Quartz Crystal Resonators
RESISTANCE WELD MINIATURE THRU-HOLE PACKAGE - UM1 Series
FEATURES
RoHS Compliant (Pb-Free), Wide Frequency Range Available
AT-cut Crystal, High Precision and Excellent Aging, Extended Temperature Range
Industry Standard Package, Compact Size
Optional Metal Jacket for SMT
SPECIFICATIONS
Frequency Range
Resonance Mode
Calibration Tolerance @25°C
Frequency Stability Ref @25°C
Temperature Range
Crystal Aging
Storage Temperature
Load Capacitance (CL)
Shunt Capacitance
Drive Level
Pullability (option)
Creating a Part Number
Product Series
Frequency
Resonance Mode: 1 = Fundamental
3 = 3rd Overtone
5 = 5th Overtone
3.6864 MHz to 225.000 MHz
1 = Fundamental (3.6864 to 45 MHz); 3 = 3rd Overtone (30 to 125 MHz)
5 = 5th Overtone (100 to 225 MHz); 7 = 7th Overtone (100 to 225 MHz)
A = ±50 ppm; B = ±30 ppm; C = ±20 ppm; D = ±15 ppm; E = ±10 ppm
100 = ±100 ppm; 50 = ±50 ppm; 25 = ±25 ppm; 10 = ±10 ppm
A = 0°C to 70°C; B = -40°C to 85°C; C = -10°C to 60°C; D = -20°C to 70°C
±5 ppm / year Maximum
-55°C to 125°C
CL = 18 pF (Standard), 16 pF, 20 pF, others, or S = Series resonant
7 pF Maximum
0.1 mW Typical, 1 mW Maximum
May be specified in terms of frequency shift over a certain range of CL
UM1-125M000-3 B 30 D 18
-options
Load Capacitance: 18, 16, 20, S = Series resonant
Operating Temperature Range: A = 0 to 70°C
Frequency Stability:
Tolerance at 25°C:
A = ±50 ppm
B = ±30 ppm
C = ±20 ppm
100 = ±100 ppm
50 = ±50 ppm
25 = ±25 ppm
B = -40 to 85°C
D = -20 to 70°C
Equivalent Series Resistance
Frequency (MHz)
3.686 - 3.999
4.000 - 4.999
5.000 - 5.999
6.000 - 6.999
7.000 - 7.999
8.000 - 9.999
10.000 - 10.999
OUTLINE DRAWING
Mode
Fund
Fund
Fund
Fund
Fund
Fund
Fund
Max ESR (Ohms)
250
200
150
120
100
90
60
Frequency (MHz)
11.000 - 45.000
30.000 - 125.00
100.00 - 225.00
100.00 - 225.00
Mode
Fund
3rd O/T
5th O/T
7th O/T
Max ESR (Ohms)
40
45
100
150
Optional metal jacket with formed leads for UM1-SMD
7.1 MAX
7.9 MAX
8.0 MAX
2.0
±
0.1
0.35
±
0.05
12.0 MIN
2.5
±
0.3
All dimensions are typical unless otherwise specified
Dimensions in Millimeters
www.4timing.com
c
2001-2007 Fortiming Corp. USA
1.3
±
0.2
3.75
±
0.2
3.6 MAX
12.75 MAX
3.2 MAX
PCB Design
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