Product Overview
This product is a series of NTC thermistors designed for various applications requiring precise temperature sensing and control. They offer a range of resistance values, tolerances, and operating temperatures, making them suitable for diverse industrial and electronic uses. Key features include reliable performance across a wide temperature range, robust construction for durability, and adherence to strict reliability standards. The product is available in different series (CN05 to CN20) with varying dimensions and electrical characteristics to meet specific design requirements. Packaging options include bulk and foldable tape for convenient integration into manufacturing processes.
Product Attributes
- Packaging Options: Bulk, Foldable Tape
Technical Specifications
Dimensions and Lead Types
| Series | DMAX (mm) | TMAX (mm) | d0.05 (mm) | P0.5 (mm) | Hmax (mm) | L (mm) | Lead Type |
|---|---|---|---|---|---|---|---|
| CN05** | 6.5 | 5.0 | 0.6 | 5.0 | 12.5 | Cutting leads Or long leads | >18mm |
| CN07** | 8.5 | 5.0 | 0.6 | 5.0 | 14.5 | Cutting leads Or long leads | >18mm |
| CN09** | 10.5 | 5.5 | 0.6/0.8 | 5.0/7.5 | 16.5 | Cutting leads Or long leads | >18mm |
| CN10** | 12.5 | 5.5 | 0.6/0.8 | 5.0/7.5 | 18.5 | Cutting leads Or long leads | >18mm |
| CN13** | 14.5 | 6.0 | 0.8 | 7.5 | 20.5 | Cutting leads Or long leads | >18mm |
| CN15** | 16.5 | 6.5 | 0.8/1.0 | 7.5 | 22.5 | Cutting leads Or long leads | >18mm |
| CN20** | 22.5 | 7.0 | 0.8/1.0 | 7.5/10.0 | 28.5 | Cutting leads Or long leads | >18mm |
Main Electrical Performance Parameters
| Series | R25() | Resistance Tolerance | (mW/C) | (s) | Imax(A) | Cmax(F) | Material Constant B (K) 10% | Operating Temperature T |
|---|---|---|---|---|---|---|---|---|
| CN0515M | 15.0 | 20% | ~6 | <22 | 0.6 | 47 | 3000 | -40~150 |
| CN0705M | 5.0 | 20% | ~10 | <30 | 2.0 | 100 | 2600 | -40~150 |
| CN0708M | 8.0 | 20% | ~10 | <30 | 1.0 | 100 | 2600 | -40~150 |
| CN0710M | 10.0 | 20% | ~10 | <30 | 1.0 | 100 | 2800 | -40~150 |
| CN0903M | 3.0 | 20% | ~11 | <38 | 4.0 | 220 | 2600 | -40~170 |
| CN0905M | 5.0 | 20% | ~11 | <38 | 3.0 | 220 | 2600 | -40~170 |
| CN0908M | 8.0 | 20% | ~11 | <38 | 2.0 | 220 | 2800 | -40~170 |
| CN0910M | 10.0 | 20% | ~11 | <38 | 2.0 | 220 | 2800 | -40~170 |
| CN1005M | 5.0 | 20% | ~13 | <50 | 4.0 | 330 | 2800 | -40~170 |
| CN1008M | 8.0 | 20% | ~13 | <50 | 3.0 | 330 | 2800 | -40~170 |
| CN1010M | 10.0 | 20% | ~13 | <50 | 3.0 | 330 | 2800 | -40~170 |
| CN1016M | 16.0 | 20% | ~13 | <50 | 2.0 | 330 | 2900 | -40~170 |
| CN1020M | 20.0 | 20% | ~13 | <50 | 2.0 | 330 | 3000 | -40~170 |
| CN134R7M | 4.7 | 20% | ~16 | <70 | 5.0 | 470 | 2800 | -40~170 |
| CN1305M | 5.0 | 20% | ~16 | <70 | 5.0 | 470 | 2800 | -40~170 |
| CN1308M | 8.0 | 20% | ~16 | <70 | 4.0 | 470 | 3000 | -40~170 |
| CN1310M | 10.0 | 20% | ~16 | <70 | 4.0 | 470 | 3000 | -40~170 |
| CN152R5M | 2.5 | 20% | ~20 | <85 | 7.0 | 680 | 2800 | -40~200 |
| CN1503M | 3.0 | 20% | ~20 | <85 | 7.0 | 680 | 2800 | -40~200 |
| CN153R3M | 3.3 | 20% | ~20 | <85 | 7.0 | 680 | 2900 | -40~200 |
| CN1505M | 5.0 | 20% | ~20 | <85 | 6.0 | 680 | 3000 | -40~200 |
| CN1510M | 10.0 | 20% | ~20 | <85 | 5.0 | 680 | 3200 | -40~200 |
| CN1515M | 15.0 | 20% | ~20 | <85 | 4.0 | 680 | 3200 | -40~200 |
| CN1520M | 20.0 | 20% | ~20 | <85 | 4.0 | 680 | 3200 | -40~200 |
| CN2005M | 5.0 | 20% | ~26 | <110 | 7.0 | 1000 | 3000 | -40~200 |
| CN2010M | 10.0 | 20% | ~26 | <110 | 6.0 | 1000 | 3200 | -40~200 |
Reliability Specifications
| Item | Requirement | Test Method/Conditions |
|---|---|---|
| Solder-ability | Even tinning on the wetted part, Tinning area 95% | After dipping the lead out end with flux, immerse it in a tin bath at 245 5 and a depth of 15mm, 6mm away from the NTC body lower end, for 3 0.5 seconds. (Refer to IEC68-2-20 /GB2423.28 Test Ta) |
| Resistance To Soldering Heat | No visible damage, R/RN 20% (R =RN-RN') | Conduct test according to IEC68-2-20 (GB2423.28) Test Tb. Using welding groove method, dip lead out end with flux and immerse in tin bath at 260 5 and depth of 15mm, 6mm away from NTC body lower end, for 10 1 second. Recover at 25 1 for 4-5h, then retest rated zero power resistance RN'. |
| Strength of lead terminal | No visible damage, R/RN 20% (R =RN-RN') | Conduct test according to IEC68-2-21 (GB2423.29) Test U. Test Ua: tensile force 10N for 10s; Test Ub: Bend 90, pull 10N for 10s; Twist 180, pull 5N for 10s. Recover at 25 1 for 4-5h, then retest rated zero power resistance RN'. |
| Temp. Cycling Testing | No visible damage, R/RN 20% (R =RN-RN') | Store for 30 mins each at Ta=-402 and Tb=1502, cycle 5 times. Each cycle has a 5-minute transition at 251. After testing, place sample at room temperature (251) for 4-5 hours before measuring zero power resistance RN'. |
| Electrical Cycling Testing | No visible damage, R/RN 20% (R =RN-RN') | Environmental temperature: 251. Cycle count: 1000 times, on/off: 5 s / 55 s, test current: 5.0A. After placing sample at room temperature (251) for 4-5 hours, measure zero power resistance RN'. |
| Load Life (Endurance) Testing | No visible damage, R/RN 20% (R =RN-RN') | Environmental temperature: 25 1 . Sample passes through maximum working current of 5.0A for 1000 24 hours. After testing, place at room temperature (251) for 4-5 hours, then measure zero power resistance RN'. |
| Humidity Testing | No visible damage, R/RN 20% (R =RN-RN') | Place in environment at 402, 933% RH for 20024 hours. After testing, place at room temperature (251) for 1-2 hours, then measure zero power resistance RN'. |
| Insulation Withstand voltage | 700VDC, No breakdown or arcing during the test | Take thermistor leads as one electrode, wrap other electrode with metal foil around thermistor body. Apply 700VDC for 60 seconds. |
Parameter Definitions
| Item | Units | Definition |
|---|---|---|
| Zero power resistor R25 | DC resistance value of the thermistor measured at the specified temperature (251). Measurement conditions ensure self-heating resistance change is negligible. | |
| Resistance tolerance | % | Maximum allowable deviation range of the actual resistance value from the nominal value. |
| Thermal dissipation coefficient | mW/C | Power consumed to raise the thermistor temperature by 1. Ratio of power consumption change to temperature change. (Test method detailed in Appendix) |
| Thermal time constant | s | Time required for the thermistor temperature to drop to 63.2% of the initial and final temperature difference under zero power conditions. (Test method detailed in Appendix) |
| Maximum steady-state current Imax | A | Maximum continuous current that can be applied to the thermistor at 25 ambient temperature. |
| Maximum impulse capacitance Cmax | F | Maximum allowable capacitance value of a capacitor connected to a thermistor under load conditions. (Test method detailed in Appendix) |
| Material Constant B | K | Material constant for negative temperature coefficient thermistors, calculated using the formula: B=T1T2/(T2-T1)ln (R1/R2) or B=2.303[T1T2/(T2-T1)]log (R1/R2), where T1=298.15K(25C), T2 = 323.15K(50C). |
| Working temperature range | Continuous operating temperature range for the thermistor in zero power state. |
Storage Conditions
| Temperature | -10+40 |
| Humidity | 70%RH |
| Term | 6 months (First-in/First-out) |
| Place | Avoid corrosive/oxidizing gases, flammable/explosive gases, oil, water, chemical solutions, and direct sunlight. |
| Handling after seal open | Minimize opening, reseal promptly or store in a sealed container with a drying agent. |
2510211530_TyoHM-CN0710MUS6BB4P0G_C49241826.pdf
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