TGS2603 The FIGARO TGS2603 is a MOS-type gas sensor designed for detecting odorous air contaminants. It offers high sensitivity to amine-series and sulfurous odors.
Mfr Part #:

TGS2603

Available from 1 distributors
Mfr Name: Figaro
Figaro
The FIGARO TGS2603 is a MOS-type gas sensor designed for detecting odorous air contaminants. It offers high sensitivity to amine-series and sulfurous odors.
✓ Total Stock: 500 pcs
$ Price Range: $1.50

TGS2603 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
500 pcs
500 pcs On Request 1 On Request On Request On Request On Request 2026-04-06 21:33:24

TGS2603 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Industrial Grade
Power Consumption
SVHC Present

TGS2603 Description

Short technical summary and product information.

The FIGARO TGS2603 is a MOS-type gas sensor specifically designed for the detection of odor and air contaminants. It exhibits high sensitivity to low concentrations of odorous gases such as amine-series and sulfurous odors, commonly generated from waste materials or spoiled foods. This makes it suitable for applications like air cleaners, ventilation control, deodorizer control, and air quality monitors.

 

The sensor utilizes a metal oxide semiconductor layer on an alumina substrate with an integrated heater. In the presence of detectable gases, its conductivity changes, allowing a simple electrical circuit to convert this change into an output signal proportional to the gas concentration. The TGS2603 operates with a heater voltage of 5.0V DC and a circuit voltage of 5.0V DC, consuming low power (Ps ≤ 15mW).

 

Key features include high sensitivity to food odors, long life, and low cost. The standard package for the TGS2603 is a TO-5 metal can. Its typical detection range for Ethanol is 1 to 10 ppm. The sensor is RoHS3 compliant, has an MSL of 1, and is REACH unaffected.

 

Important Note: Figaro strongly recommends consulting their technical staff before deploying Figaro sensors in specific applications, especially when target gases are not explicitly listed or when operating conditions vary.

TGS2603 Quick Information

Product Type: Gas Sensor
Series: TGS2603
Canonical Name: FIGARO TGS2603 Gas Sensor
Subcategory: Odorous Gas Sensor

TGS2603 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Yes

TGS2603 Estimated Pricing

Qty Low High
1+ $1.50 $1.50

Estimated market price range - modelled values for guidance only, not live distributor offers.

TGS2603 Features

  • High sensitivity to amine and sulfurous odors.
  • Detects food odors and air contaminants.
  • Low power consumption (Ps ≤ 15mW).
  • MOS sensing principle.
  • TO-5 metal can package.

TGS2603 Applications

  • Used in air cleaners.
  • Suitable for ventilation control.
  • Applied in deodorizer control.
  • Ideal for air quality monitors.

TGS2603 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage of the TGS2603?

Heater voltage and circuit voltage are both 5.0 V DC.

What package is the TGS2603 available in?

TO-5 metal can.

What gases does the TGS2603 detect?

Air contaminants including trimethylamine, methyl mercaptan, and others.

What is the typical detection range of the TGS2603?

1–10 ppm ethanol.

What is the maximum power consumption?

15 mW.

What is the heater resistance at room temperature?

Approximately 67 Ω.

What is the minimum load resistance?

0.45 kΩ.

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