Radial Leaded Epoxy Resin Coated NTC Thermistor  Temperature Sensor, 10K ohm, Beta B(25/50): 3470K,  Temperature -40C to +125C.

AMWEI Product Code: AMF52-103F3470

Appearance and Dimension

Radial Resin NTC Thermistor Temperature Sensor

Unit: mm

Radial  Leaded Epoxy Resin Coated  NTC Thermistor Application

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.

Radial Leaded Epoxy Resin Coated NTC Thermistor Electric Perfomance

  • Resistance at 25C R25: 10K 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.

NTC 10K Ohm 3470K Resistance vs. Temperature RT Data

(K Ohm)
(K Ohm)
(K Ohm)
-40C 220.447 KΩ 20C 12.216 KΩ 80C 1.545 KΩ
-35C 164.503 KΩ 25C 10.000 KΩ 85C 1.330 KΩ
-30C 124.433 KΩ 30C 8.293 KΩ 90C 1.148 KΩ
-25C 95.236 KΩ 35C 6.902 KΩ 95C 0.995 KΩ
-20C 73.640 KΩ 40C 5.765 KΩ 100C 0.864 KΩ
-15C 57.459 KΩ 45C 4.832 KΩ 105C 0.753 KΩ
-10C 45.196 KΩ 50C 4.064 KΩ 110C 0.658 KΩ
-5C 35.808 KΩ 55C 3.430 KΩ 115C 0.576 KΩ
0C 28.557 KΩ 60C 2.905 KΩ 120C 0.506 KΩ
5C 22.912 KΩ 65C 2.469 KΩ 125C 0.446 KΩ
10C 18.485 KΩ 70C 2.105 KΩ
15C 14.991 KΩ 75C 1.800 KΩ

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±0.5 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,
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,

Radial Leaded Epoxy Resin Coated NTC Thermistor Reliability Data

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

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