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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)：80% @ 5mA
- Current Transfer Ratio (Max)：160% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：3µs, 5µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：80V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.17V
- Current - DC Forward (If) (Max)：80 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 PS2501L-1-E4-H-A is a single-channel optocoupler featuring an NPN silicon phototransistor output and a GaAs infrared LED input. It provides 5000Vrms isolation voltage with a maximum collector-emitter voltage of 80V and a collector current of 50mA. The device operates within a temperature range of -55°C to 100°C. Key electrical parameters include a minimum current transfer ratio of 80% at 5mA input current and a maximum saturation voltage of 300mV. It utilizes a 4-SMD surface-mount package.
Feature Summary
- Integrates a GaAs light emitting diode with an NPN silicon phototransistor for signal transmission
- Provides high-voltage electrical isolation between input and output circuits
- Designed for surface-mount assembly using a compact SMD footprint
Applications
- General-purpose signal isolation in industrial control systems
- Interface circuits requiring galvanic separation between low-voltage logic and higher-voltage loads
- Power supply feedback loops for noise immunity
Procurement Notes
Verify the specific suffix E4 against manufacturer documentation to confirm lead-free compliance status, as suffixes define material composition and packaging variations. Confirm the exact pinout configuration for the 4-SMD variant prior to PCB layout finalization. Ensure the selected component matches the required isolation voltage ratings for the target application environment.
Selection Notes
Select this component when a single-channel transistor output is required for surface-mount applications. Compare the 80% minimum CTR at 5mA against circuit drive requirements. Verify that the 5000Vrms isolation rating meets safety standards. Consider the PS2501-1-W-A if through-hole mounting is preferred instead of surface-mount technology.
Part Context
This part belongs to the NEPOC series manufactured by CEL (California Eastern Laboratories), now part of Renesas. The PS2501L family includes both DIP and SMD variants. The L designation indicates a lead-bending or gull-wing type for surface mount, distinguishing it from the standard DIP versions like the PS2501-1.
Replacement Considerations
The PS2501-1-W-A serves as a through-hole alternative within the same product family. Cross-referencing with other single-channel transistor output optocouplers requires verifying matching isolation voltages and current transfer ratios.
