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Product Detailed Parameters
- Description：OPTOISOLTR 5.3KV 1CH TRANS 4-DIP
- Series：PS2501-1
- Mfr：Isocom Components 2004 LTD
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5300Vrms
- Current Transfer Ratio (Min)：80% @ 5mA
- Current Transfer Ratio (Max)：600% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：4µs, 3µs
- Input Type：DC
- Output Type：Transistor
- Voltage - Output (Max)：80V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：50 mA
- Vce Saturation (Max)：300mV
- Operating Temperature：-30°C ~ 100°C
- Mounting Type：Through Hole
- Package / Case：4-DIP (0.300", 7.62mm)
- Supplier Device Package：4-DIP
- Grade：-
- Qualification：-
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Overview
The PS2501-1 is a single-channel optically coupled isolator manufactured by Isocom Components. It integrates an infrared light-emitting diode with an NPN silicon phototransistor within a space-efficient dual-in-line plastic package. The device provides high isolation voltage of 5300Vrms and a minimum breakdown voltage (BVCEO) of 80V. Key electrical parameters include a maximum forward voltage of 1.4V, a typical rise time of 4μs, and a typical fall time of 3μs. The unit operates within a temperature range of -30°C to 100°C and features a minimum current transfer ratio of 80%.
Feature Summary
- Integrates an infrared LED with an NPN silicon phototransistor for signal isolation
- Provides high isolation voltage capability up to 5300Vrms
- Features high current transfer ratio for efficient signal transmission
- Available in standard dual-in-line plastic packages for compact mounting
Applications
- Computer terminals
- Industrial systems controllers
- Measuring instruments
- Signal transmission between systems of different potentials and impedances
Procurement Notes
Verify the specific suffix requirements against official documentation before ordering. Confirm that the selected variant matches the required lead spread or packaging format. Ensure compliance with relevant safety certifications such as UL for the intended application environment. Cross-reference pin configurations to prevent installation errors during assembly.
Selection Notes
Select this component when high isolation voltage and reliable digital signal transmission are required between circuits with different ground potentials. Consider the operating temperature range and current transfer ratio specifications to ensure compatibility with the target logic levels. Evaluate package dimensions to confirm fit within the designated PCB layout constraints.
Part Context
The PS2501-1 belongs to the PS2501 series of high-density mounting phototransistor optically coupled isolators. This series is designed to replace legacy components from manufacturers such as NEC and California Eastern Labs. The product line emphasizes space efficiency and robust electrical performance for industrial and commercial applications.
Replacement Considerations
Public confirmed substitute part numbers include RV1S2281A and PS2561DL-1. Verify package compatibility and electrical parameter alignment before substitution.
