PS2502L-1-E3-K-A Optoisolator Equivalent & Substitute Parts

Part Overview

The PS2502L-1-E3-K-A is a 5000Vrms isolation optoisolator with Darlington output configuration, manufactured by CEL in a 4-SMD surface mount package. This component is classified as obsolete, necessitating identification of equivalent substitute parts for ongoing design support and procurement continuity. The part operates across a temperature range of -55°C to 100°C with a single isolated channel and 200mA output current capability.

Substiute Parts

PS2502L-1-E3-K-A

CELIn Stock: 1242PS2502L-1-E3-K-A Datasheet

Current PartRFQ

PS2502L-1-F3-K-A

Renesas Electronics CorporationIn Stock: 1048PS2502L-1-F3-K-A Datasheet

DirectRFQ

PS2562L-1-V-F3-K-A

Renesas Electronics CorporationIn Stock: 915PS2562L-1-V-F3-K-A Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the PS2502L-1-E3-K-A are identified based on strict electrical and mechanical parameter matching. The following criteria determine substitution eligibility:

Critical Parameters for Substitution:

• Voltage - Isolation: 5000Vrms (must match exactly)
• Number of Channels: 1 (must match exactly)
• Output Type: Darlington (must match exactly)
• Current Transfer Ratio (Min): 2000% @ 1mA (must match exactly)
• Voltage - Output (Max): 40V (must match exactly)
• Current - Output / Channel: 200mA (must match exactly)
• Rise / Fall Time (Typ): 100µs, 100µs (must match exactly)
• Vce Saturation (Max): 1V (must match exactly)
• Operating Temperature: -55°C ~ 100°C (must match exactly)
• Package / Case: 4-SMD, Gull Wing (must match exactly)
• Mounting Type: Surface Mount (must match exactly)

All identified substitute parts meet these electrical and mechanical requirements without deviation.

Parameter Comparison

Engineering Selection Recommendations

Direct Manufacturer Equivalent: PS2502L-1-F3-K-A

The PS2502L-1-F3-K-A manufactured by Renesas Electronics Corporation is a direct equivalent to the obsolete PS2502L-1-E3-K-A. This part maintains identical electrical and mechanical specifications across all critical parameters. The substitute part carries Active product status, ensuring long-term availability and supply chain stability. The part is ROHS3 Compliant and REACH Unaffected, providing improved regulatory compliance compared to the original part. Current inventory availability is 955 units.

Parametric Equivalent: PS2562L-1-V-F3-K-A

The PS2562L-1-V-F3-K-A manufactured by Renesas Electronics Corporation is a parametric equivalent optoisolator meeting all electrical and mechanical requirements of the PS2502L-1-E3-K-A. This part is based on the PS2562 product line and maintains identical performance specifications. The substitute part carries Active product status with ROHS3 Compliance and REACH Unaffected status. Current inventory availability is 832 units.

Both substitute parts are suitable for direct replacement in applications currently utilizing the PS2502L-1-E3-K-A, with no circuit modifications required.

Frequently Asked Questions (FAQ)

Q: Can PS2502L-1-F3-K-A be used as a direct replacement for PS2502L-1-E3-K-A?

A: Yes. The PS2502L-1-F3-K-A meets all electrical and mechanical specifications of the PS2502L-1-E3-K-A, including isolation voltage, output current, Darlington configuration, and 4-SMD package format. No circuit modifications are required.

Q: What is the difference between PS2502L-1-F3-K-A and PS2562L-1-V-F3-K-A?

A: Both parts are parametric equivalents with identical electrical performance. The primary difference is the product line designation: PS2502 versus PS2562. Both meet all critical parameters for substitution and are manufactured by Renesas Electronics Corporation.

Q: Why is the original PS2502L-1-E3-K-A classified as obsolete?

A: The PS2502L-1-E3-K-A is listed as obsolete by the original manufacturer CEL. Substitute parts from Renesas Electronics Corporation with Active product status are recommended for new designs and ongoing procurement.

Q: Are there any compliance differences between the original part and substitutes?

A: Yes. The original PS2502L-1-E3-K-A is REACH Affected, while both substitute parts (PS2502L-1-F3-K-A and PS2562L-1-V-F3-K-A) are REACH Unaffected. Both substitutes are ROHS3 Compliant, providing improved regulatory alignment for applications subject to these standards.

Q: Is the 4-SMD Gull Wing package identical across all three parts?

A: Yes. All three parts utilize the same 4-SMD Gull Wing surface mount package with identical mechanical dimensions and pin configuration, ensuring compatibility with existing PCB layouts.

Q: What inventory levels are available for substitute parts?

A: PS2502L-1-F3-K-A has 955 units in stock. PS2562L-1-V-F3-K-A has 832 units in stock. Both are available as new original components.