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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 PS2561L2-1-E4-A is a single-channel transistor output optocoupler manufactured by CEL. It features an NPN phototransistor output and operates with a maximum collector-emitter voltage of 80 V and a maximum collector current of 50 mA. The device provides high isolation voltage of 5,000 Vrms between input and output. It utilizes a surface-mount DIP-4 Gull Wing package designed for long creepage distance. The component supports a forward current of up to 80 mA with a typical forward voltage of 1.4 V. Operating temperature range extends from -55°C to +100°C.
Feature Summary
- High isolation voltage capability of 5,000 Vrms for reliable signal transmission across isolated circuits
- Gull-wing lead bending design specifically engineered for extended creepage distance in surface mount applications
- Single channel configuration with NPN phototransistor output for efficient switching operations
Applications
- Industrial control systems requiring galvanic isolation
- Power supply feedback loops for safety compliance
- Signal interfacing between microcontrollers and high-voltage loads
Procurement Notes
Verify the specific suffix E4 against manufacturer documentation to confirm lead-free status and RoHS compliance details. Confirm availability status as some sources indicate this variant may be obsolete or discontinued. Ensure the Gull-wing package type matches the PCB footprint requirements. Cross-reference the manufacturer designation between CEL and Renesas if sourcing through multiple channels.
Selection Notes
Select this component when long creepage distance is critical for safety standards in surface mount designs. The NPN output suits applications requiring open-collector switching capabilities. Verify that the 80 V collector-emitter voltage rating meets the load requirements. Consider the operating temperature range of -55°C to +100°C for environmental suitability.
Part Context
This part belongs to the PS2561 series of high-isolation voltage optocouplers. The L2 suffix typically denotes the Gull-wing surface mount package variant within the family. These devices are commonly used where robust electrical isolation is required between low-voltage control circuits and higher-voltage power stages.
Replacement Considerations
Public data indicates direct substitutes may be available for this obsolete part number. Verify compatibility with PS2561L2-1 variants from Renesas or CEL. Ensure pinout and package dimensions match exactly before substitution.
