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Product Detailed Parameters
- Description：OPTOISOLTR 2.5KV 1CH DARL 4-SSOP
- Series：-
- Mfr：TT Electronics/Optek Technology
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：2500Vrms
- Current Transfer Ratio (Min)：20% @ 1mA
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：200µs, 200µs
- Input Type：DC
- Output Type：Darlington
- Voltage - Output (Max)：40V
- Current - Output / Channel：90mA
- Voltage - Forward (Vf) (Typ)：1.1V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：1V
- Operating Temperature：-30°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：4-SOIC (0.173", 4.40mm Width)
- Supplier Device Package：4-SSOP
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Overview
The OPIA406CTUE is a single-channel optoisolator manufactured by TT Electronics/Optek Technology. It features a Darlington transistor output and provides 2500Vrms isolation voltage. The device is housed in a compact 4-SSOP surface-mount package. Key electrical specifications include a maximum collector-emitter voltage of 80V, a DC forward current of 50mA, and a typical saturation voltage of 300mV. The unit operates within a temperature range of -30°C to 100°C.
Feature Summary
- Integrates an infrared emitting diode with a high-gain Darlington phototransistor for enhanced signal transmission.
- Provides robust electrical isolation between input and output circuits to protect sensitive components.
- Utilizes a small-footprint surface-mount package suitable for automated assembly processes.
Applications
- Industrial control systems requiring galvanic isolation
- Signal interfacing between microcontrollers and high-voltage loads
- Power supply feedback loops
Procurement Notes
Verify the specific suffix against official datasheets to confirm pinout and performance characteristics. Confirm availability status as distribution channels may list obsolete or discontinued inventory. Ensure the selected variant matches the required isolation voltage and package dimensions for the target PCB layout.
Selection Notes
Select this component when high current transfer ratio is needed from a Darlington output stage compared to standard phototransistors. Consider the slower switching speed inherent to Darlington configurations versus single-transistor alternatives. Verify that the 4-SSOP footprint aligns with existing board space constraints and thermal management requirements.
Part Context
This part belongs to the OPIA40x series of optocouplers from TT Electronics/Optek Technology. The series offers various output types including transistors and Darlington pairs. The OPIA406CTUE specifically denotes the Darlington output variant in a surface-mount SSOP package, distinguishing it from through-hole DIP versions like the OPIA406CTU.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Cross-referencing requires matching isolation voltage, output type, and package dimensions with manufacturer-approved equivalents.
