Datenblatt

Quartz Crystal Units
26(LF)MJ
STANDARD 32.768kHz SMD CRYSTALS
STANDARD SPECIFICATIONS
Symbol
Part number
P/N
26(LF)MJ*2
F
∆f/F
Load capacitance
CL
12.5 pF
ESR
50k Ω max. (To : -40゜
C to +85゜
C)
Drive level
P
Turnover temperature
Tt
1 μW max.
+25゜
C ±5゜
C
Temperature coefficient
β
C2, Typical
-0.034 ppm / ゜
Quality factor
Q
50000 min.
Shunt capacitance
C0
1.45 pF, Typical
Motional capacitance
C1
0.003 pF, Typical
γ
480, Typical
Aging (for first year)
∆f/F
Insulation resistance
Ri
±5 ppm max. at +25゜
C ±3゜
C
500 MΩ min. at 100V DC ±15V
Equivalent series resistance
8.3
2.3±0.3
2.5
0.2
0.2
2.2
4.3
2.7 max.
2
0.85
1.3±0.3
SOLDERING PATTERN
Capacitance ratio
6.75
2.54
1.0
4.5
2.5
Cut
2.0
XY-CUT
(ppm)
0
-20
-40
-60
-80
-100
-120
Operating temperature range
To
C to +85゜
C
-40゜
Storage temperature range
Ts
C to +125゜
C
-55゜
±10 ppm max.
Shock resistance
∆f/F
Vibration resistance
∆f/F
IR reflow resistance
∆f/F
10 seconds max. at +250゜
C ±10゜
C
Reflow condition
-140
-160
-40
-25
-10
+5
+20
+35
+50
+65
C)
+110 (゜
+80
TYPICAL TEMPERATURE CHARACTERISTICS
( * 1 ) F or m er ly 26S TF 327( LF ) M J N
(* 2 ) F or m er ly 2x 6( L F ) M J N
PACKAGE DATA
TAPE SPECIFICATIONS
4.0±0.1
1.5 +
0
0 .1
Package
1.75±0.1
∅
2.0±0.1
C
A
B
J
M
Cover
26(LF)MJ
Metal
Base
Glass
Item
D
L
±10 ppm max.
±10 ppm max.
OCXO
¨II
XY-Cut
Sealing
F
Press-fit
A
B
C
D
F
J
L
M
Reel Dia.
Qty/Reel
Metal clamp
CuSn
9.5
4.5
3.0
16.0
9.2
8.0
-
0.3
2.5
330
3000pcs
2000pcs
1000pcs
Metal clamp plating
Gold
Terminal lead
Kovar
Terminal lead
plating
Sn-90Pb
RoHS
Compliant
MCF
ĭ
1.0
2.54±0.3
6.0
A : ±15 ppm
B : ±20 ppm
C : ±30 ppm (Standard)
D : ±50 ppm
Frequency tolerance (at +25゜
C)
Actual size
26(LF)MJ
32.768 kHz
CLK OSC
Nominal frequency
VCXO
Package Type
0.079 gm (wt.)
Specifications
26(LF)327MJ*1
XTAL
Item
TCXO
26(LF)MJ
65
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