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Product Detailed Parameters
- Description：OPTOISOLTR 5.3KV 1CH DARL 4-DIP
- Series：TIL197
- Mfr：Isocom Components 2004 LTD
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5300Vrms
- Current Transfer Ratio (Min)：1500% @ 2mA
- Current Transfer Ratio (Max)：7500% @ 2mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：100µs, 100µs
- Input Type：DC
- Output Type：Darlington
- Voltage - Output (Max)：35V
- Current - Output / Channel：-
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：1V
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Through Hole
- Package / Case：4-DIP (0.300", 7.62mm)
- Supplier Device Package：4-DIP
- Grade：-
- Qualification：-
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Overview
The TIL197B is a single-channel optoisolator manufactured by Isocom Components 2004 LTD. It features a Darlington transistor output and utilizes a 4-pin DIP package. The device provides an isolation voltage of 5300Vrms. Key electrical parameters include a maximum input current of 50 mA, a typical rise time, and a typical fall time. The component supports DC input signals and offers a high current transfer ratio of up to 500%.
Feature Summary
- High gain capability through Darlington transistor output configuration
- Robust electrical isolation for signal transmission between circuits
- Standardized pinout compatible with common commercial optocoupler footprints
Applications
- Industrial control systems requiring high-gain switching
- Microcontroller interface circuits for isolated digital signals
- Solid-state relay driver applications
Procurement Notes
Verify the specific suffix designation against official manufacturer documentation to confirm exact performance characteristics. Ensure the procurement source provides valid traceability for this component. Cross-reference the part number with authorized distributor listings to confirm authenticity and compliance with relevant safety standards before integration into designs.
Selection Notes
Select this component when high current transfer ratio is required for driving loads directly from low-current logic outputs. The Darlington output structure allows for greater sensitivity compared to standard phototransistor variants. Consider the 4-pin DIP form factor for ease of prototyping and replacement in existing through-hole designs.
Part Context
Isocom Components 2004 LTD specializes in infrared optoelectronic devices, including optocouplers and optoswitches. The company has over 40 years of industry expertise, originating from Litronix management and engineering teams. Products are designed to meet global industry standards and often serve as replacements for discontinued components.
Replacement Considerations
The TIL197 is a related variant within the same series. Verify pin compatibility and electrical specifications when substituting with other single-channel Darlington output optocouplers.
