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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)：80% @ 5mA
- Current Transfer Ratio (Max)：400% @ 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)：1.17V
- Current - DC Forward (If) (Max)：80 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-SMD
- Grade：-
- Qualification：-
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Overview
The PS2561L-1-E3-A is a single-channel transistor output optocoupler manufactured by CEL. It integrates a GaAs infrared emitting diode and an NPN silicon phototransistor within a surface-mount DIP-4 Gull Wing package. Key electrical parameters include a maximum collector-emitter voltage of 80 V, a maximum collector current of 50 mA, and a forward voltage of 1.17 V at 10 mA forward current. The device provides 5000 Vrms isolation voltage and operates across a temperature range of -55°C to +100°C.
Feature Summary
- High isolation voltage capability for safe signal transmission between isolated circuits
- Surface-mount gull-wing lead configuration for automated PCB assembly
- Single channel design with integrated NPN phototransistor output
Applications
- Industrial control systems requiring galvanic isolation
- Power supply feedback loops
- Signal isolation in microprocessor interfaces
Procurement Notes
Verify the specific suffix E3 confirms lead-free compliance as per manufacturer specifications. Confirm the L-1 designation matches the required surface-mount footprint. Check current availability status as distribution channels may vary. Ensure the datasheet version aligns with the procurement batch for accurate parameter validation.
Selection Notes
Select this component when a surface-mount solution is required for single-channel isolation. The 5000 Vrms rating suits applications demanding robust dielectric strength. Verify that the NPN output type meets the switching requirements of the load circuit. Consider the operating temperature range if deployed in extreme environmental conditions.
Part Context
This part belongs to the PS2561L series of high isolation voltage photocouplers. The series includes variants with different lead forms and compliance markings. The L-1 variant specifically denotes the lead-bending type suitable for surface mount technology. It is distinct from through-hole DIP versions or dual-channel configurations within the same family.
Replacement Considerations
Cross-reference with PS2561L-1-V-E3-A for equivalent functional specifications. Verify pinout compatibility before substitution. Ensure the replacement maintains the same isolation voltage and package dimensions.
