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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)：50% @ 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-E3-A is a photovoltaic output optoisolator manufactured by CEL. It features a single channel with an isolation voltage of 5000Vrms. The device integrates a GaAs light emitting diode and an NPN silicon phototransistor. It is available in a surface mount package configuration.
Feature Summary
- High isolation voltage rating for safety standards compliance
- Integration of GaAs LED and NPN silicon phototransistor
- Surface mount lead bending type construction
Applications
- Power supply circuits
- Telephone and FAX equipment
- Programmable logic controllers
Procurement Notes
Verify the specific suffix E3 against official manufacturer documentation to confirm lead-free status and RoHS compliance. Confirm that the part number corresponds to the exact surface mount variant intended for your assembly process. Cross-reference with the latest datasheet from CEL or authorized distributors to ensure current product availability and specification accuracy before procurement.
Selection Notes
Select this component when high isolation voltage is required in a compact surface mount form factor. Ensure the circuit design accommodates the NPN phototransistor output characteristics. Verify that the GaAs LED input requirements match the driving source capabilities. Consider the thermal and mechanical constraints of the surface mount package during PCB layout.
Part Context
This part belongs to the NEC Compound Semiconductor Devices PS2501 series, now produced under the CEL brand. The series includes both DIP and surface mount variants. The AL designation typically indicates the surface mount gull-wing lead type. This family is designed for general-purpose isolation applications requiring reliable signal transmission across isolated boundaries.
Replacement Considerations
Compatible substitutes include the PS2501A-1 for through-hole applications and other PS2501AL variants with different suffixes for tape/reel packaging. Verify pinout compatibility and electrical parameters such as CTR and isolation voltage when substituting.
