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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)：63% @ 10mA
- Current Transfer Ratio (Max)：125% @ 10mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：-
- 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 (0.300", 7.62mm)
- Supplier Device Package：6-DIP
- Grade：-
- Qualification：-
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Overview
The Vishay TCDT1122 is a dual-channel optocoupler featuring two independent phototransistor outputs coupled to infrared-emitting diodes. It utilizes a 6-lead plastic dual inline package (DIP) for through-hole mounting. The device provides electrical isolation between input and output circuits, with an isolation voltage rating of 5000 Vrms. It operates within a temperature range of -40°C to +100°C and complies with RoHS directives.
Feature Summary
- Dual-channel configuration with independent phototransistor outputs
- High isolation voltage capability for circuit protection
- Wide operating temperature range suitable for industrial environments
Applications
- Switch-mode power supplies
- Line receiver circuits
- Computer peripheral interfaces
- Microprocessor system interfaces
Procurement Notes
Verify the specific suffix designation against official Vishay documentation to confirm pinout compatibility and packaging variations. Ensure that the selected variant meets the required isolation voltage standards for your specific application safety regulations. Cross-reference datasheet revisions to confirm compliance with current environmental directives such as RoHS before finalizing procurement orders.
Selection Notes
Select this component when dual-channel isolation is required in a compact DIP footprint. Consider the phototransistor output speed and current transfer ratio limits relative to the signal requirements. Verify that the 6-lead package dimensions fit the target PCB layout constraints compared to alternative single-channel or surface-mount solutions.
Part Context
The TCDT1122 belongs to the TCDT1120 series of dual-channel optocouplers from Vishay Semiconductor Opto Division. This series is designed to provide reliable galvanic isolation in digital communication and power control applications. It serves as a standard solution for interfacing low-voltage logic circuits with higher voltage loads while maintaining safety separation.
Replacement Considerations
The TCDT1103 is documented as an industry-standard equivalent optocoupler. Verify pinout compatibility and electrical parameter alignment before substitution.
