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Product Detailed Parameters
- Description：OPTOISO 2.5KV 1CH TRANS 4-SSOP
- Series：-
- Mfr：CEL
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：2500Vrms
- Current Transfer Ratio (Min)：50% @ 5mA
- Current Transfer Ratio (Max)：400% @ 5mA
- Turn On / Turn Off Time (Typ)：10µs, 7µs
- Rise / Fall Time (Typ)：5µs, 7µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：80V
- 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-SOIC (0.173", 4.40mm Width)
- Supplier Device Package：4-SSOP
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Overview
The PS2801C-1-F3-K-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 compact SSOP package. The device provides electrical isolation with a rated insulation voltage of 2500 Vrms. Key electrical specifications include a maximum collector-emitter voltage of 80V, a continuous collector current of 30mA per channel, and a typical forward voltage of 1.2V for the input LED. The component operates across a temperature range from -55°C to +100°C.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits using optical coupling technology.
- Features a fast response time suitable for digital signal transmission applications.
- Designed with a compact plastic SSOP package to facilitate surface-mount assembly.
Applications
- Digital signal isolation in industrial control systems
- Interface circuits for microprocessors and logic devices
- Power supply feedback loops requiring galvanic isolation
Procurement Notes
Verify the specific suffix K-A against official datasheets to confirm packaging details such as tape-and-reel configuration versus bulk. Confirm RoHS compliance status through the manufacturer's latest documentation. Check part status as obsolete variants may exist; ensure the active revision matches system requirements before procurement.
Selection Notes
Select this component when a single-channel isolation barrier is required with moderate speed capabilities. Ensure the application voltage does not exceed the 80V collector-emitter rating. Verify that the required isolation voltage meets or exceeds 2500 Vrms. Consider thermal management if operating near the upper limit of the specified temperature range.
Part Context
This component belongs to the PS2801C family of optocouplers, which are widely used for general-purpose isolation. The series typically offers variations in packaging and lead finish. The PS2801C-1-F3-K-A specifically denotes a version with defined reel packaging characteristics, distinguishing it from bulk-packaged equivalents within the same functional family.
Replacement Considerations
Direct replacements must match the 4-pin SSOP footprint and NPN phototransistor output type. Verify equivalent isolation voltage ratings of at least 2500 Vrms. Compare current transfer ratio and propagation delay specifications to ensure circuit compatibility. Consult manufacturer cross-reference lists for validated substitutes.
