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 and robust construction designed to withstand demanding conditions.
Product Attributes
- Packaging Options: Bulk, Foldable Tape
Technical Specifications
Dimensions and Lead Types
| Series | D (mm) | MAX T (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) | B (K) 10% | Operating Temperature T (C) |
|---|---|---|---|---|---|---|---|---|
| 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 Tests
| Item | Requirement | Test Method |
|---|---|---|
| Solderability | 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 lower end of the NTC body, 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 the welding groove method, dip the lead out end in flux and immerse in a tin groove at 260 5 and a depth of 15mm, 6mm away from the lower end of the NTC body, for 10 1 second. Recover for 4-5h at 25 1 , 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: 10N tensile force for 10s; Test Ub: 90 bend, 10N pull for 10s; 180 twist, 5N pull for 10s. Recover for 4-5h at 25 1 , 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 includes a 5-minute transition at 251. After testing, place 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: 5s/55s, test current: 5.0A. Place sample at room temperature (251) for 4-5 hours, then measure zero power resistance RN'. |
| Load Life (Endurance) Testing | No visible damage, R/RN 20% (R =RN-RN') | Environmental temperature: 251. Apply maximum working current of 5.0A for 100024 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 an environment of 402 and 933% RH for 20024 hours. After testing, place at room temperature (251) for 1-2 hours to measure zero power resistance RN'. |
| Insulation Withstand voltage | 700VDC, No breakdown or arcing during the test | Take the lead end as one electrode, wrap the thermistor body with metal foil as the other electrode. Apply 700VDC for 60 seconds. |
Parameter Definitions
| Item | Units | Definition |
|---|---|---|
| Zero power resistor R25 | DC resistance value measured at a specified temperature (251). Measurement conditions ensure self-heating resistance change is negligible. | |
| Resistance tolerance | % | Maximum allowable deviation of actual resistance from nominal value. |
| Thermal dissipation coefficient | mW/C | Power required to raise thermistor temperature by 1C. Ratio of power consumption change to temperature change. |
| Thermal time constant | s | Time for thermistor temperature to drop to 63.2% of initial-final difference under zero power conditions. |
| Maximum steady-state current Imax | A | Maximum continuous current applicable at 25 ambient temperature. |
| Maximum impulse capacitance Cmax | F | Maximum allowable capacitance connected to a thermistor under load conditions. |
| 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 gas, flammable/explosive gas, oil, water, chemical solutions, and direct sunlight.
- Handling after seal open: Reseal promptly or store in a sealed container with a drying agent.
2510211530_TyoHM-CN0710MUS6BB4P5G_C49241815.pdf
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