 |
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
| Datasheet File OCR Text: |
| HC49/4H Crystals ISSUE 11; 13 MAY 2004 Delivery Options s Outline in mm - HC49/4H & HC49/4H-3L 4.0 max 4.0 max 0.45 4.880.2 == 123 11.05 Pin connecitons 1. Crystal 2. Case & ground 3. Crystal Common frequencies maybe available from stock Lower height holders available please contact sales office 0.45 Holder Style s 4.880.2 HC49/4H crystals are resistance welded, hermetically sealed in an inert atmosphere with glass to metal seals securing the lead wires Holders suffixed `-3L have a centre third wire which grounds the case 11.05 max 12.7 min LEADED QUARTZ CRYSTALS s General Specifications s Load Capacitance (CL): 10pF to 75pF or Series Drive Level: 500W 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 s s s Standard Frequency Tolerances and Stabilities s f/f0 (ppm) 10ppm, 20ppm, 30ppm, 50ppm, 100ppm, tighter tolerances and stabilites available on request. Operating Temperature Ranges s 0 0 to 50C -10 to 60C -20 to 70C -30 to 80C -40 to 90C -55 to 105C Storage Temperature Range s -55 to 125C -25 -50 -20 Environmental Specification s +25 Temperature (C) 4.7 4.7 12.7 min s +70 +100 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 Typical Frequency vs Temperature Curves for various angles of BT-cut crystals s +10 0 Marking s Frequency only Minimum Order Information Required s Frequency + Holder + Frequency Tolerance @ 25C + Frequency Stability + Operating Temperature Range + Circuit Condition + Overtone Order + Tape & Reel Packaging Available -50 f/f0 (ppm) -50 -20 +25 Temperature (C) +70 +100 Europe Tel: +44 (0)1460 270200 Fax: +44 (0)1460 72578 Americas Tel: +1 919 941 9333 Fax: +1 919 941 9371 1 Website: www.cmac.com/mt/ Asia Tel: +86 (21) 6468 6663 Fax: +86 (21) 6428 2466 Eur Am Electrical Specifications - maximum limiting values Frequency Stability Available Over Operating Temperature Minimum 0 to 50C -10 to 60C 3.0 to <4.0MHz 10ppm to 100ppm -20 to 70C -30 to 80C -40 to 90C -55 to 105C 0 to 50C -10 to 60C 4.0 to <5.5MHz 10ppm to 100ppm -20 to 70C -30 to 80C -40 to 90C -55 to 105C 0 to 50C -10 to 60C 5.5 to <6.0MHz 10ppm to 100ppm -20 to 70C -30 to 80C -40 to 90C -55 to 105C 0 to 50C -10 to 60C 6.0 to <9.0MHz 10ppm to 100ppm -20 to 70C -30 to 80C -40 to 90C -55 to 105C 0 to 50C -10 to 60C 9.0 to <13.0MHz 10ppm to 100ppm -20 to 70C -30 to 80C -40 to 90C -55 to 105C 0 to 50C -10 to 60C 13.0 to <20.0MHz 10ppm to 100ppm -20 to 70C -30 to 80C -40 to 90C -55 to 105C 0 to 50C -10 to 60C 20.0 to <30.0MHz 10ppm to 100ppm -20 to 70C -30 to 80C -40 to 90C -55 to 105C 15ppm 20ppm 20ppm 25ppm 30ppm 100ppm 15ppm 20ppm 20ppm 25ppm 30ppm 100ppm 15ppm 20ppm 20ppm 25ppm 30ppm 100ppm 15ppm 20ppm 20ppm 25ppm 30ppm 100ppm 15ppm 20ppm 20ppm 25ppm 30ppm 100ppm 15ppm 20ppm 20ppm 25ppm 30ppm 100ppm 15ppm 20ppm 20ppm 25ppm 30ppm 100ppm Maximum 100ppm 100ppm 100ppm 100ppm 100ppm 500ppm 100ppm 100ppm 100ppm 100ppm 100ppm 500ppm 100ppm 100ppm 100ppm 100ppm 100ppm 500ppm 100ppm 100ppm 100ppm 100ppm 100ppm 500ppm 100ppm 100ppm 100ppm 100ppm 100ppm 500ppm 100ppm 100ppm 100ppm 100ppm 100ppm 500ppm 100ppm 100ppm 100ppm 100ppm 100ppm 500ppm 30 Fundamental AT cut 40 Fundamental AT cut 60 Fundamental AT cut 80 Fundamental AT cut 100 Fundamental AT cut 130 Fundamental AT cut LEADED QUARTZ CRYSTALS Frequency Range Frequency Tolerance Operating @ 25C 2C Temperature Range ESR max. Vibration Mode 300 Fundamental AT cut Europe Tel: +44 (0)1460 270200 Fax: +44 (0)1460 72578 Americas Tel: +1 919 941 9333 Fax: +1 919 941 9371 2 Website: www.cmac.com/mt/ Asia Tel: +86 (21) 6468 6663 Fax: +86 (21) 6428 2466 Frequency Range Frequenct Tolerance Operating @ 25C 2C Temperature Range 0 to 50C Frequency Stability Available Over Operating Temperature Minimum 50ppm 70ppm 100ppm 15ppm 20ppm 20ppm 25ppm 50ppm 50ppm Maximum 100ppm 100ppm 100ppm 100ppm 100ppm 100ppm 100ppm 100ppm 100ppm ESR max. Vibration Mode 27.0 to 50.0MHz Inclusive with Frequency Stability -10 to 60C -20 to 70C 0 to 50C -10 to 60C 40 Fundamental BT cut 28.0 to 100.0MHz 10ppm to 100ppm -20 to 70C -30 to 80C -40 to 90C -55 to 105C 100 3rd Overtone AT cut Europe Tel: +44 (0)1460 270200 Fax: +44 (0)1460 72578 Americas Tel: +1 919 941 9333 Fax: +1 919 941 9371 3 Website: www.cmac.com/mt/ Asia Tel: +86 (21) 6468 6663 Fax: +86 (21) 6428 2466 |
Price & Availability of HC494H
 |
|
|
|
|
All Rights Reserved © IC-ON-LINE 2003 - 2022 |
| [Add Bookmark] [Contact Us] [Link exchange] [Privacy policy] |
|
Mirror Sites : [www.datasheet.hk]
[www.maxim4u.com] [www.ic-on-line.cn]
[www.ic-on-line.com] [www.ic-on-line.net]
[www.alldatasheet.com.cn]
[www.gdcy.com]
[www.gdcy.net] |