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, ensuring suitability for diverse industrial and electronic systems. Key features include reliable performance across a wide temperature range and adherence to stringent reliability standards.
Product Attributes
- Packaging Options: Bulk, Foldable Tape
Technical Specifications
Dimensions and Lead Types
| Series | Dimension (DMAX x TMAX) (mm) | Lead Diameter (d0.05) (mm) | Pitch (P0.5) (mm) | Height (Hmax) (mm) | Length (L) (mm) | Lead Type |
|---|---|---|---|---|---|---|
| CN05** | 6.5 x 5.0 | 0.6 | 5.0 | 12.5 | Cutting leads or long leads (>18mm) | |
| CN07** | 8.5 x 5.0 | 0.6 | 5.0 | 14.5 | Cutting leads or long leads (>18mm) | |
| CN09** | 10.5 x 5.5 | 0.6/0.8 | 5.0/7.5 | 16.5 | Cutting leads or long leads (>18mm) | |
| CN10** | 12.5 x 5.5 | 0.6/0.8 | 5.0/7.5 | 18.5 | Cutting leads or long leads (>18mm) | |
| CN13** | 14.5 x 6.0 | 0.8 | 7.5 | 20.5 | Cutting leads or long leads (>18mm) | |
| CN15** | 16.5 x 6.5 | 0.8/1.0 | 7.5 | 22.5 | Cutting leads or long leads (>18mm) | |
| CN20** | 22.5 x 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 | 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 Range 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 |
|---|---|---|
| Solderability | Even tinning on the wetted part, Tinning area 95% | Immerse lead end in tin bath at 2455, depth 15mm, 30.5 seconds. Tin surface 6mm from NTC body bottom. (Ref. IEC68-2-20 /GB2423.28 Test Ta) |
| Resistance To Soldering Heat | No visible damage, R/RN 20% | According to IEC68-2-20 (GB2423.28) Test Tb. Immerse lead end in tin bath at 2605, depth 15mm, 101 seconds. Tin surface 6mm from NTC body bottom. Recover at 251 for 4-5h, then retest RN'. |
| Strength of lead terminal | No visible damage, R/RN 20% | According to IEC68-2-21 (GB2423.29) Test U. Test Ua: 10N tensile force for 10s; Test Ub: 90 bend, 10N tensile force for 10s; 180 twist, 5N tensile force for 10s. Recover at 251 for 4-5h, then retest RN'. |
| Temp. Cycling Testing | No visible damage, R/RN 20% | Store for 30 mins each at Ta=-402 and Tb=1502, cycle 5 times. 5 min transition at 251 between cycles. After testing, recover at room temperature (251) for 4-5 hours before measuring RN'. |
| Electrical Cycling Testing | No visible damage, R/RN 20% | Ambient temperature: 251. Cycles: 1,000. On/Off: 5s/55s. Test current: 5.0A. Recover at room temperature (251) for 4-5 hours before measuring RN'. |
| LoadLife (Endurance) Testing | No visible damage, R/RN 20% | Ambient temperature: 251. Apply maximum working current of 5.0A for 100024 hours. Recover at room temperature (251) for 4-5 hours before measuring RN'. |
| Humidity Testing | No visible damage, R/RN 20% | Place in environment of 402, 933% RH for 20024 hours. Recover at room temperature (251) for 1-2 hours before measuring RN'. |
| Insulation Withstand voltage | 700VDC, No breakdown or arcing during the test | Apply 700VDC between lead ends and metal foil wrapped around the body 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 gases, 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 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 required to raise thermistor temperature by 1. (See Appendix for test method details) |
| 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. (See Appendix for test method details) |
| Maximum steady-state current Imax | A | Maximum continuous current at 25 ambient temperature. |
| Maximum impulse capacitance Cmax | F | Maximum allowable capacitance connected to the thermistor under load conditions. (See Appendix for test method details) |
| Material Constant B | K | Material constant for negative temperature coefficient thermistors, calculated using the formula: B=T1T2/(T2-T1)ln (R1/R2). T1=298.15K (25C), T2 = 323.15K (50C). |
| Working temperature range | Continuous operating temperature range under zero power state. |
2510211530_TyoHM-CN1308MUS8CB5P5G_C49241824.pdf
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