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Thermopile Infrared Sensor for NDIR CO2 Gas Detection - TS418-1N426

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• Very High Signal
• Accurate Reference Sensor
• 4.26µm Narrow Band Pass
• Package: TO-18
• Absorber Area: 1.4 x 1.4 mm2
• Rise Time: 22 ± 5ms
• Ambient Temperature Sensor: Ni-RTD
• NDIR CO2 Gas Detection

Model Number: TS418-1N426
Data Sheet:

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Product Specification

TS418-1N426 Thermopile Infrared Sensor SPECIFICATIONS
• Thermopile IR-Sensor
• Filter for NDIR CO2 Gas Detection
• Single Element
• Very High Signal
• Flat Filter
• Small Package
• Accurate Reference Sensor

TS418-1N426 Thermopile Infrared Sensor DESCRIPTION
Thermopiles are mainly used for contactless temperature or non-dispersive infrared measurement in many applications. Their function is to transfer the heat radiation emitted from the objects or other infrared sources into a voltage output.

TS418-1N426 Thermopile Infrared Sensor FEATURES
• Very High Signal
• Accurate Reference Sensor
• 4.26µm Narrow Band Pass
• Small TO-18 package

TS418-1N426 Thermopile Infrared Sensor APPLICATIONS
• NDIR CO2 Gas Detection

TS418-1N426 Thermopile Infrared Sensor ABSOLUTE MAXIMUM RATINGS

Parameter	Symbol	Min	Typical	Max	Unit	Description
Storage Temperature	T_s	-20	+20	+85	°C	permanent
Storage Temperature	T_s	-20	+20	+100	°C	non permanent

TS418-1N426 Thermopile Infrared Sensor PERFORMANCE SPECS

Parameter	Symbol	Value	Unit	Condition
Operating Ambient Temperature	T_Amb	-20 to +85	°C	permanent
Operating Ambient Temperature	T_Amb	-20 to +100	°C	non permanent
Package		TO-18
Absorber Area	A	1.4 x 1.4	mm²
Thermopile Resistance	R_TP	180 ± 60	kΩ	T_Amb = +25°C
Temperature Coefficient of Thermopile Resistance	TCRTP	-0.06 ± 0.04	%/K	T_Amb = +25°C to +75°C
Voltage Response	V_TP	depends on light source	mV	T_Amb = +25°C, TObj = +100°C, DC, totally filled field of vie
Temperature Coefficient of Voltage Response	TCV_TP	-0.45 ± 0.08	%/K	T_Amb = +25°C to +75°C
Noise Equivalent Voltage	NEV	130	nV/Hz^½	T_Amb = +25°C
Rise Time	t₆₃	22 ± 5	ms
Ambient Temperature Sensor		Ni-RTD
Ambient Temperature Sensor Resistance	R_Ni-RTD	1000 ± 4	Ω	T_Amb = 0°C
Temperature Coefficient of Ni-RTD	TC_Ni-RTD	6178 ±150	ppm/K	T_Amb = 0°C to +100°C