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NXP Semiconductors
PESDxS4UD series
Quadruple ESD protection diode arrays in a SOT457 package
7. Application information
The PESDxS4UD series is designed for protection of up to 4 unidirectional data lines from
the damage caused by ESD and surge pulses. The PESDxS4UD series may be used on
lines where the signal polarities are above or below ground. The PESDxS4UD series
provides a surge capability of 200 W per line for an 8/20 μ s waveform.
data- or transmission lines
1
6
1
6
2
3
5
4
n.c.
2
3
5
4
n.c.
unidirectional protection of 4 lines
bidirectional protection of 3 lines
006aaa762
Fig 10. Application diagram
Circuit board layout and protection device placement
Circuit board layout is critical for the suppression of ESD, Electrical Fast Transient (EFT)
and surge transients. The following guidelines are recommended:
1. Place the PESDxS4UD as close to the input terminal or connector as possible.
2. The path length between the PESDxS4UD and the protected line should be
minimized.
3. Keep parallel signal paths to a minimum.
4. Avoid running protected conductors in parallel with unprotected conductors.
5. Minimize all Printed-Circuit Board (PCB) conductive loops including power and
ground loops.
6. Minimize the length of the transient return path to ground.
7. Avoid using shared transient return paths to a common ground point.
8. Ground planes should be used whenever possible. For multilayer PCBs, use ground
vias.
PESDXS4UD_SER_2
? NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 02 — 21 August 2009
8 of 12
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相关代理商/技术参数
PESD5V0S4UF 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Unidirectional quadruple ESD protection diode arrays
PESD5V0S4UF T/R 功能描述:TVS二极管阵列 DIODE ARRAY ESD TAPE-7 RoHS:否 制造商:Littelfuse 极性: 通道:4 Channels 击穿电压: 钳位电压:11.5 V 工作电压:2.5 V 峰值浪涌电流:20 A 安装风格:SMD/SMT 端接类型:SMD/SMT 系列: 最小工作温度:- 40 C 最大工作温度:+ 85 C
PESD5V0S4UF,115 功能描述:TVS二极管阵列 DIODE ARRAY ESD RoHS:否 制造商:Littelfuse 极性: 通道:4 Channels 击穿电压: 钳位电压:11.5 V 工作电压:2.5 V 峰值浪涌电流:20 A 安装风格:SMD/SMT 端接类型:SMD/SMT 系列: 最小工作温度:- 40 C 最大工作温度:+ 85 C
PESD5V0S5UD 制造商:NXP Semiconductors 功能描述:DIODE TVS 0.2UA 3.3V SSOT-6
PESD5V0S5UD T/R 功能描述:TVS二极管阵列 5V 5X ESD ARRAY RoHS:否 制造商:Littelfuse 极性: 通道:4 Channels 击穿电压: 钳位电压:11.5 V 工作电压:2.5 V 峰值浪涌电流:20 A 安装风格:SMD/SMT 端接类型:SMD/SMT 系列: 最小工作温度:- 40 C 最大工作温度:+ 85 C
PESD5V0S5UD,115 功能描述:TVS二极管阵列 5V 5X ESD ARRAY RoHS:否 制造商:Littelfuse 极性: 通道:4 Channels 击穿电压: 钳位电压:11.5 V 工作电压:2.5 V 峰值浪涌电流:20 A 安装风格:SMD/SMT 端接类型:SMD/SMT 系列: 最小工作温度:- 40 C 最大工作温度:+ 85 C
PESD5V0S5UD115 制造商:NXP Semiconductors 功能描述:DIODE TVS TSOP-6
PESD5V0U1BA 制造商:NXP Semiconductors 功能描述:DIODE TVS 0.2UA 5V SOD-323 制造商:NXP Semiconductors 功能描述:DIODE, TVS, 0.2UA, 5V, SOD-323