Disk Negative Temperature Coefficient Thermistor NTC 5mm 470 OHM
For Car Engine Coolant Temperature Sensor
Using the NTC thermistor with a car can monitor the temperature of
the engine coolant in the car engine cylinder and process the
signal of the electronic control unit (ECU, ElectronicControlunit),
which is a component in the car engine. During the operation of the
car engine, not only must it ensure that the temperature
measurement response speed is fast and the temperature is accurate,
but the real -time temperature must be provided accurately to the
electronic control unit. To this end, AMPFORT automobiles use NTC
thermistor resistance. The structure is relatively simple, the
response speed is fast, and the sensitivity is relatively high. It
can be used in real -time temperature monitoring during the
operation of the automotive engine.
In order to make the temperature monitoring effect of NTC heat
-sensitive resistance, thermistor is generally installed into
sensors, which contains metal shells, thermal conductivity filling,
NTC thermistor, and interpretation. The metal shell is equipped
with a sealed inner cavity, and the inner cavity is encapsulated
with heat -conducting filling; the thermal conductivity filling is
embedded with NTC thermal resistance; the interpretation of the
output signal is set on the upper end of the metal shell. The lower
end of the plug -in and the NTC thermistor is connected by the
wire, and the exterior of the wire has an insulating layer. The
metal shell is integrated, with good sealing, and the inner wall of
the shell is an insulating layer, which can prevent leakage. The
thermal filling filling is a solid thermal conductivity, which is
used to pass the external water temperature to the NTC thermistor,
and can fix the NTC thermistor to make it have a good temperature
measurement environment and improve the accuracy of measurement.
The use of automotive NTC heat -sensitive resistance to measure the
water temperature of the car can provide useful information and
judgment data for the electronic control unit, and its structure is
relatively simple and the production efficiency is high. The NTC
thermistor chip used in thermistor is used. This chip is a
temperature sensitivity element. When the temperature decreases,
its resistance value increases, and the resistance value is
reduced. The output of thermist chip is an analog signal, which
measures the temperature output temperature of the car water. The
thermist chip can be voltage by DC 12V, with small power
consumption, no drift in temperature output, high accuracy, and
fast temperature response.
AMPFORT uses NTC thermal resistance. Because of its high
-precision, good heat -resistant cycle capacity, and high
stability, it is widely used in cars, motorcycles, and ships as
temperature monitoring and temperature control components.
- Temperature measurement and compensation
- Internal combustion locomotive
- large motor
- oil soaking transformer
- Front surfaces silver-plated
- For clamp contacting
- Alternative resistance ratings, rated temperatures, resistance
tolerances and disk geometries available on request.
- The nominal resistance value and B value error range are small,
the product consistency and interchangeability are good, which can
be supported by various domestic and imported car instruments.
1.Dimension
1.1,The thermistor base is a semiconductor made of manganese oxide,
cobalt oxide, nickel oxide and other materials sintered at high
temperature, and the surface of the resistor is infiltrated with
electronic silver paste as an electrode;
1.2,The surface is smooth, without deformation and defect; the
silver layer is bright, without flow marks or exposed bottom or
accumulation
2. The main parameters of the resistor meet the requirements in
Table 1 below
| Temperature(℃) | Resistance(Ω) | Allowable deviation(Ω) | Remark |
| *25±0.1 | 470 | -- | 1.Temperature with”*” is key control temperature point;2.Key
control temperature point can be confirmed by customer. |
| *80±0.1 | 58.5 | ±5 |
| *100±0.1 | 33.5 | ± |
2.1 Dissipation coefficient:≥ 11mW/℃
2.2 Thermal time constant:≤ 60s
2.3 Max. Power: 220mW
2.4 Test power: ≤ 0.1mW
2.5 Operating temperature range:(-55~+155)℃
3.Reliability
3.1 High temperature storage: After the resistor is placed in an
electric heating oven at (150±5)℃ for 200 hours, the surface
electrode of the resistor has no yellowing or discoloration, and
the change rate of its zero-power resistance value is ≤ ±2.5%;
3.2 Temperature shock: resistance -40℃ 30min → +25℃ 5min → 150℃
30min → 25℃ 5min for 5 cycles, the change rate of zero-power
resistance value is ≤ ±2.5%;
3.3 Low-temperature storage: After the resistance is stored in a
low-temperature box at -40℃ for 200 hours, the electrode has no
yellowing or discoloration, and the change rate of its zero-power
resistance value is ≤ ±2.5%;
4.Common car temperature sensor standard numerical reference list
4.1 GM Buick Excelle Car
| C | F | Engine coolant temperature sensor | Inlet temperature sensor |
| OHM |
| Temperature Resistance (approximation) |
| 100 | 212 | 177 | 187 |
| 90 | 194 | 241 | 246 |
| 80 | 176 | 332 | 327 |
| 70 | 158 | 467 | 441 |
| 60 | 140 | 667 | 603 |
| 50 | 122 | 973 | 837 |
| 45 | 113 | 1188 | 991 |
| 40 | 104 | 1459 | 1180 |
| 35 | 95 | 1802 | 1412 |
| 30 | 86 | 2238 | 1700 |
| 25 | 77 | 2796 | 2055 |
| 20 | 68 | 3520 | 2500 |
| 15 | 59 | 4450 | 3055 |
| 10 | 50 | 5670 | 3760 |
| 5 | 41 | 7280 | 4651 |
| 0 | 32 | 9420 | 5800 |
| -5 | 23 | 12300 | 7273 |
| -10 | 14 | 16180 | 9200 |
| -15 | 5 | 21450 | 9200 |
| -20 | -4 | 28680 | 15080 |
| -30 | -22 | 52700 | 25600 |
| -40 | -40 | 100700 | 45300 |
4.2Chery QQ
| Temperature(C) | Standard Value(ohm) |
| 50 | 740~900 |
| 60 | 540~650 |
| 70 | 390~480 |
| 80 | 290~360 |
| 90 | 210~270 |
| 100 | 160~200 |
4.3 CHERY Cowin
| Temperature(C) | Standard Value(ohm) |
| 20~30 | 3560~2260 |
| 90~100 | 120~180 |
4.4 Chery Eastar
| Temperature(C) | Standard Value(ohm) |
| 20 | 2.1~2.7 |
| 80 | 0.26~0.36 |
4.5 Chery Fulwin
| Temperature(C) | Standard Value(ohm) |
| 0 | 9.4 |
| 20 | 3.51 |
| 40 | 1.456 |
| 60 | 0.67 |
| 80 | 0.334 |
| 100 | 0.178 |
4.6 Dongfeng Nissan Sunny
| Temperature(C) | Standard Value(ohm) |
| 20 | 2.1~2.9 |
| 50 | 0.68~1.00 |
| 90 | 0.24~0.26 |
4.7 Dongfeng Peugeot Citroen
| Temperature(C) | Standard Value(ohm) |
| 10 | 3530~4100 |
| 20 | 2350~2670 |
| 40 | 1085~1230 |
| 60 | 540~615 |
| 80 | 292~326 |
| 100 | 165~190 |
4.8 Guangzhou Honda Accord (2.0L/2.3L)
| Temperature(C) | Standard Value(ohm) |
| Engine up to normal operate temperature | 200~400 |
4.9 Mazda M6
| Temperature(C) | Standard Value(ohm) |
| 20 | 35.48~39.20 |
| 70 | 5.07~5.60 |
| 80 | 3.65~4.02 |
4.10 Fia Terio and Siena
| Temperature(C) | Standard Value(ohm) |
| -20 | 15.97 |
| 0 | 5.975 |
| 20 | 2.5 |
| 40 | 1.15 |
| 60 | 0.576 |
| 80 | 0.309 |
| 100 | 0.176 |
4.11 Beijing Hyundai Sonata
| Coolant Temperature(C) | Standard Value(Kohm) |
| 0 | 5.9 |
| 20 | 2.5 |
| 40 | 1.1 |
| 80 | 0.3 |
4.12 Beijing Hyundai Elantra
| Temperature(C) | Standard Value(v) |
| 0 | 3.7~4.3 |
| 20 | 3.2~3.6 |
| 40 | 2.4~3 |
| 80 | 1.0~1.5 |
4.13 KIA MAXIMA
| Temperature(C) | Standard Value(ohm) |
| -30 | 22.22~31.78 |
| -10 | 8.16~10.74 |
| 0 | 5.18~6.60 |
| 20 | 2.27~2.73 |
| 40 | 1.059~1.081 |
| 60 | 0.538~0.650 |
| 80 | 0.298~0.322 |
| 90 | 0.219~0.243 |
4.14 Volkswagen Passat car series (1.8T, 1.8L)
4.15 Hong Qi Red Flag Century Star
| Coolant Temperature(C) | Standard Value(Kohm) |
| 20 | 2.5 |
| 80 | 0.3 |
4.16 Nissan Teana (VQ35DE/VQ23DE)
| Temperature(C) | Standard Value(ohm) |
| 20 | 2.1~2.9 |
| 50 | 0.68~1.00 |
| 90 | 0.236~0.26 |
4.17 Nissan Fuga
| Temperature C(F) | Standard Value(Kohm) |
| 20(68) | 2.1~2.9 |
| 50(122) | 0.68~1.00 |
| 90(194) | 0.236~0.260 |
4.18 Toyota Crown
| Temperature(C) | Standard Value(Kohm) |
| -20 | 10~20 |
| 0 | 4~7 |
| 20 | 2~3 |
| 40 | 0.9~1.3 |
| 60 | 0.4~0.7 |
| 80 | 0.2~0.4 |
4.19 Toyota Highlander
| Temperature | Standard Value(Kohm) |
| 20C(68F) | 2.32~2.59 |
| 80C(176F) | 0.310~0.326 |
4.20 BMW car series (M30B35)
| Temperature(C) | Standard Value(Kohm) |
| 10 | 8.2~10.5 |
| 17~23 | 2.3~2.7 |
| 77~83 | 0.3~0.36 |
