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Product Detailed Parameters
- Description：OPTOISO 7.5KV TRANS W/BASE 6-SMD
- Series：-
- Mfr：onsemi
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：7500Vpk
- Current Transfer Ratio (Min)：10% @ 10mA
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：2µs, 2µs
- Rise / Fall Time (Typ)：-
- Input Type：DC
- Output Type：Transistor with Base
- Voltage - Output (Max)：30V
- Current - Output / Channel：-
- Voltage - Forward (Vf) (Typ)：1.18V
- Current - DC Forward (If) (Max)：60 mA
- Vce Saturation (Max)：500mV
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：6-SMD, Gull Wing
- Supplier Device Package：6-SMD
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Overview
The onsemi 4N27FM is a photovoltaic output optoisolator housed in a 6-SMD package. It provides optical isolation with a maximum output voltage of 30V and an isolation voltage of 7.5kV. The device features a typical forward voltage of 1.18V and includes a base terminal for enhanced performance control.
Feature Summary
- Provides high-voltage optical isolation between input and output circuits
- Utilizes a photovoltaic output configuration for signal transmission
- Includes a dedicated base pin to optimize switching characteristics
Applications
- Digital signal isolation in industrial control systems
- Analog-to-digital converter interface protection
- Microcontroller I/O isolation for noise reduction
Procurement Notes
Verify current manufacturing status as the component may be obsolete. Confirm availability of approved substitutes such as the 4N27SM if original stock is unavailable. Ensure datasheet revisions match design requirements before finalizing procurement plans.
Selection Notes
Select this component when photovoltaic output isolation is required for low-power digital signals. Consider the 6-SMD package constraints and verify that the 30V output limit meets system specifications. Evaluate thermal management needs based on the forward voltage drop.
Part Context
This part belongs to the standard optoisolator category from onsemi, designed for reliable signal transfer across isolated boundaries. It serves as a fundamental building block for safety-critical interfaces where galvanic separation is mandatory.
Replacement Considerations
The 4N27SM is listed as a similar substitute part number available from onsemi. Verify pinout compatibility and electrical parameters before substitution.
