PS2561AL1-1-V-A Equivalent & Substitute Parts

Part Overview

The PS2561AL1-1-V-A is a single-channel optoisolator with transistor output manufactured by CEL. This component provides 5000Vrms isolation voltage and is housed in a 4-DIP package for through-hole mounting applications. The device is discontinued at DiGi Electronics, necessitating identification of equivalent substitute components that maintain electrical and mechanical compatibility for ongoing production and repair applications.

Substiute Parts

PS2561AL1-1-V-A

CELIn Stock: 19758PS2561AL1-1-V-A Datasheet

Current PartRFQ

PS2581AL1-A

Renesas Electronics CorporationIn Stock: 35189PS2581AL1-A Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PS2561AL1-1-V-A is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

• Isolation voltage: 5000Vrms
• Number of channels: 1
• Output type: Transistor
• Current transfer ratio range: 50% to 400% @ 5mA
• Maximum output voltage: 70V
• Maximum output current: 30mA
• Vce saturation: 300mV maximum
• Rise and fall time: 3µs and 5µs

Mechanical Parameters:

• Package type: 4-DIP (0.400", 10.16mm)
• Mounting type: Through Hole

Compliance Parameters:

• RoHS3 compliance
• Operating temperature range: -55°C ~ 100°C

The PS2581AL1-A manufactured by Renesas Electronics Corporation meets all specified electrical and mechanical parameters and qualifies as a parametric equivalent substitute.

Parameter Comparison

Engineering Selection Recommendations

The PS2581AL1-A is a direct parametric equivalent to the PS2561AL1-1-V-A across all specified electrical, mechanical, and compliance parameters. Both components are ROHS3 compliant and REACH affected, with identical isolation voltage, channel configuration, output characteristics, and package specifications.

The PS2581AL1-A carries a product status of "Not For New Designs," indicating it is in mature production phase. Selection of this substitute is appropriate for applications requiring direct replacement of the discontinued PS2561AL1-1-V-A in existing designs and production environments where component compatibility is the primary requirement.

Both components share the NEPOC series designation and identical performance specifications across all critical parameters. The through-hole 4-DIP package format ensures mechanical compatibility with existing printed circuit board layouts designed for the original PS2561AL1-1-V-A.

Frequently Asked Questions (FAQ)

Q: Can the PS2581AL1-A be used as a direct replacement for the PS2561AL1-1-V-A?

A: Yes. The PS2581AL1-A meets all electrical and mechanical specifications of the PS2561AL1-1-V-A, including isolation voltage, output current and voltage ratings, current transfer ratio, switching characteristics, operating temperature range, and 4-DIP package dimensions. Direct substitution is supported without circuit modification.

Q: Are there differences in packaging between these components?

A: Both components use identical 4-DIP (0.400", 10.16mm) through-hole packages. The PS2561AL1-1-V-A is supplied in standard packaging, while the PS2581AL1-A is supplied in tube packaging. This difference does not affect electrical performance or mechanical compatibility on the printed circuit board.

Q: What is the significance of the product status difference?

A: The PS2561AL1-1-V-A is discontinued at DiGi Electronics, while the PS2581AL1-A is marked "Not For New Designs." Both statuses indicate mature product phases. The PS2581AL1-A remains available in inventory and is suitable for replacement applications and ongoing production support.

Q: Are the isolation voltage and current transfer ratio specifications identical?

A: Yes. Both components provide 5000Vrms isolation voltage and identical current transfer ratio specifications of 50% minimum to 400% maximum at 5mA input current. All output characteristics, including maximum voltage (70V), maximum current (30mA), and saturation voltage (300mV), are identical.

Q: Do both components meet the same compliance standards?

A: Yes. Both the PS2561AL1-1-V-A and PS2581AL1-A are ROHS3 compliant with moisture sensitivity level 1 (unlimited) and REACH affected status. Compliance certifications are equivalent across both components.

Q: What is the operating temperature range for both components?

A: Both components operate across the identical temperature range of -55°C to 100°C, supporting applications across industrial and extended temperature environments.