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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)：160% @ 10mA
- Current Transfer Ratio (Max)：320% @ 10mA
- Turn On / Turn Off Time (Typ)：4µs, 4.7µs
- Rise / Fall Time (Typ)：4µs, 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 TCDT1124G is a single-channel transistor output optocoupler manufactured by Vishay Semiconductor Opto Division. It integrates an NPN phototransistor with a gallium arsenide infrared emitting diode in a 6-lead PDIP package. The device provides an insulation voltage of 5000 Vrms and supports a maximum collector-emitter voltage of 70 V. Key electrical parameters include a forward current of 50 mA, a forward voltage of 1.6 V, and a current transfer ratio ranging from 160% to 320%. Saturation voltage is 300 mV, with rise and fall times of 4 µs and 4.7 µs respectively.
Feature Summary
- Integrates an NPN phototransistor with a gallium arsenide infrared emitting diode for optical signal transmission.
- Provides high isolation capability with a rated insulation voltage of 5000 Vrms.
- Features a standard 6-lead plastic dual inline package designed for through-hole mounting.
Applications
- General-purpose digital signal isolation in industrial control systems.
- Interface circuits between microprocessors and power switching devices.
- Signal coupling in solid-state relay driver applications.
Procurement Notes
Verify the specific Current Transfer Ratio (CTR) bin required for your application, as the datasheet specifies a range of 160% to 320%. Confirm that the 6-pin PDIP package aligns with your PCB footprint requirements. Ensure the 70 V collector-emitter voltage rating meets the load conditions. Check RoHS compliance status if environmental regulations apply to your manufacturing process.
Selection Notes
Select the TCDT1124G when high isolation voltage and moderate speed are required for single-channel applications. Compare its 70 V collector-emitter voltage against alternatives like the TCDT1102G, which offers only 32 V. Consider the CTR range of 160-320% for sufficient gain in driving subsequent stages. Evaluate the 4 µs rise time against faster options if higher bandwidth is needed.
Part Context
The TCDT1124G belongs to the TCDT1120(G) series from Vishay, which includes variants such as the TCDT1120G and TCDT1122G. These components share similar packaging and basic structural designs but differ in electrical characteristics like CTR and voltage ratings. This series is part of Vishay's broader portfolio of transistor output optocouplers designed for reliable galvanic isolation.
Replacement Considerations
The TCDT1120G is a related part within the same series, though it may have different CTR specifications. Verify pinout compatibility and electrical limits before substitution. No direct public substitute part numbers are confirmed in the provided documentation.
