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Product Detailed Parameters
- Description：OPTOISO 2.5KV 1CH TRANS 4-SSOP
- Series：NEPOC
- Mfr：Renesas Electronics Corporation
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：2500Vrms
- Current Transfer Ratio (Min)：200% @ 1mA
- Current Transfer Ratio (Max)：400% @ 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-K-A is a single-channel transistor output optocoupler manufactured by Renesas Electronics. It features an NPN phototransistor output housed in an SSOP-4 surface-mount package. Key electrical parameters include a maximum collector-emitter voltage of 40 V, a maximum collector current of 40 mA, and a forward voltage of 1.15 V at a forward current of 5 mA. The device provides an insulation voltage of 2500 Vrms and operates within a temperature range of -55°C to +100°C. Additional specifications include a power dissipation of 180 mW, a reverse voltage of 6 V, and a saturation voltage of 300 mV.
Feature Summary
- Provides high-speed signal transmission with rise and fall times of 4 us and 5 us respectively.
- Features a compact SSOP-4 surface-mount package for efficient board space utilization.
- Offers robust electrical isolation with a 2500 Vrms insulation voltage rating.
Applications
- Industrial control systems requiring galvanic isolation
- Measurement equipment input circuits
- Power supply feedback loops
Procurement Notes
Verify component authenticity through authorized channels due to limited availability status. Confirm RoHS compliance details as specified in the official datasheet. Ensure storage conditions maintain integrity given the sensitive semiconductor nature. Validate pinout compatibility with existing PCB layouts before integration into production workflows.
Selection Notes
Select this component when a single-channel isolation solution with moderate speed is required. The SSOP-4 package suits applications with strict spatial constraints. Verify that the 40 V collector-emitter voltage meets circuit requirements. Consider the 5 mA forward current drive capability against available source impedance in the design.
Part Context
This part belongs to the PS2811 series of transistor output optocouplers from Renesas Electronics. The series is designed for general-purpose isolation applications. The specific suffix indicates manufacturing or packaging variations within the standard product line. It shares core electrical characteristics with other variants in the same family while maintaining distinct identification codes.
Replacement Considerations
PS2811-1-L-A serves as a verified substitute within the same product family. Both parts share identical electrical specifications and pin configurations. Verify package compatibility and lead availability before implementing any substitution in existing designs.
