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參數(shù)資料
| 型號(hào)： | 934054707118 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | TVS二極管 - 瞬態(tài)電壓抑制 |
| 英文描述： | 25 W, UNIDIRECTIONAL, 18 ELEMENT, SILICON, TVS DIODE, MO-150AE |
| 封裝： | PLASTIC, SMD, SSOP-20 |
| 文件頁數(shù)： | 10/12頁 |
| 文件大小： | 308K |
| 代理商： | 934054707118 |
1997 Sep 08
7
Philips Semiconductors
Preliminary specication
9-fold ESD Transient Suppressor
BZA109TS
DEVICE PLACEMENT AND PRINTED-CIRCUIT BOARD LAYOUT
Circuit board layout is of extreme importance in the suppression of transients. The clamping voltage of the BZA109TS is
determined by the peak transient current and the rate of rise of that current (di/dt). Since parasitic inductances can further
add to the clamping voltage (V = L di/dt) the printed-circuit board layout should use minimal series conductor lengths.
This includes the lead length of the suppression element.
In addition to minimizing conductor length the following printed-circuit board layout guidelines are recommended:
1. Place the suppression element in the area of the input terminals or connectors.
2. Reduce parallel signal paths.
3. Avoid running protection conductors in parallel with unprotected conductors.
4. Minimize all printed-circuit board loop areas including power and ground loops.
5. Minimize the length of the transient return path to ground.
6. Avoid using shared transient return paths to a common ground point.
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