HC49/4H Crystals ISSUE 12 29 SEPTEMBER 2004 Outline in mm - HC49/4H & HC49/4H-3L Delivery Options Common frequencies may be available from stock Lower height holders available please contact sales office 0.45 0.45 Pin connections Holder Style 1. Crystal 2. Case & GND 4.880.2 4.880.2 HC49/4H crystals are resistance welded, hermetically = = 3. Crystal sealed in an inert atmosphere with glass to metal seals 12 3 securing the lead wires Holders suffixed 3L have a centre third wire which 11.05 max 11.05 grounds the case General Specifications Load Capacitance (CL): 10pF to 75pF or Series Typical Frequency vs Temperature Curves Drive Level: 500W max. for various angles of AT-cut crystals +25 Static Capacitance (C ): 7pF max. 0 Ageing: 5ppm typical per year, 1ppm available on request Standard Frequency Tolerances and Stabilities 10ppm, 20ppm, 30ppm, 50ppm, 100ppm, tighter tolerances and stabilities available on request. 0 Operating Temperature Ranges 0 to 50C 30 to 80C 10 to 60C 40 to 90C 20 to 70C 55 to 105C Storage Temperature Range 55 to 125C 25 +25 50 20 +70 +100 Temperature (C) Environmental Specification 2 Shock: 981m/s for 6ms, three shocks in each Typical Frequency vs Temperature Curves direction along three mutually perpendicular planes for various angles of BT-cut crystals Vibration: 10 to 60Hz 0.75mm displacement, 60 to +10 2 500Hz 98.1m/s acceleration, 30 minutes in each of 0 three mutually perpendicular planes Marking Frequency only Minimum Order Information Required Frequency + Holder + Frequency Tolerance 25C + 50 Frequency Stability + Operating Temperature Range + Circuit Condition + Overtone Order + Tape & Reel Packaging Available 50 20 +25 +70 +100 Temperature (C) LEADED QUARTZ CRYSTALS f/f (ppm) 0 f/f (ppm) 0 12.7 min 4.0 max 4.7 12.7 min 4.0 max 4.7Electrical Specifications - maximum limiting values Frequency Stability Available Over Frequency Operating ESR Operating Temperature Frequency Range Tolerance Vibration Mode Temperature Range max. 25C 2C Minimum Maximum 0 to 50C 15ppm 100ppm 3.2 to <4.0MHz 10ppm to 100ppm 300 Fundamental AT cut -10 to 60C 20ppm 100ppm -20 to 70C 20ppm 100ppm -30 to 80C 25ppm 100ppm -40 to 90C 30ppm 100ppm -55 to105C 100ppm 500ppm 0 to 50C 15ppm 100ppm 4.0 to <5.5MHz 10ppm to 100ppm 130 Fundamental AT cut -10 to 60C 20ppm 100ppm -20 to 70C 20ppm 100ppm -30 to 80C 25ppm 100ppm -40 to 90C 30ppm 100ppm -55 to105C 100ppm 500ppm 0 to 50C 15ppm 100ppm 5.5 to <6.0MHz 10ppm to 100ppm 100 Fundamental AT cut -10 to 60C 20ppm 100ppm -20 to 70C 20ppm 100ppm -30 to 80C 25ppm 100ppm -40 to 90C 30ppm 100ppm -55 to105C 100ppm 500ppm 0 to 50C 15ppm 100ppm 6.0 to <9.0MHz 10ppm to 100ppm 80 Fundamental AT cut -10 to 60C 20ppm 100ppm -20 to 70C 20ppm 100ppm -30 to 80C 25ppm 100ppm -40 to 90C 30ppm 100ppm -55 to105C 100ppm 500ppm 0 to 50C 15ppm 100ppm 9.0 to <13.0MHz 10ppm to 100ppm 60 Fundamental AT cut -10 to 60C 20ppm 100ppm -20 to 70C 20ppm 100ppm -30 to 80C 25ppm 100ppm -40 to 90C 30ppm 100ppm -55 to105C 100ppm 500ppm 0 to 50C 15ppm 100ppm 13.0 to <20.0MHz 10ppm to 100ppm 40 Fundamental AT cut -10 to 60C 20ppm 100ppm -20 to 70C 20ppm 100ppm -30 to 80C 25ppm 100ppm -40 to 90C 30ppm 100ppm -55 to105C 100ppm 500ppm 0 to 50C 15ppm 100ppm 20.0 to <30.0MHz 10ppm to 100ppm 30 Fundamental AT cut -10 to 60C 20ppm 100ppm -20 to 70C 20ppm 100ppm -30 to 80C 25ppm 100ppm -40 to 90C 30ppm 100ppm -55 to105C 100ppm 500ppm LEADED QUARTZ CRYSTALS