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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 4-DIP
- Series：-
- Mfr：SHARP/Socle Technology
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：-
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：4µs, 3µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：70V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：200mV
- Operating Temperature：-30°C ~ 100°C
- Mounting Type：Through Hole
- Package / Case：4-DIP (0.400", 10.16mm)
- Supplier Device Package：4-DIP
- Grade：-
- Qualification：-
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Overview
The PC123X1YFZ1B is a single-channel transistor output optocoupler manufactured by Sharp Microelectronics. It integrates an infrared emitting diode and a phototransistor within a compact SMD-4 package, designed for surface-mount assembly. The device provides reinforced insulation with a maximum isolation voltage of 5000 Vrms. Key electrical characteristics include a collector-emitter breakdown voltage of 80 V and a maximum collector current of 50 mA. The unit operates within a temperature range of -30°C to +100°C and features typical rise and fall times of 4 µs and 3 µs, respectively.
Feature Summary
- Integrates an infrared LED optically coupled to a phototransistor for signal transmission across isolated circuits.
- Provides reinforced insulation capability with high dielectric strength between input and output sections.
- Designed for surface-mount technology (SMT) applications utilizing a compact four-pin package configuration.
Applications
- Signal isolation in general-purpose electronic circuits
- Interface circuits for microprocessors and logic systems
- Power supply feedback loops requiring galvanic isolation
Procurement Notes
Verify the specific suffix 'FZ' against official Sharp documentation to confirm lead frame material and reel packaging specifications. Ensure compliance with RoHS directives and UL/VDE safety approvals relevant to the final application environment. Confirm that the SMD-4 footprint matches the target PCB design constraints.
Selection Notes
Select this component when a small form factor is required alongside standard transistor output performance. Consider the 80 V collector-emitter voltage rating for low-voltage switching applications. Evaluate the thermal management requirements given the operating temperature range up to 100°C.
Part Context
This part belongs to the PC123 series, which offers various package options including DIP and SMD types. The series is characterized by high current transfer ratio ranges and robust isolation capabilities. It serves as a modern replacement for older through-hole variants while maintaining compatible electrical parameters for legacy designs.
Replacement Considerations
Direct pin-compatible replacements may include other Sharp SMD-4 phototransistor optocouplers from the PC123 or PC3H7 families. Verify that substitute parts meet the same 5000 Vrms isolation and 80 V collector-emitter voltage requirements.
