C R Y S T A L S
UM-1
UM–1
Resistance Weld Miniature Crystal
F E AT U R E S
Industry Standard Package
•
Wide Frequency Range
•
Small Footprint
•
Low Profile
•
Excellent Aging
•
Parameter
Frequency
Range
Frequency
Tolerance
Frequency
Stability
Operating
Storage
Shunt
Capacitance (C
o
)
Load
Capacitance (C
L
)
Drive Level
Unit
MHz
ppm
ppm
°C
pF
pF
mW
ppm
Condition
Min
3.579545
Typ
Max
300
±50
±100
Note
25°C
Ref: @
25°C
OPTIONS
-55
+125
7.0
Tape & Reel
•
Lower Profile Available
•
Metal Jacket
•
Customer
Specified
10
18
Series
1.0
±3.0
.28"
(7,1mm)
.095"
(2,4mm)
Aging Per Year
Frequency Range
3.579 - 4.000
Mode
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
Fundamental
3rd Overtone
5th Overtone
7th Overtone
ESR (Ω)
300
250
180
120
100
90
60
40
60
100
150
.315"
(8,0mm)
4.000 - 5.000
5.000 - 6.000
6.000 - 7.000
7.000 - 8.000
8.000 - 10.000
.014"
(0,35mm)
.472"
(12,0mm)
10.000 - 11.000
11.000 - 27.000
25.000 - 65.000
60.000 - 130.000
130.000 - 300.000
.148"
(3,75±0,20mm)
.126"
(3,2mm)
.311"
(7,9mm)
Typical Temperature Characteristics
Tolerances
Temp. Ranges
0 to 50°C
-10 to 60°C
-20 to 70°C
-30 to 80°C
-40 to 85°C
-55 to 105°C
-55 to 125°C
±5
ppm
Y
Y
Y
N
N
N
N
±10
ppm
Y
Y
Y
N
N
N
N
±15
ppm
Y
Y
Y
Y
N
N
N
±20
ppm
Y
Y
Y
Y
Y
N
N
±25
ppm
Y
Y
Y
Y
Y
N
N
±50
ppm
Y
Y
Y
Y
Y
Y
N
±100
ppm
Y
Y
Y
Y
Y
Y
Y
Notes:
1. Please refer to typical temperature characteristics in chart above.
2. Please reference “Building a Part Number” on page 36 if the desired specification
is not found in the “Standard Crystal Part Number Chart” on pages 13–14.
All specifications are subject to change without notice.
75 South Street, Hopkinton, MA 01748
800-982-5737
508-435-6831
Fax: 508-435-5289 www.valpeyfisher.com
19
C R Y S T A L S
PART NUMBER
BUILDING A PART NUMBER
Package
Code/Meaning
VM6
VM6S
VM6SS
VM6SSM2
UM-1
UM-4
UM-5
NC26
NC38
VFSMC-1
VFSMC-2
VFSMC-3
VFSMC-4
VFSMC-5
VFSMC-6
VM6SSM3
VM6SSM1
VFAG
VFBE
VFBG
VFCG
VFCE
VFDG
VFEG
VFHH
VFFE
VFFG
VFFH
VF
VF6SMA
VF49A16FN1
VF49A18FN1
VF49A19FN1
VF45
Mode
Code
1
3
5
7
9
Meaning
Fundamental
3rd OT
5th OT
7th OT
9th OT
Calibration
Tolerance
Code
A
B
C
D
E
F
G
H
I
J
K
L
M
XX
Meaning
±5ppm
±10ppm
±15ppm
±20ppm
±25ppm
±30ppm
±35ppm
±40ppm
±45ppm
±50ppm
±100ppm
±150ppm
±200ppm
SPECIAL
Temperature
Stability
Code
1
2
3
4
5
6
7
8
9
10
11
12
13
14
00
Meaning
±2ppm
±5ppm
±10ppm
±15ppm
±20ppm
±25ppm
±30ppm
±35ppm
±40ppm
±45ppm
±50ppm
±100ppm
±150ppm
±200ppm
SPECIAL
Operating
Temperature
Range
Code
A
B
C
D
XX
E
F
G
H
Meaning
0 to 70°C
–20 to 70°C
–40 to 85°C
–55 to 125°C
SPECIAL
-10 to 60°C
-0 to 85°C
-55 to 105°C
-0 to 50°C
Options
Series/Parallel
Code
Meaning Code
Meaning
0
Series
ENTER VALUE OF
LOAD CAPACITOR
FOR PARALLEL
CIRCUITS
5
3rd Lead
MS
Mylar Spacer
TR
Tape + Reel
VS
Vinyl Sleeve
CL
Cut Leads
(spec. length)
0
None
E X A M P L E
VM6
3
J
1
1
B
16
TR
VM6
3
J
11
B
16
TR
VM6-3J11B16-TR-
FREQUENCY
=
=
=
=
=
=
=
VM6
3rd OT
±50ppm calibration at room temperature.
±50ppm temperature stability
–20 to 70°C operating temperature range over which ±50ppm stability applies
16pF load capacitance
Tape + Reel
Note:
Some part number options not available with all package types.
75 South Street, Hopkinton, MA 01748
800-982-5737
508-435-6831
Fax: 508-435-5289 www.valpeyfisher.com
36
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