PS2561L-1-H-A Optoisolator - Equivalent & Substitute Parts

Part Overview

The PS2561L-1-H-A is a single-channel optoisolator with transistor output, rated for 5000Vrms isolation voltage. This component is discontinued at DiGi Electronics, necessitating identification of functional equivalents for ongoing design support and procurement requirements. The equivalent part maintains identical electrical and mechanical specifications, ensuring direct replacement capability in existing circuit designs.

Substiute Parts

PS2561L-1-H-A

CELIn Stock: 1114PS2561L-1-H-A Datasheet

Current PartRFQ

PS2581L2-H-A

Renesas Electronics CorporationIn Stock: 818PS2581L2-H-A Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The PS2581L2-H-A qualifies as a parametric equivalent based on the following substitution criteria:

Electrical Parameter Equivalence:

• Identical isolation voltage: 5000Vrms
• Matching current transfer ratio range: 80% to 160% @ 5mA
• Equivalent output voltage rating: 80V maximum
• Same output current capacity: 50mA per channel
• Identical rise/fall time specifications: 3µs and 5µs
• Matching input type: DC
• Same output type: Transistor

Mechanical & Environmental Compatibility:

• Identical package: 4-SMD, Gull Wing
• Same channel count: 1 channel
• Identical operating temperature range: -55°C to 100°C
• Same moisture sensitivity classification: MSL 1

Compliance Alignment:

• Both ROHS3 compliant
• Both REACH affected
• Both classified as EAR99

Parameter Comparison

Engineering Selection Recommendations

The PS2581L2-H-A from Renesas Electronics Corporation is a direct parametric substitute for the discontinued PS2561L-1-H-A. The substitute part maintains full electrical and mechanical compatibility across all specified parameters. The primary advantage of the PS2581L2-H-A is its active product status, ensuring sustained availability and manufacturing support from Renesas Electronics Corporation. Both parts satisfy identical compliance requirements under ROHS3 and REACH regulations. The packaging and thermal specifications are equivalent, enabling direct board-level substitution without design modification.

Frequently Asked Questions (FAQ)

Q: Can the PS2581L2-H-A replace the PS2561L-1-H-A in production designs? A: Yes. The PS2581L2-H-A meets all electrical and mechanical specifications of the PS2561L-1-H-A, including isolation voltage, current transfer ratio, output voltage and current ratings, switching times, and operating temperature range. The 4-SMD package geometry is identical, supporting direct PCB assembly substitution.

Q: Are there differences in compliance or regulatory status? A: Both parts carry equivalent compliance status. Both are ROHS3 compliant and REACH affected, with identical moisture sensitivity classification (MSL 1 - Unlimited) and EAR99 export classification.

Q: What is the primary reason to transition from PS2561L-1-H-A to PS2581L2-H-A? A: The PS2561L-1-H-A is discontinued at DiGi Electronics, while the PS2581L2-H-A maintains active product status from Renesas Electronics Corporation. This ensures long-term component availability for new production runs and ongoing support.

Q: Are there packaging differences between the two parts? A: No. Both parts use identical 4-SMD, Gull Wing packaging. The supplier device package specification is the same for both components, ensuring compatibility with existing PCB designs and assembly processes.

Q: What parameters determine substitution eligibility for this optoisolator category? A: Substitution is determined by matching specifications for isolation voltage rating, number of channels, output type, current transfer ratio range, maximum output voltage, output current capacity, switching time characteristics, and package/case specifications. Thermal operating range and compliance certifications must also align.