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Product Detailed Parameters
- Description：OPTOISOLTR 2.5KV 1CH DARL 4-SOP
- Series：NEPOC
- Mfr：CEL
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：2500Vrms
- Current Transfer Ratio (Min)：1500% @ 1mA
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：100µs, 100µs
- Input Type：DC
- Output Type：Darlington
- Voltage - Output (Max)：300V
- Current - Output / Channel：150mA
- Voltage - Forward (Vf) (Typ)：1.15V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：1V
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SOP
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Overview
The PS2732-1-F3-A is a high collector-to-emitter voltage SOP multi photocoupler manufactured by CEL. It contains a GaAs light emitting diode and an NPN silicon Darlington-connected phototransistor. The device provides high isolation voltage of 2500 Vrms. Key electrical parameters include a maximum output voltage of 300V, output current per channel of 150mA, and typical forward voltage of 1.15V. It features DC input type and Darlington output configuration in a 4-SMD package.
Feature Summary
- Contains a GaAs light emitting diode coupled with an NPN silicon Darlington-connected phototransistor for optical isolation.
- Provides high isolation voltage capability of 2500 Vrms between input and output circuits.
- Features high collector to emitter voltage rating suitable for demanding switching applications.
Applications
- Industrial control systems requiring galvanic isolation
- Power supply feedback loops
- Signal isolation in microprocessor interfaces
Procurement Notes
Verify the exact part number suffix against official datasheets as variations exist within the family. Confirm availability status as some listings indicate obsolete or regional shipping restrictions. Ensure the selected variant matches the required package type and electrical specifications for the specific application design.
Selection Notes
Select this component when high collector-to-emitter voltage and robust isolation are required. The Darlington output structure offers high current transfer ratio but may have slower switching speeds compared to single transistor outputs. Consider the 4-SMD package constraints for PCB layout and thermal management requirements during the design phase.
Part Context
This part belongs to the PS2732 series of optically coupled isolators from CEL. The series includes variants like PS2732-1, -2, and -4 with different pin configurations. The PS2732-1-F3-A specifically denotes the Darlington output version with standard SOP packaging, designed for general-purpose isolation tasks.
Replacement Considerations
PS2732-1-F3-A serves as a direct replacement for PS2732-1-F3 where available. Cross-reference with PS2732-1-F4-A if different pinout compatibility is needed. Verify functional equivalence with other Darlington output optocouplers from different manufacturers ensuring matching voltage and current ratings.
