FTS-S20R4-10K Φ4×20mm Mini Stainless Steel NTC Temperature Probe, IP65 Waterproof 10K Thermistor Sensor for Small Water Dispenser & Refrigeration

Core Advantages

Ultra-Slim Mini Size: Φ4×20mm thin stainless steel tube, fits narrow installation gaps of tiny electronic devices.

Ultra-Fast Thermal Response: Thin-wall metal tube minimizes thermal lag, quickly tracks real-time temperature changes.

304 Stainless Steel Shell: Rust-proof, oil-resistant and anti-corrosion, long service life in water, coolant and mild chemical medium.

Integrated Waterproof Encapsulation: Full epoxy sealing blocks moisture and dust, stable operation under humid liquid environments.

Universal 10K Thermistor: Compatible with most mainstream temperature control boards, optional B-values 3435 / 3950.

Full Customization Support: Adjustable probe dimension, resistance tolerance, PVC/silicone high-temperature wire and cable length.

  • Description
  • Specifications
  • Size

FTS-S20R4:

Model FTS-S20R4 is an ultra-compact straight tube NTC temperature probe with Φ4mm diameter and 20mm length 304 stainless steel housing. It adopts high-precision 10K NTC thermistor inside, fully filled with epoxy resin to reach IP65 waterproof grade. Its ultra-slim cylindrical design saves installation space significantly, suitable for small water dispensers, refrigeration equipment, miniature heating modules and pipeline temperature detection. Customizable probe length, resistance, B-value, wire material and cable length are available for OEM & ODM demands.