ZNI1000 Temperature sensor Description The ZNI1000 is a Ni thin film Resistance Temperature Detector (RTD), specified to DIN 43760. The high temperature coefficient offers higher signal outputs than other RTD s, which results in higher accuracy with smaller temperature changes. Features Resistance at 0C: 1000 Nickel temperature detector Specified to DIN 43760 SOT23 package Applications Automotive electronic Circuit protection Temperature compensation Temperature measurement Ordering information 1 Device Reel size Tape width Quantity Device 3 (inches) (mm) per reel marking ZNI1000TA 7 8 3,000 ZNI 2 ZNI1000TC 13 8 10,000 ZNI Pinout - top view Pin 1 - Ni1000 Pin 2 - Ni1000 Pin 3 - Need a good thermal contact for short response time Issue 5 - June 2007 1 www.zetex.com Zetex Semiconductors plc 2007ZNI1000 Absolute maximum ratings Parameter Symbol Limit Unit (a) I 5 mA Continuous current CC Total power dissipation P 20 mW TOT Operating temperature range T -55 to +150 C A Storage temperature range T -55 to +150 C stg NOTES: (a) Limited by operating temperature I (20mW/R) , R=func(T )=718 to 1986 . CC A Recommended operating conditions Symbol Parameter Min. Typ. Max. Unit (b) I 0,1 1,2 3,0 mA MDC Steady state measurement current NOTES: (b) limited by self heating effects (recommended current range 0,1 to 1,5mA) typ. case temperature error T= (R 1,2mA 1,2mA)/1,7mW/K 1,7K worst case temperature error T= (1,986k 3,0mA 3,0mA)/1,4mW/K = 13,8K . Electrical characteristics Symbol Parameter Conditions Min. Typ. Max. Unit R0 Resistance 0C T=0C, I <1mA - 1000 - M (c) R25 Resistance 25C 1100 1141 1200 T=25C, I = 3mA M R100 Resistance 100C T=100C, I <1mA - 1618 - M (d) -55 to 0C - (0.4+0.028 x T) - C Tolerance class B (d) 0 to 150C - (0.4+0.007 x T) - C Tolerance class B R Long Term stability: 1000h at 150C 0.1 % NOTES: (c) Measured under pulse conditions. (d) See ZNi1000 Tolerance class figure. Issue 5 - June 2007 2 www.zetex.com Zetex Semiconductors plc 2007