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Epoxy NTC Thermistor Outdoor Thermistor Black NTC Thermistor 50d-11
NTC negative temperature coefficient thermistor working principle
NTC is the abbreviation of Negative Temperature Coefficient, which means a negative temperature coefficient, and generally refers to semiconductor materials or components with a large negative temperature coefficient. The so-called NTC thermistor is a negative temperature coefficient thermistor. It is made of metal oxides such as manganese, cobalt, nickel and copper as the main materials, and is manufactured by ceramic technology. These metal oxide materials all have semiconductor properties, because they are completely similar to semiconductor materials such as germanium and silicon in terms of conductivity. When the temperature is low, the number of carriers (electrons and holes) in these oxide materials is small, so its resistance value is high; as the temperature increases, the number of carriers increases, so the resistance value decreases. The variation range of NTC thermistor at room temperature is 100~1,000,000 ohms, and the temperature coefficient is -2%~-6.5%. NTC thermistors can be widely used in temperature measurement, temperature control, temperature compensation, etc.
model | Rated zero power resistance R25 (Ω) | Max.steady State current(A) | Residual Resistance(Ω) | B25/85 (K) | Themal time Constant(s) | Dissipation factor(mw/℃) |
1D-11 | 1 | 5 | 0.121 | 2600 | ≤55 | ≥13 |
1.5D-11 | 1.5 | 5 | 0.126 | 2600 | ||
2D-11 | 2 | 5 | 0.141 | 2700 | ||
2.5D-11 | 2.5 | 5 | 0.126 | 2700 | ||
3D-11 | 3 | 5 | 0.126 | 2700 | ||
4D-11 | 4 | 4 | 0.2 | 2700 | ||
5D-11 | 5 | 4 | 0.205 | 2700 | ||
6D-11 | 6 | 3 | 0.298 | 2700 | ||
7D-11 | 7 | 3 | 0.282 | 2800 | ||
8D-11 | 8 | 3 | 0.259 | 2800 | ||
10D-11 | 10 | 3 | 0.268 | 2800 | ||
12D-11 | 12 | 2 | 0.347 | 2800 | ||
15D-11 | 15 | 2 | 0.485 | 3000 | ||
16D-11 | 16 | 2 | 0.5 | 3000 | ||
18D-11 | 18 | 2 | 0.545 | 3000 | ||
20D-11 | 20 | 2 | 0.59 | 3000 | ||
22D-11 | 22 | 2 | 0.5903 | 3000 | ||
25D-11 | 25 | 1.5 | 0.602 | 3000 | ||
30D-11 | 30 | 1.5 | 0.722 | 3000 | ||
33D-11 | 33 | 1.5 | 0.795 | 3000 | ||
47D-11 | 47 | 1.5 | 1.165 | 3200 | ||
50D-11 | 50 | 1.5 | 1.241 | 3200 |
Part No. | R25℃ (KΩ) | B(K) 25/50℃ | Rated Power @25℃(mW) | Dissipation Factor(δ) (mW/℃) | Thermal time Constant (S) |
TS502□3274A | 5.0 | 3274 | 10-20 | 2-4 | 5-20 |
TS502□3435B | 5.0 | 3435 | 10-20 | 2-4 | 5-20 |
TS502□3470A | 5.0 | 3470 | 10-20 | 2-4 | 5-20 |
TS502□3950A | 5.0 | 3950 | 10-20 | 2-4 | 5-20 |
TS103□3274A | 10.0 | 3274 | 10-20 | 2-4 | 5-20 |
TS103□3435B | 10.0 | 3435 | 10-20 | 2-4 | 5-20 |
TS103□3470A | 10.0 | 3470 | 10-20 | 2-4 | 5-20 |
TS103□3950A | 10.0 | 3950 | 10-20 | 2-4 | 5-20 |
TS103□4100A | 10.0 | 4100 | 10-20 | 2-4 | 5-20 |
TS153□3950A | 15.0 | 3950 | 10-20 | 2-4 | 5-20 |
TS153□4100A | 15.0 | 4100 | 10-20 | 2-4 | 5-20 |
TS203□3950A | 20.0 | 3950 | 10-20 | 2-4 | 5-20 |
TS203□4100A | 20.0 | 4100 | 10-20 | 2-4 | 5-20 |
TS223□4200A | 22.0 | 4200 | 10-20 | 2-4 | 5-20 |
TS403□3928A | 40.0 | 3928 | 10-20 | 2-4 | 5-20 |
TS503□3950A | 50.0 | 3950 | 10-20 | 2-4 | 5-20 |
TS503□4100A | 50.0 | 4100 | 10-20 | 2-4 | 5-20 |
TS104□3950A | 100.0 | 3950 | 10-20 | 2-4 | 5-20 |
TS104□4100A | 100.0 | 4100 | 10-20 | 2-4 | 5-20 |
TS104□4400A | 100.0 | 4400 | 10-20 | 2-4 | 5-20 |
Negative temperature coefficient thermistor, also known as NTC
thermistor, is a kind of sensor resistance whose resistance value
decreases with the increase of temperature. Widely used in various
electronic components, such as temperature sensors, resettable
fuses and self-adjusting heaters, etc.