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Safety NTC Thermistor Blue 3.5mm Diameter 47K Ohm And 50K Ohm / R

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Shenzhen Winsun Technology Co., Ltd.

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Safety NTC Thermistor Blue 3.5mm Diameter 47K Ohm And 50K Ohm / R

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Brand Name :	WS
Model Number :	WS-MFEB-1-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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Product Details
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Safety NTC Thermistor Blue 3.5mm Diameter 47K Ohm And 50K Ohm / R

Black Epoxy Sealed NTC Thermistor with body size 3.5mm diameter 47K ohm and 50K ohm / R

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)
WS-MFEB-1－4702-3950	47	1,2,3, 5,10	25/50	3950	1,2,3,5	10	≧2	≦3	-30～+120
WS-MFEB-1－5002-3950	50	1,2,3, 5,10	25/50	3950	1,2,3,5	10	≧2	≦3	-30～+120

Ps.:can be tailored according to clients’ demand

Operating current

In 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

Features:
1. Body size: Φ3.5mm
2. resistance range:1K OHM～500k OHM
3. B value range:3200～4400K
4. -30 ~ +120℃operating temperature range
5. RoHS compliant

Recommended applications
Temperature sensor,home electronics,electronic clock,electric table-board,automobile electrics,CPU fan etc

Code number and specifications:

Safety NTC Thermistor Blue 3.5mm Diameter 47K Ohm And 50K Ohm / R

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

Safety NTC Thermistor Blue 3.5mm Diameter 47K Ohm And 50K Ohm / R

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