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

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Shenzhen Winsun Technology Co., Ltd.

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

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Brand Name :	WS
Model Number :	WS-MFEL-XXXX
Certification :	SGS
Price :	Negotiation
Payment Terms :	T/T, Western Union,Paypal
Supply Ability :	10000pcs/day
Delivery Time :	3-5 work days

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

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 R25	B value		Tolerance of B value	Max. Power Dissipation At 25°C	Dissipation Factor	Thermal Time constant	Operating temperature range
Part no.	R25 (KΩ)	( ±%)	(K)		(±%)	Pmax(mW)	δ(mW/°C)	τ(Sec.)	(°C)
MFEL－3002-3950	30	1,2,3, 5,10	25/50	3950	1,2,3,5	10	≧2	≦3	-30～+120
MFEL－4702-3950	47		25/50	3950
WS-MFEL－5002-3950	50		25/50	3950

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:

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

R－T characteristic curve
Reliability test

No.	item	standard	Test conditions			specifications
1	Low temperature storage	IEC 60068-2-21	Lowest operating temperature*1000H			No visible damage ∣△R25/R25∣≦ 1%
2	High temperature storage	IEC 60068-2-21	Highest operaing temperature*1000H			No visible damage ∣△R25/R25∣≦ 1%
3	Thermal shock	IEC 60068-2-14	10 cycles			No visible damage ∣△R25/R25∣≦ 1%
			step	temperature(℃)	period(ms)
			1	Low temperature ±5℃	30±3
			2	Room temperature	5±3
			3	High temperature ±5℃	30±3
			4	Room temperature	5±3
			(internal test: 100 cycles)
4	Constant temperature and humidity	IEC 60068-2-3	60℃, 93%±3% RH; 1000H (internal test: 56 days)			No visible damage ∣△R25/R25∣≦ 1%
5	Life test	IEC 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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