High Reliability 20D9 NTC Thermal Resistor Strong Ability To Suppress Surge Current
Brand Name:SG
Certification:VDE，CQC
Model Number:NTC Thermistor
Minimum Order Quantity:Negotiate
Delivery Time:Negotiate
Payment Terms:T/T, L/C
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Location:
Dongguan Guangdong China
Address:
Baisha Sancun Industrial Zone, Humen Town, Dongguan City, Guangdong Province, China
Supplier`s last login times:
within 28 hours
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Product Details
High Reliability 20D9 NTC Thermal Resistor Strong Ability To
Suppress Surge Current
NTC thermistors are generally made of metal oxides such as
manganese, cobalt, nickel and copper, and are manufactured by
ceramic technology. These metal oxides are completely similar to
semiconductor materials such as germanium and silicon in the way of
conduction. When the temperature is low, the number of carriers
(electrons and holes) of these oxide materials is small, and its
resistance is high; when the temperature is high, the number of
carriers (electrons and holes) of the oxide material is large, and
its resistance is low.
The main advantage
1. Small size, no leads, fast response speed, small space occupied
by electronic equipment,
2. Using three-layer electroplating process, it has excellent
solderability and solder resistance, suitable for wave soldering
and reflow soldering, and suitable for high-speed, high-density
surface mount.
Product parameters
| model | Rated zero power | Max.steady State current(A) | Residual Resistance(Ω) | B25/85 (K) | Themal time Constant(s) | Dissipation |
| 1.3D-13 | 1.3 | 7 | 0.089 | 2700 | ≤70 | ≥13 |
| 1.5D-13 | 1.5 | 7 | 0.089 | 2700 | ||
| 2.5D-13 | 2.5 | 6 | 0.108 | 2700 | ||
| 3D-13 | 3 | 6 | 0.145 | 2700 | ||
| 4D-13 | 4 | 5 | 0.146 | 2700 | ||
| 4.7D-13 | 4.7 | 5 | 0.147 | 2800 | ||
| 5D-13 | 5 | 5 | 0.15 | 2800 | ||
| 6D-13 | 6 | 4 | 0.211 | 2800 | ||
| 6.8D-13 | 6.8 | 4 | 0.228 | 3000 | ||
| 7D-13 | 7 | 4 | 0.232 | 3000 | ||
| 8D-13 | 8 | 4 | 0.275 | 3000 | ||
| 10D-13 | 10 | 4 | 0.272 | 3000 | ||
| 12D-13 | 12 | 3 | 0.483 | 3000 | ||
| 15D-13 | 15 | 3 | 0.488 | 3100 | ||
| 16D-13 | 16 | 3 | 0.454 | 3100 | ||
| 18D-13 | 18 | 3 | 0.511 | 3200 | ||
| 20D-13 | 20 | 3 | 0.568 | 3200 | ||
| 22D-13 | 22 | 3 | 0.581 | 3200 | ||
| 25D-13 | 25 | 2 | 0.625 | 3200 | ||
| 30D-13 | 30 | 2 | 0.696 | 3200 | ||
| 33D-13 | 33 | 2 | 0.765 | 3200 | ||
| 47D-13 | 47 | 2 | 1.091 | 3200 | ||
| 50D-13 | 50 | 2 | 1.161 | 3200 |
Technical Specification
Body diameter Φ40mm
| P/N | R25±20%(Ω) | Thermal sensitive index B±10%(K) | Max steady state current Imax(A) | Approx R of Max current Rmax(Ω) | Max power dissipation Pmax(W) | Thermal time constant (mW/C) | Thermal time constant (s) | Max impulse capacitance (uF)240VAC |
| MF73-0.2/50 | 0.2 | 2600 | 50 | 0.007 | 25 | ≥55 | ≤350 | 8000 |
| MF73-0.5/40 | 0.5 | 2600 | 40 | 0.008 | 6800 | |||
| MF73-3/28 | 3 | 2800 | 28 | 0.02 | 6800 | |||
| MF73-5/25 | 5 | 3000 | 25 | 0.028 | 4700 | |||
| MF73-8/20 | 8 | 3200 | 20 | 0.034 | 3300 | |||
| MF73-10/19 | 10 | 3200 | 19 | 0.038 | 3300 |
Body diameter Φ45mm
| P/N | R25±20%(Ω) | Thermal sensitive index B±10%(K) | Max steady state current Imax(A) | Approx R of Max current Rmax(Ω) | Max power dissipation Pmax(W) | Thermal time constant (mW/C) | Thermal time constant (s) | Max impulse capacitance (uF)240VAC |
| MF73-0.2/65 | 0.2 | 2600 | 65 | 0.006 | 30 | ≥70 | ≤480 | 11500 |
| MF73-0.5/50 | 0.5 | 2600 | 50 | 0.007 | 8000 | |||
| MF73-2/40 | 2 | 2600 | 40 | 0.012 | 8000 | |||
| MF73-5/30 | 5 | 3000 | 30 | 0.025 | 6800 | |||
| MF73-10/24 | 10 | 3200 | 24 | 0.032 | 4700 |
Body diameter Φ50mm
| P/N | R25±20%(Ω) | Thermal sensitive index B±10%(K) | Max steady state current Imax(A) | Approx R of Max current Rmax(Ω) | Max power dissipation Pmax(W) | Thermal time constant (mW/C) | Thermal time constant (s) | Max impulse capacitance (uF)240VAC |
| MF73-0.2/80 | 0.2 | 2600 | 80 | 0.004 | 36 | ≥90 | ≤650 | 15000 |
| MF73-0.5/60 | 0.5 | 2600 | 60 | 0.006 | 11500 | |||
| MF73-1/56 | 1 | 2600 | 56 | 0.008 | 11500 | |||
| MF73-3/40 | 3 | 2800 | 40 | 0.015 | 11500 | |||
| MF73-5/35 | 5 | 3000 | 35 | 0.022 | 8000 | |||
| MF73-6.8/32 | 6.8 | 3000 | 32 | 0.025 | 8000 | |||
| MF73-10/27 | 10 | 3200 | 27 | 0.03 | 6800 |
Product Process
High Reliability 20D9 NTC Thermal Resistor Strong Ability To Suppress Surge Current
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