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Product Detailed Parameters
- Description：OPTOISOLTR 5.3KV 1CH DARL 4-SMD
- Series：PS2502-1
- Mfr：Isocom Components 2004 LTD
- Package：Tape & Reel (TR)
- 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 PS2502-1SMT&R is a surface-mount optically coupled isolator manufactured by Isocom Components. It integrates an infrared LED with a Darlington output transistor in a compact SMD package. The device provides high isolation voltage and features a minimum current transfer ratio of 80%. It supports a maximum forward input current of 50 mA and offers a typical rise time of 4 µs and fall time of 3 µs. The component is designed for reliable signal transmission between systems with different potentials.
Feature Summary
- Integrates an infrared LED with a high-gain Darlington phototransistor for enhanced signal amplification
- Provides high electrical isolation to protect sensitive circuits from voltage spikes
- Optimized for surface-mount assembly to support automated manufacturing processes
Applications
- Computer terminals and peripheral interfaces
- Industrial system controllers and automation logic
- Measuring instruments requiring galvanic isolation
- Signal transmission between systems of different potentials
Procurement Notes
Verify the specific suffix 'SMT&R' confirms the tape-and-reel packaging format required for your automated pick-and-place equipment. Ensure the ordering part number matches the exact lead spread and pin configuration specified in the official datasheet to prevent PCB footprint mismatches during procurement.
Selection Notes
Select this component when high gain is necessary to drive loads directly without additional amplification stages. The Darlington output structure offers superior current transfer compared to standard phototransistors, making it suitable for applications requiring robust signal integrity across wide temperature ranges and varying input conditions.
Part Context
This device belongs to the PS2502 series of high-density mounting phototransistor optocouplers. It represents a surface-mount variant of through-hole equivalents, maintaining identical electrical characteristics while reducing board space requirements. The series is engineered for industrial-grade reliability and compliance with global safety standards.
Replacement Considerations
Cross-reference with PS2502-1SM or PS2502-1N for equivalent electrical performance. Verify that substitute parts match the 8-pin DIP/SMD package dimensions and pinout assignments to ensure mechanical compatibility without redesigning the circuit layout.
