PS9814-2-F3-A Equivalent & Substitute Parts

Part Overview

The PS9814-2-F3-A is a Logic Output Optoisolator operating at 2500Vrms isolation voltage with 2 channels in an 8-SSOP package. This component is classified as Obsolete, necessitating identification of functional alternatives for new designs and ongoing production requirements. The substitute parts listed maintain electrical and mechanical compatibility while offering improved or equivalent performance characteristics.

Substiute Parts

PS9814-2-F3-A

CELIn Stock: 4539PS9814-2-F3-A Datasheet

Current PartRFQ

PS9817A-2-AX

Renesas Electronics CorporationIn Stock: 1949PS9817A-2-AX Datasheet

DirectRFQ

PS9817A-2-F3-AX

Renesas Electronics CorporationIn Stock: 1801PS9817A-2-F3-AX Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The substitute parts PS9817A-2-AX and PS9817A-2-F3-AX are functionally equivalent to the PS9814-2-F3-A based on the following critical electrical and mechanical parameters:

Matching Parameters (Substitution Criteria):

• Number of Channels: 2
• Voltage - Isolation: 2500Vrms
• Data Rate: 10Mbps
• Output Type: Open Collector
• Current - Output / Channel: 25 mA
• Voltage - Supply: 4.5V ~ 5.5V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Supplier Device Package: 8-SSOP

Key Difference: Common Mode Transient Immunity (Min) increases from 10kV/µs to 15kV/µs in the substitute parts, providing enhanced performance in high-speed switching environments. This represents an improvement over the original specification and maintains backward compatibility.

Parameter Comparison

Engineering Selection Recommendations

For Ongoing Production Support: PS9817A-2-F3-AX is the primary recommended substitute. This part carries Active product status, ensuring long-term availability and manufacturer support. The part is RoHS3 compliant and supplied in Cut Tape and Digi-Reel packaging, accommodating various production volumes.

For Legacy System Maintenance: PS9817A-2-AX serves as an alternative source in Bulk packaging. Despite Not For New Designs status, this variant shares identical electrical specifications with PS9817A-2-F3-AX and provides continued availability for existing applications.

Compliance Considerations: Both substitute parts are ROHS3 compliant, whereas the original PS9814-2-F3-A compliance status is not specified. This represents an improvement for applications subject to RoHS regulations. Both substitutes maintain REACH Unaffected status, compared to the original's REACH Affected classification.

Frequently Asked Questions (FAQ)

Q: What makes PS9817A-2-AX and PS9817A-2-F3-AX substitutable for PS9814-2-F3-A? A: Both substitute parts maintain identical electrical specifications across all critical parameters: 2-channel configuration, 2500Vrms isolation, 10Mbps data rate, open collector output, 25mA output current per channel, and -40°C to 85°C operating range. The package/case designation (8-SOIC, 3.90mm width) is mechanically identical, enabling direct physical replacement on PCBs designed for the PS9814-2-F3-A.

Q: What is the difference between PS9817A-2-AX and PS9817A-2-F3-AX? A: Both parts share identical electrical specifications. The primary difference is packaging format: PS9817A-2-AX is supplied in Bulk, while PS9817A-2-F3-AX uses Cut Tape and Digi-Reel. PS9817A-2-F3-AX is classified as Active, whereas PS9817A-2-AX is Not For New Designs. For new designs and ongoing production, PS9817A-2-F3-AX is the preferred selection.

Q: Does the improved Common Mode Transient Immunity specification affect backward compatibility? A: The increase from 10kV/µs to 15kV/µs in the substitute parts represents enhanced performance without reducing specifications. This improvement maintains backward compatibility while providing superior noise immunity in high-speed switching applications. No circuit modifications are required.

Q: Are there differences in timing characteristics between the original and substitutes? A: Propagation delay specifications are identical (75ns for both tpLH and tpHL). Rise time remains 20ns; fall time improves from 10ns to 5ns in the substitute parts. These differences do not affect system-level timing margins and provide performance enhancement.

Q: What compliance status should be considered when selecting a substitute? A: PS9817A-2-F3-AX is RoHS3 compliant, whereas the original PS9814-2-F3-A compliance status is not provided. For applications requiring RoHS compliance, PS9817A-2-F3-AX is the appropriate selection. Both substitutes are REACH Unaffected, compared to the original's REACH Affected status.

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