PS2561-1-L-A Equivalent & Substitute Parts

Part Overview

The PS2561-1-L-A is a single-channel optoisolator with transistor output, rated for 5000Vrms isolation voltage. This component is designed for applications requiring galvanic isolation between input and output circuits in industrial control, power management, and signal conditioning systems. The PS2561-1-L-A is discontinued at DiGi Electronics, making identification of equivalent substitute parts essential for design continuity and procurement planning.

Substiute Parts

PS2561-1-L-A

CELIn Stock: 1084PS2561-1-L-A Datasheet

Current PartRFQ

PS2501-1-L-A

Renesas Electronics CorporationIn Stock: 6162PS2501-1-L-A Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PS2561-1-L-A is determined by strict equivalence across the following critical parameters:

Isolation Voltage: 5000Vrms (mandatory match)

Channel Configuration: Single channel (mandatory match)

Output Architecture: Transistor output (mandatory match)

Current Transfer Ratio: 200% minimum and 400% maximum at 5mA input (mandatory match)

Maximum Output Specifications: 80V maximum output voltage and 50mA maximum output current per channel (mandatory match)

Switching Characteristics: Rise time 3µs and fall time 5µs (mandatory match)

Temperature Range: -55°C to 100°C operating range (mandatory match)

Package Specification: 4-DIP form factor with 0.300" (7.62mm) pitch (mandatory match)

The PS2501-1-L-A meets all these criteria and qualifies as a parametric equivalent substitute.

Parameter Comparison

Engineering Selection Recommendations

The PS2501-1-L-A manufactured by Renesas Electronics Corporation is a direct parametric equivalent to the PS2561-1-L-A. All electrical, mechanical, and thermal specifications are identical. Both components comply with ROHS3 and REACH requirements, ensuring regulatory alignment.

The primary distinction is product status: the PS2561-1-L-A is discontinued at DiGi Electronics, while the PS2501-1-L-A maintains active status with 6080 pieces in stock. The PS2501-1-L-A is supplied in tube packaging, whereas the original part packaging specification was not provided.

For applications currently using the PS2561-1-L-A, the PS2501-1-L-A provides full functional and electrical compatibility without design modification. Pin configuration, electrical performance, isolation characteristics, and environmental operating range are identical between both parts.

Frequently Asked Questions (FAQ)

Q: Can the PS2501-1-L-A be used as a direct replacement for the PS2561-1-L-A without circuit modification?

A: Yes. The PS2501-1-L-A is a parametric equivalent with identical electrical specifications, pin configuration, and package dimensions. No circuit modification is required.

Q: Are the isolation voltage ratings identical between these parts?

A: Yes. Both the PS2561-1-L-A and PS2501-1-L-A are rated for 5000Vrms isolation voltage.

Q: Do both parts have the same current transfer ratio specifications?

A: Yes. Both parts specify a current transfer ratio of 200% minimum and 400% maximum at 5mA input current.

Q: What is the difference in packaging between these two parts?

A: The PS2501-1-L-A is supplied in tube packaging. The original PS2561-1-L-A packaging specification was not provided in the technical data.

Q: Are the operating temperature ranges the same?

A: Yes. Both parts operate across the -55°C to 100°C temperature range.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the PS2561-1-L-A and PS2501-1-L-A are ROHS3 compliant and REACH affected.

Q: What is the maximum output current for each channel?

A: Both parts support a maximum output current of 50mA per channel.

Q: Are the switching characteristics identical?

A: Yes. Both parts exhibit rise time of 3µs and fall time of 5µs.