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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)：200% @ 5mA
- Current Transfer Ratio (Max)：400% @ 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 (0.400", 10.16mm)
- Supplier Device Package：4-DIP
- Grade：-
- Qualification：-
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Overview
The PS2501-1LG is a single-channel optocoupler from the PS2501 series, manufactured by Isocom Components. It features a GaAs infrared LED coupled to a phototransistor output in a 4-pin DIP package. Key electrical parameters include a maximum forward voltage of 1.2V DC, a maximum input current of 50 mA, and an isolation voltage of 5300 Vrms. The device supports a wide operating temperature range from -30°C to 100°C and carries UL certification.
Feature Summary
- Provides high-density mounting with optical isolation between input and output circuits
- Utilizes a GaAs light emitting diode for efficient signal transmission
- Features transistor output configuration for digital switching applications
Applications
- Industrial control systems requiring circuit isolation
- Power supply protection circuits
- Smart metering and utility instrumentation
Procurement Notes
Verify that the specific suffix 'LG' corresponds to the required packaging or material specification as defined by the manufacturer's official documentation. Confirm pinout compatibility with existing PCB footprints before integration. Ensure environmental ratings meet the target application's thermal requirements.
Selection Notes
Select this component when a single-channel isolation solution with 5300 Vrms dielectric strength is required. The 4-pin DIP format suits through-hole assembly processes. Consider the 50 mA input current limit and phototransistor output characteristics for logic interface design.
Part Context
This part belongs to the PS2501 family of high-density phototransistor optocouplers. The series includes variants such as PS2501-1X and PS2501-2X, differing in channel count and package type. Isocom positions these components as industry-standard replacements for legacy isolators.
Replacement Considerations
PS2501-1 and PS2501-1X are functionally similar single-channel variants within the same series. Verify pin compatibility and specific electrical tolerances against original equipment manufacturer specifications before substitution.
