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Product Detailed Parameters
- Description：OPTOISO 2.5KV 1CH TRANS 4-VSSOP
- Series：NEPOC
- Mfr：CEL
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：2500Vrms
- Current Transfer Ratio (Min)：80% @ 5mA
- Current Transfer Ratio (Max)：600% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：3µs, 5µs
- Input Type：AC, 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：4-SOIC (0.173", 4.40mm Width)
- Supplier Device Package：4-VSSOP
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Overview
The PS2805-1-F3 is a single-channel transistor output optocoupler manufactured by California Eastern Laboratories. It features an NPN phototransistor output and supports AC/DC input signals. The device provides 2500 Vrms isolation voltage and operates within a temperature range of -55°C to +100°C. Key electrical parameters include a maximum collector current of 50 mA, a collector-emitter voltage of 80 V, and a forward current of up to 50 mA. The current transfer ratio ranges from 80% to 600% at 5 mA input.
Feature Summary
- Supports both AC and DC input signal types for versatile application compatibility.
- Provides high isolation voltage capability for safe signal transmission across potential barriers.
- Utilizes surface-mount SSOP packaging for compact circuit board integration.
Applications
- AC line monitoring circuits
- Microprocessor interface systems
- Solid-state relay driver applications
Procurement Notes
Verify component authenticity through authorized channels due to discontinuation risks in the market. Confirm RoHS compliance status as historical records indicate non-compliance for this specific variant. Check datasheet revisions for updated thermal and electrical specifications before finalizing design implementations. Ensure supply chain stability given potential availability constraints for legacy components.
Selection Notes
Choose this component when AC input detection is required alongside standard DC logic interfacing. The wide current transfer ratio accommodates varying LED drive conditions. Verify that the 50 mA collector current rating meets load requirements. Consider the operating temperature range for environmental suitability. Compare against newer series if long-term availability is a critical project constraint.
Part Context
This part belongs to the PS2805 family of high-isolation voltage photocouplers designed for AC input response. It represents a specific variant with F3 suffix indicating package and tape/reel configuration. The family targets industrial control applications requiring galvanic isolation between low-voltage control circuits and higher-voltage power stages.
Replacement Considerations
PS2805-1-L-A is a related Renesas variant with similar channel count but different packaging and lifecycle status. PS2805C-1-A offers comparable isolation but differs in CTR specifications and package type. Verify pinout compatibility and electrical parameter overlaps before substituting any alternative optocoupler models.
