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Product Detailed Parameters
- Description：OPTOISO 5.3KV 1CH TRANS W/BASE
- Series：4N26
- Mfr：Isocom Components 2004 LTD
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Channels：1
- Voltage - Isolation：5300Vrms
- Current Transfer Ratio (Min)：20% @ 10mA
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：-
- Rise / Fall Time (Typ)：2µs, 2µs
- Input Type：DC
- Output Type：Transistor with Base
- Voltage - Output (Max)：30V
- Current - Output / Channel：50mA
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：60 mA
- Vce Saturation (Max)：500mV
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Surface Mount
- Package / Case：6-SMD, Gull Wing
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The 4N26XSMT&R is a surface-mount optocoupler from Isocom Components, featuring a single channel with a phototransistor output. It utilizes a 6-pin DIP package for SMD installation. Key electrical parameters include a maximum forward voltage of 1.65V and a maximum input current of 60 mA DC. The device offers an isolation voltage of 5.3 kVrms. Current transfer ratio specifications range from a minimum of 20% to a maximum of 80%. Typical switching times are documented as 2µs for rise time and 11µs for fall time.
Feature Summary
- Provides galvanic isolation between input and output circuits using a phototransistor configuration.
- Designed for surface-mount technology (SMT) assembly within a compact 6-pin form factor.
- Supports direct current input signals for digital signal transmission applications.
Applications
- Digital signal isolation in microcontroller interfaces
- Signal coupling in industrial control systems
- Power supply feedback loops
Procurement Notes
Verify the specific suffix 'R' indicates reel packaging when sourcing. Confirm the manufacturer designation matches Isocom Components 2004 LTD rather than generic equivalents. Ensure the datasheet specifies the exact CTR binning required for your circuit design, as values vary. Check for RoHS compliance status if environmental regulations apply to your manufacturing process.
Selection Notes
Select this component when a standard transistor-output optocoupler is required in a surface-mount package. Compare the 20-80% CTR range against load requirements to ensure sufficient gain. Verify that the 5.3 kVrms isolation rating meets safety standards for your application voltage. Consider the 60 mA max input current limit when designing the driving circuit resistor values.
Part Context
This part belongs to the 4N26 series family of optocouplers, which are widely used for general-purpose isolation. The SMT variant allows for automated assembly processes. It serves as a functional equivalent to other industry-standard 6-pin transistor output optocouplers, providing reliable signal transfer across isolated boundaries.
Replacement Considerations
Direct pin-compatible replacements may include other 4N26-series variants from different manufacturers. Verify that substitute parts meet the same 5.3 kVrms isolation and 60 mA input current specifications. Check if alternative suppliers offer the same SMT package and lead configuration.
