ChipApex | Global Electronic Components Supplier
FOD2743AS
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 8-SMD
- Series：-
- Mfr：onsemi
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：50% @ 1mA
- Current Transfer Ratio (Max)：100% @ 1mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：-
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：70V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.07V
- Current - DC Forward (If) (Max)：-
- Vce Saturation (Max)：400mV
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：8-SMD, Gull Wing
- Supplier Device Package：8-SMD
Download product information
Overview
The onsemi FOD2743AS is a single-channel optoisolator featuring a photovoltaic output configuration. It provides robust electrical isolation with a rated voltage of 5000Vrms. The device utilizes an NPN phototransistor output capable of handling a maximum collector current of 50mA and a collector-emitter voltage of 70V. Key electrical parameters include a typical forward voltage of 1.07V, a maximum saturation voltage of 400mV, and a current transfer ratio ranging from 50% to 100% at 1mA input. It operates within a temperature range of -40°C to 85°C and is available in an 8-SMD package.
Feature Summary
- Photovoltaic output architecture for high-voltage isolation applications
- High isolation voltage rating of 5000Vrms
- Surface-mount 8-SMD package design
Applications
- Error amplifier coupler circuits
- Optically isolated power supply feedback loops
- Industrial control signal isolation
Procurement Notes
Verify component authenticity through authorized distributors due to potential availability of obsolete or refurbished units. Confirm the specific suffix 'AS' matches the required photovoltaic output variant, as other suffixes may indicate different packages or performance grades. Check datasheet revisions for any updates regarding pinout or electrical characteristics before finalizing procurement specifications.
Selection Notes
Select this component when high isolation voltage is required alongside a photovoltaic output stage. Ensure the circuit design accommodates the specific current transfer ratio characteristics and saturation voltage limits. Verify that the 8-SMD package dimensions fit the target PCB layout constraints and thermal management requirements for the intended operating environment.
Part Context
The FOD2743AS belongs to the FOD274x series of optoisolators from onsemi. This series includes variants with transistor outputs designed for general-purpose isolation tasks. The photovoltaic output variant distinguishes itself by providing galvanic isolation without requiring a separate bias voltage for the output side, simplifying circuit design in specific isolation scenarios.
Replacement Considerations
The FOD2743BS is listed as a similar replacement part by onsemi. Verify compatibility regarding package type and electrical specifications before substitution.
