FOD817CS

$0.46

Description：OPTOISOLATOR 5KV 1CH TRANS 4-SMD
Series：-
Mfr：onsemi
Package：Tube

SKU:74a49c26a64c Category: Transistor, Photovoltaic Output Optoisolators Brand: onsemi

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Product introduction

Product Detailed Parameters

Description：OPTOISOLATOR 5KV 1CH TRANS 4-SMD
Series：-
Mfr：onsemi
Package：Tube
Number of Channels：1
Voltage - Isolation：5000Vrms
Current Transfer Ratio (Min)：200% @ 5mA
Current Transfer Ratio (Max)：400% @ 5mA
Turn On / Turn Off Time (Typ)：-
Rise / Fall Time (Typ)：4µs, 3µs
Input Type：DC
Output Type：Transistor
Voltage - Output (Max)：70V
Current - Output / Channel：50mA
Voltage - Forward (Vf) (Typ)：1.2V
Current - DC Forward (If) (Max)：50 mA
Vce Saturation (Max)：200mV
Operating Temperature：-55°C ~ 110°C
Mounting Type：Surface Mount
Package / Case：4-SMD, Gull Wing
Supplier Device Package：4-SMD
Grade：-
Qualification：-

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FOD817CS

Overview

The FOD817CS is a single-channel transistor output optocoupler from onsemi’s FOD series, designed for surface-mount applications in SMD-4 packages. It features an NPN phototransistor output with a maximum collector-emitter voltage of 70 V and a peak forward current rating of 50 mA. The device provides high isolation capability with a rated insulation voltage of 5000 Vrms. Electrical performance includes a minimum current transfer ratio of 200% and a maximum of 400%, ensuring reliable signal transmission. Typical switching characteristics specify rise and fall times of 18 μs each, suitable for general-purpose digital isolation tasks.

Feature Summary

Provides galvanic isolation between input and output circuits using infrared LED and NPN phototransistor technology.
Supports surface-mount installation via compact four-pin MDIP package configuration.
Delivers high isolation voltage rating to protect low-voltage control circuits from high-voltage noise.
Ensures consistent signal transfer through standardized current transfer ratio specifications.

Applications

Industrial control system signal isolation
Power supply feedback loop coupling
Microcontroller interface protection

Procurement Notes

Verify the specific suffix designation against official datasheets to confirm package type and tape-and-reel specifications. Ensure that the procurement source provides valid RoHS compliance documentation as required by regulatory standards. Cross-reference the manufacturer part number with authorized distributor catalogs to confirm authenticity and traceability before finalizing orders.

Selection Notes

Select this component when surface-mount integration is required for single-channel isolation applications. Consider the 200% to 400% current transfer ratio range to ensure adequate output drive capabilities for the load. Verify that the 5000 Vrms isolation rating meets the safety requirements of the target application environment.

Part Context

This device belongs to the FOD817 family of transistor output optocouplers manufactured by onsemi. The FOD817 series is widely utilized for general-purpose isolation in electronic circuits. The CS suffix specifically denotes the surface-mount variant within this product line, distinguishing it from through-hole equivalents like the FOD817C300.