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- Company Name : Shantou Boting Electronic Co., Ltd.
- Tel : 86-754-83657159
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Metal type temperature ntc sensor 100k
1 .Common Parameters
( 1 ) Size(mm)
(2)Materials1.Chip : MF58 Type Thermistor
2.Chip packaging materials:Glass.
3.Down-lead:Tinned Electron Wire.
4.Encapsulation material:Fire-proof Epoxy Resin.
5.Filling material: Fire-proof Epoxy Resin .
6. Shell Φ4*30, Nickel-plated copper .
7.Down-lead: Cable UL2468#26 AWG*2C AS , Color:Black
2. Parameters of Technology
1.Zero Power Resistance at 25°C:100KΩ± 1%
2.B Value: B25/50°C 3950±1%
3.Thermal Time Constant(S): Max 60sec ( In the air in the 25 °C / 50 °C)
4.hermal Dissipation Constant(mW/°C): Min 2.0mW/°C(In the air)
5.Operating Temperature(°C): -20~200°C
3.Terms and General Characteristics
Terms | Description | Requirement |
Zero Power Resistance
| At 25°C, the measured resistance value can be neglected compared to the general tolerance when the change of the resistance is made through its self-heat of the resistor. |
See Electrical Parameters |
B-value | T1*T2 R1 B= * ln ( ) T2 T1 R2 The B value can be calculated using the zero power resistance value at 25°C and 50°C. The equation is as above. | See Electrical Parameters
|
Thermal Dissipation Constant | The ratio of the change of the dissipation power to the corresponding change of the temperature at specified temperature. The unit is: mw/°C | See Electrical Parameters
|
ThermalTimeConstant
| Under zero power condition, thermal time constant is the time required by a thermistor that its body temperature reach 63.2% of the difference between its initial and final temperature. | See Electrical Parameters |
Operating Temperature | Allowable temperature range while the thermistor work continuously for long time | -40-+125°C |
Damp Heat | The sample should be subjected to 40±2°C, relative humidity 93±3% for 48±2 hours, then stored at room temperature and humidity for 1 hour. | No visible damage,themark is clear ,no No visible damage,themark is clear,nobreakdown or arcing.Insulating resistance is>100MΩ. The change ratio of the resistance is within ±15%. |
Withstand Voltage | Applied AC voltage of 700v between the lead of the resistor and the insulating coating for 1 minute | No breakdown or arcing |
Resistance to Soldering Heat | Immerse the lead of the resistor into tin liquor of 250±10°C for 3 sec, the distance from the liquor surface to the resistor is 6mm. Then resume to the original state. | No visible damage. The max change ratio of the resistance is within±15% |
Solderability
| Immerse the lead into tin liquor of 250±10°C for 3 sec. The temperature of immerse welding: 240±5°C, The temperature of hand welding: 260±5°C(5s) | The covered surface area should be above 95% |
Bending Strength of Terminals | Fix the resistor, hanging a force of 0.5kg to one terminal to bend it by 90 degree, then resume to the original state, bend it by 90 degree again. | NO visible damage |
Vibration | Frequency: 10-50HZ,Wave Amplitude:1.55mm.Direction and Time: 2 hours respectively for X,Y and Z axis. | No mechanical damage |
Temperature Rapid Change | -40°C/30 25°C/5 +160°C/30 25°C/5 | The change ratio of the resistance is±20% |
Storage temp. | -40°C to 125°C | The change ratio of the resistance is±20% |
Metal type temperature ntc sensor 100k