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Product Detailed Parameters
- Description：OPTOISO 3.75KV 1CH TRANS 4-SOP
- Series：-
- Mfr：Isocom Components 2004 LTD
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Channels：1
- Voltage - Isolation：3750Vrms
- Current Transfer Ratio (Min)：100% @ 5mA
- Current Transfer Ratio (Max)：300% @ 5mA
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：3µs, 4µs
- Input Type：AC, 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)：400mV
- Operating Temperature：-55°C ~ 110°C
- Mounting Type：Surface Mount
- Package / Case：4-SOIC (0.173", 4.40mm Width)
- Supplier Device Package：4-SOP
- Grade：-
- Qualification：-
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Overview
The IS280GR is a single-channel optocoupler manufactured by Isocom Components 2004 LTD. It features a transistor output configuration with a high isolation voltage of 3750Vrms. The device operates within a forward current range up to 50 mA and provides a minimum current transfer ratio of 100%. Packaged in a compact 4-pin SOP format, it supports surface-mount installation for efficient circuit board integration.
Feature Summary
- Single-channel optical isolation with transistor output
- High dielectric strength for signal integrity
- Compact surface-mount package design
Applications
- General-purpose digital signal isolation
- Microcontroller interface circuits
- Low-voltage logic level translation
Procurement Notes
Verify the specific suffix GR against official datasheets to confirm tape and reel packaging specifications. Ensure compatibility with standard SOP-4 footprint dimensions during PCB layout. Confirm that the manufacturer designation matches Isocom Components 2004 LTD to avoid counterfeit components. Cross-reference pinouts with original equipment manufacturer documentation before assembly.
Selection Notes
Select this component when single-channel isolation is required with moderate speed capabilities. The 3750Vrms rating suits applications needing robust noise immunity between disparate voltage domains. Consider the SOP-4 package size for space-constrained designs. Verify that the 50mA input current capability aligns with the driving source limitations in the target circuit architecture.
Part Context
Isocom Components specializes in infrared optoelectronic devices, offering replacements for discontinued industry-standard parts. The IS280 series represents their line of general-purpose optocouplers designed for reliable performance in commercial and industrial environments. This specific model continues the tradition of providing cost-effective solutions with flexible manufacturing options.
Replacement Considerations
Consult official substitution guides for equivalent single-channel transistor-output optocouplers with matching 3750Vrms isolation ratings. Verify pinout compatibility and package dimensions before swapping. Ensure the replacement maintains similar current transfer ratio characteristics to preserve circuit timing and logic levels.
