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Product Detailed Parameters
- Description：OPTOISO 2.5KV 4CH TRANS 16-SSOP
- Series：-
- Mfr：CEL
- Package：Bulk
- Number of Channels：4
- Voltage - Isolation：2500Vrms
- Current Transfer Ratio (Min)：80% @ 5mA
- Current Transfer Ratio (Max)：600% @ 5mA
- Turn On / Turn Off Time (Typ)：6µs, 5µs
- Rise / Fall Time (Typ)：3µs, 5µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：80V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.1V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：300mV
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.173", 4.40mm Width)
- Supplier Device Package：16-SSOP
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Overview
The PS2801-4 is a transistor output optoisolator manufactured by CEL. It integrates a GaAs light emitting diode and an NPN silicon phototransistor within a plastic SSOP package. The device provides four independent channels for signal isolation. Key electrical specifications include a high isolation voltage of 2500Vrms and a minimum current transfer ratio of 80% at a forward current of 5mA. The component utilizes a 16-pin SSOP configuration with a pin pitch of 1.27 mm, designed for high-density circuit applications requiring noise reduction.
Feature Summary
- Integrates GaAs LED and NPN silicon phototransistor for optical signal coupling
- Provides high isolation voltage capability of 2500Vrms
- Utilizes small and thin 16-pin SSOP package for high-density mounting
Applications
- Signal isolation in electronic circuits
- Noise reduction in data transmission systems
- Interface between microprocessors and peripheral devices
Procurement Notes
Verify the specific suffix (e.g., -A) against official datasheets to confirm exact specifications and availability status. Check manufacturer lifecycle notices as some variants may be discontinued or obsolete. Ensure compatibility with existing PCB footprints and reflow soldering profiles specified in the official documentation before procurement.
Selection Notes
Select this component when four-channel isolation is required within a compact footprint. Verify that the 2500Vrms isolation rating meets system safety requirements. Confirm that the NPN phototransistor output type aligns with the receiving circuit design. Ensure the 16-pin SSOP package dimensions fit the designated board space constraints.
Part Context
The PS2801-4 belongs to the PS2801 family of optically coupled isolators produced by CEL and NEC. This series is characterized by the use of GaAs LEDs and silicon phototransistors in SSOP packages. The -4 variant specifically denotes the four-channel configuration, distinguishing it from single-channel counterparts like the PS2801-1.
FAQ
What is the isolation voltage rating of the PS2801-4?
The PS2801-4 has a high isolation voltage rating of 2500Vrms.
What type of output transistor does the PS2801-4 use?
It uses an NPN silicon phototransistor as the output element.
