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參數(shù)資料
| 型號： | EX-621-CHDST3F-16.3840MHZ |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | XO, clock |
| 英文描述： | OCXO, SINE OUTPUT, 16.384 MHz |
| 封裝： | HERMETIC SEALED, MINIATURE, SMD, 4 PIN |
| 文件頁數(shù)： | 4/5頁 |
| 文件大?。?/td> | 317K |
| 代理商： | EX-621-CHDST3F-16.3840MHZ |
EX-620 Series
Series
Evacuated Miniature Crystal Oscillator
EMXO
TM
Vectron International www.vectron.com
v.2008-07-07 page 4 of 5
Vectron International
Headquarters
267 Lowell Road
Hudson, New Hampshire 03051
+1-888-328-7661 tel
+1-888-329-8328 fax
Vectron International LLC.
100 Watts Street
Mount Holly Springs, PA 17065
USA
+1-717-486-3411 tel
+1-717-486-5920 fax
Vectron international GmbH & Co. KG
Landstrasse
D-74924 Neckarbischofsheim
Germany
+49-07268-801-0 tel
+49-07268-801-281 fax
Vectron Asia Pacific Sales Office
1F-2F, No 8 Workshop, No 308 Fenju
Road, WaiGaoQiao Free Trade Zone,
Pudong, Shanghai, P.R. China 200131
+86 21 5048 0777 tel.
+86 21 5048 1881 fax
Recommended Reflow Profile
Profile Feature
Sn-Pb Assembly
Profile Feature
Sn-Pb Assembly
PRECAUTION: EX-62x Series shall not expose to temperature higher than 230°C. If exposing to temperature higher than 230°C,
stability and power consumtion may permanently degrade.
Average ramp-up rate (TL to Tp)
3°C/second max.
Time 25°C to Peak Temperature
4 minutes max.
Preheat -Temperature Min Tsmin)
-Temperature Min Tsmax)
-Time (min to max) (ts)
135°c
155°c
60-90 seconds
Time maintainted above
- Temperature (TL)
- Time (tL)
183°C
45-60 seconds
Tsmax to TL - Ramp-up Rate
3°C/second max.
Time maintainted above - Temperature (TL)
- Time (tL)
183°C
45-60 seconds
Time within 5°C of actual
Peak Temperature (tp)
10-20 seconds max.
Peak Temperature (Tp)
max 220°C
Ramp-down Rate
6°C/second max.
Note: All temperatures refer to topside of the package, measured on the package body surface.
Critical Zone
T
L to Tp
Ramp up
Ramp dow n
t 25°C to peak
Tp
T
e
m
p
e
ra
tu
re
TL
25
Time
Ts
ts
preheat
tp
tL
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