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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)：130% @ 5mA
- Current Transfer Ratio (Max)：260% @ 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-E3-W-A is a single-channel transistor output optocoupler manufactured by CEL. It features an NPN phototransistor output and provides 5000 Vrms isolation voltage. The device operates within a temperature range of -55°C to +100°C. Key electrical parameters include a maximum collector-emitter voltage of 80V, a maximum collector current of 50mA, and a power dissipation of 150mW. The forward voltage is typically 1.4V with a maximum forward current of 30mA. The component is housed in a 4-SMD surface-mount package.
Feature Summary
- Provides high-voltage electrical isolation between input and output circuits
- Utilizes an NPN phototransistor for digital signal transmission
- Compliant with RoHS directives for restricted hazardous substances
Applications
- Industrial control systems requiring signal isolation
- Power supply feedback loops
- Microcontroller interface circuits
Procurement Notes
Verify the specific suffix E3 confirms RoHS compliance status as per the manufacturer's datasheet. Confirm the 4-SMD package dimensions match the target PCB footprint. Ensure the operating temperature range meets the environmental requirements of the final assembly. Cross-reference the part number with official CEL documentation to confirm availability and lifecycle status before procurement.
Selection Notes
Select this component when a single-channel transistor output isolator is required with 5000 Vrms insulation capability. The 4-SMD package is suitable for automated surface-mount assembly processes. Consider the 80V collector-emitter voltage rating for low-voltage logic interfacing applications. Verify that the 50mA collector current capacity is sufficient for the load connected to the output side.
Part Context
This part belongs to the PS2501 series of optocouplers from CEL. The series includes various packages such as DIP and SMD options. The AL variant typically denotes specific CTR (Current Transfer Ratio) characteristics compared to standard versions. The E3 suffix indicates environmental compliance features defined by the manufacturer.
Replacement Considerations
Check for direct substitutes like PS2501A-1-E3-W-A or PS2501L-1-E3-W-A if CTR specifications differ. Verify pinout compatibility with existing designs. Ensure replacement parts maintain the same 5000 Vrms isolation rating and 4-SMD package form factor.
