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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 4-SMD
- Series：NEPOC
- Mfr：CEL
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：100% @ 1mA
- Current Transfer Ratio (Max)：400% @ 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-F3-A is a single-channel transistor output optocoupler manufactured by CEL. It features an NPN phototransistor output with a maximum collector-emitter voltage of 40V and a collector current of 30mA. The device provides 5000Vrms isolation voltage and operates within a temperature range of -55°C to 100°C. Typical rise and fall times are 20µs and 30µs, respectively. The forward voltage is typically 1.1V at a maximum forward current of 80mA. Current transfer ratio ranges from 100% to 400% at 1mA input. The unit is housed in a 4-SMD gull wing package.
Feature Summary
- High isolation voltage capability for safe signal transmission between circuits
- Surface mount packaging suitable for automated assembly processes
- Wide operating temperature range for diverse environmental conditions
Applications
- Industrial control systems requiring galvanic isolation
- Signal transmission in measurement equipment
- Power supply feedback loops
Procurement Notes
Verify the specific suffix F3 indicates reel packaging when sourcing. Confirm RoHS3 compliance status with the supplier. Check for obsolescence notices as this component may be restricted for new designs. Ensure the manufacturer is CEL and not Renesas, as part numbers may overlap across brands. Validate the 4-SMD package dimensions against your PCB footprint requirements before ordering.
Selection Notes
Select this component when high isolation voltage is required alongside low input current operation. The NPN phototransistor output suits digital switching applications. Consider the 40V collector voltage limit for load compatibility. The surface mount form factor aids in compact board design. Verify the current transfer ratio meets the specific logic level requirements of the receiving circuit.
Part Context
This component belongs to the PS2503 series of low input current, high-speed switching multi photocouplers. The series is designed for applications requiring reliable electrical isolation. The L variant typically denotes specific performance characteristics or packaging options within the family. CEL manufactures these devices for industrial and commercial electronic markets.
Replacement Considerations
PS2503L-1-A is listed as a potential substitute by some distributors. Verify pinout and electrical specifications match exactly before substitution. Ensure the replacement maintains the same isolation voltage and package type.
