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CPC1301GR
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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH DARL 4-SMD
- Series：-
- Mfr：Littelfuse Inc.
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：1000% @ 1mA
- Current Transfer Ratio (Max)：8000% @ 1mA
- Turn On / Turn Off Time (Typ)：1µs, 80µs
- Rise / Fall Time (Typ)：40µs, 2.6µs
- 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：4-SMD, Gull Wing
- Supplier Device Package：4-SMD
- Grade：-
- Qualification：-
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Overview
The Littelfuse CPC1301GR is a single-channel surface-mount optocoupler featuring an infrared LED input and a high-voltage NPN Darlington phototransistor output. It provides 5000 Vrms isolation between input and output circuits. The device guarantees a minimum current transfer ratio of 1000% at an input current of 1 mA, with a collector voltage capability of 350 V. Packaged in a compact 4-pin SMD format, it is designed for applications requiring robust electrical isolation and high gain.
Feature Summary
- High current transfer ratio ensures efficient signal transmission with low input drive requirements
- High voltage Darlington output structure supports switching of high voltage loads
- Strong galvanic isolation barrier protects control circuitry from high voltage transients
Applications
- Telecommunications equipment requiring signal isolation
- Industrial control systems for sensor interfacing
- Power control circuits needing high voltage switching
Procurement Notes
Verify the component origin as Littelfuse or IXYS Integrated Circuits, as manufacturing rights may vary. Confirm the suffix GR indicates the specific tape and reel packaging variant. Ensure compliance with Pb-Free solder reflow profiles specified in Technical Brief TB-200 during assembly to maintain device integrity and performance specifications.
Selection Notes
Select this component when high voltage isolation and high gain are required in a small footprint. The Darlington output allows driving higher load currents compared to standard phototransistors. Consider the 350 V collector voltage rating for appropriate headroom in switching applications. Verify thermal management requirements for the SMD package under continuous operation conditions.
Part Context
This part belongs to the CPC1301 series of OptoMOS products, which provide optically isolated means of switching control circuits. The series includes single and dual configurations. These devices utilize a GaAlAs infrared LED coupled to silicon NPN phototransistors, offering reliability and longevity suitable for demanding industrial and commercial environments.
Replacement Considerations
Check datasheets for equivalent single-channel Darlington optocouplers with similar 5000 Vrms isolation and 350 V output ratings. Verify pinout compatibility for direct replacement in existing PCB layouts. Ensure current transfer ratio and input forward voltage characteristics meet the original design constraints.
