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Product Detailed Parameters
- Description：OPTOISOLTR 5.3KV 1CH TRANS 4-SMD
- Series：TIL191
- Mfr：Isocom Components 2004 LTD
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5300Vrms
- Current Transfer Ratio (Min)：20% @ 5mA
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：6µs, 6µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：35V
- Current - Output / Channel：-
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：400mV
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SMD
- Grade：-
- Qualification：-
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Overview
The TIL191SM is a single-channel optoisolator manufactured by Isocom Components 2004 LTD. It features a surface-mount package with four pins and utilizes an infrared LED coupled to an NPN silicon phototransistor for signal transmission. The device provides high isolation capability with a rated voltage of 5300Vrms. It supports a maximum forward input current of 50 mA and operates within a temperature range from -55°C to 100°C.
Feature Summary
- Integrates an infrared light emitting diode with an NPN silicon phototransistor for optical signal coupling
- Designed for high-density surface-mount mounting applications
- Provides electrical isolation between input and output circuits
Applications
- General purpose signal isolation in electronic circuits
- Interface circuits requiring galvanic separation
- Digital signal transmission across isolated boundaries
Procurement Notes
Verify the specific suffix 'SM' against official manufacturer documentation to confirm the exact package type and tape-and-reel specifications. Ensure the component meets required isolation voltage ratings for the intended application environment. Cross-reference datasheet parameters such as forward voltage and current transfer ratio with system design constraints before finalizing procurement.
Selection Notes
Select this component when a compact, surface-mount solution is required for single-channel isolation. Consider the 5300Vrms isolation rating and operating temperature range relative to environmental conditions. Evaluate the 50mA maximum forward current limit against drive circuit capabilities. Confirm compatibility with PCB footprint requirements for the 4-pin SMD configuration.
Part Context
This part belongs to the TIL191 series of optocouplers produced by Isocom Components 2004 LTD. The series typically includes variants with different packaging options, such as through-hole DIP and surface-mount configurations. The TIL191SM specifically denotes the surface-mount version of this standard transistor-output optocoupler family.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Verify pinout compatibility and electrical characteristics with alternative components if sourcing changes occur.
