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Trustworthy electronic circuit protection expert Metal Oxide Varistors NTC温度传感器 NTC热敏电阻器是一种以过渡金属氧化物为主要原材料制造的 半导体陶瓷元件。它具有电阻值随着温度的变化而相应变化的特 性。即在一定的测量功率下,电阻值随着温度上升而下降。利用 这一特性,可将NTC热敏电阻器及其温度传感器应用在测控温, 温度补偿,和抑制浪涌电流等场合。 Thermistor is a ceramic semiconducting element made from exorbitant oxides materal. It has the feature that the resistance changes according to the ambient temperature. Namely, their resistance declines with the rising of ambient temperature at a determinatemeasuringpower.WiththisfeatureNTC thermistor and temperature sensor can be applied in the situation of temperature measurement and control, compensation and surgecurrentprotection. NTC热敏电阻器及其温度传感器的主要参数: Main techno-Parameter of NTC Thermistor: 零功率电阻值 RT 在规定温度下,采用引起电阻变化相对于总的测量误差来说可以 忽略不计的测量功率测的的电阻值 ZeroPower ResistanceRT At rated temperature ,it is the resistance measured by the measuringpower which causes the resistance change that can beignoredrelativeto thewholemeasuringerror. 额定零功率电阻值 R25 也称标称电阻值,通常是指 25℃时测得的零功率电阻值 RatedZeroPower ResistanceR 25 Also Known as Nominal Resistance,is the zero power resistancemeasuredat 25℃ B值 B值是负温度系数热敏电阻器的热敏指数,他被定义为两个温度 下零功率电阻值的自然对数之差与这两个温度导数之差的比值 B Value B Value is the thermel exponent of negative temperature coefficient thermistor, which is defined as the ratio of the difference between the napierian logarithm of zero power resistance at two temperatures to the difference between the temperatures’reciprocal. B=In T T R R T T 1 2 2 1 T T T T In T T R R 式中:RT1-温度为 T1时的零功率电阻值 RT2-温度为 T2时的零功率电阻值 Intheequation: RT1-The zero power resistanceatT1 RT2-Thezero power resistanceatT2 除非特别指出,B值是由 25℃(298.15K)和 50℃(323.15K)的 零功率电阻值计算而得到的,B值在工作温度范围内并不是一个 严格的常数。 Unless the particular indication, B value is figured out from the zeropowerresistanceat25 ℃(298.15K) and50℃(323.15K) andB valueis not a rigorous constant in therangeof operating temperature. 零功率电阻温度系数αT TemperatureCoefficient ofZero powerResistanceα T 指在规定温度下,热敏电阻器的零功率电阻值随着温度的变化率 与它的零功率电阻值之比。 At ratedtemperature, itis theratio ofthe zero power resistance change rate with temperature to the zero power resistance itself.Namely: αT= R dT dRT =- 2T B 式中:αT-温度为 T时的零功率电阻温度系数 RT-温度为 T时的零功率电阻值 A ll data sheet.com

Trustworthy electronic circuit protection expert Metal Oxide Varistors T-温度(以 K表示) B-B值 αT-the temperaturecoefficientofzero power resistanceatT RT-thezero power resistanceatT T-temperature B-B value 耗散系数 在规定的环境温度下,热敏电阻器耗散功率变化与其相应温度变 化之比,即 Dissipationcoefficient  At rated ambient temperature, it is the radio of consumption power change rate of thermistor to the change of the correspondingtemperature,namely:  = T P 在工作温度范围内,δ随着环境温度的变化而变化。 Intherangeofoperatingtemperature,δhasalittlechangewith theambient. 热时间常数 ThermalTime Constant  在零功率条件下,当温度发生突变时,热敏电阻体温度变化了始 末两个温度差的 63.2%所需的时间。  与热敏电阻器的热容量 C成正比,与其耗散系数 成反比, At zero power,it is measured as time in seconds which needed forthermistortemperaturechangeof63.2%differencebetween initial and final thermistor temperature when the temperature breaks.  is in direct ratio to thermal capacity C of thermistor and in inverseratiotothedissipation coefficient  ,namely:  = C 电阻-温度特性 Resistance-TemperatureCharacteristic 热敏电阻器的零功率电阻值与其电阻体温度之间的依赖关系。 The reliant relationship between the zero power resistance of thermistoranditstemperature. R值与 B值关系 R-Tcurve NTC thermisor 热敏电阻器的零功率电阻值与其电阻体温度之间的依赖关系。 The reliant relationship between the zero power resistance of thermistoranditstemperature. B值相同,阻值不同的 R-T特性曲线示意图 相同阻值,不同 B值的 R-T特性曲线示意图 R-Tcurve basedonsame Bvalue, differentresistance R-Tcurvebasedon differentB value,sameresistance MF51玻封测温型 NTC热敏电阻器系列 MF51Temperature-Mesurementchip inglassNTC Thermistorseries A ll data sheet.com

Trustworthy electronic circuit protection expert Metal Oxide Varistors 应用范围

  • 空调,暖气设备
  • 电子体温计
  • 液位传感器
  • 汽车电子
  • 电子台历

Applications

  • Air-Conditioner,Heating apparatus
  • ElectricThermometer
  • Liquidlevelsensor
  • Automoblieelectronic
  • Electrictable-board 特点
  • 体积小
  • 测试精度高
  • 反应速度快
  • 一致性,互换性好
  • 可在高温高湿等恶劣环境下使用 Characteristic
  • Small size
  • Hightestingprecision
  • Fastresponse
  • Goodqualityofcoherence andinterchange
  • It canbeusedinsuch worseenvironmentashightemperatureandhumdityetc. 外形结构和尺寸 Dimensions(mm) 产品标识说明 Specification 主要技术参数 Main Techno-Parameter 型号 PartNo. 耗散系数(mw/℃) Dissi.coef.( mw/℃) 热时间常数(S) Thermaltime constant(S) 最大功耗@25℃ Pmax(mW) MF51-A 约 1.4 约 14 50 MF51-B 约 0.9 约 7 35 MF51-C 约 0.75 约 5 15 型号 PartNo. 标称阻值 R25 RateResistanceR25 B值(25/85℃) B value(25/85℃) 型号 PartNO. D H L d MF51-A MF51-B MF51-C MF51 B 103 F 3750 E B值允许偏差代号(根据需要标注) B值25/85℃:为 3750K 标称电阻值:103为10KΩ 外形尺寸代号:B型 型号:为玻封测温型NTC热敏电阻器 The allowable toleranceof(labelbyrequirment) B value25/85℃;namedly 3750K ResistanceToleranceCode:NamelyF; ±1%,G;±2%, RatedResistance:103namely10K Ω ConfigurationCode;B model Type: Temp-measurement chip in glass NTC thermistor A ll data sheet.com

Trustworthy electronic circuit protection expert Metal Oxide Varistors R25(KΩ) 精度 Tolerance K 精度 Tolerance 常规 型号 MF51□□□3435 2~10 ±1% ±2% ±3% ±5% 3435 ±1% ±2% MF51□□□3450 2~10 3450 MF51□□□3750 8~10 3750 MF51□□□3950 10~50 3950 MF51□□□4150 50~100 4150 MF51□□□4200 100~350 4200 MF51□□□4350 870~980 4350 MF51□□□4450 1000~1500 4450 特殊 型号 MF51□2.186K□3420 R25=2.186 R0=6 ±2% ±3% ±5% 3420(B0/100=3390) ±1% ±2% MF51□5.369K□3480 R25=5.369 R0=15 3480(B0/100=3450) MF51□49.12K□3992 R25=49.12 R0=3.3 3992(B0/100=3970) MF51□98.63K□4066 R25=98.63 R0=0.55 4066(B0/100=4300) MF51□231.4K□4240 R25=231.4 R0=1 4240(B0/100=4537) MF52珠状精密型 NTC热敏电阻器系列 MF52Pearl-ShapeTempMeasurementNTC Thermistor 应用范围

  • 空调设备
  • 暖气设备
  • 电子体温计
  • 液位传感器
  • 汽车电子
  • 电子台历
  • 手机电池
  • Air-ConditionerEquipments
  • HeatingApparatus
  • ElectricThermometer
  • Liquidlevelsensor
  • Automoblieelectronic
  • Electrictable-board
  • Batteryof MobilenTelephone 特点
  • 测试精度高
  • 体积小,反应速度快
  • 能长时间稳定工作
  • 互换性,一致性好
  • 规模化生产,性价比高 Characteristic
  • Hightestingprecision
  • Small size,FastResponse
  • Steady OperatingForLongtime
  • Good quality of coherence and interchange
  • Scale production,highratioof features to cost 产品标识说明 Specification MF52 A 103 G 3380 E A ll data sheet.com

Trustworthy electronic circuit protection expert Metal Oxide Varistors 主要技术参数 Main Techno-Parameter 型号 PartNo. 标称阻值R25 (KΩ) RatedResistanceR25 (KΩ) B值(25/50℃) (K) B Value(25/50℃) (K) 额定功率 (mW) RatedPower (mW) 耗散系数 (mW/℃) Dissi.Coef. (mW/℃) 热时间常数 (S) Thermaltime Constant(S) 工作温度 (℃) Operating Temp.(℃) MF52□□□3100 0.1~20 3100 ≤50 ≥2.0 静止空气中 Instillair ≤12 静止空气中 Instill air -40~+125℃ MF52□□□3270 0.2~20 3270 MF52□□□3380 0.5~50 3380 MF52□□□3470 0.5~50 3470 MF52□□□3600 1~100 3600 MF52□□□3950 5~100 3950 MF52□□□4000 5~100 4000 MF52□□□4050 5~200 4050 MF52□□□4150 10~250 4150 MF52□□□4300 20~1000 4300 MF52□□□4500 20~1000 4500 外形结构和尺寸 Dimensions(mm) A型: (引线为镀锡铜线或镀锡铜包钢线) (Tin.nickle Cuor Cpwire) 常规尺寸表 Normaldimensiontable 代号 Code Dmax L1max L2min d ±0.05 F ±0.5 A1 2.5 4.0 25 0.3 1.7 A2 3 4.5 25 0.45 2.2 B型: (引线为锡包线) (Enamelledcuwire) B值允许偏差代号(根据需要标注) B值:为3380K 标称电阻值:103为10KΩ 不同外形结构和尺寸代号: A 型引线 为镀锡铜线或者镀锡铜包钢线 型号:珠状精密型型NTC热敏电阻器 The allowable toleranceof(labelbyrequirment) B value;namedly3380K ResistanceToleranceCode:NamelyF; ±1%,G;±2%, RatedResistance:103namely10K Ω Diffierent Configuration and Code:ModelAis Cu or Cp wire Type: Temp-measurement chip in glass NTC thermistor A ll data sheet.com

Trustworthy electronic circuit protection expert Metal Oxide Varistors 常规尺寸表 Normaldimensiontable 代号 Code Dmax L1max L2min d ±0.05 B1 2 3.5 用户定制 Byuser determine 3 0.2 B2 3 4 用户定制 Byuser determine 3 0.3 C型: (引线为高温氟塑线) (Hightempfluorin-plasticwire) 常规尺寸表 Normaldimensiontable 代号 Code Dmax L1max L2min 线材 型号 C1 3 7.5 用户定制 Byuser determine 5 30# C2 4 7.5 用户定制 Byuser determine 5 28# D型: (引线为PVC导线) (PVC Wire) 常规尺寸表 Normaldimensiontable 代号 Code Dmax L1max L2min 线材 型号 D1 3 7.5 用户定制 Byuser determine 5 30# D2 4 7.5 用户定制 Byuser determine 5 28# E型: (引线和包封头均为特殊规格) (Leadandhead areallspecialspecification) 常规尺寸表 Normaldimensiontable 代号 Code Dmax L1max L2min 线材 型号 用户定制 Byuser determine 用户定制 By user determine 用户定制 Byuser determine 用户定制 Byuser determine 用户定制 Byuser determine 用户定制 By user determine 用户定制 Byuser determine 用户定制 Byuser determine DE型: (引线为环氧树脂包封的镀锡钢线) (Cp Leadcoatedwith epoxy resin) 常规尺寸表 Normaldimensiontable 代号 Code Dmax L1max L2min L3 d ±0.05 F ±0.5 DE1 3 6.0 55 用户定制 Byuser determine 5 / DE2 4 7.5 55 用户定制 Byuser determine 5 / F型: (引线为镀锡钢线) (Tinned steelwire) A ll data sheet.com

Trustworthy electronic circuit protection expert Metal Oxide Varistors 常规尺寸表 Normaldimensiontable 代号 Code Dmax L1max ±1.5 d ±0.1 F ±0.05 Tmax MF58玻壳测温型 NTC热敏电阻器系列 MF58 Glassshell Temp Measurement NTC ThermistorSeries 应用范围 取暖炉等)的温度控制与温度检测

  • 办公自动化设备(如复印机,打印机等)的温度检测或温度补 偿
  • 手机电池,电池组
  • 仪表线圈,集成电路,石英晶体振荡器和热电偶的温度补偿
  • Temperature control and examination of household electrical appliance(such as air-condition, microwave oven, induction cooker,toasterfanner,electricheatingandsoon)
  • Temperature examination and compensation of the automaticwork facilities(suchascopycat,printerandsoon)
  • Batteryofmobiletelephone,batterypile
  • Temperature compensation of loops of instrument, integrate circuit,quartzcrystalmonofierand thermocouple. 特点
  • 稳定性好,可靠性高
  • 阻值范围宽,精度高
  • 可在高温和高湿等恶劣环境下使用
  • 体积小,重量轻,结构坚固,便于自动化安装
  • 热感应快,灵敏度高 Characteristics
  • Goodstabilityandsecurity
  • Broadrangeofresistance
  • Capability of operating in the bad envi ronment of high temperature and high humidity because of glassencapsulation framework.
  • Small size, light weight, strong frame, easy automatic installation(ontheprinted-circuitboard)
  • Fastresponse tothetemperature,highdelicacy. 主要技术参数
  • 额定零功率电阻值范围(R25) :0.1~3780KΩ
  • 额定功率:≤50mW Main techno-parameter A ll data sheet.com

Trustworthy electronic circuit protection expert Metal Oxide Varistors

  • The range of resisitance under the rated zero power(R25): 0.1-3780KΩ
  • The rangeof B value: 3100~4500K
  • The allowable tolerance of (label by requirment)B value: ±0.5%,±1%
  • Dissipationfactor:≥2mW/ ℃(in stillair)
  • Thermaltimeconstant:≤20S(instillair)
  • The rangeof operatingtemperature:-55℃~+250℃ Ratedpower: ≤50mW 产品标识说明 Specification 外形结构和尺寸 Dimensions(mm) CWF精密型 NTC温度传感器系列 CWF Precision NTC Temperaturesensor Series 应用范围 风机,洗碗机,消毒柜,洗衣机,烘干机以及中低温干燥箱,恒 温箱等场合的温度测量与控制。

Temperature measurement and contril of household and automobile air-condition, refrigeratory, icebox, water heater, drinking trough, radiator, dishwasher, disinfector, washing machine, drying machine,middle-or-low-temperature drying boxandconstant temperaturebox 特点 采用全新工艺,产品性能稳定,可长期工作 电阻值与 B值精度高,一致性好,可互换 灵敏度高,反应迅速 具有良好的绝缘密封性和抗机械碰撞,抗折弯能力,可靠性高 Characteristics Adopting new technique, steady product performance, capabilityoflongtimeoperating High precision of resistance and B value, good coherence, MF58 502 F 3650 E B值允许偏差代号(根据需要标注) B值:为3650K 标称电阻值:502为5KΩ 型号 The allowable toleranceof(labelbyrequirment) B value;namedly3650K ResistanceToleranceCode:NamelyF; ±1%,G;±2%, RatedResistance:502namely5K Ω Type A ll data sheet.com

Trustworthy electronic circuit protection expert Metal Oxide Varistors interchangecapable. Fast response,highdelicacy Good quality of insulationand package,high capability of collidingandbendingresistanceandhighreliability. 常用品列举 Popular products CWF1(环氧树脂包封)Packedwithepoxy resin 外形尺寸(mm) Dimmension(mm) 代号 Code S1 S2 S3 S4 性能 Function 主要用途 Main application Dmax 4 5 6 7 防潮湿 绝缘性好 可靠性高 时间常数小 反应灵敏 Moisture-proof smalltime constantfast respond 家用空调 冰箱等 House hold air-conditioner refrigerate L1max 16 16 16 16 线材 28# 26# 24# 22# 根据用户要求 Accordingto customer’s requirement CWF2(铝壳,铜壳,不锈钢封装)Packedwithaluminum,copper,stainlessstelletc 外形尺寸(mm) Dimmension(mm) 代号 Code S1 S2 S3 S4 S5 S6 S7 性能 Function 主要用途 Main applicatio n D 4 5 5 5 6 6 6 防潮湿 耗散系数大 结构牢固可靠 稳定性高 Moisture-proof Large coefficient Excellent stability 各类空调, 冰 箱,热水器, 饮水机, 恒温 箱等 House hold air-condition er, refrigerate heator L1 20 20 25 30 20 25 30 根据用户要求 Accordingto customer’s requirement CWF3(塑料壳封装)Packedwithplastic 外形尺寸(mm) Dimmension(mm) 代号 Code S1 S2 S3 S4 性能 Function 主要用途 Main application D 3.5 4 5 6 一致性好 耐温防潮性强 耐电压高 Moisture-proof Excellent coherence Voltage withstand 各类空调 电冰箱等 House hold air-conditioner refrigerate L1 15 15 15 20 根据用户要求 Accordingto customer’s requirement D 4 8 8 L1 10 35 50 根据用户要求 Accordingto customer’s requirement CWF4(加固定金属片)Fixed sheet metaladded 外形尺寸(mm) Dimmension 性能 Function 主要用途 Main application A ll data sheet.com

Trustworthy electronic circuit protection expert Metal Oxide Varistors 外形结构灵活,满足不同场合安 装要求 It canbe meetwithdifferent mountrequirementbecauseof agilitydimmension 风扇控制,工业温控仪表 Fan contiol,industrymeter CWF5(特殊封装)special packedshape 外形尺寸(mm) Dimmension 性能 Function 主要用途 Main application 时间常数小,反应快,使用灵活, 可靠 Smalltime constant,fast respond,stability 用于高温环境,如热水器,咖啡 壶及工业控温。 Appliedinhi-temperature environment,heator,coffee oven,forexample 主要技术参数 Main techno-parameter 产品型号 Part No. 标称电阻值R25 RatedresistanceR25 B值(25/50℃) BValue(25/50℃) 耗散系数 (mW/℃) Dissi,Coef. (mW/℃) 热时间常数 (S) Thermaltime Constant(s) 工作温度 (℃) Operating Temp.(℃) 范围(KΩ) Range(KΩ) 精度(%) Tolerance(%) K 精度(%) Tolerance(%) CWF□□□3100 0.1~20 3100 CWF□□□3270 0.2~20 3270 CWF□□□3380 0.5~50 3380 CWF□□□3470 0.5~50 3470 CWF□□□3600 1~100 3600 CWF□□□3950 5~100 3950 CWF□□□4000 5~100 4000 A ll data sheet.com

Trustworthy electronic circuit protection expert Metal Oxide Varistors CWF□□□4050 5~200 4050 CWF□□□4150 10~250 4150 CWF□□□4300 20~1000 4300 CWF□□□4500 20~1000 4500 A ll data sheet.com