HC51 EUROQUARTZ | Alldatasheet
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Technical content
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE THROUGH-HOLE CRYSTALS Frequency Range: 100kHz to 70MHz Calibration Tolerance at 25ºC: from ±10ppm to ±100ppm Frequency stability over temp: from ±10ppm to ±100ppm Load Capacitance: 8pF to 50pF, or Series Ageing: ±3ppm max 1st year, ±1ppm max per year after Drive level: 1mW max Static capacitance (C0): 9pF max Holder: Resistance-weld, hermetic seal Part Numbers for Holder Variants * Holder Type Holder Designation Standard 2 lead: HC51 ‘Plug-in’ for use in socket: HC48
- Low frequencies with low ESR values.
- Available with close tolerances
- Fully customisable specification
- Industry-standard package with options
- Wide frequency range HC51 SERIES CRYSTALS
FEATURES
DESCRIPTION
HC51 crystals are long-established standard crystals in the industry. Basic specification HC51 crystals provide low frequencies at relatively low cost and have the advantage of low ESR values. A holder variant is the HC48 which has larger diameter leads specifically for socket mounting. OUTLINES & DIMENSIONS Frequency (MHz) Crystal Cut/ Oscillation Mode ESR (max) (Ohms) OSCILLATION MODE & ESR 100kHz~890kHz SL Fund. 3000 890kHz~1.8432 AT Fund. 800 1.8432~2.5 AT Fund. 350 2.5~3.5 AT Fund. 200 3.5~7.0 AT Fund 100 7.0~12.0 AT Fund. 40 12.0~24.0 AT Fund. 20 9.0~ 30.0 AT 3rd OT 20 15.0~70.0 AT 5th OT 20 Operating Temp. °C Temperature Stability (ppm) FREQUENCY STABILITY OVER TEMPERATURE 0° to +50° X X ü ü ü ü ü -10° to +60° X X X X ü ü ü -20° to +70° X X X X X ü ü -30° to +80° X X X X X ü ü -40° to +90° X X X X X X ü -55° to +105° X X X X X X ü ü Indicates this stability is available over the stated operating temp. range PART NUMBER GENERATION HC51 crystal part numbers are derived as follows: Example: 1.000MHz HC51/50/100/10/30pF/ATF Frequency Holder (HC51 or HC48) Calibration Tolerance (±ppm) Temperature Stability (±ppm) Temperature Range (±ppm) Circuit Condition Crystal Cut and Mode CUSTOM PRODUCTION Euroquartz maintain stocks of certain frequency and specificationHC51 and HC48 crystals. Custom parts are manufactured to order on short lead times. Contact Euroquartz technical sales with your requirement.