TEMPERATURE SENSING CRYSTAL HTS-206 • • • • • • Crystal used to sense the change in temperature. 2mm in diamater and 6mm in length. Good linearity frequency and temperature. Low frequency (40KHz) enables low current consumption. Wide temperature range (-40 to +85˚C). Suitable for DTCXO and temperature equipment. Actual size Specifications (characteristics) Symbol Specifications f0 40kHz Storage temperature TSTG -55˚C to +125˚C Operating temperature TOPR -40˚C to +85˚C Maximum GL 1.0 µ W max. Recommended DL 0.1 µ W typ. Frequency tolerance (standard) ∆f/f ±2% -29.6 x 10-6/˚C [±2%] Item Nominal frequency Temperature range Drive level Temperature coeffcient 1st α 2nd β γ -6.4 x 10-8/ ˚C2 [±8%] -1.5 x 10-10/ ˚C3 max. Series resistance R1 30 KΩ max. Motion capacitance C1 2.0 fF typ. 3rd Remarks Ta=25˚C, DL=0.1µW Ta=25˚C, DL=1.0µW Shunt capacitance C0 0.9 pF typ. Insulation resistance IR 500 MΩ min. fa ±3ppm/year max. Ta=25˚C ±3˚C S.R. ±3ppm max. Three drops on a hard board from 50 cm Aging Shock resistance External dimensions (Unit: mm) Temperature characteristic [PPm] 4000 3000 B 2000 D2 1000 D1 0 -1000 L1 -2000 L2 -3000 Model HTS-206 L1 6.0 max. L2 4.0 min. D1 ø2.0 max. D2 ø0.2 B 0.7 -4000 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 [°C] http://www.spezial.cz - - - [email protected] - - - Hotlines: Tel (02) 2434 2200 - - - Fax (02) 2434 3200