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Product Detailed Parameters
- Description：OPTOISO 3.75KV 1CH TRANS 4-SOP
- Series：-
- Mfr：TT Electronics/Optek Technology
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：50% @ 5mA
- Current Transfer Ratio (Max)：600% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：5µs, 4µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：60V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.6V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：300mV
- Operating Temperature：-55°C ~ 115°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SOP (2.54mm)
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Overview
The OPIA404BTRE is a single-channel transistor output optocoupler manufactured by TT Electronics/Optek Technology. It features a DC input and provides electrical isolation with a maximum collector-emitter voltage of 60 V and an insulation voltage of 3750 Vrms. The device supports a maximum collector current of 50 mA and offers a high current transfer ratio up to 600%. Key electrical parameters include a maximum forward diode voltage of 1.75 V, a collector-emitter saturation voltage of 0.3 V, and a maximum power dissipation of 170 mW. It operates within a temperature range of -55°C to +125°C and utilizes a SOP-4 surface-mount package.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits
- Utilizes a phototransistor sensor for signal transmission
- Designed for cost-effective analog and digital applications
Applications
- Analog output signal transmission systems
- Digital signal isolation interfaces
- Industrial control circuit protection
Procurement Notes
Verify the specific suffix 'TRE' against official datasheets to confirm reel packaging specifications and tape dimensions. Ensure compliance with RoHS directives as indicated in product documentation. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and current production status before procurement.
Selection Notes
Select this component when high current transfer ratios are required for efficient signal coupling. The 60 V collector-emitter rating suits low-voltage logic interfacing. Verify that the SOP-4 package footprint aligns with PCB layout constraints. Confirm thermal management capabilities meet the 170 mW power dissipation limit under intended operating conditions.
Part Context
This device belongs to the OPIA series of optocouplers from TT Electronics/Optek Technology. The series includes variants with different isolation voltages and output types, such as Darlington configurations. These components are designed for surface-mount assembly, offering compact solutions for isolation requirements in modern electronic designs.
Replacement Considerations
Direct substitutes may include other single-channel transistor output optocouplers with comparable 3750 Vrms isolation and similar pinout configurations. Verify electrical parameters such as CTR and Vce(sat) match application requirements. Check package compatibility for SOP-4 footprints.
