Radial Leaded Epoxy Resin Coated NTC Thermistor Temperature Sensor, 2K ohm, Beta 3470K, Operting 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: 2K ohm+/-1%
- Beta Value B(25/50): 3470K+/-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 | 33.9626 KΩ | 20C | 2.4289 KΩ | 80C | 0.3175 KΩ |
| -35C | 26.1098 KΩ | 25C | 2.0000 KΩ | 85C | 0.2752 KΩ |
| -30C | 20.2004 KΩ | 30C | 1.6513 KΩ | 90C | 0.2394 KΩ |
| -25C | 15.8016 KΩ | 35C | 1.3689 KΩ | 95C | 0.2090 KΩ |
| -20C | 12.5094 KΩ | 40C | 1.1412 KΩ | 100C | 0.1830 KΩ |
| -15C | 10.0111 KΩ | 45C | 0.9586 KΩ | 105C | 0.1607 KΩ |
| -10C | 8.0827 KΩ | 50C | 0.8128 KΩ | 110C | 0.1416 KΩ |
| -5C | 6.5685 KΩ | 55C | 0.6877 KΩ | 115C | 0.1251 KΩ |
| 0C | 5.3619 KΩ | 60C | 0.5843 KΩ | 120C | 0.1108 KΩ |
| 5C | 4.3893KΩ | 65C | 0.4986 KΩ | 125C | 0.0984 KΩ |
| 10C | 3.5992 KΩ | 70C | 0.4273 KΩ | ||
| 15C | 2.9549 KΩ | 75C | 0.3676 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 2KΩ B3470 Application
NTC 2KΩ B3470 Electric Data
Resistance vs. Temperature RT Data
NTC 2KΩ B3470 Mechanical Test
NTC 2KΩ B3470 Reliability Data
NTC 2KΩ B3470 Application
NTC 2KΩ B3470 Electric Data
Resistance vs. Temperature RT Data
NTC 2KΩ B3470 Mechanical Test
NTC 2KΩ B3470 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
