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CPC1302GS
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Product Detailed Parameters
- Description：OPTOISOLTR 3.75KV 2CH DARL 8-SMD
- Series：-
- Mfr：Littelfuse Inc.
- Package：Tube
- Number of Channels：2
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：1000% @ 1mA
- Current Transfer Ratio (Max)：8000% @ 1mA
- Turn On / Turn Off Time (Typ)：5µs, 60µs
- Rise / Fall Time (Typ)：40µs, 5µs
- Input Type：DC
- Output Type：Darlington
- Voltage - Output (Max)：350V
- Current - Output / Channel：-
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：1 mA
- Vce Saturation (Max)：1.2V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：8-SMD, Gull Wing
- Supplier Device Package：8-SMD
- Grade：-
- Qualification：-
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Overview
The CPC1302GS is a dual optocoupler manufactured by Littelfuse Inc. It features two identical, independent channels, each with a unidirectional input and a high-voltage Darlington output. The device provides an isolation voltage of 3750 Vrms. Key electrical parameters include a load voltage rating of 350V, a rise time of 40us, and an output current capability of 100mA. These specifications define the component's operational limits and performance characteristics.
Feature Summary
- Dual channel architecture with independent unidirectional inputs
- High-voltage Darlington transistor outputs for robust switching
- Electrical isolation rated at 3750 Vrms
Applications
- Telecom circuits requiring control circuitry isolation
- Industrial control systems
- Instrumentation applications
Procurement Notes
Verify that the specific suffix 'GS' matches the required package type and tape-and-reel configuration as defined in the official Littelfuse datasheet. Ensure compliance with RoHS directives and confirm the manufacturer source to avoid counterfeit components. Cross-reference the full part number against the latest product change notices to validate current availability and manufacturing status.
Selection Notes
Select this component when high-voltage isolation and dual-channel switching are required. The Darlington output structure supports higher load currents compared to standard phototransistor outputs. Verify that the 350V load voltage and 100mA output current meet the specific circuit requirements. Consider the 40us rise time for signal integrity in the target application speed.
Part Context
The CPC1302 series belongs to Littelfuse's portfolio of dual optocouplers designed for telecom, industrial control, and instrumentation. These devices provide critical electrical isolation between control circuitry and high-voltage loads. The series utilizes a Darlington output configuration to enhance switching capabilities within a compact form factor suitable for various electronic designs.
Replacement Considerations
Consult the official Littelfuse documentation for confirmed substitute part numbers. Generic replacements may not match the specific Darlington output characteristics or isolation ratings.
