Radial Leaded Epoxy Coated Thermometrics NTC Thermistor 10KOhm 3950 1% For Air Conditioning
Dimension (mm)
| NO | Material Name | Specification | QTY |
| 2-1. | Thermistor | R25=10KΩ±1% B25/50=3950±1% | 1 |
| 2-2. | Cable | UL1007 28#TS Black | 2 |
| 2-3. | Housing | Epoxy coating black | 1 |
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Application
Temperature Sensing
Temperature Detection
Transformers
Electric Motors
Automotive engine management
Air conditioning
Medical
Clinical thermometers
Blood analysis
Description
NTC thermistor in Radial Leaded, Epoxy Resin coated form, Standard pin wire is tinned copper brass wire, non-insulated, optional in tinned kinked steel wire, PVC wire, PTFE wire. Widely applied in temperature sensing, measurement, detection, indicator, monitoring, gauging, control, calibration and compensation, etc., suitable for HVAC and white goods, automotive, battery pack application.
Features
Interchangeability options down to ±0.1C accuracy 0 to 100ºC range
Head size 0.8 to 2.4mm
Automated assembly
Low cost, solid state temperature sensor
Suitable for use over range of -112ºF to 302ºF (-80ºC to 150ºC)
High sensitivity greater than -4% /ºC at 77ºF (25ºC)
Suitable for temperature measurement, control, and compensation
High reliability and stability
Resin coated for good mechanical strength and resistance to solvents
Electrical Performances
| NO | Item | Sign | Test Conditions | Performance requirements | Unit |
| 4-1. | Resistance at 25℃ | R25 | Ta=25±0.05℃ PT≦0.1mw | 10KΩ±1% | K |
| 4-2. | B Value | B25/50 |  | 3950 | k |
| 4-3. | Dissipation factor | σ | Ta=25±0.5℃ | ≥2 | mw/℃ |
| 4-4. | Time constant | τ | Ta=25±0.5℃ | ≤7 | sec |
| 4-5. | Insulation resistance | / | 100VDC 1min | ≥100 | MΩ |
| 4-6. | NTC Operating temp.range | / | / | -40 ~ +80 | ℃ |
| 4-7. | Assembly Operating temp.range | / | / | -20 ~ +80 | ℃ |
Reliability Tests
| NO | Item | Technical requirements | Test conditions and method |
| 5-1. | High temp. Test | DR/R25£±3% DB/B£±3% No change with withstand voltage, Insalution performance. Appearance without damage. | 100±5℃,power on 500±24 hrs,DC0.2mA |
| 5-2. | Low temp. tes | -10±5℃,power on 500±24 hrs,DC0.2mA |
| 5-3. | Endure moisture test | Store in environment 55±2℃,90%-95%RH for 240±24 hrs |
| 5-4. | Temp. cycle test | –20℃×30min→Room temp.×10min→ in 100℃ water×30min→Room temp.×10min 10 cycles |
| 5-5 | Load electrify test | Power on DC1mA,500hrs in room temp. and humid. |
| 5-6 | Drop test | Free fall into concrete floor from height 1m ,10 cycle. |
| 5-7 | Vibration test | Frequency range:10～55HZ Total amplitude 1.52mm 1 cycle 1 min ,direction and time X,Y,Z axs 2Hr each. |
| 5-8 | Bending test | Bend 180°binding site wire and epoxy resin.Back and forth 10 times |
Radial Leaded, Epoxy Resin Coated NTC thermistor Mechanical Test
| | 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±0.5Seconds. | 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≤2% | | 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≤2% | |
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Radial Leaded Epoxy Coated Thermometrics NTC Thermistor 10KOhm 3950 1% For Air Conditioning Images
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