U Series Crystal
UM-1 Thru-Hole Crystal
Wide Frequency Range
AT Cut
RoHS Compliant Available
ELECTRICAL SPECIFICATIONS:
Frequency Range
Frequency Tolerance / Stability
Operating Temperature Range
Storage Temperature
Aging
Shunt Capacitance
Load Capacitance
Equivalent Series Resistance
(ESR)
Mode of Operation
Drive Level
Shock
Solderability
Solvent Resistance
Vibration
Gross Leak Test
Fine Leak Test
7.000MHz to 200.000MHz
(See Part Number Guide for Options)
(See Part Number Guide for Options)
-55°C to +125°C
±5ppm / first year max
7pF max
20pF Standard
(See Part Number Guide for Options)
See ESR Chart
Fundamental, 3
rd
OT
1mW Max
MIL-STD-883, Meth 2002, Cond
MIL-STD-883, Meth 2003
MIL-STD-202, Meth 215
MIL-STD-883, Meth 2007, Cond
MIL-STD-883, Meth 1014, Cond
MIL-STD-883, Meth 1014, Cond
ESR CHART:
Frequency Range
7.000MHz to 40.000MHz
24.000MHz to 34.999MHz
35.000MHz to 125.000MHz
60.000MHz to 200.000MHz
ESR (Ohms)
40 Max
60 Max
40 Max
60 Max
Mode / Cut
Fund / AT
3
rd
OT / AT
3
rd
OT / AT
3
rd
OT / AT
MARKING:
Line 1: MXX.XXX
XX.XXX = Frequency in MHz
Line 2: SYMCCL
S = Internal Code
YM = Date Code (Year/Month)
CC = Crystal Parameters Code
L = Denotes RoHS Compliant
B
A
C
A
MECHANICAL DETAILS:
8.10 [.319]
MAX
13.20 [.520]
MAX
3.20 [.126]
MAX
3.75 [.148]
7.90 [.311]
MAX
0.30 [.012]
DIMENSION IN BRACKETS ARE IN INCHES
PART NUMBER GUIDE:
U
UM-1
Frequency
Load Capacitance
RoHS Compliant
Blank = Not Compliant
F = Is Compliant
S = Series
20 = 20pF (Standard)
XX = XXpF (8pF to 50pF)
Temperature
Tolerance/Stability
A = ±50 ppm / ±100 ppm
B = ±30 ppm / ±50 ppm
C = ±15 ppm / ±30 ppm
D = ±10 ppm / ±15 ppm
E = ±50 ppm / ±50 ppm
T = ±5 ppm / ±10 ppm
Operating Temperature
A = 0°C to +70°c
B = -20°C to +70°c
C = -40°C to +85°c
Mode of Operation
1 = Fundamental
3 = 3rd Overtone
Please Consult with MMD Sales Deparment for any other Parameters or Options
MMD Components,
30400 Esperanza, Rancho Santa Margarita, CA, 92688
Phone: (949) 709-5075, Fax: (949) 709-3536,
www.mmdcomp.com
Sales@mmdcomp.com
Specifications subject to change without notice
Revision U052107C
嵌入式系统
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