HC49/4H Crystals ∅0.45 Holder Style ■ 4.88±0.2 4.88±0.2 4.7 HC49/4H crystals are resistance welded, hermetically sealed in an inert atmosphere with glass to metal seals securing the lead wires 1 2 3 11.05 11.05 max Holders suffixed ‘–3L have a centre third wire which grounds the case == Pin connecitons 1. Crystal 2. Case & ground 3. Crystal General Specifications ■ Load Capacitance (CL): 10pF to 75pF or Series ■ Drive Level: 500µW max. ■ Static Capacitance (C0): 7pF max. ■ Ageing: ±5ppm typical per year, ±1ppm available on request Typical Frequency vs Temperature Curves for various angles of AT-cut crystals +25 Standard Frequency Tolerances and Stabilities ±10ppm, ±20ppm, ±30ppm, ±50ppm, ±100ppm, tighter tolerances and stabilites available on request. ∆f/f0 (ppm) ■ Operating Temperature Ranges ■ 0 to 50°C 0 –30 to 80°C –10 to 60°C –40 to 90°C –20 to 70°C –55 to 105°C Storage Temperature Range ■ –55 to 125°C –25 –50 –20 Environmental Specification ■ Shock: 981m/s-2 for 6ms, three shocks in each direction along three mutually perpendicular planes ■ Vibration: 10 to 60Hz 0.75mm displacement, 60 to 500Hz 98.1m/s-2 acceleration, 30 minutes in each of three mutually perpendicular planes 0 Frequency only Frequency + Holder + Frequency Tolerance @ 25°C + Frequency Stability + Operating Temperature Range + Circuit Condition + Overtone Order + Tape & Reel Packaging Available –50 –50 Europe Tel: +44 (0)1460 270200 Fax: +44 (0)1460 72578 Americas Tel: +1 919 941 9333 Fax: +1 919 941 9371 +100 +10 Minimum Order Information Required ■ +70 Typical Frequency vs Temperature Curves for various angles of BT-cut crystals Marking ■ +25 Temperature (°C) ∆f/f0 (ppm) LEADED QUARTZ CRYSTALS ■ ∅0.45 4.7 Lower height holders available please contact sales office 12.7 min 4.0 max Common frequencies maybe available from stock ■ 12.7 min Delivery Options ■ 4.0 max Outline in mm - HC49/4H & HC49/4H-3L ISSUE 11; 13 MAY 2004 1 –20 +25 Temperature (°C) +70 +100 Website: www.cmac.com/mt/ Asia Tel: +86 (21) 6468 6663 Fax: +86 (21) 6428 2466 Eur Am Frequency Range 3.0 to <4.0MHz 4.0 to <5.5MHz 5.5 to <6.0MHz 6.0 to <9.0MHz 9.0 to <13.0MHz 13.0 to <20.0MHz 20.0 to <30.0MHz Frequency Tolerance Operating @ 25°C ±2°C Temperature Range ±10ppm to ±100ppm ±10ppm to ±100ppm ±10ppm to ±100ppm ±10ppm to ±100ppm ±10ppm to ±100ppm ±10ppm to ±100ppm ±10ppm to ±100ppm Frequency Stability Available Over Operating Temperature Minimum Maximum 0 to 50°C ±15ppm ±100ppm -10 to 60°C ±20ppm ±100ppm -20 to 70°C ±20ppm ±100ppm -30 to 80°C ±25ppm ±100ppm -40 to 90°C ±30ppm ±100ppm -55 to 105°C ±100ppm ±500ppm 0 to 50°C ±15ppm ±100ppm -10 to 60°C ±20ppm ±100ppm -20 to 70°C ±20ppm ±100ppm -30 to 80°C ±25ppm ±100ppm -40 to 90°C ±30ppm ±100ppm -55 to 105°C ±100ppm ±500ppm 0 to 50°C ±15ppm ±100ppm -10 to 60°C ±20ppm ±100ppm -20 to 70°C ±20ppm ±100ppm -30 to 80°C ±25ppm ±100ppm -40 to 90°C ±30ppm ±100ppm -55 to 105°C ±100ppm ±500ppm 0 to 50°C ±15ppm ±100ppm -10 to 60°C ±20ppm ±100ppm -20 to 70°C ±20ppm ±100ppm -30 to 80°C ±25ppm ±100ppm -40 to 90°C ±30ppm ±100ppm -55 to 105°C ±100ppm ±500ppm 0 to 50°C ±15ppm ±100ppm -10 to 60°C ±20ppm ±100ppm -20 to 70°C ±20ppm ±100ppm -30 to 80°C ±25ppm ±100ppm -40 to 90°C ±30ppm ±100ppm -55 to 105°C ±100ppm ±500ppm 0 to 50°C ±15ppm ±100ppm -10 to 60°C ±20ppm ±100ppm -20 to 70°C ±20ppm ±100ppm -30 to 80°C ±25ppm ±100ppm -40 to 90°C ±30ppm ±100ppm -55 to 105°C ±100ppm ±500ppm 0 to 50°C ±15ppm ±100ppm -10 to 60°C ±20ppm ±100ppm -20 to 70°C ±20ppm ±100ppm -30 to 80°C ±25ppm ±100ppm -40 to 90°C ±30ppm ±100ppm -55 to 105°C ±100ppm ±500ppm Europe Tel: +44 (0)1460 270200 Fax: +44 (0)1460 72578 Americas Tel: +1 919 941 9333 Fax: +1 919 941 9371 2 ESR max. Vibration Mode 300Ω Fundamental AT cut 130Ω Fundamental AT cut 100Ω Fundamental AT cut 80Ω Fundamental AT cut 60Ω Fundamental AT cut 40Ω Fundamental AT cut 30Ω Fundamental AT cut Website: www.cmac.com/mt/ Asia Tel: +86 (21) 6468 6663 Fax: +86 (21) 6428 2466 LEADED QUARTZ CRYSTALS Electrical Specifications - maximum limiting values Frequency Range 27.0 to 50.0MHz 28.0 to 100.0MHz Frequenct Tolerance Operating @ 25°C ±2°C Temperature Range Inclusive with Frequency Stability ±10ppm to ±100ppm Frequency Stability Available Over Operating Temperature Minimum Maximum 0 to 50°C ±50ppm ±100ppm -10 to 60°C ±70ppm ±100ppm -20 to 70°C ±100ppm ±100ppm 0 to 50°C ±15ppm ±100ppm -10 to 60°C ±20ppm ±100ppm -20 to 70°C ±20ppm ±100ppm -30 to 80°C ±25ppm ±100ppm -40 to 90°C ±50ppm ±100ppm -55 to 105°C ±50ppm ±100ppm Europe Tel: +44 (0)1460 270200 Fax: +44 (0)1460 72578 Americas Tel: +1 919 941 9333 Fax: +1 919 941 9371 3 ESR max. Vibration Mode 40Ω Fundamental BT cut 100Ω 3rd Overtone AT cut Website: www.cmac.com/mt/ Asia Tel: +86 (21) 6468 6663 Fax: +86 (21) 6428 2466