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Product Detailed Parameters
- Description：OPTOISO 3.75KV 1CH TRANS 4-SOP
- Series：NEPOC
- Mfr：CEL
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：100% @ 5mA
- Current Transfer Ratio (Max)：300% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：10µs, 10µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：120V
- Current - Output / Channel：30mA
- Voltage - Forward (Vf) (Typ)：1.1V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：300mV
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SOP
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Overview
The PS2703-1-F3-L-A is a photovoltaic output optoisolator manufactured by CEL. It features an isolation voltage of 3750Vrms and operates within a temperature range of -55°C to 100°C. The device utilizes a GaAs light emitting diode coupled with an NPN silicon phototransistor, mounted in a 4-SOP surface-mount package. Typical rise and fall times are specified at 10µs each. The component is lead compliant and designed for high-reliability applications requiring electrical isolation.
Feature Summary
- Photovoltaic output configuration using GaAs LED and NPN silicon phototransistor
- High isolation voltage rating of 3750Vrms
- Wide operating temperature range from -55°C to 100°C
- Lead-compliant construction in a compact 4-SMD package
Applications
- Industrial control systems
- Consumer electronics isolation
- DC-DC converter feedback loops
- Signal transmission across isolated boundaries
Procurement Notes
Verify availability status as this specific part number may be discontinued or no longer carried by major distributors. Confirm exact pinout and package dimensions against the official datasheet before integration. Ensure substitution components meet identical isolation voltage and current transfer ratio requirements to maintain system safety and performance integrity.
Selection Notes
Select this component when high isolation voltage and fast switching speeds are required in a small form factor. The photovoltaic output type offers low leakage current characteristics suitable for sensitive analog circuits. Consider thermal management capabilities within the specified -55°C to 100°C range for harsh environment deployments.
Part Context
This device belongs to the PS2703 series of optically coupled isolators. The series is characterized by its use of gallium arsenide LEDs for efficient light emission and silicon phototransistors for signal detection. The 4-SOP package provides a space-saving solution for modern printed circuit board designs requiring galvanic isolation between input and output circuits.
Replacement Considerations
Direct substitutes include the PS2703-1-F3-K-A and PS2703-1-L-A variants. Verify compatibility regarding isolation voltage, current transfer ratio, and package footprint before replacement. Ensure that any substitute maintains the same safety approvals and operational temperature range.
