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Product Detailed Parameters
- Description：OPTOISO 3.75KV 1CH TRANS 4-SOP
- Series：NEPOC
- Mfr：CEL
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：50% @ 5mA
- Current Transfer Ratio (Max)：400% @ 5mA
- 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)：1.1V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：300mV
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：4-SMD, Gull Wing
- Supplier Device Package：4-SOP (2.54mm)
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Overview
The PS2761-1-F3-A is a single-channel optically coupled isolator manufactured by CEL. It integrates a Gallium Arsenide (GaAs) infrared emitting diode with an NPN silicon phototransistor in a compact surface-mount package. The device provides high electrical isolation with a rated isolation voltage of 3750 Vrms. Key electrical parameters include a maximum forward current of 50 mA and a forward voltage of 1.4 V. It features a low collector-emitter saturation voltage of 300 mV and operates within a temperature range of -55°C to 100°C.
Feature Summary
- High isolation voltage capability for safe signal transmission between isolated circuits
- Compact surface-mount design suitable for space-constrained applications
- Wide operating temperature range ensuring reliability in harsh environments
Applications
- Industrial control systems requiring galvanic isolation
- Power supply feedback loops
- Signal isolation in microprocessor interfaces
Procurement Notes
Verify the specific suffix 'F3' against official datasheets to confirm pinout and packaging compatibility, as variations exist within the PS2761 series. Confirm availability status as this part may be obsolete or superseded by newer revisions from Renesas Electronics, which acquired CEL. Ensure the requested component matches the exact manufacturer specifications for isolation voltage and output type before procurement.
Selection Notes
Select this component when a single-channel transistor output optocoupler with high isolation voltage is required. Consider the NPN phototransistor output configuration for standard switching applications. Verify that the 3750 Vrms isolation rating meets system safety requirements. Check if the surface-mount package aligns with PCB layout constraints compared to through-hole alternatives.
Part Context
The PS2761-1 belongs to the CEL/Renesas family of high-isolation optocouplers. This series typically includes variants with different packages and output types. The PS2761-1 specifically denotes a single-channel device with a phototransistor output. Related parts in the lineup may offer different isolation levels or package styles, such as the PS2801 or PS2732 series.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided source material. Consult official Renesas Electronics documentation for cross-reference information or updated product line replacements.
