Datenblatt

Quartz Crystal Units
212SMX
STANDARD 32.768kHz SMD CRYSTALS
STANDARD SPECIFICATIONS
Symbol
Part number
P/N
212SMX
Frequency tolerance (at +25゜
C)
∆f/F
Load capacitance
CL
0.0055 gm (wt.)
212SMX
2.0±0.05
1.2±0.05
Equivalent series resistance
H
Height(H)
Package
212SMX 0.55±0.05 mm Standard
212SMXL 0.30±0.05 mm Option
0.5
1.0
0.5
<Top View>
ESR
Drive level
P
Turnover temperature
Tt
0.1 μW (0.5 μW for max.)
+25゜
C ±5゜
C
Temperature coefficient
β
C2, Typical
-0.034 ppm / ゜
Quality factor
Q
20000 min.
Shunt capacitance
C0
1.2 pF, Typical
Motional capacitance
C1
0.003 pF, Typical
γ
Capacitance ratio
SOLDERING PATTERN
1.4
1.3
XY-CUT
(ppm)
0
-20
-40
∆f/F
Insulation resistance
Ri
500 MΩ min. at 100V DC ±15V
XY-Cut
Operating temperature range
To
C to +85゜
C
-40゜
Storage temperature range
Ts
Shock resistance
∆f/F
C to +125゜
C
-55゜
±5 ppm max.
Vibration resistance
∆f/F
±5 ppm max.
IR reflow resistance
∆f/F
±10 ppm max.
10 seconds max. at +250゜
C ±10゜
C
Reflow condition
-60
-80
( * ) N o pat t er n pat h under neath the 212SMX
-100
-120
PACKAGE DATA
-140
-160
-40
-25
-10
+5
+20
+35
+50
+65
+80
C)
+110 (゜
TYPICAL TEMPERATURE CHARACTERISTICS
TAPE SPECIFICATIONS
∅
1.5 +
0
-0 .1
2.0±0.1
A
C
D
L
1.75±0.1
4.0±0.1
B
J
M
Package
Lid
212SMX
Metal
Base
Ceramic
Item
Sealing
Seam
Terminal
Tungsten (metalized)
Terminal plating
F
A
B
C
D
F
J
L
M
Reel Dia.
Qty/Reel
2.25
1.45
8.0
3.5
4.0
1.0
0.25
0.75
180
3000pcs
RoHS
MCF
∆f/f
Aging (for first year)
400, Typical
±3 ppm max. at +25゜
C ±3゜
C
Cut
0.8
32.768 kHz
AA : ±10 ppm
A : ±15 ppm
B : ±20 ppm
C : ±30 ppm (Standard)
12.5 pF : 212M327 (Standard)
9.0 pF : 212M327-9
7.0 pF : 212M327-7
90k Ω max. (To : -40゜
C to +85゜
C)
CLK OSC
Actual size
Actual size
F
VCXO
Nominal frequency
TCXO
Package Type
Specifications
212M327*
XTAL
Item
OCXO
212SMX
Gold / Nickel
(surface) / (under)
Compliant (Pb-free)
59
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