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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 4-SMD
- Series：NEPOC
- Mfr：Renesas Electronics Corporation
- Package：Bulk
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：50% @ 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)：70V
- Current - Output / Channel：30mA
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：30 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 PS2561AL2-1-V-E3-A is a single-channel transistor output optocoupler manufactured by Renesas Electronics Corporation. It integrates a GaAs infrared emitting diode and an NPN silicon phototransistor within a four-pin surface-mount package. The device provides 5000 Vrms isolation voltage between input and output circuits. Key electrical parameters include a maximum collector-emitter voltage of 70 V, a maximum forward current of 10 mA, and a typical forward voltage of 1.2 V. The phototransistor supports a maximum collector current of 30 mA with a saturation voltage of 300 mV. Switching characteristics feature a rise time of 3 µs and a fall time of 5 µs.
Feature Summary
- Integrates a GaAs light emitting diode and an NPN silicon phototransistor for signal transmission
- Provides high insulation voltage capability for circuit isolation
- Designed for surface mount installation in compact electronic assemblies
Applications
- General purpose signal isolation in industrial control systems
- Interface circuits requiring galvanic separation between low and high voltage domains
- Microprocessor input/output isolation applications
Procurement Notes
Verify component status carefully as this part may be classified as Not Recommended for New Designs (NRND) or obsolete depending on the specific revision and distributor listing. Confirm RoHS compliance details and check for official Product Change Notices regarding packaging or manufacturing site updates before finalizing procurement plans to ensure supply chain stability.
Selection Notes
Select this component when a single-channel transistor output optocoupler with 5000 Vrms isolation is required in a surface-mount form factor. Ensure the application logic aligns with the NPN phototransistor output type and that the 70 V collector-emitter voltage rating meets the load requirements. Verify that the 10 mA maximum forward current is sufficient for the driving source capabilities.
Part Context
This component belongs to the PS2561 series of optocouplers from Renesas Electronics, which originated from NEC Electronics Corporation prior to the 2010 merger. The series is characterized by its use of GaAs LEDs and silicon phototransistors to provide reliable electrical isolation. The AL2 suffix typically denotes specific packaging and lead configuration variations within the broader product family.
Replacement Considerations
Official substitutes include PS2561L2-1-V-F3-A and PS2561L2-1-V-E3-A. These parts share similar functional characteristics but may differ in packaging variants or specific ordering suffixes. Verify pinout compatibility and electrical parameter equivalence before substitution.
