NTC 100k Thermistor With Diameter3.5mm , Temperature Sensor Thermistor
Brand Name:WS
Certification:SGS
Model Number:WS-MFEB-1-xxxx
Minimum Order Quantity:1000pcs
Delivery Time:3-5 work days
Payment Terms:T/T, Western Union,Paypal
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Location:
Shenzhen Guangdong China
Address:
311EF, B Buliding, Zhengzhong Time Square, Longgang District, Shenzhen City, China.
Supplier`s last login times:
within 41 hours
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Product Details
Epoxy Sealed NTC Thermistor with body size 3.5mm diameter from 1K
ohm to 500K ohm
|
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-1－5001-3550 | 5 | 1,2,3, 5,10 | 25/50 | 3550 | 1,2,3,5 | 10 | ≧2 | ≦3 | -30～+120 |
| WS-MFEB-1－1002-3550 | 10 | 25/50 | 3550 | ||||||
| MFEB-1－1002-3950 | 10 | 25/50 | 3950 | ||||||
| WS-MFEB-1－1002-3435 | 10 | 25/85 | 3435 | ||||||
| WS-MEFB-1－1002-3270 | 10 | 25/85 | 3270 | ||||||
| WS-MFEB-1－1002-3700 | 10 | 25/85 | 3700 | ||||||
| MFEB-1－1002-3470 | 10 | 25/85 | 3470 | ||||||
| WS-MFEB-1－1002-3975 | 10 | 25/85 | 3975 | ||||||
| WS-MFEB-1－2002-3950 | 20 | 25/50 | 3950 | ||||||
| WS-MFEB－2002-4200 | 20 | 25/50 | 4200 | ||||||
| WS-MFEB-1－3002-3950 | 30 | 25/50 | 3950 | ||||||
| WS-MFEB-1－4702-3950 | 47 | 25/50 | 3950 | ||||||
| WS-MFEB-1－5002-3950 | 50 | 25/50 | 3950 | ||||||
| WS-MFEB-1－1003-3950 | 100 | 25/50 | 3950 | ||||||
| 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
operating currentIn 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
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NTC 100k Thermistor With Diameter3.5mm , Temperature Sensor Thermistor
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