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Product Detailed Parameters
- Description：OPTOISO 2.5KV 1CH TRANS 4-SSOP
- Series：NEPOC
- Mfr：Renesas Electronics Corporation
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：2500Vrms
- Current Transfer Ratio (Min)：150% @ 1mA
- Current Transfer Ratio (Max)：300% @ 1mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：4µs, 5µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：40V
- Current - Output / Channel：40mA
- Voltage - Forward (Vf) (Typ)：1.15V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：300mV
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：4-SOIC (0.173", 4.40mm Width)
- Supplier Device Package：4-SSOP
- Grade：-
- Qualification：-
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Overview
The PS2811-1-F3-L-A is a single-channel transistor output optocoupler manufactured by Renesas Electronics. It integrates an AlGaAs LED and an NPN phototransistor in a thin SSOP-4 package. Key electrical parameters include a collector-emitter breakdown voltage of 40 V, a maximum forward current of 50 mA, and an isolation voltage of 2500 Vrms. The device features a typical current transfer ratio of 100%, with a maximum power dissipation of 180 mW. Operating temperatures range from -55°C to +100°C.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits
- Features a shielded plastic SSOP-4 package for ambient light rejection
- Integrates an AlGaAs LED with an NPN silicon phototransistor
Applications
- Industrial control systems requiring signal isolation
- Power supply feedback loops
- Microcontroller interface circuits
Procurement Notes
Verify the specific suffix against official Renesas documentation to confirm pinout and safety approvals. Confirm availability status as distribution channels may list limited stock or obsolete variants. Ensure the ordering code matches the required tape and reel specifications for automated assembly processes.
Selection Notes
Select this component when a compact, single-channel isolator with a 40 V collector-emitter voltage rating is required. The SSOP-4 package suits high-density PCB layouts. Verify that the 100% CTR meets the drive requirements of the receiving circuitry within the specified temperature range.
Part Context
This part belongs to the PS2811 series of high-isolation voltage optocouplers. It shares the same physical footprint and basic functionality as the PS2801 series but differs in internal semiconductor specifications, specifically offering a lower collector-emitter breakdown voltage compared to the 80 V rating found in the PS2801-1 variant.
Replacement Considerations
PS2801-1-F3-L-A offers similar packaging but higher voltage ratings; verify if the 80 V rating is necessary or if the 40 V limit of the PS2811 is sufficient for the application.
