classified as obsolete. The A53TP50D is the active equivalent part currently manufactured by Sensata-Crydom.

Q: Are there any differences in compliance or certifications?

A: The A53TP50D carries ROHS3 compliance certification, whereas the A53DP50D does not specify RoHS status. Both parts maintain the same ECCN and HTSUS classifications.

Q: Will the A53TP50D fit in existing mounting locations designed for the A53DP50D?

A: Yes. Both parts feature identical chassis mount configuration and screw terminal termination, ensuring mechanical compatibility in existing installations.

Q: Are there packaging differences between these parts?

A: The A53DP50D packaging is unspecified, while the A53TP50D is supplied in bulk packaging. This does not affect electrical or mechanical performance.