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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 6-DIP
- Series：-
- Mfr：Vishay Semiconductor Opto Division
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：100% @ 10mA
- Current Transfer Ratio (Max)：200% @ 10mA
- Turn On / Turn Off Time (Typ)：7µs, 5µs
- Rise / Fall Time (Typ)：4.2µs, 4.7µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：70V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.25V
- Current - DC Forward (If) (Max)：60 mA
- Vce Saturation (Max)：300mV
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Through Hole
- Package / Case：6-DIP (0.400", 10.16mm)
- Supplier Device Package：6-DIP
- Grade：-
- Qualification：-
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Overview
The TCDT1123G is a phototransistor optocoupler from Vishay Semiconductor Opto Division, featuring an infrared emitting diode optically coupled to a phototransistor in a 6-lead plastic dual inline package. It provides electrical isolation with a maximum output voltage of 70V and a collector-emitter saturation voltage of 300mV. The device supports a maximum input current of 60mA and offers high isolation voltage ratings.
Feature Summary
- Integrates an infrared LED with a phototransistor for signal transmission
- Provides galvanic isolation between input and output circuits
- Designed for through-hole mounting in standard DIP packages
Applications
- Switch-mode power supplies
- Line receiver circuits
- Computer peripheral interfaces
- Microprocessor system interfaces
Procurement Notes
Verify the specific datasheet version for the TCDT1123G to confirm pinout compatibility and electrical limits. Ensure the selected component matches the required isolation voltage and current transfer ratio specifications for your circuit design. Cross-reference with official Vishay documentation to validate RoHS compliance and packaging details before procurement.
Selection Notes
Select the TCDT1123G when a robust phototransistor output is needed for digital signal isolation. Consider its 70V output rating and low saturation voltage for efficient switching applications. Evaluate the 6-DIP package size against board space constraints and verify thermal management requirements for continuous operation within the specified temperature range.
Part Context
This component belongs to the TCDT112x series of optocouplers, which includes variants like TCDT1120, TCDT1121, and TCDT1122. These devices share similar construction principles but may differ in specific electrical characteristics such as current transfer ratio or switching speed. The series is designed for general-purpose isolation tasks in industrial and consumer electronics.
Replacement Considerations
Direct substitutes include other Vishay TCDT112x series parts like TCDT1120G or TCDT1122G, provided their electrical parameters meet the application requirements. Verify pinout compatibility and isolation voltage ratings when considering alternative manufacturers' equivalents.
