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Product Detailed Parameters
- Description：QUAD CHANNEL DC INPUT HALF PITCH
- Series：-
- Mfr：Shenzhen Orient Components Co., Ltd
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Channels：-
- Voltage - Isolation：-
- Current Transfer Ratio (Min)：-
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：-
- Input Type：-
- Output Type：-
- Voltage - Output (Max)：-
- Current - Output / Channel：-
- Voltage - Forward (Vf) (Typ)：-
- Current - DC Forward (If) (Max)：-
- Vce Saturation (Max)：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The OR-3H7-4GB-TA1-G-(GK) is a quad-channel DC input optoisolator manufactured by Shenzhen Orient Components Co., Ltd. It integrates four infrared light-emitting diodes and four phototransistor detectors within a single 16-pin SOP package. The device provides high isolation voltage of 3,750Vrms between input and output circuits. Key electrical parameters include a minimum current transfer ratio (CTR) of 50% at an input forward current of 5mA and collector-emitter voltage of 5V. The output stage supports a maximum collector current of 50mA with a saturation voltage of 0.1V at 2mA and 100Ω load conditions.
Feature Summary
- Quad-channel configuration integrating four independent infrared LED and phototransistor pairs in one package
- High input-output isolation capability rated at 3,750Vrms for reliable signal transmission across isolated domains
- Halogen-free and antimony trioxide-free construction compliant with environmental standards
Applications
- Telecommunications signal isolation interfaces
- Electric power system monitoring and control circuits
- Home appliance logic-to-power interface isolation
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct pinout and packaging variant. Confirm that the requested quantity aligns with standard lead times as specified by Shenzhen Orient Components Co., Ltd. Cross-reference the component marking with the datasheet to validate authenticity before integration into production lines.
Selection Notes
Select this component when multiple isolated channels are required within a compact footprint. The quad-channel design reduces board space compared to discrete single-channel solutions. Ensure the application voltage levels remain within the specified limits for both input drive and output switching to maintain optimal current transfer ratio performance.
Part Context
This model belongs to the transistor output optoisolator category produced by Shenzhen Orient Components Co., Ltd. The manufacturer specializes in optoelectronic chips and maintains an IDM industrial chain covering R&D and manufacturing. The product line includes various categories such as thyristor, high-speed, and IGBT isolation optocouplers alongside standard transistor types.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing circuit designs if considering alternative quad-channel optoisolators from other manufacturers.
