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Product Detailed Parameters
- Description：OPTOISO 1.5KV 4CH TRANS 12-SSOP
- Series：NEPOC
- Mfr：CEL
- Package：Tape & Reel (TR)
- Number of Channels：4
- Voltage - Isolation：1500Vrms
- Current Transfer Ratio (Min)：100% @ 1mA
- Current Transfer Ratio (Max)：400% @ 1mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：20µs, 110µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：70V
- Current - Output / Channel：20mA
- Voltage - Forward (Vf) (Typ)：1.1V
- Current - DC Forward (If) (Max)：20 mA
- Vce Saturation (Max)：300mV
- Operating Temperature：-40°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：12-BSOP (0.173", 4.40mm Width)
- Supplier Device Package：12-SSOP
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Overview
The CEL PS2841-4A-F3-A is a four-channel optically coupled isolator featuring GaAs light-emitting diodes and NPN silicon phototransistors. It provides an isolation voltage of 1500Vrms and operates with a DC input type. The output configuration supports a maximum voltage of 70V and a current per channel of 20mA, with a typical forward voltage of 1.1V. Packaged in a 12-pin SSOP format, the device is rated for operation between -40°C and +100°C. This component is currently obsolete and no longer manufactured.
Feature Summary
- Four independent channels for signal isolation
- High isolation voltage rating of 1500Vrms
- UL approved under UL1577 single protection standard
Applications
- Industrial control systems requiring multi-channel isolation
- Measurement and testing equipment
- Communication interfaces needing galvanic separation
Procurement Notes
Verify availability through authorized distributors as this part is officially obsolete. Confirm that alternative sources are legitimate and not counterfeit. Check if the specific suffix matches required specifications. Ensure compliance with RoHS standards if applicable to your system requirements before finalizing any procurement decisions.
Selection Notes
Consider the PS2841-4A-F3-AX as a potential equivalent from Renesas Electronics. Evaluate whether the 12-pin SSOP package meets your board space constraints. Verify that the 20mA output current and 70V collector-emitter voltage are sufficient for your load requirements. Assess thermal management needs given the operating temperature range.
Part Context
This component belongs to the PS2841 family of ultra-small SOP photocouplers. It is designed for applications requiring compact size and high reliability. The device integrates multiple channels into a single package to reduce footprint. It serves as a solution for galvanic isolation in digital signal transmission paths.
Replacement Considerations
The PS2841-4A-F3-AX is a confirmed substitute part number. Verify pin compatibility and electrical parameters before replacement. Ensure the new part meets all safety certifications required by your application.
