[Update 21 May 2020] We've resumed Online Orders through our website & bulk orders through Email/Phone. Store walk in Orders are temporarily disabled till further notice. Thanks.
Discontinued MQ-303A Alcohol Sensor
Product Images shown are for illustrative purposes only and may differ from the actual Product. Due to differences in PCB manufacturers, colours, pin mappings, markings & packaging of products/PCBs may also differ from those shown above.
MQ303A is a semiconductor sensor for Alcohol detection. It has very good sensitivity and fast response to alcohol, suitable for portable alcohol detector.


  • Heater voltage: 5V
  • power: <150mW
  • High sensivity, fast responde


  • Diameter: 9.4mm
  • Height: 8mm (pin excluded)

Write a review

Note: HTML is not translated!
    Bad           Good

MQ-303A Alcohol Sensor

Free Shipping on Order Sub-Total over Rs. 1999.
If your required quantity is more than listed below, please ping us for lead time enquiry & to pre-order.
GST Invoice for Input Tax Credit.
  • Views: 6412
  • Product Code: 303A
  • SKU: PL-4-660
  • Availability: Discontinued
  • Rs. 531.00
  • Exclusive of GST: Rs. 450.00

For bulk (& discounted) Corporate/B2B/Academic orders, please contact us for Estimate.

Discuss about this Product
Recent Customer Reviews