Product Overview
This product is a series of thermistors designed for various applications. They offer a range of resistance values, tolerances, and operating temperatures, making them suitable for diverse electrical and thermal management needs. Key features include precise resistance, thermal dissipation, and stability under various environmental conditions, as evidenced by extensive reliability testing.
Product Attributes
- Packaging Options: Bulk, Foldable Tape
Technical Specifications
Dimensions and Lead Options
| Series | Dimension (DMAX x TMAX x d0.05) (mm) | Pitch (P0.5) (mm) | Height (Hmax) (mm) | Length (L) (mm) | Lead Options |
|---|---|---|---|---|---|
| CN05** | 6.5 x 5.0 x 0.6 | 5.0 | 12.5 | Cutting leads or long leads (>18mm) | |
| CN07** | 8.5 x 5.0 x 0.6 | 5.0 | 14.5 | Cutting leads or long leads (>18mm) | |
| CN09** | 10.5 x 5.5 x (0.6/0.8) | 5.0/7.5 | 16.5 | Cutting leads or long leads (>18mm) | |
| CN10** | 12.5 x 5.5 x (0.6/0.8) | 5.0/7.5 | 18.5 | Cutting leads or long leads (>18mm) | |
| CN13** | 14.5 x 6.0 x 0.8 | 7.5 | 20.5 | Cutting leads or long leads (>18mm) | |
| CN15** | 16.5 x 6.5 x (0.8/1.0) | 7.5 | 22.5 | Cutting leads or long leads (>18mm) | |
| CN20** | 22.5 x 7.0 x (0.8/1.0) | 7.5/10.0 | 28.5 | Cutting leads or long leads (>18mm) |
Electrical Performance Parameters
| Series | R25 () | Resistance Tolerance | Thermal Dissipation Coefficient (mW/C) | Thermal Time Constant (s) | Maximum Steady-State Current Imax (A) | Maximum Capacitance Cmax (F) | Material Constant 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 Specifications
| Item | Requirement | Test Method/Conditions |
|---|---|---|
| Solderability | Even tinning on the wetted part, Tinning area 95% | After dipping the lead out end with flux, immerse in a tin bath at 245 5 , depth 15mm, tin surface 6mm 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% | Test according to IEC68-2-20 (GB2423.28) Test Tb. Using welding groove method, dip lead out end with flux and immerse in tin groove at 260 5 , depth 15mm, tin surface 6mm from NTC body lower end, maintain for 10 1 second. Recover at 25 1 for 4-5 hours, then retest rated zero power resistance RN'. |
| Strength of lead terminal | No visible damage, R/RN 20% | Test according to IEC68-2-21 (GB2423.29) Test U. Test Ua: 10N tensile force for 10 seconds; Test Ub: 90 bend, 10N tensile force for 10 seconds; 180 twist, 5N tensile force for 10 seconds. Recover at 25 1 for 4-5 hours, then retest rated zero power resistance RN'. |
| Temp. Cycling Testing | No visible damage, R/RN 20% | Store for 30 minutes 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% | Environment temperature: 251. Cycle count: 1000 times, on/off: 5s/55s, test current: 5.0A. After placing sample at room temperature (251) for 4-5 hours, measure its zero power resistance RN'. |
| Load Life (Endurance) Testing | No visible damage, R/RN 20% | Environment temperature: 251. Apply maximum working current of 5.0A for 100024 hours. After testing, place sample at room temperature (251) for 4-5 hours, then measure its zero power resistance RN'. |
| Humidity Testing | No visible damage, R/RN 20% | Place in environment of 402, 933% RH for 20024 hours. After testing, place at room temperature (251) for 1-2 hours, then measure its zero power resistance RN'. |
| Insulation Withstand voltage | 700VDC, No breakdown or arcing during the test | Take the lead end as one electrode, wrap the other electrode around the thermistor body with metal foil. Apply 700VDC to both electrodes for 60 seconds. |
Storage Conditions
| Item | Specification |
|---|---|
| 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. Minimize opening of packages, reseal promptly or store in a sealed container with a drying agent. |
Parameter Definitions
| Item | Units | Definition |
|---|---|---|
| Zero power resistor R25 | DC resistance value measured at 251. Self-heating effects on resistance are negligible. | |
| Resistance tolerance | % | Maximum allowable deviation of actual resistance from nominal value. |
| Thermal dissipation coefficient | mW/C | Power consumed to raise thermistor temperature by 1. Ratio of power consumption change to temperature change. |
| Thermal time constant | s | Time for thermistor temperature to drop to 63.2% of the difference between initial and final temperatures under zero power conditions. |
| Maximum steady-state current Imax | A | Maximum continuous current applicable to the thermistor at 25 ambient temperature. |
| Maximum impulse capacitance Cmax | F | Maximum allowable capacitance of a capacitor connected to the 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. |
2510211530_TyoHM-CN1010MUS8CB5P0G_C49241902.pdf
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