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Product Detailed Parameters
- Description：OPTOISO 5.3KV 1CH DARL W/BASE
- Series：IS4N45
- Mfr：Isocom Components 2004 LTD
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5300Vrms
- Current Transfer Ratio (Min)：200% @ 10mA
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：100µs, 20µs
- Input Type：DC
- Output Type：Darlington with Base
- Voltage - Output (Max)：55V
- Current - Output / Channel：150mA
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：1.2V
- Operating Temperature：-25°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：6-SMD, Gull Wing
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The IS4N45SM is a single-channel optoisolator manufactured by Isocom Components 2004 LTD. It features a Darlington transistor output with a base terminal, housed in a surface-mount PDIP package with six pins. The device provides an isolation voltage of 5300Vrms and supports a maximum DC forward current of 50 mA. It offers a minimum current transfer ratio of 200% at specified conditions and operates within a temperature range of -25°C to 100°C.
Feature Summary
- Integrates a Darlington phototransistor output with a dedicated base pin for enhanced switching speed control
- Provides high-voltage electrical isolation rated at 5300Vrms between input and output circuits
- Utilizes a compact surface-mount PDIP package suitable for automated assembly processes
Applications
- Industrial automation systems requiring galvanic isolation
- Power supply feedback loops for signal transmission
- Microcontroller interface circuits for noise immunity
Procurement Notes
Verify the specific suffix 'SM' confirms the surface-mount PDIP variant when sourcing. Confirm the manufacturer designation as Isocom Components 2004 LTD to ensure authenticity. Check datasheet revisions for any updates to thermal or electrical limits before finalizing procurement specifications.
Selection Notes
Select this component when high isolation voltage and fast switching via base drive are required. Compare the 5300Vrms rating against system safety standards. Ensure the surface-mount form factor aligns with PCB layout constraints and that the Darlington output saturation characteristics meet load requirements.
Part Context
Isocom Components 2004 LTD specializes in infrared optoelectronic devices with over four decades of industry experience. The company traces its origins to Litronix management and engineering teams acquired by Siemens in 1982. Isocom has established itself as a trusted supplier of optocouplers and optoswitches globally.
Replacement Considerations
IS4N45SM serves as a direct substitute for similar Darlington output optocouplers with comparable isolation ratings. Verify pinout compatibility and electrical parameters such as CTR and isolation voltage before implementation.
