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Product Detailed Parameters
- Description：OPTOISOLATOR 5KV 1CH TRANS 4-SMD
- Series：NEPOC
- Mfr：CEL
- Package：Tape & Reel (TR)
- Number of Channels：1
- Voltage - Isolation：5000Vrms
- Current Transfer Ratio (Min)：200% @ 5mA
- Current Transfer Ratio (Max)：400% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：3µs, 5µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：70V
- Current - Output / Channel：30mA
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：30 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-SMD
- Grade：-
- Qualification：-
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Overview
The PS2501AL-1-F3-L-A is a single-channel transistor output optocoupler manufactured by CEL. It integrates a GaAs infrared LED and an NPN silicon phototransistor within a surface-mount package to provide electrical isolation between input and output circuits. The device features a high insulation voltage of 5000Vrms, ensuring robust safety standards for signal transmission. Key electrical parameters include a maximum collector-emitter voltage of 70V, a DC forward current limit of 30mA, and a typical forward voltage of 1.4V. The unit operates within a temperature range of -55°C to +100°C and dissipates up to 150mW of power.
Feature Summary
- Integrates a GaAs light emitting diode with an NPN silicon phototransistor for efficient optical coupling
- Provides high-voltage electrical isolation between input and output sides via a fixed physical gap
- Designed for digital logic transmission and impedance transformation in isolated circuits
Applications
- Digital logic signal transmission and level shifting
- Power supply control and switching circuits
- Electrical insulation isolation between distinct circuit sections
- Impedance transformation between system components
Procurement Notes
Verify the specific suffix 'L-A' against official manufacturer documentation to confirm pinout compatibility and packaging specifications. Confirm availability status as distribution channels may list this part as discontinued or limited stock. Ensure the selected variant matches the required operating temperature range and isolation voltage ratings for the target application environment before finalizing procurement.
Selection Notes
Select this component when a single-channel transistor output isolator with 5000Vrms insulation is required. Consider the 30mA forward current limit and 70V collector-emitter voltage constraints during circuit design. Verify that the surface-mount package dimensions fit the PCB layout. Compare the current transfer ratio specifications against the driving capability of the input source to ensure reliable switching performance under all operating conditions.
Part Context
This component belongs to the PS2501A(L)-1 series of optically coupled isolators produced by CEL. The series utilizes GaAs LEDs paired with NPN phototransistors to achieve high-speed signal transfer with electrical isolation. These devices are engineered for applications requiring reliable data transmission across isolated boundaries while maintaining strict safety compliance through high dielectric strength between the input and output terminals.
Replacement Considerations
Publicly confirmed substitute part numbers for this specific model were not identified in the provided documentation. Cross-referencing with similar PS2501 variants requires careful verification of pin configurations and electrical characteristics to ensure functional equivalence.
