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參數資料
| 型號： | DS9503P |
| 英文描述： | ESD Protection Diode with Resistors |
| 中文描述： | ESD保護二極管的電阻 |
| 文件頁數： | 1/3頁 |
| 文件大小： | 68K |
| 代理商： | DS9503P |
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SPECIAL FEATURES
§
Zener characteristic with voltage snap–back
to protect against ESD hits
§
High avalanche voltage, low leakage and low
capacitance avoid signal attenuation
§
Compatible to all 5V logic families
§
Space saving, low inductance TSOC surface
mount package
§
On–chip 5
resistors for isolation at both
anode and cathode terminals
§
Industrial temperature range
SYMBOL AND CONVENTIONS
PACKAGE OUTLINE
TSOC SURFACE MOUNT PACKAGE
ORDERING INFORMATION
DS9503P
6-lead TSOC package
DESCRIPTION
This DS9503 is designed as an ESD protection device for 1–Wire MicroLAN interfaces. In contrast to the
DS9502, the DS9503 includes two 5
isolation resistors on chip. Although 5
are negligible during
communication, they represent a high impedance relative to the conducting diode during an ESD event.
Thus, the diode absorbs the energy while the resistors further isolate and protect the circuit at the other
side of the package. If used with circuits that already have a strong ESD–protection at their I/O port, the
ESD protection level is raised to more that 27 kV (IEC 801–2 Reference model). In case of abnormal
ESD hits beyond its maximum ratings the DS9503 will eventually fail “short” thus preventing further
damage.
During normal operation the DS9503 behaves like a regular 7.5V Zener Diode. When the voltage
exceeds the trigger voltage, the I/V characteristic of the device will “snapback” allowing the same or
higher amount of current to flow, but at a significantly lower voltage. As long as a minimum current or
voltage is maintained, the device will stay in the “snapback mode”. If the voltage or the current falls
below the holding voltage or holding current, the device will abruptly change to its normal mode and
conduct only a small leakage current.
VCA
A
IC
C
3.7 X 4.0 X 1.5 mm
See Mech. Drawings
Section
6
1
5
2
4
3
TOP VIEW
DS9503
ESD Protection Diode with Resistors
www.dalsemi.com
SIDE VIEW
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相關代理商/技術參數 |
參數描述 |
|---|---|
| DS9503P/T&R | 制造商:Maxim Integrated Products 功能描述:ESD PROT DIODE W/RES TSOC-TRL - Tape and Reel |
| DS9503P+ | 功能描述:TVS 二極管 - 瞬態電壓抑制器 ESD Protection Diode w/Resistors RoHS:否 制造商:Vishay Semiconductors 極性:Bidirectional 工作電壓: 擊穿電壓:58.9 V 鉗位電壓:77.4 V 峰值浪涌電流:38.8 A 系列: 封裝 / 箱體:DO-214AB 最小工作溫度:- 55 C 最大工作溫度:+ 150 C |
| DS9503P+T&R | 制造商:Maxim Integrated Products 功能描述:ESD PROT DIODE W/ RESS 6PIN TSOC - Tape and Reel 制造商:Maxim Integrated Products 功能描述:TVS DIODE 7.5VWM 6TSOC 制造商:Maxim Integrated Products 功能描述:TVS Diode Arrays ESD Protection Diode w/Resistors |
| DS9503P+T&R | 功能描述:TVS二極管陣列 ESD Protection Diode w/Resistors 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 |
| DS9503P+TR | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:ESD Protection Diode with Resistors |
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