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Product Detailed Parameters
- Description：OPTOISOLTR 5.3KV 1CH TRANS 4-SMD
- Series：TIL191
- Mfr：Isocom Components 2004 LTD
- Package：Tape & Reel (TR)
- 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 TIL191XSMT&R is a single-channel optocoupler manufactured by Isocom Components 2004 LTD. It features a surface-mount DIP package with four pins and utilizes a phototransistor output device. The component supports direct current input with a maximum forward voltage of 1.65V and a maximum input current of 50 mA. Key electrical parameters include an isolation voltage of 5300 Vrms, a typical rise time of 6 µs, and a typical fall time of 6 µs. The minimum current transfer ratio is specified at 20%.
Feature Summary
- Provides galvanic isolation between input and output circuits using a phototransistor configuration.
- Designed for surface-mount assembly within a compact four-pin SMD footprint.
- Supports direct current signal input for digital switching applications.
Applications
- Signal isolation in microcontroller interfacing circuits
- Digital communication line protection
- Switching power supply feedback loops
Procurement Notes
Verify the specific manufacturer designation and date code upon receipt to ensure authenticity from Isocom Components 2004 LTD. Confirm that the surface-mount package matches the required PCB footprint dimensions. Check for compliance markings such as RoHS status if environmental regulations apply to the final assembly. Ensure storage conditions prevent moisture damage prior to soldering.
Selection Notes
Select this component when a low-cost, single-channel isolation solution with moderate speed is required. The 5300 Vrms isolation rating suits general industrial control environments. Consider the 6 µs transition times against system timing requirements. Evaluate the 20% minimum CTR to ensure adequate drive capability for the load circuit under worst-case temperature conditions.
Part Context
This part belongs to the broader category of surface-mount optoisolators offered by Isocom Components 2004 LTD. It serves as a compact alternative to through-hole variants for space-constrained designs. The TIL191 series typically targets cost-sensitive consumer and industrial electronics requiring basic signal isolation without high-speed data transmission capabilities.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify pinout compatibility and isolation voltage ratings before considering any generic equivalents.
