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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH DARL 4-SMD
- Series：-
- Mfr：Sharp Microelectronics
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：1000% @ 1mA
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：100µs, 20µs
- Input Type：DC
- Output Type：Darlington
- Voltage - Output (Max)：350V
- Current - Output / Channel：150mA
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：1.2V
- Operating Temperature：-30°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SMD
- Grade：-
- Qualification：-
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Overview
The Sharp Microelectronics PC853XI is a single-channel optoisolator featuring a Darlington transistor output. It provides a high isolation voltage of 5000Vrms and supports a maximum output voltage of 350V. The device operates with a DC input and delivers an output current of up to 150mA per channel. Key electrical parameters include a typical forward voltage of 1.2V, a maximum DC forward current of 50mA, and a minimum current transfer ratio of 1000% at 1mA. The unit is housed in a 4-SMD gull-wing package and functions within a temperature range of -30°C to 100°C.
Feature Summary
- High isolation capability with 5000Vrms rating for robust circuit separation
- Darlington transistor output configuration enabling high current gain
- Surface-mount 4-SMD gull-wing packaging for automated assembly
Applications
- Industrial control systems requiring galvanic isolation
- Power supply feedback loops
- Signal transmission between isolated logic circuits
Procurement Notes
Verify component authenticity through authorized distributors due to discontinued status. Confirm package integrity and pin alignment upon receipt. Check datasheet revisions for any historical parameter updates. Ensure storage conditions meet moisture sensitivity level requirements before soldering.
Selection Notes
Select this component when high current drive capability is needed from a low-power LED input. The Darlington output offers superior gain compared to standard phototransistors. Verify that the 5000Vrms isolation meets system safety standards. Ensure the 4-SMD footprint matches the PCB layout constraints.
Part Context
This part belongs to the Sharp PC853X series of optocouplers. The series typically includes variants with different lead forms or packaging options. The PC853XI specifically denotes the surface-mount gull-wing version. It shares core optical and electrical characteristics with other members of the family while differing in mechanical form factor.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Due to the discontinued status, direct replacements may require design review for pin compatibility and electrical parameter matching.
