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參數(shù)資料
| 型號： | BZA408B |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 電路保護 |
| 英文描述： | Quadruple bidirectional ESD transient voltage suppressor |
| 中文描述： | 四倍雙向ESD瞬態(tài)電壓抑制器 |
| 封裝： | SOT457(TSOP6) |
| 文件頁數(shù)： | 6/9頁 |
| 文件大?。?/td> | 130K |
| 代理商： | BZA408B |
1998 Oct 15
6
NXP Semiconductors
Product data sheet
Quadruple bidirectional ESD transient
voltage suppressor
BZA408B
APPLICATION INFORMATION
Typical bidirectional application
A quadruple bidirectional transient suppressor in a SOT457 package makes it possible to protect four separate lines
using only one package. One simplified example is shown in Fig.6.
Fig.6 Scart connector protection.
handbook, full pagewidth
MGR559
BZA408B
GND
SCART
CONNECTOR
TVSET/VCR
audio in L
audio in R
audio out L
audio out R
Device placement and printed-circuit board layout
Circuit board layout is of extreme importance in the suppression of transients. The clamping voltage of the BZA408B 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 |
|---|---|
| BZA408B T/R | 制造商:NXP Semiconductors 功能描述:ESD Suppressor TVS 15KV 6-Pin TSOP T/R |
| BZA408B,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 |
| BZA408B,125 | 功能描述:TVS二極管陣列 Diode TVS Quad Bi-Dir 5V 20W 6-Pin 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 |
| BZA408BT/R | 制造商:NXP Semiconductors 功能描述:ESD Suppressor TVS 15KV 6-Pin TSOP T/R |
| BZA418A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Quadruple ESD transient voltage suppressor |
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