Product details

Product category / Smart Home NTC Temperature Sensor

Fast Responded Instant Hot Water Dispenser’s NTC Assembly Thermistor with Metal Temperature Probe

This NTC assembly thermistor belongs to TS series. It can be supplied with various NTC thermistor to suit your application. The probe is made of 304 stainless steel. They are widely used in smart home or other applications due to the high stability and wide operating temp range: -30°C/+250°C.

  1. Product Model: TS502F25C3990FB-ML220A
  2. Wire : AWG26, AWG24 ,AWG 22 or Other
  3. Thermistor’s resistance value: R25=5kΩ±1%,B(25/85)=3990K±1%or different NTC R-T curve available
  4. Operating temperature range: 5℃~105℃
  5. All the materials comply with the RoHS requirement
TS   502  


F   25C   3990   F   A _ M   L220   A
Product Series Code Resistance @25℃ R25


Test Temp. of Resistance B-value B-value Tolerance
TS TS Series

Temperature sensor

502 5KΩ F ±1% 25C 25℃ 3990 B=3990K F ±1%
Test Temp. of B-value Housing Material Length Distinguishing Code
A 25/50℃ M Metal L220 220mm A Internal code
Part No. R25℃


B(K) Rated power

@25℃ (mW)

Dissipation factor(δ)


Thermal time

constant (s)

202F3600A 2 3600 10-20 2-4 3-10
502F3470A 5 3470
103F3435B 10 3435
303F3936A 30 3936
104F3950A 100 3950