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Specifications
Mfr. Part #:
CN134R7MUS8CB4P0G
Package:
Through Hole,P=7.5mm
Key Attributes
Model Number:
CN134R7MUS8CB4P0G
Product Description
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 temperature ranges, making them suitable for diverse industrial and electronic uses. The series is built with robust materials and undergoes rigorous reliability testing to ensure consistent performance and durability.
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 | 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
| Item | Technical Requirement | Test Method |
|---|---|---|
| Solderability | Even tinning on 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's 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') | 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 NTC body's lower end, 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% (R =RN-RN') | 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% (R =RN-RN') | Store for 30 minutes 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: 5 s / 55 s, 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') | Environmental temperature: 25 1 . Apply 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 an environment of 402 and 933% RH for 20024 hours. After taking out, 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 of the thermistor as one electrode, wrap the other electrode around the thermistor body with metal foil. Apply 700VDC to both electrodes for 60 seconds. |
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: Reseal promptly or store in a sealed container with a drying agent.
Parameter Definitions
| Item | Unit | Definition |
|---|---|---|
| Zero power resistor R25 | DC resistance value measured at 251, where self-heating effects 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. |
| 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 at 25 ambient temperature. |
| Maximum impulse capacitance Cmax | F | Maximum allowable capacitance of a connected capacitor 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. |
Refer to Appendix for detailed testing methods of , , and Cmax.
2510211530_TyoHM-CN134R7MUS8CB4P0G_C49241821.pdf
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