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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 4-SMD
- Series：NEPOC
- Mfr：CEL
- Package：Bulk
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：130% @ 5mA
- Current Transfer Ratio (Max)：260% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：3µs, 5µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：80V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：40 mA
- Vce Saturation (Max)：300mV
- Operating Temperature：-55°C ~ 110°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SMD
- Grade：-
- Qualification：-
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Overview
The PS2561DL2-1Y-W-A is a single-channel transistor output optocoupler manufactured by CEL. It features an NPN silicon phototransistor coupled with a GaAs infrared LED, housed in a 4-pin surface-mount package designed for long creepage distance. The device supports a maximum operating ambient temperature of 110°C and provides high isolation voltage of 5000 Vrms. Key electrical parameters include a collector-emitter breakdown voltage of 80 V, a maximum collector current of 50 mA, and a typical current transfer ratio ranging from 130% to 260%. Switching characteristics include a rise time of 3 µs and a fall time of 5 µs.
Feature Summary
- Surface mount package engineered for extended creepage distance
- High thermal stability supporting operation up to 110°C
- Robust electrical isolation capability
Applications
- Industrial control systems requiring galvanic isolation
- Power supply feedback circuits
- Signal transmission across isolated grounds
Procurement Notes
Verify the specific suffix 'W-A' against official datasheets to confirm lead configuration and creepage specifications. Ensure compatibility with RoHS directives if required by your application standards. Cross-reference manufacturer part numbers carefully as variations exist within the NEPOC series.
Selection Notes
Select this component when long creepage distance is critical for safety compliance in surface mount designs. Consider the 110°C temperature rating for high-heat environments. Verify that the NPN output type and switching speeds meet the circuit requirements.
Part Context
This part belongs to the NEPOC series, which includes various DIP and SMD optocouplers. The DL2 designation specifically indicates the surface mount variant with bent leads for increased insulation clearance compared to standard SMD packages.
Replacement Considerations
Direct replacements may include other PS2561DL2 variants with different suffixes indicating minor packaging or certification differences. Verify pinout and electrical limits before substitution.
