31SMX Datasheet, PDF (1/1 Pages) List of Unclassifed Manufacturers – STANDARD LOW FREQUENCY SMD CRYSTALS

Quartz Crystal Units
31SMX
STANDARD LOW FREQUENCY SMD CRYSTALS
31SMX
Actual Size
31SMX
3.2±0.1
0.73 1.74 0.73
XY-CUT
Temperature(ʄC)
0 ^{-20 -10 0 +10 +20 +30 +40 +50 +60 +70 +80}
-10
-20
-30
-40
-50
-60
-70
-80
˚f/f(ppm)
TYPICAL TEMPERATURE CHARACTERISTICS
SOLDERING PATTERN
1.3
1.0
1.3
2.3
TAPE SPECIFICATIONS
4.0±0.1
L
2.0±0.1
П1.5
+0.1
-0
STANDARD SPECIFICATIONS
Item
Part number
Package type
Nominal frequency
Symbol
P/N
F
Frequency tolerance at ʴ25˚C ϶f/F
Load capacitance
CL
Equivalent series resistance
Rs
Drive level
P
Turnover temperature
Tt
Temperature coefficient
Ќ
Quality factor
Q
Shunt capacitance
Co
Motional capacitance
C1
Capacitance ratio
Ѝ
Aging (for first year)
϶f/F
Insulation resistance
Ri
Cut
Operating temperature range
To
Storage temperature range
Ts
Shock resistance
϶f/F
Vibration resistance
϶f/F
IR reflow resistance
϶f/F
Reflow soldering condition
Specifications
31M327
31SMX
32.768 kHz
12.5 pF
9pF
7pF
B: ʶ20 ppm
C:ʶ30 ppm (standard)
D:ʶ50 ppm
31M327
31M327-9
31M327-7
50 kЊ max.
0.1ЖW (1.0ЖW max.)
ʴ25˚C ʶ5˚C
-0.035 ppm/˚C², Typical
30000 min.
1.7 pF, Typical
0.0029 pF, Typical
580, Typical
ʶ3 ppm max. at ʴ25˚C ʶ3˚C
500MЊmin. at 100V DC ʶ15V
XY-Cut
-40˚C to ʴ85˚C
-55˚C to ʴ125˚C
ʶ10 ppm max.
ʶ5 ppm max.
ʶ5 ppm max.
20 seconds max. at ʴ230˚C
PACKAGE DATA
Package
Item
Lid
Base
Sealing
Terminal plating
31SMX
Glass
Glass
Anode
Gold
J
M
B
F
A B C D F J L M Reel Dia. Qty/Reel
3.7 1.5 12.0 5.5 4.0 1.0 0.3 1.2 180 3000pcs