Shenzhen Winsun Technology Co., Ltd.
| 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 | 200KR & 231KR |
| B value | 4200-4537K |
| Delivery | Fast |
| Shipping | By DHL, FEDEX, TNT ,UPS,EMS ect. |
| Brand Name | WS |
| Model Number | WS-MFB |
| Certification | SGS |
| Place of Origin | Shenzhen of China |
View Detail Information
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Product Specification
| 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 | 200KR & 231KR |
| B value | 4200-4537K | Delivery | Fast |
| Shipping | By DHL, FEDEX, TNT ,UPS,EMS ect. | Brand Name | WS |
| Model Number | WS-MFB | Certification | SGS |
| Place of Origin | Shenzhen of China | ||
| High Light | ntc type thermistor ，ntc power thermistor | ||
High Stability DIP Glass Sealed NTC Thermistor 200KR and 231KR / ohm with 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－2003-4200 | 200 | 1,2,3,5,10 | 25/50 | 4200 | 1,2,3,5 | 100 | ≧2 | ≦9 | -40～+300 |
| WS-MFB－2003-4300 | 200 | 25/85 | 4300 | ||||||
| WS-MFB－2003-4500 | 200 | 25/85 | 4500 | ||||||
| WS-MFB－2313-4537 | 231 | 100/200 | 4537 | ||||||
| WS-MFB－2003-4260 | 200 | 25/50 | 4260 | ||||||
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 sizeΦ2mm X 4mm
2. resistance range: 200kohm 231Kohm
3. B value range: 4200～6000K
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.
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∣≦ 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
Company Details
Business Type:
Manufacturer,Agent
Year Established:
2011
Total Annual:
25000000-28000000
Employee Number:
286~300
Ecer Certification：
Active Member
Winsun Technology,located in Shenzhen, belongs to Hong Kong winsun group company, is the top professional Electronic Component manufacturer. The founder of Shenzhen manufactory has about 20 years experience in Electronic Components. We have 20000sqm capacitor and inductor workshop, 300 workers, auto... Winsun Technology,located in Shenzhen, belongs to Hong Kong winsun group company, is the top professional Electronic Component manufacturer. The founder of Shenzhen manufactory has about 20 years experience in Electronic Components. We have 20000sqm capacitor and inductor workshop, 300 workers, auto...
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