Low Profile Crystal
HC49-4H & HC49-3H
Specifications
HC49-4H: 3.5mm maximum height
HC49-3H: 2.5mm maximum height
Parameters
Package:
2.50
(max)
0.43Ø
12.00
(min)
12.00
(min)
Product
HC49-4H
HC49-3H
Option
Code
HC49-4H
HC49-3H
3.50*
(max)
0.43Ø
Frequency range:
1.0MHz
3.2768 ~ 90.0MHz
3.579 ~ 90.0MHz
Calibration tolerance:
±20ppm
±30ppm
±50ppm
Other values (±10ppm ~ ±100ppm)
±30ppm
±50ppm
±100ppm
Other values (±10ppm ~ ±100ppm)
2
3
5
specify
3
5
C
specify
1
2
3
4
specify
B
D
E
F
J
specify
F
3
4.88
4.65
11.05
4.88
4.65
11.05
Temperature stability:
HC49-4H
*1.0MHz HC49-4H height is 4.00 (max)
HC49-3H
Scale 1:1
Features
«
«
«
«
«
Industry standard HC49 footprint
Fundamental mode available up to 50.0MHz
Comprehensive stock of standard frequencies
Low profile for close board stacking
Centre ground lead available
Operating temperature range:
-10 to +60°C
-20 to +70°C
-30 to +80°C
-40 to +85°C
Other values
Circuit condition:
12pF
16pF
18pF
20pF
30pF
Other values
Fundamental
3rd overtone
Oscillation mode:
Standard Frequencies
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
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
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
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 (C
0
):
Ageing:
Test drive level:
Standard.
7pF max
±3ppm max first year
100µW
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
Insulating washers and mounting clips available. See our website
for details.
Available on T&R - 1k pcs per reel.
Refer to our website for T&R and soldering details.
Not normally available in small quantities of non-standard frequen-
cies. Please check with us before ordering.
Tel:
+44 1460 256 100
26 Jul 2002
Fax:
+44 1460 256 101
E-mail:
sales@golledge.com
Web:
www.golledge.com
GOLLEDGE [ GOLLEDGE ELECTRONICS LTD ]
