PS2801C-1-V-A Equivalent & Substitute Parts

Part Overview

The PS2801C-1-V-A is an optoisolator with transistor output, rated for 2500Vrms isolation voltage and designed for single-channel isolation applications. This component is discontinued at DiGi Electronics, necessitating identification of functional equivalents and substitute parts for ongoing design requirements and production support. Alternative sources and compatible devices are available from active product lines to maintain system reliability and supply chain continuity.

Substiute Parts

PS2801C-1-V-A

CELIn Stock: 946PS2801C-1-V-A Datasheet

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PS2801C-1-A

Renesas Electronics CorporationIn Stock: 7093PS2801C-1-A Datasheet

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PS2801C-1-V-F3-A

Renesas Electronics CorporationIn Stock: 3026PS2801C-1-V-F3-A Datasheet

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TCMT1106

Vishay Semiconductor Opto DivisionIn Stock: 4173TCMT1106 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution compatibility for optoisolators is determined by electrical and mechanical parameters that define functional interchangeability. The primary criteria include isolation voltage rating, current transfer ratio range, switching timing characteristics, output voltage and current capabilities, and physical package compatibility.

All identified substitute parts maintain the same package type (4-SOIC/4-SSOP configuration), operating temperature range minimum of -40°C or lower, RoHS3 compliance, and MSL rating of 1. Substitutes are evaluated based on whether their electrical parameters meet or exceed the requirements of the main part number.

The following substitute parts are presented based on these standardized criteria:

• PS2801C-1-A: Functionally identical electrical specifications; alternative packaging and manufacturer status
• PS2801C-1-V-F3-A: Functionally identical electrical specifications; active product status with tape & reel packaging
• TCMT1106: Enhanced isolation voltage (3750Vrms); higher current transfer ratio minimum; modified switching and output current characteristics

Parameter Comparison

Engineering Selection Recommendations

PS2801C-1-V-F3-A is the preferred substitute for new designs and production applications. This part maintains identical electrical specifications to the original PS2801C-1-V-A, carries Active product status, is ROHS3 compliant, and is available in tape & reel packaging suitable for automated assembly processes.

PS2801C-1-A provides functional equivalence with identical electrical specifications but is classified as "Not For New Designs," making it suitable only for legacy system maintenance and replacement requirements where original part discontinuation necessitates immediate substitution.

TCMT1106 offers enhanced isolation voltage performance (3750Vrms versus 2500Vrms) and increased output current capability (50mA versus 30mA). This part is suitable for applications where higher isolation ratings are required or where the increased current margin provides design flexibility. The lower minimum current transfer ratio (100% versus 50%) and 10V lower maximum output voltage must be evaluated against specific application requirements. Operating temperature range begins at -40°C rather than -55°C.

Frequently Asked Questions (FAQ)

Q: Can PS2801C-1-V-F3-A be directly substituted for PS2801C-1-V-A in existing designs? A: Yes. PS2801C-1-V-F3-A maintains identical electrical parameters, package configuration (4-SOIC), and compliance ratings. The only difference is packaging format (tape & reel versus standard), which does not affect electrical performance or board-level functionality.

Q: What is the key difference between PS2801C-1-A and PS2801C-1-V-F3-A? A: Both parts share identical electrical specifications and package type. The distinction is product status: PS2801C-1-A is classified as "Not For New Designs," while PS2801C-1-V-F3-A is Active and appropriate for new applications.

Q: Is TCMT1106 compatible with PS2801C-1-V-A in all applications? A: TCMT1106 offers higher isolation voltage (3750Vrms) and increased output current (50mA), providing enhanced capability margins. However, the lower maximum output voltage (70V versus 80V) and different current transfer ratio characteristics (100-300% versus 50-400% @ 5mA) require circuit-level evaluation to confirm suitability for specific application constraints.

Q: Does packaging format affect component selection? A: Packaging format (Strip, Tape & Reel, Cut Tape) does not affect electrical performance or circuit compatibility. Selection is driven by manufacturing requirements and automation processes. All substitutes use identical 4-SOIC physical packages suitable for surface-mount assembly.

Q: Are all substitute parts RoHS3 compliant? A: Yes. PS2801C-1-V-F3-A, PS2801C-1-A, and TCMT1106 all meet RoHS3 compliance requirements and carry MSL rating 1, ensuring compatibility with modern manufacturing and environmental standards.