Low Profile Crys tal
HC4 9 -4 H & HC4 9 -3 H
Specifications
HC49-4H: 3.5mm maximum height
HC49-3H: 2.5mm maximum height
Product
Option
Code
Parameters
HC49-4H HC49-3H
Package:
HC49-4H
HC49-3H
2.50
(max)
Frequency range:
1.0MHz
3.50*
(max)
3.2768 ~ 90.0MHz
3.579 ~ 90.0MHz
0.43Ø
0.43Ø
12.00
(min)
12.00
(min)
Calibration tolerance:
±20ppm
±30ppm
±50ppm
˿
˿
˿
˿
˿
˿
2
3
5
4.88
4.88
Other values (±10ppm ~ ±100ppm)
specify
Temperature stability: ±30ppm
±50ppm
±100ppm
Other values (±10ppm ~ ±100ppm)
˿
˿
˿
˿
˿
˿
3
5
C
4.65
4.65
11.05
11.05
specify
HC49-4H
HC49-3H
Scale 1:1
*1.0MHz HC49-4H height is 4.00 (max)
Operating temperature range:
-10 to +60°C
˿
˿
˿
˿
˿
˿
˿
˿
1
2
3
4
-20 to +70°C
-30 to +80°C
-40 to +85°C
Other values
Features
specify
Industry standard HC49 footprint
«
«
«
«
Circuit condition:
Oscillation mode:
12pF
16pF
18pF
20pF
30pF
˿
˿
˿
˿
˿
˿
˿
˿
˿
˿
B
D
E
F
J
Fundamental mode available up to 50.0MHz
Comprehensive stock of standard frequencies
Low profile for close board stacking
Other values
specify
Fundamental
3rd overtone
˿
˿
F
3
Equivalent series resistance (max):
3000⏲ (1.0MHz)
200⏲ (>3.2 ~ 3.5MHz)
150⏲ (>3.5 ~ 4.0MHz)
120⏲ (>4.0 ~ 4.4MHz)
100⏲ (>4.4 ~ 7.0MHz)
70⏲ (>7.0 ~ 10.0MHz)
50⏲ (>10.0 ~ 50.0MHz, fund)
100⏲ (>25.0 ~ 90.0MHz, 3rd OT)
Static capacitance (C0): 7pF max
Ageing:
±3ppm max first year
100µW
Test drive level:
Standard. ˿ Optional - Please specify required code(s) when ordering
Ordering Information
Product name + frequency + specification code
eg: HC49-4H/351DF 18.4320MHz 30/50/10/16-F
HC49-3H/232S3 48.0MHz 20/30/20/S-3
ͷ Insulating washers and mounting clips available. See our website
for details.
ͷ Available on T&R - 1k pcs per reel.
ͷ Centre ground lead available on request.
ͷ Refer to our website for T&R and soldering details.
ͷ IMPORTANT: Not normally available in small quantities of
non-standard frequencies. Please check with us before ordering.
Tel: +44 1460 256 100
Fax: +44 1460 256 101
E-mail: sales@golledge.com
Web: www.golledge.com
03 Oct 2011