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Tin Dioxide Semiconductor Gas Sensor for Alcohol Detection - SB-30-00

? Target gas: Alcohol
? Heater voltage: 0.9 V ± 0.05 V
? Circuit voltage: Less than 5 V
? Operating temperature: -10°C to 60°C
? Storage temperature: -20°C to 70°C
? Relative humidity: Less than 95% RH
? Sensor resistance: 0.3 k? to 5.0 k?
? Portable breath alcohol checker

Model Number: SB-30-00
Data Sheet:

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Product Specification

SB-30-00 Alcohol Sensor Description
The SB-30 is a tin dioxide semiconductor gas sensor which has a high sensitivity to alcohol with quick response speed. This model is suitable for alcohol detection such as portable breath alcohol checker or ignition locking system in automobles.

SB-30-00 Alcohol Sensor Application
? Portable breath alcohol checker
? Ignition locking system in automobles

SB-30-00 Alcohol 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)
P_S	Power dissipation of sensing element	Less than 10 mW	P_S = (V_C - V_RL)²/R_S
Environmental conditions
Symbol	Parameter	Specification	Conditions etc.
Tao	Operating temperature	-10°C to 60°C	Recommended range
Tas	Storage temperature	-20°C to 70°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-30-00
Symbol	Parameter	Specification	Conditions etc.
RS	Sensor resistance	0.3 k? to 5.0 k?	at ethanol 300 ppm
β	Sensitivity	0.35 to 0.65	Rs (at ethanol 300 ppm) Rs (at ethanol 50 ppm)
Standard Test Conditions:		Temp: 20°C ± 2°C Humidity: 65% ± 5% (in clean air)	V_C : 5.0 V ± 1% V_H : 0.9 V ± 1% R_L : 750 ? ± 5%
Standard Test Conditions:		Pre-heating time: more than 48 hours
Mechanical characteristics
Items	Conditions		Specifications
Vibration	Frequency: Vertical amplitude: Duration:	100 cpm 4 mm 1 hour	Should satisfy the specifications shown in the sensitivity characteristics after test.
Shock	Acceleration: Number of impacts:	100 G 5 times