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Product Detailed Parameters
- Description：OPTOISOLTR 5.3KV 1CH DARL 4-SMD
- Series：PS2502-1
- Mfr：Isocom Components 2004 LTD
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5300Vrms
- Current Transfer Ratio (Min)：200% @ 1mA
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：60µs, 53µs
- Input Type：DC
- Output Type：Darlington
- Voltage - Output (Max)：40V
- Current - Output / Channel：-
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：1V
- Operating Temperature：-30°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 PS2502-1SM is a surface-mount optocoupler manufactured by Isocom Components. It features a single channel configuration with a Darlington transistor output, designed for high-gain switching applications. The device provides robust electrical isolation between input and output circuits, rated at 5000Vrms. It utilizes an infrared LED as the light source to drive the photodetector. The component is housed in a compact surface-mount package suitable for automated assembly processes.
Feature Summary
- Single-channel architecture with Darlington transistor output for high current gain
- High voltage isolation capability of 5000Vrms between input and output sections
- Infrared LED emitter paired with photodetecting Darlington array
- Surface-mount packaging format optimized for PCB integration
Applications
- Industrial control systems requiring galvanic isolation
- Power supply unit feedback loops
- Solid-state relay driver circuits
- Microcontroller interface isolation
Procurement Notes
Verify that the specific suffix 'SM' corresponds to the correct surface-mount package variant intended for your design. Confirm that the 5000Vrms isolation rating meets your safety compliance requirements. Ensure the Darlington output characteristics align with your load driving needs. Cross-reference the manufacturer's official datasheet for precise mechanical dimensions and thermal specifications before finalizing procurement.
Selection Notes
Select this component when high current transfer ratio is required from a single input channel. The Darlington output structure offers significant amplification compared to standard transistor outputs. Consider the surface-mount form factor for space-constrained designs. Verify that the operating temperature range and isolation voltage are sufficient for the target application environment.
Part Context
This part belongs to the PS2502 series of optocouplers produced by Isocom Components. The series typically includes variants with different pin counts and package types. The PS2502-1SM specifically denotes the single-channel surface-mount version. Isocom specializes in providing alternatives to discontinued or standard industry optocoupler models.
Replacement Considerations
Publicly confirmed substitute part numbers for PS2502-1SM are not available in the provided documentation. Users should consult official manufacturer lists for direct equivalents or functionally similar components with matching isolation and output specifications.
