MQ303B is a tin dioxide semiconductor type alcoholgas sensor, With high sensitivity and rapid response to alcohol, suitable for portable alcohol detectors and automotive fire systems and so on.

Sensor characteristics

High sensitivity

Fast response recovery

Long life, low power consumption

Small size

main application

Thegas sensorCan be widely used in portable alcohol detectors and car ignition system

Technical indicators

Note: Product parameters are subject to change without notice

Fast Electronics Co., Ltd is a factory-directly-sale office for sensor electronic components since 2007,we specialized in all kinds of sensors components like gas sensors ,human body infrared sensors, soil moisture sensor, current transformer ,residual current detection, electrical fire monitoring ,and also high precision pressure sensor, tension sensor and load cells ,photoelectric switch ,laser diffuse switch , reflection switch and inductive proximity switches sensor  and displacement sensor ,non-contact level sensor switch / liquid level sensor.

With years’ development, we have had developed a complete electronic components supply and distribute system.
Through our importing and exporting of components all around the world, Fast Electronics Co., Ltd can quickly feedback and satisfy customers’ need.

Besides, we have had gained a great reputation in domestic and international market for our experience and market insight, as well as our up-front, proactive, and responsive approach to service, adequate inventory and unwavering commitment to quality.

.We are  a factory directly sale department with with a large inventory ,we have an absolute advantage in price, .welcome to inquiry us !