75 South Street, Hopkinton, MA 01748 800-982-5737 508-435-6831 Fax: 508-435-5289 www.valpeyfisher.com 19
CRYSTALS UM-1
UM–1
Resistance Weld Miniature Crystal
FEATURES
•Industry Standard Package
•Wide Frequency Range
•Small Footprint
•Low Profile
•Excellent Aging
OPTIONS
•Tape & Reel
•Lower Profile Available
•Metal Jacket
Parameter Unit Condition Min Typ Max Note
Frequency MHz 3.579545 300
Range
Frequency ppm 25°C ±50
Tolerance
Frequency ppm ±100 Ref: @
Stability 25°C
Operating °C -55 +125
Storage
Shunt pF 7.0
Capacitance (Co)
Load pF Customer 10 18 Series
Capacitance (CL) Specified
Drive Level mW 1.0
Aging Per Year ppm ±3.0
Frequency Range Mode ESR (Ω)
3.579 - 4.000 Fundamental 300
4.000 - 5.000 Fundamental 250
5.000 - 6.000 Fundamental 180
6.000 - 7.000 Fundamental 120
7.000 - 8.000 Fundamental 100
8.000 - 10.000 Fundamental 90
10.000 - 11.000 Fundamental 60
11.000 - 27.000 Fundamental 40
25.000 - 65.000 3rd Overtone 60
60.000 - 130.000 5th Overtone 100
130.000 - 300.000 7th Overtone 150
Typical Temperature Characteristics
Tolerances ±5 ±10 ±15 ±20 ±25 ±50 ±100
Temp. Ranges ppm ppm ppm ppm ppm ppm ppm
0 to 50°C Y Y Y Y Y Y Y
-10 to 60°C Y Y Y Y Y Y Y
-20 to 70°C Y Y Y Y Y Y Y
-30 to 80°C N N Y Y Y Y Y
-40 to 85°C N N N Y Y Y Y
-55 to 105°C N N N N N Y Y
-55 to 125°C N N N N N N Y
.28"
(7,1mm) .095"
(2,4mm)
.014"
(0,35mm)
.148"
(3,75±0,20mm)
.315"
(8,0mm)
.126"
(3,2mm)
.472"
(12,0mm)
.311"
(7,9mm)
Notes:
1. Please refer to typical temperature characteristics in char t above.
2. Please reference “Building a Part Number” on page 36 if the desired specification
is not found in the “Standard Crystal Par t Number Char t” on pages 13–14.
All specifications are subject to change without notice.
EXAMPLE
Package Mode Calibration
Tolerance
Temperature
Stability
Operating
Temperature
Range Series/Parallel
Options
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
1 Fundamental A ±5ppm
3 3rd OT B ±10ppm
5 5th OT C ±15ppm
7 7th OT D ±20ppm
9 9th OT E ±25ppm
F ±30ppm
G ±35ppm
H ±40ppm
I ±45ppm
J ±50ppm
K ±100ppm
L ±150ppm
M ±200ppm
XX SPECIAL
75 South Street, Hopkinton, MA 01748 800-982-5737 508-435-6831 Fax: 508-435-5289 www.valpeyfisher.com 36
CRYSTALS PART NUMBER
BUILDING A PART NUMBER
Code/Meaning Code Meaning Code Meaning Code Meaning Code Meaning Code Meaning Code Meaning
ENTER VALUE OF
LOAD CAPACITOR
FOR PARALLEL
CIRCUITS
VM6 = VM6
3= 3rd OT
J= ±50ppm calibration at room temperature.
11 = ±50ppm temperature stability
B= –20 to 70°C operating temperature range over which ±50ppm stability applies
16 = 16pF load capacitance
TR = Tape + Reel
Note: Some part number options not available with all package types.
VM6-3J11B16-TR-FREQUENCY
VM6 3 J B11 16
1 ±2ppm
2 ±5ppm
3 ±10ppm
4 ±15ppm
5 ±20ppm
6 ±25ppm
7 ±30ppm
8 ±35ppm
9 ±40ppm
10 ±45ppm
11 ±50ppm
12 ±100ppm
13 ±150ppm
14 ±200ppm
00 SPECIAL
A 0 to 70°C 0 Series
B –20 to 70°C
C –40 to 85°C
D –55 to 125°C
XX SPECIAL
E -10 to 60°C
F -0 to 85°C
G -55 to 105°C
H -0 to 50°C
5 3rd Lead
MS Mylar Spacer
TR Tape + Reel
VS Vinyl Sleeve
CL Cut Leads
(spec. length)
0 None
TR
