MC-146 Epson Company, MC-146 Datasheet
MC-146
Manufacturer Part Number
MC-146
Description
THIN SMD LOW/MEDIUM-FREQUENCY CRYSTAL UNIT
Manufacturer
Epson Company
Datasheet
1.MC-146.pdf
(2 pages)
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MC-146
THIN SMD LOW/MEDIUM-FREQUENCY CRYSTAL UNIT
• High-density mounting-type SMD of 1.4mm thickness.
• Small packaging area and light weight.
• Excellent shock resistance and environmental capability.
• Most suitable for small communications devices.
Metal may be exposed on the top of this product. This won't affect any quality, reliability or electrical spec.
Nominal frequency
Maximum drive level
Soldering condition
Frequency tolerance(standard)
Peak temperature(frequency)
Temperature coefficient(frequency)
Load capacitance
Series resistance
Motional capacitance
Shunt capacitance
Insulation resistance
Aging
Shock resistance
4
Temperature
range
Do not connect #2 and #3 to external device.
Specifications (characteristics)
External dimensions
#1
#4
0.2
0.1
0.4
#4
#1
Item
Storage temperature
Operating temperature
E A 9 9
6.7
6.9
0.1
Symbol
T
T
T
S.R.
GL
OPR
C
R
C
C
IR
STG
SOL
fa
a
#3
#2
f
f/f
T
L
1
1
0
0.4
0.2
0.1
0.2
#2
#3
0.05
65 kΩ max.
32.768kHz
Twice at under 260
#4
#1
Internal connection
or under 230˚C within 3 min.
-0.04ppm/ ˚C
±20ppm, ±50ppm
±3ppm/year max.
-55˚C to +125˚C
-40˚C to +85˚C
Specifications
500 MΩ min.
±5ppm max.
1.0µW max.
0.8pF typ.
25˚C ±5˚C
1.9fF typ.
6pF to ∞
#3
#2
˚C within 10 sec.
2
max.
(Unit: mm)
75.000kHz
30kΩ max.
Recommended soldering pattern
Three drops on a hard board from 75 cm or excitation
test with 3000G x 0.3ms x 1/2 sine wave x 3 directions
1.2
Operating drive level 0.5µW max.
please contact us for inquiries
about usable frequencies
Ta=25˚C ±3˚C, first year
Ta=25˚C, DL=0.1µW
Please specify
Remarks
5.1
Actual size
Crystal unit
1.2
(Unit: mm)
16
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MC-146 Summary of contents
Page 1
... THIN SMD LOW/MEDIUM-FREQUENCY CRYSTAL UNIT MC-146 • High-density mounting-type SMD of 1.4mm thickness. • Small packaging area and light weight. • Excellent shock resistance and environmental capability. • Most suitable for small communications devices. Specifications (characteristics) Item Nominal frequency Storage temperature ...
Page 2
ENERGY SAVING EPSON EPSON offers effective savings to its customers through a wide range of electronic devices, such as semiconductors, liquid crystal display (LCD) modules, and crystal devices. These savings are achieved through a sophisticated melding of three different ...