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Product Detailed Parameters
- Description：OPTOISO 2.5KV TRANS 4-MINI-FLAT
- Series：-
- Mfr：CEL
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：2500Vrms
- Current Transfer Ratio (Min)：150% @ 1mA
- Current Transfer Ratio (Max)：300% @ 1mA
- Turn On / Turn Off Time (Typ)：40µs, 120µs
- Rise / Fall Time (Typ)：5µs, 10µs
- 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, Flat Leads
- Supplier Device Package：4-Mini-Flat
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Overview
The PS2911-1-L-A is a single-channel transistor output optocoupler manufactured by CEL. It features an NPN phototransistor output and provides an isolation voltage of 2500 Vrms. The device operates within a temperature range of -55°C to +100°C. It is housed in a bulk package configuration. The component has a current transfer ratio minimum of 150% at 1mA input current.
Feature Summary
- Provides electrical isolation between input and output circuits using optical transmission.
- Utilizes an NPN phototransistor for signal output switching capabilities.
- Designed for high reliability with extended operating temperature ranges.
Applications
- Industrial control systems requiring galvanic isolation
- Power supply feedback loops
- Signal interface circuits between microcontrollers and high-voltage loads
Procurement Notes
Verify the obsolete status of this part number before initiating any procurement activities. Confirm availability through authorized distributors or secondary market suppliers, as standard manufacturing channels may no longer support this specific model. Ensure that any sourced units meet original specification requirements for critical applications.
Selection Notes
Consider the 2500 Vrms isolation rating when designing circuits requiring safety separation. Evaluate the NPN output type compatibility with downstream logic levels. Assess the thermal performance within the specified -55°C to +100°C range for the intended environment. Verify package constraints against PCB layout requirements.
Part Context
This component belongs to the family of transistor output optocouplers from CEL. It serves as a discrete isolation device for digital signal transmission. Similar models in the lineup may offer different isolation voltages or output configurations, such as photovoltaic outputs or higher channel counts, depending on specific application needs.
Replacement Considerations
Direct substitutes include PS2911-1-AX and PS2911-1-F3-AX. Verify pinout compatibility and electrical parameters before substitution. Ensure the replacement part meets the same isolation voltage and temperature specifications required by the design.
FAQ
What is the maximum isolation voltage for the PS2911-1-L-A?
The device supports an isolation voltage of 2500 Vrms.
What type of output does this optocoupler use?
It utilizes an NPN phototransistor output configuration.
