MQ303A - Alcohol Sensor

Download the MQ303A datasheet PDF. This datasheet also covers the MQ303A-Hao variant, as both devices belong to the same alcohol sensor family and are provided as variant models within a single manufacturer datasheet.

📥 Download Datasheet

MQ303A alcohol sensor by Hao-Electronic - Datasheet Preview — Note: The manufacturer provides a single datasheet file (MQ303A-Hao-Electronic.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	MQ303A
Manufacturer	Hao-Electronic
File Size	265.10 KB
Description	Alcohol Sensor
Datasheet	MQ303A Datasheet

📁 Similar Datasheet

Part Number	Description	Manufacturer
MQ303A	Alcohol Sensor	ETC
MQ303B	Alcohol Sensor	Winsen Electronics
MQ307A	CO GAS SENSOR	HANWEI
MQ307A	CO gas sensor	Chinaeds
MQ3251	DUAL AMPLIFIER TRANSISTOR	Motorola

Other Datasheets by Hao-Electronic

Part Number	Description

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text

ÓÉ Foxit PDF Editor ±à¼°æÈ¨ËùÓÐ (c) by Foxit Software Company, 2004 ½öÓÃÓÚÆÀ¹À¡£ 0755-88360817 M Q 3 0 3 A MQ303A ，，。 www.hsdz369.cn ，， 100（。 1） 2。。，、。， 5~102.2±0.2V，。 ÓÉ Foxit PDF Editor ±à¼°æÈ¨ËùÓÐ (c) by Foxit Software Company, 2004 ½öÓÃÓÚÆÀ¹À¡£ 0755-88360817 3MQ303A。。，。 www.hsdz369.cn A． V H V C R L R H IH PH PS 0.9V ± 0.1V ≤ 6V 4.5Ω ± 0.5 Ω 120±20mA ≤ 140 mW ≤10 mW AC or DC DC P S < 10 mW B. Tao Tas C R(OH2) -20 o C —+50 o C -20 o C —+70 o ≤21%9±51%%R(H ) 16% 20ppm-1000ppm C. MQ303A Rs (4kΩ to 400 kΩ) α (0.50 ± 0.15) ： : 20 o C ± 2 o C : 65% ± 5% Rs (300 ppm) / Rs (100 ppm) V C : 3.0 V ± 0.1 V DC V H : 0.9 V ±0.