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Product Detailed Parameters
- Description：OPTOISOLATOR 1CH TRANS
- Series：-
- Mfr：Sharp Microelectronics
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：-
- 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：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The PC123Y22FZ1B is a single-channel transistor output optocoupler manufactured by Sharp Microelectronics. It features an NPN phototransistor output and provides high isolation voltage of 5000 Vrms. The device is housed in a DIP-4 package, suitable for through-hole mounting. Key electrical specifications include a maximum collector-emitter voltage of 70V, a forward current of 50mA, and a typical forward voltage of 1.2V. The component is designed for reliable signal transmission across isolated circuits with low power consumption.
Feature Summary
- Provides galvanic isolation between input and output circuits using light transmission
- Features an NPN phototransistor output for digital signal switching applications
- Offers high insulation voltage capability for safety-critical designs
- Utilizes a standard DIP-4 package for easy integration into PCB layouts
Applications
- Industrial control systems requiring signal isolation
- Power supply feedback loops for voltage regulation
- Microcontroller interface circuits for noise immunity
- Solid-state relay driver circuits
Procurement Notes
Verify the specific suffix 'FZ1B' to ensure correct packaging and tape-and-reel or tube configuration as per the datasheet. Confirm RoHS compliance status if required for your manufacturing process. Check for obsolescence notices as Sharp may have updated product lines. Ensure the supplier provides genuine components with traceable documentation to avoid counterfeit risks.
Selection Notes
Select this component when a single-channel transistor output optocoupler with 5000 Vrms isolation is needed. Consider the 70V collector-emitter voltage rating for load compatibility. Evaluate the DIP-4 package size against available PCB space. Compare propagation delay and current transfer ratio requirements with alternative models if higher speed or gain is necessary for the specific application design.
Part Context
This part belongs to Sharp's PC123 series of transistor output optocouplers. The series is known for high reliability and compact size. The PC123Y22FZ1B variant specifically denotes the DIP-4 package and specific binning for current transfer ratio. It is commonly used in general-purpose isolation applications where cost-effectiveness and proven performance are prioritized over high-speed data transmission capabilities.
Replacement Considerations
Check for direct pin-compatible substitutes from Sharp or other manufacturers offering similar isolation voltages and output types. Verify that any replacement matches the DIP-4 package dimensions and electrical characteristics such as CTR and breakdown voltages.
