PS2581L2-H-A Optoisolator Equivalent & Substitute Parts

Part Overview

The PS2581L2-H-A is a single-channel optoisolator with transistor output designed for high-voltage isolation applications. This component provides 5000Vrms isolation capability and is suitable for use in power management, motor control, and industrial isolation circuits. The original manufacturer (CEL) has discontinued this part at DiGi Electronics, necessitating identification of active equivalent alternatives to maintain supply chain continuity and support ongoing production requirements.

Substiute Parts

PS2581L2-H-A

CELIn Stock: 1183PS2581L2-H-A Datasheet

Current PartRFQ

PS2581L2-H-A

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

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PS2581L2-H-A is based strictly on electrical and mechanical parameter matching. The primary substitute identified is the PS2581L2-H-A manufactured by Renesas Electronics Corporation. This component maintains identical parametric specifications across all critical electrical characteristics that define the component's functional operation: isolation voltage (5000Vrms), channel count (1), transistor output configuration, current transfer ratio (80% - 160% @ 5mA), switching characteristics (3µs rise, 5µs fall), maximum output voltage (80V), maximum output current (50mA), saturation voltage (300mV), forward voltage (1.17V), and operating temperature range (-55°C to 100°C).

The substitution is valid because both components share identical specifications in the following key parameters:

• Voltage isolation rating
• Current transfer ratio and operating point
• Switching speed characteristics
• Output voltage and current ratings
• Thermal operating range
• Package and mounting configuration
• Input/output type and topology

Both parts are surface-mount components in 4-SMD Gull Wing package format, ensuring mechanical and electrical compatibility in existing PCB layouts.

Parameter Comparison

Engineering Selection Recommendations

The PS2581L2-H-A manufactured by Renesas Electronics Corporation is the direct parametric equivalent for the discontinued CEL variant. Both implementations meet ROHS3 compliance requirements and share identical electrical specifications and package configuration.

Selection between the original and substitute should be based on product availability and supply chain access. The Renesas variant currently maintains active product status with confirmed inventory availability (752 pieces in stock). The CEL original is no longer available through standard distribution channels due to discontinuation status.

From a compliance perspective, both parts satisfy ROHS3 requirements and are classified under the same ECCN (EAR99) and HTSUS code (8541.49.8000), ensuring regulatory compatibility in applications where compliance documentation is required.

Frequently Asked Questions (FAQ)

Q: Are the PS2581L2-H-A from CEL and Renesas fully interchangeable?

A: Yes. Both components are electrically and mechanically identical across all specified parameters. They share the same isolation voltage (5000Vrms), current transfer characteristics, switching speeds, output ratings, thermal range, and 4-SMD Gull Wing package configuration. Direct substitution is supported without circuit modification.

Q: Why is the original PS2581L2-H-A from CEL no longer available?

A: The CEL version has been discontinued at DiGi Electronics. The Renesas equivalent is an active production part with confirmed supply availability.

Q: What packaging is available for the Renesas PS2581L2-H-A?

A: The Renesas variant is supplied in Tube packaging format. Confirm packaging compatibility with your receiving and handling procedures.

Q: Can the PS2581L2-H-A be used in applications requiring high-speed switching?

A: The switching characteristics (3µs rise time, 5µs fall time) are specified identically for both the CEL and Renesas variants. Application compatibility depends on your specific circuit switching frequency requirements relative to these timing specifications.

Q: Are there compliance considerations when switching from CEL to Renesas?

A: Both parts maintain ROHS3 compliance status and are classified under identical regulatory codes (ECCN EAR99, HTSUS 8541.49.8000). No compliance documentation changes are required for the substitution.

Q: What is the moisture sensitivity level of this component?

A: Both the CEL and Renesas PS2581L2-H-A are rated at MSL 1 (Unlimited), indicating minimal moisture sensitivity during handling and storage.