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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)：100% @ 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 TIL191BSM is a single-channel optocoupler manufactured by Isocom Components. It features a high-density surface-mount package with four pins. The device integrates an infrared LED and an NPN silicon phototransistor for signal isolation. It provides a rated isolation voltage of 5300Vrms. The component is designed for applications requiring reliable electrical isolation between input and output circuits.
Feature Summary
- Integrates an infrared light emitting diode and an NPN silicon phototransistor within a single unit
- Provides high-voltage electrical isolation between the input and output sides
- Utilizes a compact surface-mount package design suitable for high-density mounting
Applications
- General purpose signal isolation in electronic circuits
- Interface between microprocessors and peripheral devices
- Isolation in industrial control systems
Procurement Notes
Verify that the specific part number matches the required surface-mount configuration and pinout. Confirm that the isolation voltage rating meets the safety requirements of the target application. Ensure the manufacturer designation aligns with the intended supply chain source to guarantee component authenticity and traceability.
Selection Notes
Select this component when a single-channel transistor output isolator is required in a surface-mount form factor. Consider the 5300Vrms isolation capability for safety-critical interfaces. Evaluate the physical dimensions against available board space constraints. Verify compatibility with standard reflow soldering processes for the specific package type.
Part Context
This component belongs to the family of transistor output optocouplers produced by Isocom Components. Similar variants include through-hole versions like the TIL191 and other surface-mount options such as the TIL191SM. These devices share the fundamental architecture of combining an infrared emitter with a silicon phototransistor for galvanic isolation.
Replacement Considerations
Potential substitutes include the TIL191SM and TIL191G, which offer similar functional characteristics. Verify pin compatibility and package dimensions before substitution. Cross-reference datasheets to ensure equivalent isolation ratings and electrical performance parameters are maintained.
