Miniature Crystals
UM-1, UM-4 & UM-5
Specifications
UM-1: 8ꢀ0mm maximum height
UM-4: 4ꢀ8mm maximum height
UM-5: 6ꢀ0mm maximum height
Product
Option
Code
Parameters
UM-1 UM-4 UM-5
Package:
UM-1
UM-4
UM-5
H
Frequency range: 3.579 ~ 300MHz
10.0 ~ 300MHz
Calibration tolerance:
5ppm
7.5ppm
10ppm
20ppm
30ppm
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˿
L
M
1
2
3
0.35Ø
12.00
(min)
ACTUAL SIZE
Other values ( 3ppm ~ 100ppmꢀ
specify
Temperature stability:
5ppm
7.5ppm
10ppm
20ppm
30ppm
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L
M
1
2
3
3.75
PackaigheHt e
UM-1
UM-4
UM-5
H
8.00 max
4.80 max
6.00 max
3.20
(max)
Other values ( 3ppm ~ 100ppmꢀ
specify
7.80
Scale 2:1
Operating temperature range:
0 to +50°C
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0
1
2
3
4
Slim case (2.6mm thick is available as an option over 20.0MHz. Contact our sales office for
details.
-10 to +60°C
-20 to +70°C
-30 to +80°C
-40 to +85°C
Features
Other values
specify
Circuit condition:
Oscillation mode:
12pF
16pF
20pF
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B
D
F
J
S
Ideal for custom frequencies & specifications
«
Wide frequency range
«
30pF
Series resonant
Other values
Tight specifications available
«
specify
Fundamental mode up to 55ꢀ0MHz
Fundamental
3rd overtone
5th overtone
7th overtone
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˿
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F
3
5
7
«
ESR Values
Static capacitance (C0): 7pF max
The table shows the maximum ESR values in ohms for each
package across the available frequency range.
Equivalent series resistance (max):
see table
Frequency
Mode
UM-1
UM-4
UM-5
Ageing:
3ppm max first year
100µW
3.5 ~ 4.99
5.0 ~ 5.99
6.0 ~ 6.99
7.0 ~ 7.99
8.0 ~ 9.99
10.0 ~ 15.9
16.0 ~ 55.0
30.0 ~ 49.9
50.0 ~ 100
60.0 ~ 150
130 ~ 300
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
3rd overtone
3rd overtone
5th overtone
7th overtone
200
150
120
100
90
-
-
-
-
Test drive level:
-
-
Standard. ˿ Optional - Please specify required code(s) when ordering
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-
-
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Ordering Information
40
60
40
50
60
120
150
60
40
50
60
120
150
30
Product name + option codes + frequency
eg: UM-1/231JF 24ꢀ576MHz 20/30/10/30-F
45
60
ͷ Insulating washers and mounting clips available. See our website
for details.
ͷ Some combinations of stability and temperature range may not be
available. Please check with us before ordering.
90
150
Tel: +44 1460 256 100
Fax: +44 1460 256 101
E-mail: sales@golledgeꢀcom
Web: wwwꢀgolledgeꢀcom
19 Jul 2002