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SB-15-00 Tin Dioxide Semiconductor Gas Sensor Description
The SB-15-00 is a tin dioxide semiconductor gas sensor which has an excellent performance in propane/butane detection.

The features are: high sensitivity, low sensitivity to noise gases, quick response speed, strong poisoning resistance and significant low power consumption design (120mW).

SB-15-00 Tin Dioxide Semiconductor Gas Sensor Application
Industrial gas leak detector

SB-15-00 Tin Dioxide Semiconductor Gas Sensor Specifications

Standard Operating conditions
Symbol	Parameter	Specification	Conditions etc.
V_H	Heater voltage	0.9 V ± 0.05 V	AC, DC or pulse driving
V_C	Circuit voltage	Less than 5 V	DC: Pin2 (+) - Pin 1 (-)
R_L	Load resistance	Variable (> 200 )	P_S < 10 mW
R_H	Heater resistance	2.8 ± 0.2	at room temperature
I_H	Heater current	132 mA	I_H = V_H / R_H (typical value)
P_H	Heater power consumption	120 mW	P_H = V_H² / R_H (typical value)
Environmental conditions
Symbol	Parameter	Specification	Conditions etc.
Tao	Operating temperature	-10°C to 50°C	Recommended range
Tas	Storage temperature	-30°C to 100°C
RH	Relative humidity	Less than 95% RH
(O2)	Oxygen concentration	21% ± 1% (Standard condition)	Absolute minimum level: more than 18%
(O2)	Oxygen concentration	The sensitivity characteristics are influenced by the variation in oxygen concentration. Please consult FIS for details.
Sensitivity characteristics
Model	SB-15-00
Symbol	Parameter	Specification	Conditions etc.
R_S	Sensor resistance	0.2 k to 2.0 k	at 1000 ppm of iso-butane
	Sensitivity	0.55 to 0.75	Rs (at IB 3000 ppm) Rs (at IB 1000 ppm)
Standard Test Conditions:		Temp: 20°C ± 2°C Humidity:65% ± 5% (in clean air)	V_C: 5.0 V ± 5% V_H : 0.9 V ± 5% R_L : 750 ± 1%
Standard Test Conditions:		Pre-heating time: more than 48 hours
Mechanical characteristics
Items	Conditions		Specifications
Vibration	Frequency: Acceleration: Sweep Time:	5 - 500 Hz 1.3 G 40 min.	Should satisfy the specifications shown in the sensitivity characteristics after test.
Drop	Height: Number of impacts:	60 cm 3 times