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參數(shù)資料
| 型號： | SMDA15.T |
| 元件分類： | TVS二極管 - 瞬態(tài)電壓抑制 |
| 英文描述： | 300 W, UNIDIRECTIONAL, 4 ELEMENT, SILICON, TVS DIODE, MS-012AA |
| 封裝： | ROHS COMPLIANT, SOP-8 |
| 文件頁數(shù)： | 5/7頁 |
| 文件大?。?/td> | 175K |
| 代理商： | SMDA15.T |
5
2005 Semtech Corp.
www.semtech.com
PROTECTION PRODUCTS
SMDA05 through SMDA24
Circuit Diagram
I/O Line Protection
Device Connection for Protection of Four Data Lines
The SMDAxx series of devices are designed to protect up
to four data lines. The devices are connected as follows:
The SMDAxx are unidirectional devices and are
designed for use on lines where the normal operat-
ing voltage is above ground. Pins 1, 2, 3, and 4 are
connected to the protected lines. Pins 5, 6, 7, and 8
are connected to ground. The ground connections
should be made directly to the ground plane for best
results. The path length is kept as short as possible
to reduce the effects of parasitic inductance in the
board traces.
Circuit Board Layout Recommendations for Suppres-
sion of ESD.
Good circuit board layout is critical for the suppression of
ESD induced transients. The following guidelines are
recommended:
Place the TVS near the input terminals or connectors
to restrict transient coupling.
Minimize the path length between the TVS and the
protected line.
Minimize all conductive loops including power and
ground loops.
The ESD transient return path to ground should be
kept as short as possible.
Never run critical signals near board edges.
Use ground planes whenever possible.
Matte Tin Lead Finish
Matte tin has become the industry standard lead-free
replacement for SnPb lead finishes. A matte tin finish is
composed of 100% tin solder with large grains. Since
the solder volume on the leads is small compared to the
solder paste volume that is placed on the land pattern of
the PCB, the reflow profile will be determined by the
requirements of the solder paste. Therefore, these
devices are compatible with both lead-free and SnPb
assembly techniques. In addition, unlike other lead-free
compositions, matte tin does not have any added alloys
that can cause degradation of the solder joint.
1
2
3
45
6
7
8
1
2
3
45
6
7
8
Ground
From Connector
To Protected
Device
Typical Connection
Applications Information
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SMDA24 | 300 W, UNIDIRECTIONAL, 4 ELEMENT, SILICON, TVS DIODE, MS-012AA |
| SMDA12.TBT | 300 W, UNIDIRECTIONAL, 4 ELEMENT, SILICON, TVS DIODE, MS-012AA |
| SMDA12C-8.TBT | 300 W, BIDIRECTIONAL, 10 ELEMENT, SILICON, TVS DIODE, MS-012AB |
| SMDA12C-8.T | 300 W, BIDIRECTIONAL, 10 ELEMENT, SILICON, TVS DIODE, MS-012AB |
| SMDA24C-8.T | 300 W, BIDIRECTIONAL, 10 ELEMENT, SILICON, TVS DIODE, MS-012AB |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SMDA15TB | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Unidirectional TVS Array for Protection of Four Lines |
| SMDA15TR | 功能描述:TVS DIODE PD 300W VWM 15V CJ 140 制造商:smc diode solutions 系列:- 包裝:剪切帶（CT） 零件狀態(tài):在售 類型:齊納 單向通道:4 電壓 - 反向關(guān)態(tài)（典型值）:15V（最大） 電壓 - 擊穿（最小值）:16.7V 電壓 - 箝位（最大值）@ Ipp:24V 電流 - 峰值脈沖（10/1000μs）:1A 功率 - 峰值脈沖:300W 電源線路保護(hù):無 應(yīng)用:通用 不同頻率時(shí)的電容:140pF @ 1MHz 工作溫度:-55°C ~ 125°C（TJ） 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商器件封裝:8-SO 標(biāo)準(zhǔn)包裝:1 |
| SMDA24 | 功能描述:TVS ARRAY UNIDIR 24.0 VWM SO-8 RoHS:是 類別:過電壓，電流，溫度裝置 >> TVS - 二極管 系列:TVS Array™ 標(biāo)準(zhǔn)包裝:2,000 系列:TransZorb® 電壓 - 反向隔離（標(biāo)準(zhǔn)值）:8V 電壓 - 擊穿:8.89V 功率（瓦特）:500W 電極標(biāo)記:單向 安裝類型:通孔 封裝/外殼:DO-204AC，DO-15，軸向 供應(yīng)商設(shè)備封裝:DO-204AC（DO-15） 包裝:帶盒（TB） |
| SMDA24.T | 制造商:Semtech Corporation 功能描述:SMDA Series 55 V 60 pF Uni-Directional Surface Mount TVS Diode Array - SOIC-8 制造商:SEMTECH 功能描述:SMDA Series 55 V 60 pF Uni-Directional Surface Mount TVS Diode Array - SOIC-8 |
| SMDA24.TB | 制造商:Semtech Corporation 功能描述:ESD Suppressor TVS 25KV 8-Pin SOIC T/R |
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