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
UM-1 UM-4 UM-5
UM-1
UM-4
UM-5
3.579 ~ 300MHz
10.0 ~ 300MHz
L
M
1
2
3
specify
L
M
1
2
3
specify
0
1
2
3
4
specify
B
D
F
J
S
specify
F
3
5
7
Parameters
Package:
Option
Code
Frequency range:
Calibration tolerance:
±5ppm
±7.5ppm
±10ppm
±20ppm
±30ppm
Other values (±3ppm ~ ±100ppm)
Temperature stability:
±5ppm
±7.5ppm
±10ppm
±20ppm
±30ppm
Other values (±3ppm ~ ±100ppm)
Slim case (2.6mm thick is available as an option over 20.0MHz. Contact our sales office
for details.
Features
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
Circuit condition:
12pF
16pF
20pF
30pF
Series resonant
Other values
Fundamental
3rd overtone
5th overtone
7th overtone
7pF max
Ideal for custom frequencies & specifications
Wide frequency range
Tight specifications available
Fundamental mode up to 55.0MHz
Oscillation mode:
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
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
3rd overtone
3rd overtone
5th overtone
7th overtone
UM-1
200
150
120
100
90
40
30
45
60
90
150
UM-4
-
-
-
-
-
60
40
50
60
120
150
UM-5
-
-
-
-
-
60
40
50
60
120
150
Static capacitance (C
0
):
Equivalent series resistance (max):
see table
Ageing:
±3ppm max first year
100μW
Test drive level:
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.
Tel:
+44 1460 256 100
19 Jul 2002
01 May 1998
Fax:
+44 1460 256 101
E-mail:
sales@golledge.com
Web:
www.golledge.com
Switching Power Supply Study Group
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