Product Details:
Payment & Shipping Terms:
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| Color: | Red | Material: | Glass & Chip |
|---|---|---|---|
| Quality: | High Quality | Delivery: | Fast |
| Price: | Lowest Price | Shipping: | By DHL, FEDEX, TNT ,UPS,EMS Ect. |
| High Light: | ntc type thermistor,10k ntc thermistor |
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High Stability DIP Glass Sealed NTC Thermistor from 500 R / ohm to 2 MR / ohm
Features: |
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－5000-3220 | 0.5 | 1,2,3,5,10 | 25/50 | 3200 | 1,2,3,5 | 100 | ≧2 | ≦9 | -40～+300 |
| WS-MFB－5001-3470 | 5 | 25/50 | 3470 | ||||||
| WS-MFB－1002-3270 | 10 | 25/50 | 3270 | ||||||
| WS-MFB－1002-3435 | 10 | 25/85 | 3435 | ||||||
| WS-MFB－1002-3470 | 10 | 25/85 | 3470 | ||||||
| WS-MFB－1002-3550 | 10 | 25/50 | 3550 | ||||||
| WS-MFB－1002-3700 | 10 | 25/85 | 3700 | ||||||
| WS-MFB－1002-3950 | 10 | 25/50 | 3950 | ||||||
| WS-MFB－1002-3975 | 10 | 25/85 | 3975 | ||||||
| WS-MFB－2002-3950 | 20 | 25/50 | 3950 | ||||||
| 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 | ||||||
| WS-MFB－9862-4300 | 98.63 | 100/200 | 4300 | ||||||
| WS-MFB－1003-3950 | 100 | 25/50 | 3950 | ||||||
| WS-MFB－1003-4000 | 100 | 25/50 | 4000 | ||||||
| WS-MFB－1003-4300 | 100 | 25/85 | 4300 | ||||||
| WS-MFB－2003-4200 | 200 | 25/50 | 4200 | ||||||
| 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 | ||||||
| WS-MFB－1004-4400 | 1000 | 25/50 | 4400 | ||||||
| WS-MFB－1384-4400 | 1388 | 25/50 | 4400 | ||||||
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∣≦ 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
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