Figaro TGS-2620 gas sensor (Ø x H) 9.2 mm x 7.8 mm TGS-2620 Fiche De Données

Codes de produits
TGS-2620
Page de 12
Revised 10/12
3
TECHNICAL INFORMATION FOR TGS2620
Top view
Side view
Bottom view
Sensing
element
ø9.2±0.2
3.6±0.1
1
2
3
4
3.6±0.1
ø8.1±0.2
ø0.55±0.05
ø5.1
90˚ 
7.8±0.5
10.0±1.0
1-5   Circuit & operating conditions
 
The ratings shown below should be maintained at all 
times to insure stable sensor performance:
1-6   Specifications 
NOTE 1
1-7   Dimensions
Fig. 3 - Sensor dimensions
Mechanical Strength:
The sensor shall have no abnormal findings in 
its structure and shall satisfy the above electrical 
specifications after the following performance tests:
Withdrawal Force -
              (pin from base)
               Vibration -
                      Shock -
withstand force of 5kg in each 
direction
frequency-1000c/min., total 
amplitude-4mm, duration-one 
hour, direction-vertical
acceleration-100G, repeated 5 
times
NOTE 1:
  Sensitivity characteristics are obtained 
under the following standard test conditions:
(Standard test conditions)
Temperature and humidity:  20 ± 2˚C, 65 ± 5% RH
Circuit conditions:  
 
Vc = 5.0±0.01V DC
 
 
   V
H
 = 5.0±0.05V DC 
 
 
    R
L
 = 10.0kΩ ± 1%
Preheating period:  7 days or more under standard circuit 
conditions 
All sensor characteristics shown in this brochure 
represent typical characteristics. Actual 
characteristics vary from sensor to sensor and 
from production lot to production lot. The only 
characteristics warranted are those shown in 
the Specification table above. 
Pin connection:
   1: Heater
   2: Sensor electrode (-)
   3: Sensor electrode (+)
   4: Heater
u/m: mm
Item
Specification
Circuit voltage (V
C
)
5.0V ± 0.2V AC/DC
Heater voltage (V
H
)
5.0V ± 0.2V AC/DC
Heater resistance (room temp)
83Ω (typical)
Load resistance (R
L
)
variable (0.45kΩ min.)
Sensor power dissipation (P
S
)
≤15mW
Operating & storage temperature
-40˚C ~ +70˚C
Optimal detection concentration
50 ~ 5,000ppm
Item
Specification
Sensor resistance 
(300ppm ethanol)
1kΩ ~ 5kΩ
Sensor resistance ratio (β)
0.3 ~ 0.5
β = Rs(300ppm ethanol)/Rs(50ppm ethanol)
Heater current (R
H
)
42 ± 4mA
Heater power consumption (P
H
)
approx. 210mW