According to the thermistor standard and the "People's Republic of China Standardization Law"Ya Xun electronic special development of the inspection standards,As IQC parts incoming inspection and identification of parts engineering, and organization of production and sales basis.
The format and structure of this standard meet the GB / T 1.1-2000 and GB / T 1.2-2002 standard requirements.
Range
This standard specifies the thermistor material classification,Use environmental requirements,Product labeling requirements,Body appearance requirements,Packaging and storage requirements,Flame retardant requirements,Testing equipment requirements,Detection rules,Parts routine inspection,Reliability experiment.

Item		Particular	Mark	Char.	Unit	Tol
Resistance（Rs)		R  25℃(  in liquid )	R 25	10.000	kΩ	±5.0%
Resistance(re.)		R  85℃(  in liquid )	R85	1.072	kΩ	±7.1%
B Constant		B value between t1 and t2 ℃	B25/85	3975	K	±1.0%
		Bt1-t2 =  Ln(Rt1/Rt2) / [ 1/(t1+273.15)-(1/t2+273.15)]
Thermal time constant.		to change into 63.2% of temp. range: 0-> 25℃ ( in stirred oil)	τ	2	sec	approx.
Dissipation constant		in still air	δ	3.2	㎽/K	Max.
Operating Temp range		Normal use temperature range	-40~125		℃	-
The maximum power rating		in still air	83mW
	Insulation  resistance	500VDC. in air	100MΩ  Min
The maximum current rating		in still air	3.9mA
The maximum operating  current		in still air,The current for the resistance change not to 2%  by self heating	0.45mA