PS2561D-1Y-V-H-A Optoisolator Equivalent & Substitute Parts

Part Overview

The PS2561D-1Y-V-H-A is a high-voltage isolation optoisolator designed for DC input applications requiring 5000Vrms galvanic isolation. This transistor-output optoisolator operates across an industrial temperature range and is housed in a 4-DIP through-hole package. The main part number variant is discontinued at DiGi Electronics, necessitating the identification of equivalent alternatives to maintain circuit design compatibility and system reliability.

Substiute Parts

PS2561D-1Y-V-H-A

CELIn Stock: 1114PS2561D-1Y-V-H-A Datasheet

Current PartRFQ

PS2561D-1Y-H-A

CELIn Stock: 1003PS2561D-1Y-H-A Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The PS2561D-1Y-H-A serves as a parametric equivalent to the PS2561D-1Y-V-H-A. Substitution validity is based on matching the following critical parameters:

• Isolation Voltage: 5000Vrms (non-negotiable for safety and regulatory compliance)
• Number of Channels: 1 (functional requirement)
• Current Transfer Ratio Range: 80% to 160% @ 5mA (operational performance specification)
• Output Type: Transistor (functional architecture)
• Voltage - Output (Max): 80V (load compatibility)
• Current - Output / Channel: 50mA (drive capability)
• Vce Saturation (Max): 300mV (switching performance)
• Operating Temperature Range: -55°C ~ 110°C (environmental tolerance)
• Package / Case: 4-DIP (0.300", 7.62mm) (board-level compatibility)

The substitute part PS2561D-1Y-H-A differs only in packaging specification (Bulk vs. the original tape-and-reel format), with identical electrical and thermal characteristics.

Parameter Comparison

Engineering Selection Recommendations

The PS2561D-1Y-H-A is a direct substitute for the PS2561D-1Y-V-H-A based on complete electrical and mechanical parameter alignment. Both parts are ROHS3 compliant and REACH unaffected, supporting regulatory requirements for industrial and commercial applications. The discontinued status of the primary variant necessitates transition to the substitute part for new procurement. The PS2561D-1Y-H-A is available in bulk packaging with 955 units in current inventory, ensuring supply continuity for production requirements.

Frequently Asked Questions (FAQ)

Q: What are the critical substitution criteria for the PS2561D-1Y-V-H-A? A: The 5000Vrms isolation voltage, transistor output type, 80% to 160% current transfer ratio, and 4-DIP through-hole package are non-negotiable parameters for functional equivalence. All electrical characteristics including output voltage, saturation voltage, and switching times must remain constant.

Q: How does packaging affect substitutability? A: The PS2561D-1Y-H-A differs only in bulk packaging format versus the original part's tape-and-reel delivery. This represents a supply chain variation with no impact on electrical performance, thermal characteristics, or circuit-level compatibility. The 4-DIP physical package dimensions remain identical.

Q: Are both parts suitable for the same operating temperature range? A: Yes. Both the PS2561D-1Y-V-H-A and PS2561D-1Y-H-A maintain the -55°C to 110°C operating temperature specification, providing equivalent thermal performance across industrial and commercial temperature environments.

Q: What compliance certifications apply to these optoisolators? A: Both parts are ROHS3 compliant and REACH unaffected, confirming compliance with environmental and hazardous substance regulations applicable to electronic component manufacturing and distribution.