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Product Detailed Parameters
- Description：TRANSISTOR OUTPUT OPTOCOUPLER
- Series：*
- Mfr：Texas Instruments
- Package：Bulk
- Number of Channels：-
- Voltage - Isolation：-
- Current Transfer Ratio (Min)：-
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：-
- Input Type：-
- Output Type：-
- Voltage - Output (Max)：-
- Current - Output / Channel：-
- Voltage - Forward (Vf) (Typ)：-
- Current - DC Forward (If) (Max)：-
- Vce Saturation (Max)：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The TIL118-3 is a transistor output optocoupler manufactured by Texas Instruments. It provides electrical isolation between input and output circuits using an infrared LED and a phototransistor detector. The device offers 2500V RMS isolation voltage, ensuring safe signal transmission across potential differences. It is housed in a standard DIP package suitable for through-hole mounting on printed circuit boards.
Feature Summary
- Provides galvanic isolation via infrared light coupling
- Features high common-mode transient immunity
- Utilizes a robust plastic encapsulation for durability
Applications
- Industrial process control systems
- Power supply feedback loops
- Microcontroller interface isolation
Procurement Notes
Verify the manufacturer marking matches Texas Instruments specifications. Confirm the part number suffix indicates the specific gain group or variant required for the application. Ensure the component meets RoHS compliance standards if mandated by the project requirements.
Selection Notes
Select this component when high isolation voltage is required for safety-critical applications. Consider the current transfer ratio and saturation voltage characteristics to ensure compatibility with the driving logic levels and load requirements of the target circuit design.
Part Context
This component belongs to the TIL118 series of optocouplers, which are widely used for general-purpose isolation tasks. The series includes variants with different pin configurations and performance characteristics, serving as replacements for older discrete isolation components in legacy designs.
Replacement Considerations
The TIL118-1 and TIL118-2 are related variants within the same family. Verify pinout compatibility and electrical parameter alignment before substituting these parts directly in existing board layouts without redesign.
