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Product Detailed Parameters
- Description：OPTOISO 5.3KV DARL W/BASE 6-DIP
- Series：4N31
- Mfr：Isocom Components 2004 LTD
- Package：Tube
- Number of Channels：1
- Voltage - Isolation：5300Vrms
- Current Transfer Ratio (Min)：-
- Current Transfer Ratio (Max)：-
- Turn On / Turn Off Time (Typ)：5µs, 40µs (Max)
- Rise / Fall Time (Typ)：-
- Input Type：DC
- Output Type：Darlington with Base
- Voltage - Output (Max)：30V
- Current - Output / Channel：5mA
- Voltage - Forward (Vf) (Typ)：1.2V
- Current - DC Forward (If) (Max)：80 mA
- Vce Saturation (Max)：1.2V
- Operating Temperature：-55°C ~ 100°C
- Mounting Type：Through Hole
- Package / Case：6-DIP (0.400", 10.16mm)
- Supplier Device Package：6-DIP
- Grade：-
- Qualification：-
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Overview
The 4N31G is a single-channel optoisolator manufactured by Isocom Components 2004 LTD. It features an infrared emitting diode coupled to a Darlington transistor output with a base terminal for improved performance. The device provides high isolation voltage of 5300 Vrms and operates with a DC forward current up to 80 mA. It delivers an output current per channel of 5 mA and utilizes a 6-pin DIP through-hole package.
Feature Summary
- Darlington output configuration with base pin for enhanced sensitivity
- High dielectric isolation capability between input and output circuits
- Single-channel design for compact signal transmission applications
Applications
- General purpose digital signal isolation
- Microprocessor system interface circuits
- Solid-state relay driver stages
Procurement Notes
Verify the specific manufacturer designation, as Isocom Components may source this part from other manufacturers. Confirm the exact isolation voltage rating and package type against the official datasheet before procurement. Ensure the component matches the required channel count and output configuration for your circuit design.
Selection Notes
Select this component when high isolation voltage and Darlington gain are required in a standard DIP package. Consider the base pin availability for speed control or latch-up prevention. Verify compatibility with the driving logic levels and load requirements of the target application circuit.
Part Context
The 4N31G belongs to the 4N31 series of optocouplers. This series typically includes variants with different output configurations such as phototransistor or Darlington outputs. The 4N31G specifically denotes the Darlington version with a base connection, offering higher current transfer ratio compared to standard phototransistor versions.
Replacement Considerations
Check for direct pin-compatible substitutes like the 4N31 or 4N31M if available from other manufacturers. Ensure replacement parts maintain the same 5300 Vrms isolation rating and Darlington output characteristics. Verify that any alternative maintains the 6-DIP package form factor.
