Manufacturer Part Number
4N33S
Manufacturer
onsemi
Introduction
The 4N33S is a high-performance optoisolator transistor with a photovoltaic output. It provides reliable electrical isolation between the input and output circuits, making it suitable for a wide range of applications that require galvanic isolation, such as industrial control systems, power supplies, and telecommunications equipment.
Product Features and Performance
1-channel optoisolator with a photovoltaic output
High isolation voltage of 5300Vrms
High current transfer ratio of 500% (typical) at 10mA
Fast turn-on and turn-off times of 5μs (typical) and 100μs (max)
Darlington transistor output with a base connection
Maximum output voltage of 30V and maximum output current of 150mA per channel
Low forward voltage drop of 1.2V (typical)
Wide operating temperature range of -55°C to 100°C
Surface mount (SMD) package with gull-wing leads
Product Advantages
Reliable electrical isolation between input and output
High-speed switching performance
Compact surface-mount package
Wide operating temperature range
Suitable for a variety of industrial and electronic applications
Key Reasons to Choose This Product
Provides robust galvanic isolation to protect sensitive circuitry
Offers high current transfer ratio for efficient signal transmission
Delivers fast switching speed for time-critical applications
Compact and space-saving design for PCB integration
Operates reliably across a wide temperature range
Quality and Safety Features
Manufactured to high-quality standards by onsemi
Meets safety requirements for industrial and electronic applications
Robust construction and design for reliable long-term performance
Compatibility
The 4N33S is a direct replacement for the 4N33 optoisolator transistor and can be used in similar applications.
Application Areas
Industrial control systems
Power supplies
Telecommunications equipment
Instrumentation and measurement devices
Automotive electronics
Medical equipment
General electronic circuits requiring galvanic isolation
Product Lifecycle
The 4N33S is an obsolete product and has been replaced by newer optoisolator models from onsemi. Customers are advised to contact our website's sales team for information on available alternative products that may suit their specific requirements.