Compact Metal Oxide Gas Sensor - MiCS-5524

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• Smallest footprint for compact designs (5 x 7 x 1.55 mm)
• Robust MEMS sensor for harsh environments
• High-volume manufacturing for low-cost applications
• Short lead-times
• Relative humidity range: 5 - 95%RH
• Ambient operating temperature: -30 - 85°C
• Storage temperature range: -40 - 120°C
• Storage humidity range: 5 - 95%RH

Model Number: MiCS-5524
Data Sheet:

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Product Specification

The MiCS-5524 is a compact MOS sensor.

The MiCS-5524 is a robust MEMS sensor for indoor carbon monoxide and natural gas leakage detection; suitable also for indoor air quality monitoring; breath checker and early fire detection.

MiCS-5524 Metal Oxide Gas Sensor Features
• Smallest footprint for compact designs (5 x 7 x 1.55 mm)
• Robust MEMS sensor for harsh environments
• High-volume manufacturing for low-cost applications
• Short lead-times

MiCS-5524 Metal Oxide Gas Sensor Detectable gases

Carbon monoxide	CO	1 - 1000ppm
Ethanol	C2H5OH	10 - 500ppm
Hydrogen	H2	1 - 1000ppm
Ammonia	NH3	1 - 500ppm
Methane	CH4	>1000ppm

MiCS-5524 Metal Oxide Gas Sensor Performance sensor

Characteristic RED sensor	Symbol	Typ	Min	Max	Unit
Sensing resistance in air (see note 1)	R₀	-	100	1500	kΩ
Typical CO detection range	FS		1	1000	ppm
Sensitivity factor (see note 2)	S₆₀	-	1.2	50	-

Notes:
1. Sensing resistance in air R 0 is measured under controlled ambient conditions, i.e. synthetic air at 23 ±5°C and 50 ± 10% RH. Sampling test.
2. Sensitivity factor is defined as Rs in air divided by Rs at 60 ppm CO. Test conditions are 23 ± 5°C and 50 ± 10% RH. Indicative values only. Sampling test.

Parameter	Symbol	Typ	Min	Max	Unit
Heating power	P_H	76	71	81	mW
Heating voltage	V_H	2.4	-	-	V
Heating current	I_H	32	-	-	mA
Heating resistance at nominal power	R_H	74	66	82	Ω

Rating	Symbol	Value / Range	Unit
Maximum heater power dissipation	P_H	88	mW
Maximum sensitive layer power dissipation	Ps	8	mW
Voltage supply Heating current	Vsupply	4.9 - 5.1	V
Relative humidity range	RH	5 - 95	%RH
Ambient operating temperature	Tamb	-30 - 85	°C
Storage temperature range	Tsto	-40 - 120	°C
Storage humidity range	RHsto	5 - 95	%RH