Radial Leaded Epoxy Resin Coated NTC Thermistor Temperature Sensor, 100K ohm, Beta B(25/50):3950K, Temperature -40C to +125C.
Unit: mm
Temperature sensing, control and compensation. E.g. inlet air temperature sensing thermistors or ECT in
automotive applications, sensor elements in industrial and commercial applications, heating systems and industrial
systems, medical equipment.
- Resistance at 25C R25: 100K ohm+/-1%
- Beta Value B(25/50): 3950K+/-1%
- Optional R25 resistance tolerance, ±1%(F), ±2%(G), ±3%(H), or ±5%(J)
- Dissipation Factor: δ≥3mW/℃.
- Thermal Time Constant (in still air): ≤12 seconds.
- Rated Powerwatt (below 25C): ≤50mW
- Insulation resistance: room temperature, 500V, 60 Seconds, ≥100MΩ.
- Operating temperature range: -40 to +125C.
| Temperature Centigrade |
Resistance (K Ohm) |
Temperature Centigrade |
Resistance (K Ohm) |
Temperature Centigrade |
Resistance (K Ohm) |
|---|---|---|---|---|---|
| -40C | 3351.981 KΩ | 20C | 123.836 KΩ | 80C | 12.388 KΩ |
| -35C | 2409.687 KΩ | 25C | 100.000 KΩ | 85C | 10.536 KΩ |
| -30C | 1763.932 KΩ | 30C | 80.557 KΩ | 90C | 8.996 KΩ |
| -25C | 1307.286 KΩ | 35C | 65.270 KΩ | 95C | 7.710 KΩ |
| -20C | 977.464 KΩ | 40C | 53.181 KΩ | 100C | 6.631 KΩ |
| -15C | 735.948 KΩ | 45C | 43.568 KΩ | 105C | 5.724 KΩ |
| -10C | 557.551 KΩ | 50C | 35.882 KΩ | 110C | 4.957 KΩ |
| -5C | 425.045 KΩ | 55C | 29.703 KΩ | 115C | 4.307 KΩ |
| 0C | 326.252 KΩ | 60C | 24.709 KΩ | 120C | 3.754 KΩ |
| 5C | 252.374 KΩ | 65C | 20.653 KΩ | 125C | 3.282 KΩ |
| 10C | 196.971 KΩ | 70C | 17.342 KΩ | ||
| 15C | 155.295 KΩ | 75C | 14.626 KΩ |
| Test | Standard | Test Conditions and methods | Requirements |
|---|---|---|---|
| Soldering & Solderability | IEC60068-2-20 Test Ta |
Temperature: 230±5 ℃， 2-2.5mm away from ceramic body On: 2±0.5 Seconds. |
The terminations shall be evenly tinned |
| Resistant to soldering heat | IEC60068-2-20 Test Tb |
Temperature: 260±5℃, 2-2.5mm away from ceramic body On：10±1 Seconds. |
No visible damage, ΔR25/R25≤3% |
| Lead wire tensile | IEC60068-2-21 Test U |
Test Ua: Force 10N, On 10 Seconds; Test Ub: Bending 90C, Force 5N, Twice. |
No break off, ΔR25/R25≤3% |
| Test | Standard | Test Conditions | ΔR25/R25 (typical) | Remarks |
|---|---|---|---|---|
| Low temperature storage | IEC 60068-2-1 | Storage at low category temperature. Temperature: -40 oC Time: 1000hours | ≤3% | No visible damage |
| Storage in dry heat | IEC 60068-2-2 | Storage at upper category temperature. Temperature: 100 oC Time: 1000hours | ≤3% | No visible damage |
| Storage in damp heat, steady state (Humidity test) | IEC 60068-2-3 | Temperature: 40oC, Humidity:90%-95% RH, Duration:1000 hours |
≤3% | No visible damage |
| Rapid temperature cycling | IEC 60068-2-14 | 1. -40C/30 minutes 2. 30C/5minutes 3. 100C/30 minutes 4. 30C/5minutes. Number of cycles: 5 Cycles |
≤3% | No visible damage |
Other Related AMWEI NTC thermistors Products for Temperature Sensing
Content Headline
Appearance & Dimension
NTC 100KΩ B3950 Application
NTC 100KΩ B3950 Electric Data
Resistance vs. Temperature RT Data
NTC 100KΩ B3950 Mechanical Test
NTC 100KΩ B3950 Reliability Data
Technical Knowledge
NTC Thermistor Glossary and Definition
How NTC thermistor beta value is calculated?
NTC Thermistor Manufacturing Process and Quality Control
Applications Articles
NTC thermistor for temperature measurement and control selecting reference information.
Charging Control with AMWEI NTC Thermistor
Reliable limiting of current surges by AMWEI NTC and PTC thermistor
How to Select NTC Thermistor for Inrush Current Limiting?
How to Select Packaged Thermistor Temperature Sensor Probe Assembly ? 6 Steps
