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. The series is characterized by its reliable performance, robust construction, and adherence to strict quality standards, ensuring consistent and accurate temperature measurements across a wide operational spectrum.
Product Attributes
- Packaging Options: Bulk, Foldable Tape
Technical Specifications
Dimensions and Lead Options
| Series | Dimension (DMAX x TMAX) (mm) | Lead Diameter (d0.05) (mm) | Pitch (P0.5) (mm) | Max 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 Testing
| 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 2455, depth 15mm, tin surface 6mm from NTC body lower end, for 30.5 seconds. (Refer to IEC68-2-20 /GB2423.28 Test Ta) |
| Resistance To Soldering Heat | No visible damage, R/RN 20% (R =RN-RN') | 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 2605, depth 15mm, tin surface 6mm from NTC body lower end, maintain for 101 seconds. Recover at 251 for 4-5 hours, then retest rated zero power resistance RN'. |
| Strength of lead terminal | No visible damage, R/RN 20% (R =RN-RN') | According to IEC68-2-21 (GB2423.29) Test U. Test Ua: tensile force 10N for 10 seconds; Test Ub: Bend 90, pull 10N for 10 seconds; Twist 180, pull 5N for 10 seconds. Recover at 251 for 4-5 hours, then retest rated zero power resistance RN'. |
| Temp. Cycling Testing | No visible damage, R/RN 20% (R =RN-RN') | Store for 30 mins each in ambient temperatures of Ta=-402 and Tb=1502, cycle 5 times. Each high/low temperature cycle includes a 5-minute transition in an environment of 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') | Ambient temperature: 251. Cycle count: 1,000 times, on/off: 5s/55s, test current: 5.0A. After placing the 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% (R =RN-RN') | Ambient temperature: 251. Sample subjected to 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 thermistor lead end as one electrode, wrap the other electrode around the thermistor body with metal foil. Apply 700VDC to both electrodes for 60 seconds. |
Parameter Definitions
| Item | Units | Definition |
|---|---|---|
| Zero power resistor R25 | The DC resistance value of the thermistor measured at the specified temperature (251). Measurement conditions ensure self-heating resistance change is negligible. | |
| Resistance tolerance | % | The maximum allowable deviation range of the actual resistance value from the nominal value. |
| Thermal dissipation coefficient | mW/C | The power consumed to raise the thermistor's temperature by 1. |
| Thermal time constant | s | The time required for the thermistor's temperature to drop to 63.2% of its initial and final temperature difference under zero power conditions. |
| Maximum steady-state current Imax | A | The maximum current that can be continuously applied to the thermistor at an ambient temperature of 25. |
| Maximum impulse capacitance Cmax | F | The maximum allowable capacitance value of a capacitor connected to a thermistor under load conditions. |
| Material Constant B | K | Represents the 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) and T2=323.15K (50C). |
| Working temperature range | The continuous operating temperature range for the thermistor under zero power conditions. |
Storage Conditions
| Item | Specification |
|---|---|
| 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-CN1008MUS6BB5P0G_C49241906.pdf
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