PS2505L-2-A Optoisolator - Equivalent & Substitute Parts

Part Overview

The PS2505L-2-A is a 2-channel optoisolator with transistor output manufactured by CEL, designed for high-voltage isolation applications requiring 5000Vrms isolation. The device is classified as obsolete, making it necessary to identify compatible substitute components that maintain the critical electrical and mechanical specifications required for system continuity. Substitute parts must satisfy the same isolation voltage, channel configuration, and package standards to ensure direct replacement capability.

Substiute Parts

PS2505L-2-A

CELIn Stock: 781PS2505L-2-A Datasheet

Current PartRFQ

LTV-824HS-TA1

Lite-On Inc.In Stock: 961LTV-824HS-TA1 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute optoisolators for the PS2505L-2-A are qualified based on the following critical parameters:

• Number of Channels: Must be 2-channel configuration
• Voltage - Isolation: Must support 5000Vrms isolation minimum
• Output Type: Must be transistor output
• Package / Case: Must be 8-SMD with Gull Wing lead configuration
• Mounting Type: Must support Surface Mount assembly
• Input Type: Must accept both AC and DC input signals

The LTV-824HS-TA1 from Lite-On Inc. meets these core substitution criteria. While certain electrical parameters differ (Current Transfer Ratio ranges, maximum output voltage, and operating temperature limits), these variations remain within acceptable tolerance for applications where the PS2505L-2-A was previously specified, provided the circuit design accounts for the modified specifications.

Parameter Comparison

Engineering Selection Recommendations

The LTV-824HS-TA1 qualifies as a direct substitute for the obsolete PS2505L-2-A based on matching isolation voltage, channel count, output type, and package configuration. The LTV-824HS-TA1 is classified as Active, providing supply chain assurance for new designs and ongoing production requirements.

Both parts share equivalent regulatory classifications (ECCN EAR99, HTSUS 8541.49.8000) and moisture sensitivity levels (MSL 1), ensuring compliance continuity. The LTV-824HS-TA1 carries RoHS3 compliance certification, supporting environmental regulation adherence.

Substitution is appropriate where circuit specifications accommodate the LTV-824HS-TA1 parameter variations, specifically the reduced maximum output voltage (35V versus 80V) and narrower operating temperature range (-30°C to 100°C versus -55°C to 100°C). The higher output current capability (80mA per channel versus 50mA) and lower saturation voltage (200mV versus 300mV) provide performance advantages in applicable applications.

Frequently Asked Questions (FAQ)

Q: Can the LTV-824HS-TA1 directly replace the PS2505L-2-A in existing applications?

A: Direct replacement is possible where circuit design specifications remain compatible with the LTV-824HS-TA1 parameter ranges. Critical verification points include maximum output voltage requirements, operating temperature extremes, and current transfer ratio performance at specified input current levels.

Q: What are the key parameter differences between these optoisolators?

A: Both parts maintain 5000Vrms isolation and 2-channel transistor output in 8-SMD packaging. The primary differences are maximum output voltage (80V versus 35V), output current per channel (50mA versus 80mA), operating temperature range (-55°C~100°C versus -30°C~100°C), and current transfer ratio specifications at different test conditions.

Q: Are there supply chain advantages to selecting the LTV-824HS-TA1?

A: Yes. The LTV-824HS-TA1 is classified as Active status with reported inventory availability, whereas the PS2505L-2-A is Obsolete. For new production and long-term availability, the LTV-824HS-TA1 is the preferred selection.

Q: Does the LTV-824HS-TA1 meet the same package and mounting requirements?

A: Yes. Both components use 8-SMD Gull Wing packaging with Surface Mount assembly compatibility, ensuring PCB footprint and reflow process compatibility.

Q: What regulatory certifications should be considered in selection?

A: Both parts are classified as EAR99 and share HTSUS code 8541.49.8000. The LTV-824HS-TA1 carries additional RoHS3 compliance certification, supporting environmental regulation requirements in target markets.