KTY81 series Silicon temperature sensorsRev. 05 — 25 April 2008Product data sheet1.Product profile1.1 General description The temperature sensors in the KTY81 series have a positive temperature coefficient of resistance and are suitable for use in measurement and control systems. The sensors are encapsulated in the SOD70 2 in-line leads plastic package. Other special selections are available on request. CAUTION This device is sensitive to ElectroStatic Discharge (ESD). Therefore care should be taken during transport and handling. 1.2 Features n High accuracy and reliability n Long-term stability n Positive temperature coefficient; n Virtually linear characteristics fail-safe behavior 1.3 Quick reference dataTable 1.Quick reference data Tamb = 25 °C; in liquid; unless otherwise specified. SymbolParameterConditionsMinTypMaxUnit R25 sensor resistance Isen(cont) = 1 mA KTY81/110 990 - 1010 Ω KTY81/120 980 - 1020 Ω KTY81/121 980 - 1000 Ω KTY81/122 1000 - 1020 Ω KTY81/150 950 - 1050 Ω KTY81/210 1980 - 2020 Ω KTY81/220 1960 - 2040 Ω KTY81/221 1960 - 2000 Ω KTY81/222 2000 - 2040 Ω KTY81/250 1900 - 2100 Ω Document Outline 1. Product profile 1.1 General description 1.2 Features 1.3 Quick reference data 2. Pinning information 3. Ordering information 4. Marking 5. Limiting values 6. Characteristics 7. Package outline 8. Packing information 9. Revision history 10. Legal information 10.1 Data sheet status 10.2 Definitions 10.3 Disclaimers 10.4 Trademarks 11. Contact information 12. Contents