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Specifications
Resistance @ 25℃:
3Ω
Power(Watts):
-
Pitch:
10mm
Operating Temperature:
-40℃~+200℃
B Constant (25℃/100℃):
-
Tolerance:
±20%
Steady State Current (Max):
8A
Diameter (φD):
20mm
Thermal Time Constant:
1.88min
B Constant (25℃/85℃):
-
B Constant (25℃/75℃):
-
B Constant Tolerance:
-
B Constant (25℃/50℃):
-
Mfr. Part #:
206RV188
Package:
Through Hole,P=10mm
Key Attributes
Model Number:
206RV188
Product Description
Product Overview
NTC Thermistor is a Negative Temperature Coefficient Resistor whose resistance changes with ambient temperature changes. Thermistor comprises 2 or 4 kinds of metal oxides of iron, nickel, cobalt, manganese and copper, being shaped and sintered at high temperature. It is a type of resistor whose resistance decreases as ambient temperature increases.
Product Attributes
- Product Name: NTC (NTC Thermistor)
- Model: 206RV188 NTC 3D-20
- Resistance Value: 3
- Chip Diameter: 20mm
- Lead Spacing: 10mm
- Coating Color: Black
- Wrapper Material: Phenolic aldehyde
- Lead Material: Tinned Electron Wire
Technical Specifications
| Item | Specification Request | Test Conditions | Performance Requirements |
|---|---|---|---|
| Nominal Resistance (251) | 320% | ||
| Max Steady State Current (25) | 8A | ||
| Thermal Time Constant (approx.) | 113S | ||
| Thermal Dissipation Constant (approx.) | 28mW/ | ||
| Operating Range | -40~+200 | ||
| Approximate Resistance Value at Maximum Current | 0.055 | ||
| Max Shock Capacity | 1100 f/240V | ||
| Zero Power Resistance | See Electrical Parameters | At 25, when the resistance change caused by the internal heating of the resistor body can be ignored relative to the total measurement error. | See Electrical Parameters |
| B-Value | See Electrical Parameters | Calculated using the zero power resistance value at 25 and 50. | See Electrical Parameters |
| Thermal Dissipation Constant | See Electrical Parameters | The ratio of the change of the dissipation power to the corresponding change of the temperature at specified temperature. Unit: mw/ | See Electrical Parameters |
| Thermal Time Constant | See Electrical Parameters | Under zero power condition, the time required by a thermistor for its body temperature to reach 63.2% of the difference between its initial and final temperature. | See Electrical Parameters |
| Leads Terminal Tensile Strength | Apply a 1.0kg load to each lead terminal for 10 seconds. | No visible damage, Resistance change: 20% | |
| Leads Terminal Bend Strength | Fix the body, hang 0.5kg on one terminal, bend 90, then return, and bend 90 in the opposite direction. | No visible damage, Resistance change: 20% | |
| Vibration | Frequency: 10~50Hz, Amplitude: 1.55mm, Direction and time: X, Y, and Z axes for 2 hours each. | No substantial damage | |
| Solderability | Solder bath Temperature: 2355, Time: 3S | Covered termination: 98% | |
| Resistance to Soldering Heat | Dip the lead into molten solder of 35010 to a depth of 4.00.8mm for 3.00.5 seconds. After leaving at room ambient for 24 hours, measure resistance. | Resistance change: 10% | |
| Dry Heat (High Temperature Storage) | Subject to an ambient of 1252 for 1000+48 hours. After leaving at room ambient for 1 to 2 hours, measure resistance. | Resistance change: 10% | |
| Cold (Low Temperature Storage) | Subject to an ambient of -403 for 1000+48 hours. After leaving at room ambient for 1 to 2 hours, measure resistance. | Resistance change: 10% | |
| Humidity Test | 402, 95% RH, 1000HR | Resistance change: 10% | |
| Temperature Cycle Test | -40/30 25/5 +125/30 25/5 | Resistance change: 20% | |
| Operating Temperature | -40~+200 | Allowable temperature range while the thermistor works continuously for long time. | |
| Storage Conditions | -10~40 RH75% |
2504211835_KNSCHA-206RV188_C48392710.pdf
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