Datasheet

Miniature Crystals
UM-1, UM-4 & UM-5
Specifications
UM-1: 8.0mm maximum height
UM-4: 4.8mm maximum height
UM-5: 6.0mm maximum height
Product
Parameters
UM-1 UM-4 UM-5
Package:
UM-1
UM-4
UM-5
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Ideal for custom frequencies & specifications
Calibration tolerance:
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L
M
1
2
3
specify
Temperature stability:
±5ppm
±7.5ppm
±10ppm
±20ppm
±30ppm
Other values (±3ppm ~ ±100ppm)
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L
M
1
2
3
specify
Operating temperature range:
0 to +50°C
-10 to +60°C
-20 to +70°C
-30 to +80°C
-40 to +85°C
Other values
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0
1
2
3
4
specify
Circuit condition:
12pF
16pF
20pF
30pF
Series resonant
Other values
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B
D
F
J
S
specify
Oscillation mode:
Fundamental
3rd overtone
5th overtone
7th overtone
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F
3
5
7
7pF max
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Equivalent series resistance (max):
see table
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±3ppm max first year
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Tight specifications available
ESR Values
The table shows the maximum ESR values in ohms for each
package across the available frequency range.
Frequency
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
Mode
UM-1
UM-4
UM-5
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
3rd overtone
3rd overtone
5th overtone
7th overtone
200
150
120
100
90
40
30
45
60
90
150
60
40
50
60
120
150
60
40
50
60
120
150
Tel: +44 1460 256 100
19
01 Jul
May2002
1998
Fax: +44 1460 256 101
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Wide frequency range
Fundamental mode up to 55.0MHz
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3.579 ~ 300MHz
10.0 ~ 300MHz
±5ppm
±7.5ppm
±10ppm
±20ppm
±30ppm
Other values (±3ppm ~ ±100ppm)
Features
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Frequency range:
Slim case (2.6mm thick is available as an option over 20.0MHz. Contact our sales office
for details.
Option
Code
Static capacitance (C0):
Ageing:
Test drive level:
100μW
 Standard.  Optional - Please specify required code(s) when ordering
Ordering Information
Product name + option codes + frequency
eg: UM-1/231JF 24.576MHz 20/30/10/30-F
 Insulating washers and mounting clips available. See our website for
details.
 Some combinations of stability and temperature range may not be
available. Please check with us before ordering.
E-mail: [email protected]
Web: www.golledge.com