Radial Leaded Epoxy Resin Coated NTC Thermistor Temperature Sensor, 100K ohm, Beta B(25/50):3950K, Temperature -40C to +125C.

AMWEI Product Code: AMF52-104F3950

Appearance and Dimension

Unit:mm

Radial Resin NTC Thermistor Temperature Sensor

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: 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.

NTC 100K Ohm 3950K Resistance vs. Temperature RT Data

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

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,
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%

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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