NTC NTC THERMISTOR TEMPERATURE SENSORS

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1 NC NC HEMISO EMPEAUE SENSOS FEAUES High precision and high stability Quick temperature response esistant to heat shock Moisture resistant Excellent quality and high stability APPLICAIONS emperature test in all kinds of air-condition,refrigerator,water boiler,microwave oven. PA NUMBEING FH - CWF XXX X XXXX X X / XXXX X Guang Dong Fenghua Advanced echnology (Holding) Co.,LD.code NC unit: NC temperature sensors code ated zero-power resistance he first two are significant figure of resistance and the third one expresses number of following zeros % olerance of % Code E F G H J X olerance of Specific tolerance B B value Code B % olerance of B value % Code E F G H J X B olerance of B Specific tolerance B B value emperature Code Code A B C D E F G H M N emperature /50 / 85 0/ 0/50 0/100 0/80 /100-18/ -/ 5/ ermination shape code Length of the sensor unit:mm 137

2 Code C E ermination shape shell Epoxy esin APPEAACE AND DIMENSIONS C Pour type type C shell Epoxy esin NC NC hermistor PVC PVC Wire Housing SHELL PAAMEE (mm) Shell diameter (mm) Shell length Shell material metal( copper aluminum stainless steel and so on)ornonmetal E EPOXY YPE YPE E PVC PVC wire Epoxy esin Housing NC NC hermistor NOE We can absolutely design NC Sensors as your requirement. 138

3 NC NC HEMISO EMPEAUE SENSOS PEFOMANCE PAAMEE ated zero-power resistance % 1% 2% 3% 5% esistance tolerance 0.5% 1% 2% 3% 5%. B /50 / K B Constant /50 or / K. B 0.5% 1% 2% 3% 5%. olerance of B-constant 0.5% 1% 2% 3% 5% Operating temperature C mw/ E mw/. Dissipation factor (in still air) type C mw/ type E mw/. C s E s. hermal time constant (in still air) type C s type E s. characteristics type esistance 502F 3274F 502F 3470F 3572F 3450F 3950F 4100F 503F 4055F emperature ( ) B/ B/85 139

4 characteristics type esistance emperature ( ) 153F 3950F 233F 3950F 233F 40F 3700F 3435F 152F 3850F 442F 3950F B/ B/ NOE We can absolutely design NC sensors as your requirement. 1. HE MAIN CHAACEISICS 1.ated zero-power resistance ( ) he zero-power resistance at (298.15K). 2.B B=ln( / )/(1/1-1/2)

5 . NC NC HEMISO EMPEAUE SENSOS 2.B value B value is expressed by the following equation: B=ln( / )/(1/1-1/2) esistance at 1(K). esistance at 2(K) % C =C/ 3.hermal time constant he time necessary for a thermistor to vary its temperature by 63.2% of the total difference its initial temperature and its final temperature when it is subjected to a temperature step under zero-power conditions. 4 = P/ 4.Dissipation factor he quotient of the change in power dissipation in a thermistor and the esultant temperature change of the element. 5. =1/ d /d =-B/ 2 K B B (K) 5.emperature coefficient at zero-power of the resistance At a specific temperature is a ratio of the zero-power resistance change with temperature and the zero-power resistance. =1/ d /d =-B/ 2 141

6 ELIABILIY CHAACEISICS esting Item equirement esting Method and Condition Heat Cycle est / < 3% B/B< 3%, 10min, 2min 100, 10min. [in coolant ] [in water ] 100 cycles. AC1800V,1s Electric Strength AC1800V,1s no breakdown or no flsh hrs Heat esistance test 1000hours at in air hrs Coldesistanceest 1000hours at 40 2 in air % 95%H 1000hrs Placed 1000hours Humidity est at % 95%H. 5kg 1 Lead Wire Crimping Strength Drop est Vibration est / < 3% B/B< 3% Dielectric withstanding voltage and insulation resistance not change. here shall be no evidence of damage during the test. 1 min load with 5kg. 1m 10 From height 1m drop on concrete floor 10 times. Frequency 10 55HZ Amplitude Modulation 1.52mm 1 one time 1 1 min. Direction and time X Y Z 2 X Y and Z direction for 2hrs. adder speed 0m/s 2 Bump est pulse duration times ms for 10 times Bending est bending the part between wire and epoxy. 142

7 F3470FA/ B(/50 ) 3470K 1% 5K 1% max (t) min emp ( ) max (t) min emp ( ) NC NC HEMISO EMPEAUE SENSOS

8 AENIONS OF ODE Please comment the next if you want to make some order: 1 APPLICAION Such as temperature survey,control,compensating and so on. 2 SEVICE ENVIOMEN Such as atmosphere,water,moisture and so on. 3 HE WOKING ANGE OF EMPEAUE ( ) ( ) 4 IEMNAMEFOMANDSIZE 5 HE ESISANCE VALUE K % at ( ) 6 B HEVALUEOFB B( / )=( )K % 7 HEMAL IME CONSAN ( ) ( ) ( )S ( ) S ( )enviroment 8 DISSIPAON FACO mw/ 9 OHE SPECIAL ECHNICAL CONDIIONS Attentions: If the service request you want is out of the list parameter, please contact with us, and we will design and manufact as your requirement. 144