ZTP-148SR | Thermometrics Infrared (IR) Sensors

Thermopile Chip:
Parameter	Limit Min	Limit Typ	Limit Max	Units	Condition
Chip Size		1.8 x 1.8		mm²
Active Area		1.0 x 1.0		mm²	Absorber Area
Internal Resistance	60	85	111	kΩ	@ 25°C
Resistance T.C.			0.12	%/°C
Responsivity	43	61	79	V/W	500K, 1 Hz
Responsivity T.C.		-0.07		%/°C
Noise Voltage		37		nV rms	R.M.S., 25°C
NEP		0.61		nW/Hz½
Detectivity		1.14		cmHz½/W
Time Constant		32		ms

NTC Thermistor for Temperature Compensation:
Parameter	Limit Min	Limit Typ	Limit Max	Units	Condition
Resistance	97	100	103	kΩ	Tol: 3%, @ 25°C
Beta - Value	3920	3960	4000	K	Tol: 1%, Defined at 25°C/50°C

Absolute Maximum Ratings:
Operating Temperature	-20°C ~ 100°C
Storage Temperature	-40°C ~ 120°C