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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 4-SMD
- Series：NEPOC
- Mfr：Renesas Electronics Corporation
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：150% @ 1mA
- Current Transfer Ratio (Max)：300% @ 1mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：20µs, 30µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：40V
- Current - Output / Channel：30mA
- Voltage - Forward (Vf) (Typ)：1.1V
- Current - DC Forward (If) (Max)：80 mA
- Vce Saturation (Max)：250mV
- Operating Temperature：-55°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 PS2503L-1-L-A is a transistor output optocoupler from Renesas Electronics, featuring an NPN phototransistor and GaAs LED. It provides 5000 Vrms isolation in a 4-SMD gull-wing package. Key electrical parameters include a collector-emitter voltage of 40 V, maximum collector current of 30 mA, and power dissipation of 150 mW. The device operates within a temperature range of -55°C to +100°C. Current transfer ratio ranges from 100% to 400%, with typical rise and fall times of 20 µs.
Feature Summary
- High-speed switching capability with low input current requirements
- Robust electrical isolation for signal transmission between circuits
- Wide operating temperature range suitable for industrial environments
Applications
- Industrial control systems requiring galvanic isolation
- Signal interface circuits in automation equipment
- Power supply feedback loops for noise immunity
Procurement Notes
Verify the specific suffix 'L' against the manufacturer's official datasheet to confirm package variant and tape-and-reel specifications. Confirm RoHS compliance status directly with Renesas documentation. Ensure the component status is reviewed as it may be marked as Not Recommended for New Designs (NRND). Cross-reference ordering information with authorized distributors to avoid obsolete stock.
Selection Notes
Select this component when high-speed switching is required alongside moderate current drive capabilities. The NPN phototransistor output suits applications needing standard logic interfacing. Consider the 40 V collector voltage limit for load compatibility. Evaluate the 20 µs switching speed against system timing requirements. Compare against the PS2503L-1-A if leaded DIP packaging is preferred over surface mount.
Part Context
This part belongs to the PS2503L series of low input current, high-speed switching photocouplers. It integrates a GaAs infrared emitting diode and an NPN silicon phototransistor on a single chip. The series is designed for applications demanding fast response times and reliable isolation in compact surface-mount packages.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Consult Renesas technical support or official replacement guides for qualified alternatives.
