Part Number Price Buy Now Datasheet
ATH20K1R3B3950K $2.70 buy now Buy Now Datasheet

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Glass Encapsulated for Long Term Stability & Reliability
High Stability: <0.1ºC/Y
Small Size: Φ1.3mm×2.0mm
High Resistance Accuracy: 1%
Quick Response Time: 14s
Wide Temp. Range: –40°C to 250°C
Leads: dumet wires (copper-clad FeNi)
100% Lead (Pb)-free and RoHS Compliant


The ATH20K1R3B3950K thermistor is ideal for temperature sensing in high-precision devices such as laser diodes and optical components that require accurate temperature monitoring. In addition, due to its low cost, it is also suitable for use in automotive electronics, industrial electronics, and home appliances where cost-effective temperature sensing is required.

In contrast to conventional epoxy-encapsulated thermistors, the ATH20K1R3B3950K offers superior long-term stability and a wider temperature range. Moreover, it has a compact size and a quick response time.