NTC Thermistors 2012 by Murata Manufacturing Co.,Ltd.

More catalogs by Murata Manufacturing Co.,Ltd. | NTC Thermistors 2012 | 44 pages | 2013-07-26

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!note · please read rating and !caution for storage operating rating soldering mounting and handling in this catalog to prevent smoking and/or burning etc · this catalog has only typical specifications therefore please approve our product specifications or transact the approval sheet for product specifications before ordering r44e.pdf dec.17,2012 o part numbering ntc thermistors for temp sensor and compensation chip type part number qproduct id product id nc wseries code p edimensions lgw code 03 15 18 21 dimensions lgw 0.60g0.30mm 1.00g0.50mm 1.60g0.80mm 2.00g1.25mm eia 0201 0402 0603 0805 yresistance tolerance code dfej rtemperature characteristics code xc xf xh xm xq xv xw wb wd wf wl wm temperature characteristics nominal b-constant 3100e3149k nominal b-constant 3250e3299k nominal b-constant 3350e3399k nominal b-constant 3500e3549k nominal b-constant 3650e3699k nominal b-constant 3900e3949k nominal b-constant 3950e3999k nominal b-constant 4050e4099k nominal b-constant 4150e4199k

!note · please read rating and !caution for storage operating rating soldering mounting and handling in this catalog to prevent smoking and/or burning etc · this catalog has only typical specifications therefore please approve our product specifications or transact the approval sheet for product specifications before ordering r44e.pdf dec.17,2012 basic characteristics !basic characteristics 1 zero-power resistance of thermistor r r=r0 expb 1/t-1/t0 1 r resistance in ambient temperature t k k absolute temperature r0 resistance in ambient temperature t0 k b b-constant of thermistor resistance vs temperature 102 resistance vs temperature characteristics r/r25 101 2 b-constant as 1 formula b=rn r/r0 1/t-1/t0 2 1 3 thermal dissipation constant when electric power p mw is spent in ambient temperature t1 and thermistor temperature rises t2 there is a formula as follows p=c t2-t1 3 c thermal dissipation constant mw/°c thermal dissipation constant is varied with dimensions measurement

!note · please read rating and !caution for storage operating rating soldering mounting and handling in this catalog to prevent smoking and/or burning etc · this catalog has only typical specifications therefore please approve our product specifications or transact the approval sheet for product specifications before ordering r44e.pdf dec.17,2012 ntc thermistors temperature sensor and compensation 0603 1608 size chip ntc thermistors have ni barrier termination and provide excellent solderability and offer high stability in environment by unique inner construction 0.2-0.6 0.2-0.6 1.6±0.15 c features electrode ag system ni plating sn plating 0.8±0.15 in mm 3 1 excellent solderability and high stability in environment 2 excellent long time aging stability 3 high accuracy in resistance and b-constant 4 flow reflow soldering possible 5 same b-constant in the same resistance in the three sizes 0805 size 0603 size 0402 size easy to use smaller size in the circuits 6 ncp series are

!note · please read rating and !caution for storage operating rating soldering mounting and handling in this catalog to prevent smoking and/or burning etc · this catalog has only typical specifications therefore please approve our product specifications or transact the approval sheet for product specifications before ordering r44e.pdf dec.17,2012 temperature sensor and compensation chip type temperature characteristics center value part number ncpppxc220 22 resistance 3100k b-constant temp c resistance y40 355.823 y35 273.975 y30 213.003 y25 166.943 y20 131.997 y15 105.318 y10 84.670 y5 68.628 0 55.981 5 45.859 10 37.819 15 31.396 20 26.211 25 22.000 30 18.560 35 15.735 40 13.403 45 11.462 50 9.842 55 8.488 60 7.348 65 6.399 70 5.595 75 4.896 80 4.299 85 3.795 90 3.360 95 2.983 100 2.656 105 2.367 110 2.116 115 1.901 120 1.712 125 1.543 part number ncpppxq471 470 resistance 3650k b-constant temp °c resistance y40 11822.473 y35 8767.745 y30 6570.224 y25 4971.784 y20 3796.933

!note · please read rating and !caution for storage operating rating soldering mounting and handling in this catalog to prevent smoking and/or burning etc · this catalog has only typical specifications therefore please approve our product specifications or transact the approval sheet for product specifications before ordering r44e.pdf dec.17,2012 temperature sensor and compensation chip type !caution/notice c !caution storage and operating conditions this product is designed for application in an ordinary environment normal room temperature humidity and atmospheric pressure do not use under the following conditions because all of these factors can deteriorate the product characteristics or cause failures and burn-out 1 corrosive gas or deoxidizing gas chlorine gas hydrogen sulfide gas ammonia gas sulfuric acid gas nitric oxide gas etc 2 volatile or flammable gas 3 dusty conditions 4 under vacuum or under high or low pressure 5 wet or humid locations 6 places with salt water oils

!note · please read rating and !caution for storage operating rating soldering mounting and handling in this catalog to prevent smoking and/or burning etc · this catalog has only typical specifications therefore please approve our product specifications or transact the approval sheet for product specifications before ordering r44e.pdf dec.17,2012 temperature sensor and compensation chip type package minimum quantity guide quantity pcs part number ncp03 ncp15 ncp18 ncp21 paper tape 15,000 10,000 4,000 4,000 embossed tape tape carrier packaging 1 dimensions of reel 2.0±0.5 1.0 ø60 w y0 1.0 9.0 w y0 ø13.0±0.2 ø21.0±0.8 0 ø180 w y1.5 13.0±1.0 in mm 2 taping method 1 a tape in a reel contains leader unit and trailer unit where products are not packed please refer to the figure at the right 2 the top and base tapes or plastic and cover tape are not stuck at the first five pitches minimum 3 a label should be attached on the reel murata s part number inspection number and quantity

!note · please read rating and !caution for storage operating rating soldering mounting and handling in this catalog to prevent smoking and/or burning etc · this catalog has only typical specifications therefore please approve our product specifications or transact the approval sheet for product specifications before ordering r44e.pdf dec.17,2012 temperature sensor thermo string type specifications and test methods no 1 2 3 item high temperature storage test low temperature storage test humidity storage test specifications test methods 125±2°c in air for 1000 +48 0 hours without loading · resistance r25°c fluctuation rate less than ±1 · b-constant b25/50°c fluctuation rate less than ±1 -40 +0 3°c in air for 1000 +48 0 hours without loading 60±2°c 90 to 95%rh in air for 1000 +48 0 hours without loading -40 +0 3°c 30 minutes in air +25±2°c 10 to 15 minutes in air +125±2°c 30 minutes in air 25 +2 0°c 10 to 15 minutes in air 1 cycle continuous 100 cycles without

!note · please read rating and !caution for storage operating rating soldering mounting and handling in this catalog to prevent smoking and/or burning etc · this catalog has only typical specifications therefore please approve our product specifications or transact the approval sheet for product specifications before ordering r44e.pdf dec.17,2012 temperature sensor thermo string/lead type temperature characteristics center value part number nxft15xh103 nxft15wb473 nxft15wf104 10k 47k 100k resistance 3380k 4050k 4250k b-constant temp °c resistance k resistance k resistance k y40 197.388 1690.590 4221.280 y35 149.395 1215.320 2995.040 y30 114.345 882.908 2147.000 y25 88.381 647.911 1554.600 y20 68.915 480.069 1136.690 y15 54.166 359.009 839.019 y10 42.889 270.868 624.987 y5 34.196 206.113 469.678 0 27.445 158.126 355.975 5 22.165 122.267 272.011 10 18.010 95.256 209.489 15 14.720 74.754 162.559 20 12.099 59.075 127.057 25 10.000 47.000 100.000 30 8.309 37.636 79.222 35 6.939 30.326

!note · please read rating and !caution for storage operating rating soldering mounting and handling in this catalog to prevent smoking and/or burning etc · this catalog has only typical specifications therefore please approve our product specifications or transact the approval sheet for product specifications before ordering r44e.pdf dec.17,2012 continued from the preceding page part number ntpaa3r9ldnb0 ntpaa5r1ldnb0 ntpaa8r2ldnb0 ntpaa100ldnb0 ntpa9160lbmb0 ntpa74r0lbmb0 ntpa75r0lbmb0 ntpa78r0lbmb0 ntpa7100lbmb0 ntpa7160lbmb0 ntpa7220lbmb0 resistance 25°c ohm 3.9 ±15 5.1 ±15 8.2 ±15 10.0 ±15 16.0 ±15 4.0 ±15 5.0 ±15 8.0 ±15 10.0 ±15 16.0 ±15 22.0 ±15 permissible max current 25°c a 2.7 2.5 2.0 1.7 1.4 2.3 1.9 1.7 1.4 1.2 1.0 permissible max current 55°c a 2.3 2.2 1.7 1.5 1.2 2.0 1.6 1.5 1.2 1.0 0.88 thermal time constant 25°c s 70 70 70 70 65 40 40 40 40 40 40 thermal dissipation constant 25°c mw/°c 13.5 13.5 13.5 13.5 11.6 9.4 9.4 9.5 9.5 9.9 9.1

!note · please read rating and !caution for storage operating rating soldering mounting and handling in this catalog to prevent smoking and/or burning etc · this catalog has only typical specifications therefore please approve our product specifications or transact the approval sheet for product specifications before ordering r44e.pdf dec.17,2012 inrush current suppression lead type !caution/notice c !caution storage and operating conditions 1 this product is designed for the switching power supply with smoothing capacitors other applications of this product may result in fire 2 use this product within the specified maximum current otherwise it may catch fire in the worst case 3 use this product with smoothing capacitor within the specified maximum capacitance value otherwise it may catch fire in the worst case 4 this product is designed for application in an ordinary environment normal room temperature humidity and atmospheric pressure do not use under the following conditions

!note · please read rating and !caution for storage operating rating soldering mounting and handling in this catalog to prevent smoking and/or burning etc · this catalog has only typical specifications therefore please approve our product specifications or transact the approval sheet for product specifications before ordering r44e.pdf