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Product Detailed Parameters
- Description：OPTOISOLTR 5.3KV 1CH DARL 6-DIP
- Series：4N33
- Mfr：Isocom Components 2004 LTD
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5300Vrms
- Current Transfer Ratio (Min)：-
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：60µs, 53µs
- Input Type：DC
- Output Type：Darlington
- Voltage - Output (Max)：80V
- Current - Output / Channel：80mA
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：1V
- Operating Temperature：-25°C ~ 100°C
- Mounting Type：Through Hole
- Package / Case：6-DIP (0.300", 7.62mm)
- Supplier Device Package：6-DIP
- Grade：-
- Qualification：-
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Overview
The 4N33F is a single-channel optically coupled isolator manufactured by Isocom Components 2004 LTD. It integrates an infrared light-emitting diode with an NPN silicon photodarlington output stage, providing high-voltage isolation between input and output circuits. The device features a 5.3kV isolation voltage rating, ensuring reliable signal transmission in electrically noisy environments. Packaged in a standard 6-pin DIP configuration, the 4N33F offers robust performance for digital signal isolation applications requiring galvanic separation.
Feature Summary
- Integrates an infrared LED with an NPN silicon photodarlington output for efficient signal coupling
- Provides high electrical isolation capability suitable for noise-sensitive circuit interfaces
- Utilizes a standard 6-pin dual in-line package for straightforward PCB integration
Applications
- Digital signal isolation in microprocessor systems
- Interface circuits for industrial control equipment
- Power supply feedback loop isolation
Procurement Notes
Verify that the specific suffix 'F' corresponds to the required packaging or tape-and-reel configuration as defined by the manufacturer's official documentation. Confirm that the component meets all relevant safety standards and isolation voltage ratings specified in the current datasheet before finalizing procurement specifications.
Selection Notes
Select this component when a photodarlington output is required for higher gain compared to standard transistor outputs. Ensure the application voltage does not exceed the specified isolation limits. Consider the DIP-6 package constraints for board space. Verify compatibility with the driving LED current requirements of the source circuit to ensure optimal CTR performance.
Part Context
Isocom Components 2004 LTD specializes in infrared optoelectronic devices, including optocouplers and optoswitches. The 4N33F belongs to their range of optical isolators designed for reliable signal transfer across isolated boundaries. This part represents a standard solution for galvanic isolation in electronic designs requiring robust component heritage.
Replacement Considerations
Cross-reference with other 4N33 series variants from different manufacturers if pinout compatibility is critical. Verify that substitute parts maintain the same photodarlington output structure and isolation voltage ratings to ensure functional equivalence in existing designs.
