Low Profile Crystal
HC49-4H & HC49-3H
Specifications
HC49-4H: 3ꢀ5mm maximum height
HC49-3H: 2ꢀ5mm 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 ~ 100ppmꢀ
specify
Temperature stability:
30ppm
50ppm
100ppm
˿
˿
˿
˿
˿
˿
3
5
C
4.65
4.65
11.05
11.05
Other values ( 10ppm ~ 100ppmꢀ
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 50ꢀ0MHz
Comprehensive stock of standard frequencies
Low profile for close board stacking
Centre ground lead available
Other values
specify
Fundamental
3rd overtone
˿
˿
F
3
Equivalent series resistance (max):
3000⏲ (1.0MHzꢀ
Standard Frequencies
200⏲ (>3.2 ~ 3.5MHzꢀ
150⏲ (>3.5 ~ 4.0MHzꢀ
120⏲ (>4.0 ~ 4.4MHzꢀ
100⏲ (>4.4 ~ 7.0MHzꢀ
Frequencies in MHz
1.000000*
3.276800
3.579545
3.686400
3.840000
4.000000
4.032000
4.096000
4.194304
4.433619
4.500000
4.915200
5.000000
5.068800
6.000000
6.144000
6.176000
6.400000
14.745600
15.000000
15.360000
16.000000
16.384000
16.934400
17.734475
18.000000
18.432000
19.000265
19.660800
20.000000
20.275200
21.250000
22.118400
22.579200
24.000000
24.000140
24.576000
25.175000
28.322000
29.491200
30.000000
32.000000
32.768000
35.251200
36.000000
40.000000
48.000000
50.000000
60.000000
7.372800
7.680000
8.000000
8.064000
8.192000
8.867237
9.000000
9.216000
9.830400
10.000000
10.240000
10.245000
11.059200
12.000000
12.288000
14.318181
70⏲ (>7.0 ~ 10.0MHzꢀ
50⏲ (>10.0 ~ 50.0MHz, fundꢀ
100⏲ (>25.0 ~ 90.0MHz, 3rd OTꢀ
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 18ꢀ4320MHz 30/50/10/16-F
HC49-3H/232S3 48ꢀ0MHz 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 Refer to our website for T&R and soldering details.
ͷ Not normally available in small quantities of non-standard frequen-
cies. Please check with us before ordering.
Tel: +44 1460 256 100
Fax: +44 1460 256 101
E-mail: sales@golledgeꢀcom
Web: wwwꢀgolledgeꢀcom
26 Jul 2002