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Fast Response Power Type NTC ThermistorHigh Power Handling
Capability For Power Supplies And Inverters
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.
Features
• Small Size and fast response
• High Power handling capability
• Fast response to surge current
• High material constant (B value)
• Low residual resistance
• Wide operating temperature range -55 to +200C
• R25 allowable tolerance is ±20%
• Long-term Stability and Reliability
Applications:
Can be installed into the power circuits of:
• Power supplies and inverters
• Uninterruptible Power Supplies
• Energy saving lamps
• Electronic Ballasts
• Filament Protection of various types of lamps
• Some types of heaters
• For higher power circuits ask about the MF73
and MF74 series surge suppressors.
Material: | Synthetic Film | Power Characteristics: | Medium Power |
Allow Tolerance: | ±10(%) | Shape: | Flat Sheet |
Temperature Coefficient: | NTC | ||
Frequency Characteristics: | Medium Frequency |
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.