Typical detection range

500 - 10,000 ppm

Standard circuit conditions

Heater voltage

V_H

5.0 V ± 0.2 V DC/AC

Circuit voltage

V_C

5.0 V ± 0.2 V DC

P_S ≤ 15 mW

Loadresistance

R_L

Variable

P_S ≤ 15 mW

Electrical characteristics under standard conditions

Heater resistance

R_H

57 Ω ± 5 Ω at room temp.

Heater current

I_H

56 mA

Heater power consump.

P_H

280 mW

VH = 5.0 V DC

Sensor resistance

R_S

1 kΩ - 5 kΩ in 1500 ppm iso-butane

Sensitivity (change ratio of R_S)

0.53 ± 0.005

Rs (4500 ppm)

Rs (1500 ppm)

Standard test conditions

Test gas conditions

Iso-butane vapor in air at 20˚C ± 2˚C, 65% ± 5% RH

Circuit conditions

V_C = 5.0 V ± 0.01 V DC V_H = 5.0 V ± 0.05 V DC