6-Pin DIP Optoisolator with NPN Output – NTE3043

NTE3043 Optoisolator Overview

The NTE3043 optoisolator is a highly reliable, 6-pin DIP package device designed for signal isolation in a wide range of industrial and commercial electronic circuits. This optoisolator features a phototransistor output configuration using an NPN transistor, ensuring efficient coupling and excellent noise immunity between input and output. Commonly used in digital logic input isolation, power supply regulator feedback, and interfacing microprocessor systems, the NTE3043 delivers optimal performance for signal transfer and protection.

Technical Specifications

• Package: 6-pin DIP
• Isolation Voltage: Rated for reliable signal isolation between input and output
• Output Type: NPN phototransistor
• Application: High-noise environments, level shifting, logic isolation, feedback controls
• Quantity per Package: 1 Optoisolator
• Part Number: NTE3043

Key Features

• High isolation voltage for robust protection
• Standard 6-pin DIP form factor for easy PCB integration
• NPN phototransistor output for direct digital and analog interfacing
• Excellent reliability for industrial, power, and control applications

Typical Applications

• Switching power supply feedback
• Digital logic circuit input isolation
• Microprocessor system interface
• Signal isolation in high-voltage or noisy environments

Usage Notes

For optimal performance, ensure the input drive current and load conditions adhere to typical optoisolator application guidelines. The standard 6-pin DIP package simplifies mounting and replacement. Use in signal paths requiring electrical isolation and reliable, low-leakage switching.

This part is the equivalent replacement for the following:

029-PN, 1029-PN, 16-3019323-1 (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), 287-1(MAG) (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), 323-1(SYL) (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), 483513047903 (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), 5302870001 (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), 530287-1 (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), ECG3043, FD-1029-PN, LTK703V (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), LTK703VA (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), LTK703VB (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), LTK703VC, MCT273 (May not be an exact mechanical or electrical equivalent. However, it will provide an acceptable substitute in the majority of typical applications.), MCT275, NTE3043, SFH601-1, SFH601-2, SFH601-3, SK2043, TIL-116, TIL116, TLP735