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| Categories | NTC Thermistor |
|---|---|
| Brand Name: | WS |
| Model Number: | WS-MFEB-1-xxxx |
| Certification: | SGS |
| Place of Origin: | Shenzhen of China |
| MOQ: | 1000pcs |
| Price: | Negotiation |
| 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 |
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
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