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Product Detailed Parameters
- Description：QUAD CHANNEL AC 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-3H4-4GB-TA1-G-(GK) is a transistor output optocoupler from the Orient OR-3H4 series. It integrates an infrared LED emitter and an NPN phototransistor detector in a compact SOP-4 surface-mount package. The device provides high isolation voltage of 3750Vrms between input and output channels. Key electrical parameters include a collector-emitter saturation voltage of 400mV at specified currents, a load voltage rating of 80V, and a DC reverse voltage of 6V. The unit supports a maximum forward current of 50mA and total power dissipation of 200mW. It operates within a temperature range of -55°C to +125°C.
Feature Summary
- High input-output isolation capability for safe signal transmission
- Compact four-pin SOP surface-mount packaging for dense circuit layouts
- Wide operating temperature range suitable for industrial environments
Applications
- Mixed substrate installations requiring high density
- Programmable logic controllers
- System equipment and measurement instruments
Procurement Notes
Verify the specific suffix TA1-G-(GK) against official Orient Component datasheets to confirm pinout configuration and compliance status. Ensure the ordering information matches the exact part number variant required for your design. Cross-reference with authorized distributors to validate authenticity and traceability before finalizing procurement orders.
Selection Notes
Select this component when high-density mounting is required alongside robust galvanic isolation. The SOP-4 package offers space efficiency compared to through-hole alternatives. Verify that the 3750Vrms isolation rating meets your system safety standards. Confirm that the 80V load voltage and 50mA output current capabilities align with the downstream circuit requirements.
Part Context
This device belongs to the Orient OR-3H4 series of transistor output optocouplers. The series is designed for general-purpose isolation applications where compact size and reliable performance are critical. Orient Components manufactures these devices using integrated optoelectronic chip technology, ensuring consistent quality across their product line.
Replacement Considerations
Consult official compatibility charts for direct substitutes. Generic replacements may differ in isolation voltage or package dimensions. Verify pin compatibility and electrical specifications before swapping components in existing designs.
