PS2561AL2-1-A Equivalent & Substitute Parts

Part Overview

The PS2561AL2-1-A is a single-channel optoisolator with transistor output manufactured by CEL. This component provides 5000Vrms isolation voltage and is designed for DC input applications requiring galvanic isolation in surface mount configurations. The part is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives for ongoing production and maintenance applications.

Substiute Parts

PS2561AL2-1-A

CELIn Stock: 676PS2561AL2-1-A Datasheet

Current PartRFQ

PS2561AL-1-A

Renesas Electronics CorporationIn Stock: 1413PS2561AL-1-A Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PS2561AL2-1-A is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part PS2561AL-1-A qualifies as a parametric equivalent based on the following criteria:

Electrical Parameter Equivalence:

• Isolation voltage: 5000Vrms (identical)
• Channel configuration: 1 channel (identical)
• Output type: Transistor (identical)
• Current transfer ratio range: 50% to 400% @ 5mA (identical)
• Maximum output voltage: 70V (identical)
• Maximum output current: 30mA (identical)
• Vce saturation: 300mV maximum (identical)
• Rise and fall time: 3µs and 5µs (identical)
• Operating temperature: -55°C ~ 100°C (identical)
• Input type: DC (identical)
• Forward voltage: 1.2V typical (identical)

Mechanical Parameter Equivalence:

• Package type: 4-SMD, Gull Wing (identical)
• Mounting type: Surface Mount (identical)
• Moisture sensitivity level: 1 (Unlimited) (identical)

Compliance Equivalence:

• RoHS3 compliance (identical)
• REACH affected status (identical)
• ECCN classification: EAR99 (identical)

Parameter Comparison

Engineering Selection Recommendations

The PS2561AL-1-A manufactured by Renesas Electronics Corporation is a direct parametric equivalent to the PS2561AL2-1-A. All electrical characteristics, mechanical specifications, and compliance certifications are identical across both parts.

Selection Considerations Based on Product Status:

The PS2561AL2-1-A is discontinued at DiGi Electronics. The PS2561AL-1-A carries a "Not For New Designs" status from Renesas, indicating it remains available but is not recommended for new product development. For applications currently using the PS2561AL2-1-A, the PS2561AL-1-A provides functional continuity with identical performance parameters.

Compliance and Regulatory Alignment:

Both parts maintain ROHS3 compliance and REACH affected status, ensuring compatibility with current environmental and regulatory requirements. ECCN classification remains EAR99 for both variants, maintaining consistent export control compliance.

Inventory and Supply Chain:

The PS2561AL-1-A demonstrates higher inventory availability (1396 Pcs) compared to the PS2561AL2-1-A (639 Pcs), providing improved supply chain flexibility for immediate procurement needs.

Frequently Asked Questions (FAQ)

Q: Can the PS2561AL-1-A be used as a direct replacement for the PS2561AL2-1-A?

A: Yes. The PS2561AL-1-A is a parametric equivalent with identical electrical and mechanical specifications. All critical parameters including isolation voltage, output current, rise/fall time, and package configuration match exactly.

Q: Are there any differences in the 4-SMD package between these parts?

A: No. Both parts use the identical 4-SMD, Gull Wing package configuration with surface mount mounting type. PCB layout and footprint compatibility are maintained.

Q: What is the significance of the "Not For New Designs" status on the PS2561AL-1-A?

A: This status indicates the part is available for procurement but Renesas does not recommend its use in new product designs. For existing applications or maintenance purposes, the part remains functionally suitable. For new designs, consultation with Renesas regarding current-generation alternatives is appropriate.

Q: Do both parts have the same moisture sensitivity requirements?

A: Yes. Both parts have Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture handling or storage requirements during assembly and deployment.

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

A: Yes. Both parts provide 5000Vrms isolation voltage and identical current transfer ratio specifications of 50% minimum to 400% maximum at 5mA input current.

Q: Can these parts be used interchangeably in existing circuit designs?

A: Yes. The identical electrical characteristics, output voltage/current ratings, and thermal operating range ensure functional interchangeability in existing circuit designs without modification.

Q: What is the difference between the CEL and Renesas manufacturers?

A: CEL and Renesas are different manufacturers producing parts within the NEPOC series. The PS2561AL2-1-A is manufactured by CEL, while the PS2561AL-1-A is manufactured by Renesas Electronics Corporation. Both meet identical electrical and mechanical specifications.