49SMD EUROQUARTZ | Alldatasheet
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EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE EURO QUARTZ 49SMD Crystals OUTLINE & DIMENSIONS
DESCRIPTION
8.000MHz 49SMD /10/10/-20+70/32/ 30RExample: Frequency in MHz Package 49SMD or 49TSMD Calibration tolerance at 25°C (±ppm) Temperature Stability over temp. range (±ppm) Operating Temp. Range (°C) (Lower and upper limits) Load Capacitance (Either SR for series or CL in pF) Equivalent Series Resistance (Optional - use when special value is required) 1.0MHz to 200.0MHzSMD form of HC49 Crystals 1.0 ~1.3 SL Fund. 5000 2.01 ~ 3.0 AT Fund. 400 3.01 ~ 3.2 AT Fund. 200 3.21 ~ 3.5 AT Fund. 150 3.51 ~ 3.9 AT Fund. 120 3.91 ~ 5.0 AT Fund. 100 5.01 ~ 7.0 AT Fund. 50 7.01 ~ 10.0 AT Fund. 35 10.0 ~ 30.0 AT Fund. 25 30.1 ~ 45.0 AT Fund. 20 24.0 ~ 100 AT 3rd OT 40 80.0 ~ 160 At 5th OT 70 110 ~ 250 AT 7th OT 120 Frequency Range MHz Crystal Cut Osc. Mode ESR Ω Max. ESR and OSCILLATION MODE Low-cost, industry-standard crystal unit formed for SMD Available with close tolerances Frequency range 1.0MHz to 200MHz Specifications fully customisable 49SMD crystals are long-established, industry-standard HC49 crystals with formed leads and a clip to facilitate surface mounting. The crystals provide a high quality but very low cost source of system clock frequency 49SMD crystals may be produced to very close tolerances. Frequency Range: 1.0MHz to 200MHz Oscillation Mode: See table Calibration Tolerance at 25ºC SL-Cut (<1.3MHz): from ±50ppm AT-Cut (>1.3MHz): from ±3ppm Frequency Stability over temperature SL-Cut (<1.3MHz): from ±100ppm -10° to +60°C AT-Cut (>1.3MHz): from ±3ppm 0° to +50°C (see table) Shunt Capacitance (C0): 4pF typical, 7pF maximum Load Capacitance (CL): Series or from 8pF to 32pF ( Customer specified CL) Ageing: ±3ppm maximum, 1st year, ±1ppm per year thereafter. Drive Level: 100 mW typical., 500mW max. Crystal Holder: Resistance-weld hermetic seal Supply format: Bulk pack or 'Ammo Pak' tape. SPECIFICATION 0~+50 ü ü ü ü ü ü ü -10~+60 ü ü ü ü ü ü ü -20~+70 X ü ü ü ü ü ü -30~+80 X X X ü ü ü ü -40~+85 X X X X ü ü ü -55~+125 X X X X X ü ü Temp. Range °C ±7.5 ±10 ±15 ±20 ±30 ±50 ±100 Stability ppm STABILITY OVER TEMPERATURE RANGE (AT-CUT CRYSTALS) (ü= Available, X = Not available)