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參數(shù)資料
| 型號(hào)： | PESDXU1UT |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Ultra low capacitance ESD protection diode in SOT23 package |
| 中文描述： | 超低電容ESD保護(hù)二極管；SOT23封裝 |
| 文件頁數(shù)： | 7/13頁 |
| 文件大小： | 104K |
| 代理商： | PESDXU1UT |
9397 750 14912
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 01 — 11 May 2005
7 of 13
Philips Semiconductors
PESDxU1UT series
Ultra low capacitance ESD protection diode in SOT23 package
7.
Application information
The PESDxU1UT series is designed for protection of high-speed datalines from damage
caused by ESD and surge pulses. PESDxU1UT devices combine an ESD protection
diode and an ultra low capacitance compensation diode to ensure an effective device
capacitance as low as 0.6 pF. The PESDxU1UT series provides a surge capability of up to
200 W per line for an 8/20
μ
s waveform.
Two PESDxU1UT devices in anti-parallel configuration provide ESD protection in a
common-mode application.
The two PESDxU1UT devices should be connected as follows:
protected data line is connected to
device 1 / pin 2
device 2 / pin 1
Ground is connected to
device 1 / pin 1
device 2 / pin 2
pin 3 is not connected for both devices
Fig 5.
Bi-directional ESD protection of one line, common mode
Two PESDxU1UT devices in anti-parallel configuration provide ESD protection in a
differential-mode configuration as e.g. for Ethernet applications.
The two PESDxU1UT should be connected as follows:
I/O line 1 is connected to
device 1 / pin 2
device 2 / pin 1
I/O line 2 is connected to
device 1 / pin 1
device 2 / pin 2
pin 3 is not connected for both devices
Fig 6.
Differential mode Ethernet protection
006aaa443
3
n.c.
n.c.3
1
protected data line
ground
PESDxU1UT
PESDxU1UT
2
1
2
ETHERNET
TRANSCEIVER
006aaa444
3
n.c.
n.c.
I/O 1
I/O 2
3
1
PESDxU1UT
PESDxU1UT
2
1
2
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