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20kR 30kR 47kR 50kR / Ohm Ntc Ptc Thermistor With Body Size 2x4mm
20kR 30kR 47kR 50kR / Ohm Ntc Ptc Thermistor With Body Size 2x4mm
20kR 30kR 47kR 50kR / Ohm Ntc Ptc Thermistor With Body Size 2x4mm
20kR 30kR 47kR 50kR / Ohm Ntc Ptc Thermistor With Body Size 2x4mm
Specifications
Brand Name :
WS
Model Number :
WS-MFB-xxxx
Certification :
SGS
Place of Origin :
Shenzhen of China
MOQ :
1000pcs
Price :
Lowest price
Payment Terms :
T/T, Western Union,Paypal
Supply Ability :
1000000pcs/day
Delivery Time :
3-5 work days
Packaging Details :
plastic bag or reel + carton
Color :
Red
resistance :
20/30/47/50 Kohm
B value :
3950 & 4200k
Delivery :
Fast
SIZE :
2X4MM
Description

20kR 30kR 47kR 50kR / ohm Glass Sealed NTC Thermistor with body size 2x4mm

Features:

1. Body sizeΦ2mm X 4mm
2. resistance range: 20kR 30kR 47kR 50kR / ohm
3. B value range: 3920&4200k
4. -40 ~ +300℃ operating temperature range
5. Agency recognition:UL/cUL
6. RoHS compliant

Recommended applications

Rice cooker, microwave oven, electric cooker, coffee pot, electric blanket, soy sauce pot, toaster etc.

Code number and specifications:

20kR 30kR 47kR 50kR / Ohm Ntc Ptc Thermistor With Body Size 2x4mm

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
R25 (KΩ) ( ±%) (K) (±%) Pmax(mW) δ(mW/°C) τ(Sec.) (°C)
WS-MFB－2002-3950 20 1,2,3,5,10 25/50 3950 1,2,3,5 100 ≧2 ≦9 -40～+300
WS-MFB－2002-4200 20 25/50 4200
WS-MFB－3002-3950 30 25/50 3950
WS-MFB－4702-3950 47 25/50 3950
WS-MFB－5002-3950 50 25/50 3950

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

R－T characteristic curve:

20kR 30kR 47kR 50kR / Ohm Ntc Ptc Thermistor With Body Size 2x4mm

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∣≦ 2%
2 High temperature storage IEC 60068-2-21 Highest operaing temperature*1000H No visible damage
∣△R25/R25∣≦ 3%
3 Thermal shock IEC 60068-2-14 10 cycles No visible damage
∣△R25/R25∣≦ 2%
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∣≦ 2%
5 Life test IEC 60539-1
4.26		 25±5℃, Pmax; 1000hrs
(internal test: 56 days)		 No visible damage
∣△R25/R25∣≦ 3 %

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

Payment and Shipping:

1, Lead time about 3~5 days.

2, Payment: T/T; Western union; Paypal .

3, Shipping: by DHL, Fedex, TNT, UPS, EMS ect


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

Product tags

ntc 5d 11 thermistor

,

ntc ptc thermistor

,

ptc ntc thermistor
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20kR 30kR 47kR 50kR / Ohm Ntc Ptc Thermistor With Body Size 2x4mm

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Product Detail
Brand Name :
WS
Model Number :
WS-MFB-xxxx
Certification :
SGS
Place of Origin :
Shenzhen of China
MOQ :
1000pcs
Price :
Lowest price
Contact Supplier
20kR 30kR 47kR 50kR / Ohm Ntc Ptc Thermistor With Body Size 2x4mm
20kR 30kR 47kR 50kR / Ohm Ntc Ptc Thermistor With Body Size 2x4mm

Shenzhen Winsun Technology Co., Ltd.

Active Member
9 Years
guangdong, shenzhen
Since 2011
Business Type :
Manufacturer, Agent
Main Products :
Fixed Inductor, Power Inductor, Wire Wound Inductor
Total Annual :
25000000-28000000
Employee Number :
286~300
Certification Level :
Active Member
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