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Tin Dioxide Semiconductor Gas Sensor for LP-Gas Detection - SP-15A-00

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• Target gas: LP-Gas(Propane/Butane)
• Heater voltage: 5.0 V ± 4 %
• Operating temperature: -10°C to 60°C
• Storage temperature: -20°C to 70°C
• Relative humidity: Less than 95% RH
• Sensor resistance: 4 kΩ to 15 kΩ
• Sensitivity slope: 0.60 to 0.75
• Home gas leak detector

Model Number: SP-15A-00
Data Sheet:

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Product Specification

SP-15A-00 Gas Sensor for LPG Detection Description
The SP-15A is a tin dioxide semiconductor gas sensor which has a high sensitivity and excellent selectivity in propane/ butane detection.

The SP-15A has also a significant feature in good stability after exposure to silicone compounds. Using the SP-15A, the most reliable LPGas leak detection can be achieved.

SP-15A-00 Gas Sensor for LPG Detection Application
• Home gas leak detector

SP-15A-00 Gas Sensor for LPG Detection Specifications

Standard Operating conditions
Symbol	Parameter	Specification	Conditions etc.
V_H	Heater voltage	5.0 V ± 4 %	AC or DC
V_C	Circuit voltage	5.0 V ± 4 %	DAC or DC
R_L	Load resistance	Variable	P_S < 15 mW
R_H	Heater resistance	42 Ω ± 2 Ω	at room temperature
P_H	Heater power consumption	380 mW (Typical value)	P_H = V_H² / R_H
P_S	Power dissipation of sensing element	Less than 15 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-15-00
Symbol	Parameter	Specification	Conditions etc.
RS	Sensor resistance	4 kΩ to 15 kΩ	at 1500 ppm of iso-butane/air
β	Sensitivity slope	0.60 to 0.75	R_s (at IB 3000 ppm) R_s (at IB 1500 ppm)
Standard Test Conditions:		Temp: 20°C ± 2°C Humidity:65% ± 5% (in clean air)	V_C : 5.0 V ± 1% V_H : 5.0 V ± 1% R_L : 10 kΩ ± 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.
Shock	Acceleration: Number of impacts:	100 G 5 times