Categories | NTC Thermistor |
---|---|
Brand Name: | WS |
Model Number: | WS-MFEP-XXXX |
Certification: | SGS |
Place of Origin: | Shenzhen of China |
MOQ: | 1000pcs |
Price: | Negotiation |
Payment Terms: | T/T, Western Union,Paypal |
Supply Ability: | 10000pcs/day |
Delivery Time: | 3-5 work days |
Packaging Details: | plastic bag + carton |
Body size: | 4.5X25mm,4.5X50mm,4.5X75mm |
Reistiance: | 10K |
B value: | 3380-3950K |
Storage Temperature: | -10 ~ +40℃ |
Period of Storage: | One year |
shipment: | By air & sea |
Yellow Film sealed NTC Thermistor with enameled wire 10K ohm / R with body size 4.5X25mm
Features:
1. Body size: 4.5X25mm,4.5X50mm,4.5X75mm
2. resistance range:10K OHM
3. B value range:3380~3975K
4. -30 ~ +100℃operating temperature range
5. RoHS compliant
Recommended applications
Computer ,Printer ,Home appliances ,Narrow temperature detecting
space etc
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-MFEP-1002-3950 | 10 | 1,2,3, 5,10 | 25/50 | 3950 | 1,2,3,5 | 10 | ≧2 | ≦3 | -30~+120 |
WS-MFEP-1002-3435 | 10 | 25/85 | 3435 | ||||||
WS-MFEP-1002-3470 | 10 | 25/85 | 3470 | ||||||
WS-MFEP-1002-3975 | 10 | 25/85 | 3975 |
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
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
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
Code number and specifications:
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