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參數(shù)資料
| 型號： | SM8T-SR-FREQ1-20J1CG |
| 廠商： | PLETRONICS INC |
| 元件分類： | Quartz Crystal |
| 英文描述： | QUARTZ CRYSTAL RESONATOR, 20 MHz - 23 MHz |
| 封裝： | ROHS COMPLIANT, MINIATURE, SMD, 4 PIN |
| 文件頁數(shù)： | 5/6頁 |
| 文件大?。?/td> | 97K |
| 代理商： | SM8T-SR-FREQ1-20J1CG |
SM8T Series
Miniature SMD Crystal
January 2008
www.pletronics.com
425-776-1880
5
260°C Maximum
10 Seconds Maximum
215°C±10°C
Approximately 50 Seconds
Allowed rate of temperature change
Maximum 4°C per second
120 to 160 Seconds
100
150
200
250
Tem
peratu
re
(°C)
175°C±10°C
Reflow Cycle (typical for lead free processing)
The part may be reflowed 2 times without degradation.
Tape and Reel: available for quantities of 250 to 3000 per reel (<1000 will be cut tape)
Constant Dimensions Table 1
Tape
Size
D0
D1
Min
E1
P0
P2
S1
Min
T
Max
T1
Max
8mm
1.5
+0.1
-0.0
1.0
1.75
+
_0.1
4.0
+
_0.1
2.0
+
_0.05
0.6
0.25
0.1
12mm
1.5
16mm
1.5
2.0
+
_0.1
24mm
1.5
Variable Dimensions Table 2
Tape
Size
B1
Max
E2 Min
F
P1
T2
Max
W
Max
Ao, Bo &
Ko
8 mm
3.5
6.4
1.7 +
_0.1
4.0 +
_0.1
1.0
8.9
Note 1
Note 1: Embossed cavity to conform to EIA-481-B
Dimensions in mm
Not to scale
REEL DIMENSIONS
A
inches
7.0
10.0
13.0
mm
177.8
254.0
330.2
B
inches
2.50
4.00
3.75
mm
63.5
101.6
95.3
Tape
Width
C
mm
13.0 +0.5 / -0.2
Dmm
8.4
+2.0
-0.0
8.4
+2.0
-0.0
8.4
+2.0
-0.0
8.0
Reel dimensions may vary from the above
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