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HC49-4H_16 Datasheet, PDF (1/1 Pages) Golledge Electronics Ltd – Low Profile Crystal | |||
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Low Profile Crystal
2011/65/EU
0.43Ã
3.50*
(max)
12.00
(min)
0.43Ã
2.50
(max)
12.00
(min)
4.88
4.88
4.65
11.05
HC49-4H
*1.0MHz HC49-4H height is 4.00 (max)
4.65
11.05
HC49-3H
Features
ï Industry standard HC49 footprint
ï Fundamental mode available up to 50.0MHz
ï Comprehensive stock of standard frequencies
ï Low profile for close board stacking
HC49-4H & HC49-3H
Specifications
HC49-4H: 3.5mm maximum height
HC49-3H: 2.5mm maximum height
Parameters
Package:
HC49-4H
HC49-3H
Frequency range:
1.0MHz
3.2768 ~ 90.0MHz
3.579 ~ 90.0MHz
Calibration tolerance: ±20ppm
±30ppm
±50ppm
Other values (±10ppm ~ ±100ppm)
Temperature stability: ±30ppm
±50ppm
±100ppm
Other values (±10ppm ~ ±100ppm)
Product
HC49-4H HC49-3H
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Operating temperature range:
-10 to +60°C
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-20 to +70°C
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-30 to +80°C
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-40 to +85°C
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Other values
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Circuit condition:
12pF
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16pF
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18pF
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20pF
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30pF
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Other values
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Oscillation mode: Fundamental
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3rd overtone
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Equivalent series resistance (max):
3000Ω (1.0MHz)
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200Ω (>3.2 ~ 3.5MHz)
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150Ω (>3.5 ~ 4.0MHz)
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120Ω (>4.0 ~ 4.4MHz)
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100Ω (>4.4 ~ 7.0MHz)
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70Ω (>7.0 ~ 10.0MHz)
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50Ω (>10.0 ~ 50.0MHz, fund)
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100Ω (>25.0 ~ 90.0MHz, 3rd OT)
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Static capacitance (C0): 7pF max
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Ageing:
±3ppm max first year
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Test drive level:
100μW
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ï® Standard. ï° Optional - Please specify required code(s) when ordering
Option
Code
2
3
5
specify
3
5
C
specify
1
2
3
4
specify
B
D
E
F
J
specify
F
3
Ordering Information
Product name + frequency + specificationâcode
eg: HC49-4H/351DF 18.4320MHz 30/50/10/16-F
HC49-3H/232S3 48.0MHz 20/30/20/S-3
ï· Insulating washers and mounting clips available. See our website for
details.
ï· Available on T&R - 1k pcs per reel.
ï· Centre ground lead available on request.
ï· Refer to our website for T&R and soldering details.
ï· IMPORTANT:âNot normally available in small quantities of
non-standard frequencies. Please check with us before ordering.
Tel: +44 1460 256 100
03 Oct 2011
Fax: +44 1460 256 101
E-mail: sales@golledge.com
Web: www.golledge.com
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