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參數(shù)資料
| 型號(hào)： | SRV05-4ATCT |
| 元件分類： | TVS二極管 - 瞬態(tài)電壓抑制 |
| 英文描述： | 300 W, UNIDIRECTIONAL, SILICON, TVS DIODE |
| 封裝： | HALOGEN FREE AND ROHS COMPLIANT, PLASTIC PACKAGE-6 |
| 文件頁數(shù)： | 9/11頁 |
| 文件大小： | 218K |
| 代理商： | SRV05-4ATCT |
7
2010 Semtech Corp.
www.semtech.com
PROTECTION PRODUCTS
SRV05-4A
Applications Information (continued)
helps to mitigate the effects of parasitic inductance in
the power supply connection. During an ESD event,
the current will be directed through the integrated TVS
diode to ground. The maximum voltage seen by the
protected IC due to this path will be the clamping
voltage of the device.
Video Interface Protection
Video interfaces are susceptible to transient voltages
resulting from electrostatic discharge (ESD) and “hot
plugging” cables. If left unprotected, the video
interface IC may be damaged or even destroyed.
Protecting a high-speed video port presents some
unique challenges. First, any added protection device
must have extremely low capacitance and low leakage
current so that the integrity of the video signal is not
compromised. Second, the protection component
must be able to absorb high voltage transients without
damage or degradation. As a minimum, the device
should be rated to handle ESD voltages per IEC
61000-4-2, level 4 (±15kV air, ±8kV contact). The
clamping voltage of the device (when conducting high
current ESD pulses) must be sufficiently low enough to
protect the sensitive CMOS IC. If the clamping voltage
is too high, the “protected” device may latch-up or be
destroyed. Finally, the device must take up a relatively
small amount of board space, particularly in portable
applications such as notebooks and handhelds. The
SRV05-4A is designed to meet or exceed all of the
above criteria. A typical video interface protection
circuit is shown in Figure 4. All exposed lines are
protected including R, G, B, H-Sync, V-Sync , and the ID
lines for plug and play monitors.
Universal Serial Bus ESD Protection
The SRV05-4A may also be used to protect the USB
ports on monitors, computers, peripherals or portable
systems. Each device will protect up to two USB ports
(Figure 5). When the voltage on the data lines exceed
the bus voltage (plus one diode drop), the internal
rectifiers are forward biased conducting the transient
current away from the protected controller chip. The
TVS diode directs the surge to ground. The TVS diode
also acts to suppress ESD strikes directly on the
voltage bus. Thus, both power and data pins are
protected with a single device.
Figure 4 - Video Interface Protection
Figure 5 - Dual USB Port Protection
Figure 6 - SIM Port
SRV05-4A
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SRV05-4L-TP | UNIDIRECTIONAL, SILICON, TVS DIODE |
| SRX6548 | QUARTZ CRYSTAL RESONATOR, 13.248 MHz |
| SRX6549 | QUARTZ CRYSTAL RESONATOR, 12.96 MHz |
| SRX6575 | QUARTZ CRYSTAL RESONATOR, 10.24 MHz |
| SS-3GLPB | SNAP ACTING/LIMIT SWITCH, SPDT, MOMENTARY, 3A, 30VDC, 1mm, THROUGH HOLE-STRAIGHT |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SRV05-4ATR | 功能描述:TVS DIODE 5VWM 17.5VC SOT23 制造商:smc diode solutions 系列:- 包裝:剪切帶（CT） 零件狀態(tài):有效 類型:轉(zhuǎn)向裝置（軌至軌） 單向通道:- 雙向通道:4 電壓 - 反向關(guān)態(tài)（典型值）:5V（最大） 電壓 - 擊穿（最小值）:6V 電壓 - 箝位（最大值）@ Ipp:17.5V 電流 - 峰值脈沖（10/1000μs）:5A（8/20μs） 功率 - 峰值脈沖:- 電源線路保護(hù):是 應(yīng)用:以太網(wǎng) 不同頻率時(shí)的電容:3.2pF @ 1MHz 工作溫度:-55°C ~ 125°C（TJ） 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應(yīng)商器件封裝:SOT-23-6 標(biāo)準(zhǔn)包裝:1 |
| SRV05-4HTG | 功能描述:TVS二極管陣列 6V 0.1uA 20kV ESD Contact 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 |
| SRV05-4L | 制造商:MCC 制造商全稱:Micro Commercial Components 功能描述:5 Volts ESD Protection Device |
| SRV05-4L_13 | 制造商:MCC 制造商全稱:Micro Commercial Components 功能描述:5 Volts ESD Protection Device Low clamping voltage |
| SRV05-4LC | 制造商:PROTEC 制造商全稱:Protek Devices 功能描述:ultra low capacitance steering diode/tvs array |
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