Shenzhen Winsun Technology Co., Ltd.
| Payment Terms | T/T, Western Union,Paypal |
| Supply Ability | 100000pcs/day |
| Delivery Time | 3-5 work days |
| Packaging Details | plastic bag + carton |
| Body size | Φ3.5mm |
| Reistiance | 100Kohm & 200Kohm |
| B value | 3975～4200K |
| storage temperature | -10 ~ +40℃ |
| Color | black |
| Shipping model | By air or sea |
| Brand Name | WS |
| Model Number | WS-MFEB-1-xxxx |
| Certification | SGS |
| Place of Origin | Shenzhen of China |
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Product Specification
| Payment Terms | T/T, Western Union,Paypal | Supply Ability | 100000pcs/day |
| Delivery Time | 3-5 work days | Packaging Details | plastic bag + carton |
| Body size | Φ3.5mm | Reistiance | 100Kohm & 200Kohm |
| B value | 3975～4200K | storage temperature | -10 ~ +40℃ |
| Color | black | Shipping model | By air or sea |
| Brand Name | WS | Model Number | WS-MFEB-1-xxxx |
| Certification | SGS | Place of Origin | Shenzhen of China |
| High Light | ntc type thermistor ，ntc power thermistor | ||
Black Epoxy Sealed NTC Thermistor with body size 3.5mm diameter 100K ohm and 200K 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 | |
| R25 (KΩ) | ( ±%) | (K) | (±%) | Pmax(mW) | δ(mW/°C) | τ(Sec.) | (°C) | ||
| WS-MFEB-1－1003-3950 | 100 | 1,2,3, 5,10 | 25/50 | 3950 | 1,2,3,5 | 10 | ≧2 | ≦3 | -30～+120 |
| WS-MFEB-1－1003-4000 | 100 | 25/50 | 4000 | ||||||
| WS-MFEB-1－1005-3975 | 100 | 25/85 | 3975 | ||||||
| WS-MFEB-1－1003-4300 | 100 | 25/85 | 4300 | ||||||
| WS-MFEB-1－2003-4000 | 200 | 25/85 | 4000 | ||||||
| WS-MFEB-1－2003-4200 | 200 | 25/85 | 4200 | ||||||
| WS-MFEB-1－2003-4300 | 200 | 25/85 | 4300 | ||||||
| WS-MFEB-1－2003-3950 | 200 | 25/50 | 3950 | ||||||
| WS-MFEB-1－2003-4200 | 200 | 25/50 | 4200 | ||||||
Ps.:can be tailored according to clients’ demand
Features:
1. Body size: Φ3.5mm
2. resistance range:100Kohm 200Kohm
3. B value range:3975～4200K
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
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:
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
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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