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Electric Blanket NTC Thermistor With Enameled Wire , Epoxy Sealed 50k Thermistor

Shenzhen Winsun Technology Co., Ltd.
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Address: 311EF, B Buliding, Zhengzhong Time Square, Longgang District, Shenzhen City, China.

Contact name:Angel Sun

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Shenzhen Winsun Technology Co., Ltd.

Electric Blanket NTC Thermistor With Enameled Wire , Epoxy Sealed 50k Thermistor

Country/Region china
City & Province shenzhen guangdong
Categories Solar Chargers
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Product Details

Size 1.1x2.2mm Epoxy Sealed NTC Thermistor with enameled wire from 30K ohm 47K ohm 50K ohm / R

 

 
Features:
1. Body size: Φ1.1mm X2.0mm
2. resistance range: 30Kohm /47Kohm/50Kohm
3. B value range; 3950K
4. -30 ~ +120℃operating temperature range
5. RoHS compliant
 
Recommended applications
 rice cooker, microwave oven, electric cooker, coffee pot, electric blanket, soy sauce pot, toaster etc.
 

 

Characteristics:

Part no.Zero power resistance
@ 25°C
Tolerance of R25B valueTolerance of B valueMax. Power Dissipation
At 25°C
Dissipation FactorThermal
Time constant
Operating temperature range
R25 (KΩ)( ±%)(K)(±%)Pmax(mW)δ(mW/°C)τ(Sec.)(°C)
MFEL-3002-3950301,2,3,
5,10
25/5039501,2,3,510≧2≦3-30~+120
MFEL-4702-39504725/503950
WS-MFEL-5002-39505025/503950

Ps.:can be tailored according to clients’ demand

operating currentIn order to make the test more accurate, the running current should be as less as possible. The following formula is suggested:
I=sqrt(0.005δT^2/(B*R))
PS.:1.sqrt is for square root
2. δ is for dissipation constant in mW/℃
3. T is for temperature in Kelvins
4. B is for the index of the thermal sensitivity
5. R is for zero-power resistance in KOHM
6. Final current is in mA

 

 

Code number and specifications:
 
 
 
 Dimensions:
 
 

 

 

R-T characteristic curve
Reliability test

No.itemstandardTest conditionsspecifications
1Low temperature storageIEC 60068-2-21Lowest operating temperature*1000HNo visible damage
∣△R25/R25∣≦ 1%
2High temperature storageIEC 60068-2-21Highest operaing temperature*1000HNo visible damage
∣△R25/R25∣≦ 1%
3Thermal shockIEC 60068-2-1410 cycles  No visible damage
∣△R25/R25∣≦ 1%
steptemperature(℃)period(ms)
1Low temperature
±5℃
30±3
2Room temperature5±3
3High temperature
±5℃
30±3
4Room temperature5±3
(internal test: 100 cycles)
4Constant temperature and humidityIEC 60068-2-360℃, 93%±3% RH; 1000H
(internal test: 56 days)
No visible damage
∣△R25/R25∣≦ 1%
5Life testIEC 60539-1
4.26
25±5℃, Pmax; 1000hrs
(internal test: 56 days)
No visible damage
∣△R25/R25∣≦ 1 %

● storage conditions:
1. storage temperature: -10℃~+40℃
2. relative humidity:≦75%RH
● Period of Storage:one year
 
 

Contact: Angel Sun
Tel: +86-13528847020
Email: Admin@winsunhk.cn
Skype: Angelsun618
Whatsapp: 13528847020
Wechat: 13528847020
QQ: 553695308

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