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Product Detailed Parameters
- Description：OPTOISOLTR 5.3KV 1CH TRANS 4-SMD
- Series：TIL191B
- Mfr：Isocom Components 2004 LTD
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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 TIL191BXSMT&R is a single-channel optocoupler manufactured by Isocom Components 2004 LTD. It features a surface-mount DIP package with four pins, designed for high-density mounting applications. The device integrates an infrared light-emitting diode input and an NPN silicon phototransistor output to provide electrical isolation. Key electrical specifications include a maximum forward current of 50 mA and an isolation voltage rating of 5300 Vrms. The minimum current transfer ratio is specified at 100%, ensuring reliable signal transmission across the isolation barrier.
Feature Summary
- Integrates an infrared LED with an NPN silicon phototransistor for galvanic isolation
- Utilizes a compact surface-mount DIP form factor suitable for space-constrained designs
- Provides high-voltage isolation capability rated at 5300 Vrms between input and output circuits
Applications
- General-purpose digital signal isolation in industrial control systems
- Interface circuits requiring high isolation voltage in consumer electronics
- Microcontroller input/output protection in embedded systems
Procurement Notes
Verify that the specific suffix 'SMT&R' corresponds to the required tape-and-reel packaging configuration rather than tube packaging. Confirm the manufacturer designation matches Isocom Components 2004 LTD to ensure component authenticity. Cross-reference the datasheet parameters against system requirements prior to final procurement decisions.
Selection Notes
Select this component when a surface-mount solution is required for single-channel isolation with a 5300 Vrms rating. Ensure the 50 mA forward current limit aligns with the driving circuit capabilities. Consider the 100% minimum current transfer ratio for logic level compatibility. Verify that the 4-pin SMD footprint fits within the available PCB area constraints.
Part Context
This part belongs to the TIL191 series of optocouplers from Isocom Components 2004 LTD. The series typically includes variants such as TIL191 and TIL191B, which share similar internal transistor-LED architecture but may differ in packaging or specific electrical tolerances. The BXSMT&R designation indicates a specific surface-mount variant within this product line.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Users should consult official distributor databases or manufacturer cross-reference guides for equivalent components with matching isolation voltages and package dimensions.
