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Product Detailed Parameters
- Description：6PIN DARLINGTON OUTPUT, NON-BASE
- Series：-
- Mfr：Isocom Components 2004 LTD
- Package：Tube
- Number of Channels：-
- Voltage - Isolation：-
- Current Transfer Ratio (Min)：-
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：-
- Input Type：-
- Output Type：-
- Voltage - Output (Max)：-
- Current - Output / Channel：-
- Voltage - Forward (Vf) (Typ)：-
- Current - DC Forward (If) (Max)：-
- Vce Saturation (Max)：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The 4N30FG is a single-channel optocoupler manufactured by Isocom Components 2004 LTD. It features a Darlington output configuration with a non-base pin design, housed in a 6-pin DIP package. Key electrical specifications include a maximum forward current of 50 mA and an output current capacity of 80 mA per channel. The device provides high isolation capability with a minimum isolation voltage of 5 kVrms (or 5300 Vrms). Typical forward voltage is 1.2 V, while the maximum collector-emitter saturation voltage is 1 V.
Feature Summary
- Darlington output structure for high current gain
- Non-base pin configuration simplifies circuit design
- High isolation voltage rating for safety
- Hermetically sealed construction
Applications
- General-purpose signal isolation
- Microprocessor interface circuits
- Solid-state relay drivers
- Industrial control systems
Procurement Notes
Verify the manufacturer designation as Isocom Components 2004 LTD or Orwintech depending on the specific supply chain source. Confirm the package type is 6-pin DIP and the output stage is Darlington. Ensure the part number suffix FG matches the required specifications. Cross-reference datasheets to confirm isolation voltage ratings and pinout configurations before integration.
Selection Notes
Select this component when high current transfer ratio is required due to the Darlington output stage. The non-base pin design reduces external component count compared to standard variants. Verify that the 50 mA forward current limit meets the input drive requirements. Ensure the 6-pin DIP package fits the available PCB footprint and assembly constraints.
Part Context
This device belongs to the family of single-channel optocouplers utilizing infrared LEDs and silicon photodetectors. Similar models from Isocom include the 4N23 and IS357 series. These components are designed for galvanic isolation between low-voltage control circuits and higher-voltage load circuits, providing noise immunity and safety separation.
Replacement Considerations
Compatible substitutes include other 6-pin Darlington output optocouplers such as the PC817 or HCPL-2630, provided pinouts and electrical ratings match. Verify that replacement parts maintain the same isolation voltage and current transfer ratio specifications to ensure circuit functionality.
