2001 - 10G30B
Abstract: 10G20C 10G20D hc49 8 Mhz 10G7A 10G15B 10G15C 10G7C GMCF-10 10G7D
Text: Style 1800 // 6.0 HC49/ 3L 1800 // 5.0 (CC=11.0pF) 1800 // 5.0 1800 // 5.0 HC49/3Lx2 F15 , ( // pF) Package Style 3300 // 1.5 HC49/ 3L 3300 // 1.5 (CC=6.0pF) 3300 // 2.0 3300 // 2.0 , ~ ±300 Termination ( // pF) Package Style 3000 // 2.0 HC49/ 3L 3000 // 2.0 (CC , HC49/ 3L 3900 // 1.0 (CC=3.0pF) 3900 // 1.0 3900 // 1.0 HC49/3Lx2 F15/12B F18/12P 50.0kHz , Web: www.golledge.com Package Style HC49/ 3L HC49/3Lx2 F15/12B F18/12P Package Drawings
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GMCF-10
10G7A
10G7B
10G7C
10G7D
F13/8A
F11/8A
F15/12B
F18/12P
10G30B
10G20C
10G20D
hc49 8 Mhz
10G7A
10G15B
10G15C
10G7C
GMCF-10
10G7D
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2001 - 17,5 MHZ
Abstract: 10G22D HC49 14.000 MHZ 10G6C 250f38 UM-1J um 60
Text: Package Style 700 // 18 F38/12A 2000 // 5.0 HC49/ 3L 2000 // 4.0 HC49/3Lx2 700 // 18 3900 HC49/ 3L 3900 HC49/3Lx2 5600 HC49/ 3L 1200 // 7.0 F18/12P 910 // 10.0 1200 // 5.0 F23/12B HC49/ 3L 1200 // 5.0 HC49/3Lx2 1200 // 5.0 F18/12P 2000 HC49/ 3L , GMCF UM-1/ 3L , UM-4/ 3L & UM-5/ 3L HC49/ 3L & HC49T/ 3L H H 0.35Ø 0.43Ø 12.00 (min , ) Height H UM-1/ 3L UM-4/ 3L UM-5/ 3L 8.00 max 4.80 max 6.00 max Package UM-1/3Lx2 is a pair
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8G22D
9G22C
9G22D
9G24F
106G22D
10G22D
14G22C
14G22D
9G15A
9G15B
17,5 MHZ
10G22D
HC49 14.000 MHZ
10G6C
250f38
UM-1J
um 60
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2013 - 10G7C
Abstract: No abstract text available
Text: (Ω // pF) Package Style 1800 // 6.0 HC49/ 3L 1800 // 5.0 (CC=11.0pF) 1800 // 5.0 1800 , ~ -1000 +300 ~ +1000 -200 ~ -1000 ±20.0 ~ ±300 ±20.0 ~ ±300 3300 // 1.5 HC49/ 3L 3300 , Style 3000 // 2.0 HC49/ 3L 3000 // 2.0 (CC=5.0pF) 3300 // 1.5 3300 // 1.5 HC49/3Lx2 F15 , ±300 Termination (Ω // pF) Package Style 3900 // 1.0 HC49/ 3L 3900 // 1.0 (CC=3.0pF) 3900 // 1.0 , ±300 Termination (Ω // pF) Package Style 5000 // 0 HC49/ 3L 5000 // -1.0 (CC=0.5pF) 5000 // -1.0
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GMCF-10
10G7A
10G7B
10G7C
10G7D
HC49/3Lx2
F15/12B
F18/12P
HC49/3L
HC49T/3L
10G7C
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HC 240
Abstract: HC-49 Crystals crystal HC 49 HC-49/U HC-49 3.579545 HC49 4H0801 HC49 U3H
Text: resonance 4H135-12( 3L ) 4H( 3L ) = HC-49/U-4H( 3L ) 135 = 13.500 MHz Parallel resonance CL = 12pF , PACKAGE DATA Package HC-49/U-2H HC-49/U-3H HC-49/U-4H HC-49/U-4H( 3L ) Cover Metal , 11.35max. HC-49/U-4H( 3L ) 3.80max. 10.5max. 3.5max. 3.5max. 10.5max. 3.80max. 12min , -40 f/f -60 -80 -100 -120 -140 -160 -180 -200 -60 -40 -20 3H450S HC-49/U-4H( 3L , . Package type HC-49/U-2H, HC-49/U-3H, HC-49/U-4H & HC-49/U-4H( 3L ) 2. Frequency range 3.579545 MHz to
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HC-49/U-2H,
HC-49/U-3H
HC-49/U-4H
4H080-16
HC-49/U-4H
2H221-18
HC-49/U-2H
4H135-12
HC 240
HC-49 Crystals
crystal HC 49
HC-49/U
HC-49
3.579545
HC49
4H0801
HC49 U3H
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2005 - 21G30B
Abstract: 21G30D 21G15C 21G30A 21G7B 21G20D 21G7D 21G15B 21G15A 21G20C
Text: Style 850 // 6.0 UM-1/ 3L 850 // 5.0 (CC=16pF) 850 // 5.0 850 // 5.0 UM-1/3Lx2 Termination ( // pF) Package Style 1200 // 3.0 UM-1/ 3L 1200 // 2.5 (CC=10.5pF) 1200 // 2.5 , -1/ 3L 1500 // 2.0 (CC=8.0pF) 1500 // 2.0 1500 // 2.0 1600 // 2.0 UM-1/3Lx2 Termination ( // pF) Package Style 1800 // 1.5 UM-1/ 3L 1500 // 2.0 (CC=6.5pF) 1800 // 1.5 1800 // 1.5 UM-1/3Lx2 Termination ( // pF) Package Style 3000 // 0.5 UM-1/ 3L 3000 // -0.5 (CC
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GMCF-21
21G7A
21G7B
21G7C
21G7D
F13/8A
F11/8A
F15/12B
F18/12P
21G30B
21G30D
21G15C
21G30A
21G7B
21G20D
21G7D
21G15B
21G15A
21G20C
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2001 - 45g15b1
Abstract: 45G7B1 910-300 45G15A1 45G7A1 GMCF-45 45g15b3
Text: ) Package Style 300 // 10.0 300 // 8.0 (CC=20pF) 650 // 4.5 UM-1/ 3L UM-1/3Lx2 650 // 1.5 (CC , // -1.0 UM-1/ 3L UM-1/3Lx2 4000 // -1.0 (CC=-1.0pF) 5000 // -1.0 UM-1/3Lx2 5000 // -1.0 (CC=-1.5pF) 8000 // -1.0 UM-1/3Lx2 UM-1/ 3L UM-1/ 3L UM-1/ 3L 3rd Overtone Mode Model Number , =-1.5pF) UM-1/ 3L UM-1/ 3L UM-1/ 3L UM-1/3Lx2 Operating temperature range of -20 to +70°C. Most UM , : www.golledge.com Package Drawings GMCF UM-1/ 3L , UM-4/ 3L & UM-5/ 3L HC49/ 3L & HC49T/ 3L H H 0.35Ø
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GMCF-45
45G7A1
45G7B1
45G15A1
45G15B1
45G20A1
45G20B1
45G30A1
45G30B1
HC49T
45g15b1
45G7B1
910-300
45G15A1
45G7A1
GMCF-45
45g15b3
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2001 - GMCF-HF 70G20B
Abstract: 58.1125 90G15B 90g20 70G15A 70G15B
Text: 2000 // -1.0 UM-1/ 3L 2000 // -1.0 (CC=-1.0pF) 2500 // -1.0 UM-1/3Lx2 2500 // -1.0 (CC , ) Package Style UM-1/ 3L UM-1/ 3L 90Mhz 3rd Overtone Model Number Centre Frequency (MHz , -300 ~ -1000 1400 // 0 UM-1/ 3L 1400 // 0 (CC=0pF) 1500 // -1.0 UM-1/3Lx2 1500 //-1.0 (CC=1.0pF) 4000 // -1.0 UM-1/3Lx2 4000 // -1.0 (CC=1.0pF) UM-1/ 3L UM-1/ 3L UM-1/3Lx2 , 256 101 E-mail: sales@golledge.com Web: www.golledge.com Package Drawings GMCF UM-1/ 3L
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90MHz
55MHz
55G12B
55G20B
58G15B
58G20B
HC49T
HC49/3Lx2
HC49/3Ls
GMCF-HF 70G20B
58.1125
90G15B
90g20
70G15A
70G15B
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45g15b1
Abstract: 45G15A1 HC49 um 44 diode 45G7A1 45G7B1 GMCF-45
Text: ) Package Style 300 // 10.0 300 // 8.0 (CC=20pF) 650 // 4.5 UM-1/ 3L UM-1/3Lx2 650 // 1.5 (CC=9.0pF) 700 // 2.5 UM-1/ 3L UM-1/3Lx2 UM-1/ 3L 700 // 1.5 (CC=6.5pF) 800 // 1.5 UM-1/3Lx2 800 , // -0.5 (CC=1pF) 4000 // -1.0 UM-1/ 3L UM-1/3Lx2 4000 // -1.0 (CC=-1.0pF) 5000 // -1.0 UM-1/3Lx2 UM-1/ 3L 3rd Overtone Mode Model Number Centre Frequency (MHz) Number of Poles , -300 ~ -1000 +500 ~ +1000 -300 ~ -1000 UM-1/ 3L UM-1/ 3L 5000 // -1.0 (CC=-1.5pF) 8000
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GMCF-45
45G7A1
45G7B1
45G15A1
45G15B1
45G20A1
45G20B1
45G30A1
45G30B1
HC49T
45g15b1
45G15A1
HC49
um 44 diode
45G7A1
45G7B1
GMCF-45
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2013 - Not Available
Abstract: No abstract text available
Text: ) Package Style 300 // 10.0 300 // 8.0 (CC=20pF) 650 // 4.5 UM-1/ 3L UM-1/3Lx2 UM-1/ 3L 650 , // -0.5 (CC=1pF) 4000 // -1.0 UM-1/ 3L UM-1/3Lx2 4000 // -1.0 (CC=-1.0pF) 5000 // -1.0 UM , UM-1/ 3L UM-1/ 3L 3rd Overtone Mode Model Number Centre Frequency (MHz) Number of , ~ -1000 +500 ~ +1000 -300 ~ -1000 +500 ~ +1000 -300 ~ -1000 UM-1/ 3L UM-1/ 3L UM-1/ 3L ï , UM-1/ 3L , UM-4/ 3L & UM-5/ 3L HC49/ 3L & HC49T/ 3L Connec Marks R//C Connec Marks R//C R
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GMCF-45
45G7A1
45G7B1
45G15A1
45G15B1
45G20A1
45G20B1
45G30A1
45G30B1
HC49/3L
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2001 - 21G30D
Abstract: 21G30B 21G15B GMCF-21 21G15C 21G15A 21G20C 21G20D 21G7B 21G30A
Text: Style 850 // 6.0 UM-1/ 3L 850 // 5.0 (CC=16pF) 850 // 5.0 850 // 5.0 UM-1/3Lx2 Termination ( // pF) Package Style 1200 // 3.0 UM-1/ 3L 1200 // 2.5 (CC=10.5pF) 1200 // 2.5 , -1/ 3L 1500 // 2.0 (CC=8.0pF) 1500 // 2.0 1500 // 2.0 1600 // 2.0 UM-1/3Lx2 Termination ( // pF) Package Style 1800 // 1.5 UM-1/ 3L 1800 // 1.5 (CC=5.0pF) 1800 // 1.5 1800 // 1.5 UM-1/3Lx2 Termination ( // pF) Package Style 3000 // 0.5 UM-1/ 3L 3000 // -0.5 (CC
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GMCF-21
21G7A
21G7B
21G7C
21G7D
F13/8A
F11/8A
F15/12B
F18/12P
21G30D
21G30B
21G15B
GMCF-21
21G15C
21G15A
21G20C
21G20D
21G7B
21G30A
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2013 - 58.1125
Abstract: No abstract text available
Text: 2000 // -1.0 UM-1/ 3L 2000 // -1.0 (CC=-1.0pF) 2500 // -1.0 UM-1/3Lx2 UM-1/ 3L 2500 , (Ω // pF) Package Style 1400 // 0 UM-1/ 3L UM-1/ 3L 90Mhz 3rd Overtone Model Number , =1.0pF) 4000 // -1.0 4000 // -1.0 (CC=1.0pF) UM-1/3Lx2 UM-1/ 3L UM-1/3Lx2 UM-1/ 3L UM-1/3Lx2 ï , UM-1/ 3L , UM-4/ 3L & UM-5/ 3L HC49/ 3L & HC49T/ 3L Connec Marks R//C Connec Marks R//C R , -1JN/ 3L , UM-4JN/ 3L &âUM-5JN/ 3L Tel: +44 1460 256 100 06 Mar 2000 Fax: +44 1460 256 101 R//C
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90MHz
55MHz
55G12B
55G20B
58G15B
58G20B
-10ure
HC49/3L
HC49T/3L
HC49/3Lx2
58.1125
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HC49-3L
Abstract: HC49 Crystals HC49 "HC49 Crystals" HC50
Text: - HC49 & HC49-3L 10.2 10.2 ez)x< H-H ' 11.05 ' 4.65 (T7T)T4.65 11.05 Pin connections 1. Crystal 2 , '- 3L 'have a centre third wire which grounds the case Marking â Includes Frequency General Specifications " , Outline - HC49/T & HC49/T- 3L 11.05 -H=h-4.8 12 3 ("â¢â¢"") T4-65 11.05 Pin connections 1. Crystal 2
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OCR Scan
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150MHz
HC49/T
48hrs
10ppm
25ppm,
999MHz
10ppm
25ppm
HC49-3L
HC49 Crystals
HC49
"HC49 Crystals"
HC50
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2013 - Not Available
Abstract: No abstract text available
Text: (Ω // pF) Package Style 850 // 6.0 UM-1/ 3L 850 // 5.0 (CC=16pF) 850 // 5.0 850 , Style 1200 // 3.0 UM-1/ 3L 1200 // 2.5 (CC=10.5pF) 1200 // 2.5 1200 // 2.5 1200 // 2.0 UM , Style 1500 // 2.0 UM-1/ 3L 1500 // 2.0 (CC=8.0pF) 1500 // 2.0 1500 // 2.0 1600 // 2.0 UM , ) Termination (Ω // pF) Package Style 1800 // 1.5 UM-1/ 3L 1500 // 2.0 (CC=6.5pF) 1800 // 1.5 , (Ω // pF) Package Style 3000 // 0.5 UM-1/ 3L 3000 // -0.5 (CC=3.0pF) 2200 // 0.5 2200
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GMCF-21
21G7A
21G7B
21G7C
21G7D
HC49/3L
HC49T/3L
HC49/3Lx2
HC49/3Ls
F11/8A
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2010 - IQD HC49
Abstract: HC49/3H HC49
Text: HC49/4H AUTO ISSUE 2; 1 NOVEMBER 2010 - RoHS 2002/95/EC Description Outline (mm) Standard 2-Lead Device HC49/4H AUTO Resistance welded, hermetically sealed metal package 10.16 max Height Package Height HC49/4H = 4.0mm max HC49/3H = 3.0mm max 13.2±0.5 = 1 2 3 4.7 max 11.05 max Pin Connections 1. Crystal 2. Case & GND 3. Crystal Outline (mm) Gull-Wing Device HC49/4H AUTO - Gull-Wing Variant `- 3L , °C 40 to 125°C 40 to 150°C Environmental Outline (mm) 3-Lead Device HC49/4H AUTO - 3L Operating
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HC49/4H
2002/95/EC
HC49/4H
HC49/3H
AEC-Q200
TS16949
15ppm
50ppm
IQD HC49
HC49/3H
HC49
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2010 - EIA-468-C
Abstract: No abstract text available
Text: HC49 AUTO ISSUE 2; 1 NOVEMBER 2010 - RoHS 2002/95/EC Description Outline (mm) Standard 2-Lead Device HC49 AUTO Resistance welded, hermetically sealed metal package Holders suffixed `- 3L ' have a centre third wire which grounds the case. General Specifications Load Capacitance (CL): 16pF standard Drive Level: 50W standard Ageing: ±5ppm max per year at 25°C Shunt Capacitance (C0): 7pF max , Outline (mm) 3-Lead Device HC49 AUTO - 3L 10.16 max 13.21 max 13.2±0.5 4.7 max Pin Connections 1
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2002/95/EC
10ppm
30ppm
15ppm
50ppm
30ppm
50ppm
FS566088
EIA-468-C
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HC43 c-mac
Abstract: HC49 HC49-3L HC50
Text: HC49 CRYSTALS Outline in mm (inches) - HC49 & HC49-3L ISSUE 9; 7 SEPTEMBER 1999 n n Common frequencies are available from stock. Please see p4 for details 1 3 .4 6 m a x (0 .5 3 m a x ) 3 day Express Manufacturing Service, subject to piece part stock availability Holder Style , 1 2 .7 m in (0 .5 m in ) 4 .8 8 (0 .1 9 2 ) 4 .6 5 (0 .1 8 3 ) Holders suffixed ` 3L have a , (inches) - HC49/T & HC49/T- 3L Storage Temperature Range n 1 0 .2 (0 .4 0 2 ) 1 1 .1 m a x (0 .4 3 7
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HC49-3L
100ppm
10ppm
20ppm
25ppm
HC43 c-mac
HC49
HC49-3L
HC50
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2012 - IQD HC49
Abstract: LFXTAL003335 7.3728mhz LFXTAL003115 LFXTAL003263 LFXTAL003523 3.2768MHz crystal LFXTAL003185 3.6864MHz HC49 smd 12Mhz
Text: IQD Frequency Products Incorporating IQD FOQ GmbH Crystal Specification Model: HC49/4H ISSUE 15; April 2012 - RoHS 2011/65/EU Description Industry standard leaded package Resistance welded, hermetically sealed in an inert atmosphere, glass to metal seals on leads Variants available include but are not limited to 3L = a centre mounted third leg grounds the can Low profile versions , /s², 30mins in 3 mutually perpendicular planes - 3L = 3 Lead Ordering Information Example 10.0MHz
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HC49/4H
2011/65/EU
HC49/4HSMX
10ppm
100ppm
60C/20
LFXTAL003102
0592MHz
70C/30
LFXTAL003523
IQD HC49
LFXTAL003335
7.3728mhz
LFXTAL003115
LFXTAL003263
LFXTAL003523
3.2768MHz crystal
LFXTAL003185
3.6864MHz
HC49 smd 12Mhz
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HC49-3L
Abstract: HC49
Text: HC49 CRYSTALS Outline (mm) - HC49 & HC49-3L ISSUE 13; 1 NOVEMBER 2008 - RoHS 2002/95/EC Holder Style 10.2 10.2 Holder HC49-T has a truncated height of 11.1mm max Load Capacitance (CL): 10pF to 75pF or Series Drive Level: 1mW max. Static Capacitance (C0): 7pF max. Ageing: ±3ppm typical per year Ø0.45 4.65 4.88 11.05 Packaging 12.7 min General Specifications , 12.7 min 13.46 max Holders suffixed - 3L have a centre third wire which grounds 13.46 max
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HC49-3L
2002/95/EC
HC49-T
100ppm
50ppm
HC49-3L
HC49
|
Quartz Crystal Oscillators 3.57MHz
Abstract: crystal 3.579545MHZ hc49 hc49 12 Mhz Specification Quartz Crystals 3.57Mhz 5th overtone 120MHz crystal oscillator design l108d T807 Specification Quartz Crystals 1Mhz Crystal Oscillators 3.57MHz HC49 4.608MHZ
Text: 941 0430 Fax: +1 919 941 0530 UM1 CRYSTALS Outline in mm (inches) - UM1 & UM1- 3L ISSUE 8 , 7 2 m in ) 3 .7 5 (0 .1 4 8 ) 3 .2 (0 .1 2 6 ) Holders suffixed ` 3L have a centre third wire , 0430 Fax: +1 919 941 0530 UM5 & UM4 CRYSTALS Outline in mm (inches) - UM5 & UM5- 3L ISSUE 6 , ) Æ 0 .3 5 (Æ 0 .0 1 4 ) Holders suffixed ` 3L have a centre third wire which grounds the case , ) - UM4 & UM4- 3L Standard Frequency Tolerances and Stabilities 1 2 3 7 .8 (0 .3 0 7 ) Shock
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768kHz
Quartz Crystal Oscillators 3.57MHz
crystal 3.579545MHZ hc49
hc49 12 Mhz
Specification Quartz Crystals 3.57Mhz
5th overtone 120MHz crystal oscillator design
l108d
T807
Specification Quartz Crystals 1Mhz
Crystal Oscillators 3.57MHz
HC49 4.608MHZ
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2010 - HC49 Crystals
Abstract: HC49 IQD HC49-3L
Text: HC49 CRYSTALS ISSUE 15; 1 NOVEMBER 2010 - RoHS 2002/95/EC Description Outline (mm) - HC49 & HC49-3L Variants available include but are not limited to:- Please contact our sales offices for more options Stock parts listed at the beginning of this chapter General Specifications Ø0.45 4.88 12.7 min Ø0.45 4.88 = = 1 2 3 11.05 4.65 Load Capacitance (CL): 10pF to 75pF or Series Drive Level , )650 798 5047; Asia Pacific - Taiwan, +886 (0)2 8758 2283 4.65 12.7 min 3L = a centre mounted
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2002/95/EC
HC49-3L
10ppm,
15ppm,
20ppm,
30ppm
10ppm
20ppm
25ppm
50ppm
HC49 Crystals
HC49 IQD
HC49-3L
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HC49 IQD
Abstract: No abstract text available
Text: IQD Frequency Products Incorporating IQD FOQ GmbH Crystal Specification Model: HC49 ISSUE 15; February 2012 - RoHS 2011/65/EU Description Industry standard leaded package Resistance welded, hermetically sealed in an inert atmosphere, glass to metal seals on leads Variants available include but are not limited to: 3L = an additional centre mounted leg grounds the can TW = an additional , in 3 mutually perpendicular planes Storage Temperature Range: -55 to 125°C - 3L = 3 Lead Ordering
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2011/65/EU
100ppm
200ppm
HC49 IQD
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2002 - HC49 Crystals
Abstract: No abstract text available
Text: HC49 Crystals ISSUE 9; 7 SEPTEMBER 1999 Delivery Options Outline in mm - HC49 & HC49-3L 10.2 10.2 Common frequencies maybe available from stock Express Manufacturing Service available, subject to piece part stock availability 13.46 max 13.46 max Holder Style HC49 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 12.7 min 0.45 4.88
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HC49-3L
100ppm
10ppm
HC49 Crystals
|
HC49 Crystals
Abstract: 20mhz Quartz Crystals HC49 HC49-3L
Text: HC49 Crystals Outline in mm - HC49 & HC49-3L Holder Style HC49 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 0.45 4.88 4.65 I General Specifications I Load Capacitance (CL): 10pF to 75pF or Series I Ageing: ±3ppm typical per year 12 3 Static Capacitance (C0): 7pF max. I 4.88 = = Drive Level: 1mW max. I 0.45 Standard
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HC49-3L
10ppm,
15ppm,
50ppm
100ppm
HC49 Crystals
20mhz Quartz Crystals
HC49
HC49-3L
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2002 - HC49 Crystals
Abstract: No abstract text available
Text: HC49 Crystals ISSUE 10; 10 APRIL 2002 Delivery Options Outline in mm - HC49 & HC49-3L 1 0 .2 1 0 .2 Common frequencies maybe available from stock Express Manufacturing Service available, subject to piece part stock availability 1 3 .4 6 m a x 1 3 .4 6 m a x Holder Style HC49 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 1 2 .7 m
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HC49-3L
100ppm
10ppm
HC49 Crystals
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2005 - HC49 Crystals
Abstract: "HC49 Crystals" 20mhz Quartz Crystals HC49-3L HC49
Text: HC49 Crystals Outline in mm - HC49 & HC49-3L Holder Style HC49 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 0.45 4.88 4.65 I General Specifications I Load Capacitance (CL): 10pF to 75pF or Series I Ageing: ±3ppm typical per year 12 3 Static Capacitance (C0): 7pF max. I 4.88 = = Drive Level: 1mW max. I 0.45 Standard
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HC49-3L
10ppm,
15ppm,
100ppm
50ppm
HC49 Crystals
"HC49 Crystals"
20mhz Quartz Crystals
HC49-3L
HC49
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