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參數(shù)資料
| 型號(hào)： | BZA900A |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | TVS-瞬態(tài)抑制二極管 |
| 英文描述： | Quadruple ESD transient voltage suppressor |
| 中文描述： | 四路ESD瞬態(tài)電壓抑制器 |
| 文件頁(yè)數(shù)： | 6/12頁(yè) |
| 文件大?。?/td> | 79K |
| 代理商： | BZA900A |
2001 Sep 03
6
Philips Semiconductors
Product specification
Quadruple ESD transient voltage suppressor
BZA900A-series
APPLICATION INFORMATION
Typical common anode application
A quadruple transient suppressor in a SOT665 package makes it possible to protect four separate lines using only one
package. A simplified example is shown in Fig.7.
handbook, full pagewidth
GND
keyboard,
terminal,
printer,
etc.
I/O
BZA900A
A
B
C
D
FUNCTIONAL
DECODER
MGW316
Fig.7 Computer interface protection.
Device placement and printed-circuit board layout
Circuit board layout is of extreme importance in the suppression of transients. The clamping voltage of the BZA900A 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 series conductor lengths on the printed-circuit board should be kept to a
minimum. 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 close to the input terminals or connectors
2.
Keep parallel signal paths to a minimum
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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| BZA900AVL | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Quadruple low capacitance ESD suppressor |
| BZA956A | 制造商:NXP Semiconductors 功能描述:DIODE TVS QUAD SOT-665 |
| BZA956A T/R | 功能描述:TVS二極管陣列 DIODE ARRAY TAPE-7 RoHS:否 制造商:Littelfuse 極性: 通道:4 Channels 擊穿電壓: 鉗位電壓:11.5 V 工作電壓:2.5 V 峰值浪涌電流:20 A 安裝風(fēng)格:SMD/SMT 端接類型:SMD/SMT 系列: 最小工作溫度:- 40 C 最大工作溫度:+ 85 C |
| BZA956A,115 | 功能描述:TVS二極管陣列 DIODE ARRAY TAPE-7 RoHS:否 制造商:Littelfuse 極性: 通道:4 Channels 擊穿電壓: 鉗位電壓:11.5 V 工作電壓:2.5 V 峰值浪涌電流:20 A 安裝風(fēng)格:SMD/SMT 端接類型:SMD/SMT 系列: 最小工作溫度:- 40 C 最大工作溫度:+ 85 C |
| BZA956AVL | 制造商:NXP Semiconductors 功能描述:DIODE TVS QUAD SOT-665 制造商:NXP Semiconductors 功能描述:DIODE, TVS, QUAD, SOT-665 |
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