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参数资料
| 型号： | SM05.TCT |
| 元件分类： | TVS二极管 - 瞬态电压抑制 |
| 英文描述： | 300 W, UNIDIRECTIONAL, 2 ELEMENT, SILICON, TVS DIODE |
| 封装： | LEAD FREE PACKAGE-3 |
| 文件页数： | 5/7页 |
| 文件大小： | 0K |
| 代理商： | SM05.TCT |
5
2004 Semtech Corp.
www.semtech.com
PROTECTION PRODUCTS
SM05 through SM36
Applications Information
Device Schematic & Pin Configuration
Device Connection Options
The SM series is designed to protect one bidirectional
or two unidirectional data or I/O lines operating at 5 to
36 volts. Connection options are as follows:
Bidirectional: Pin 1 is connected to the data line
and pin 2 is connected to ground (Since the device
is symmetrical, these connections may be re-
versed). The ground connection should be made
directly to a ground plane. The path length should
be kept as short as possible to minimize parasitic
inductance. Pin 3 is not connected.
Unidirectional: Data lines are connected to pin 1
and pin 2. Pin 3 is connected to ground. For best
results, this pin should be connected directly to a
ground plane on the board. The path length should
be kept as short as possible to minimize parasitic
inductance.
Circuit Board Layout Recommendations for Suppres-
sion of ESD.
Good circuit board layout is critical for the suppression
of fast rise-time transients such as ESD. The following
guidelines are recommended (Refer to application note
SI99-01 for more detailed information):
Place the TVS near the input terminals or connec-
tors 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 com-
pared 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.
RS-232 Transceiver Protection Example
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相关代理商/技术参数 |
参数描述 |
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| SM05TG | 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:TVS Diode Array |
| SM05-TP | 功能描述:ESD 抑制器 5V 300W RoHS:否 制造商:STMicroelectronics 通道:8 Channels 击穿电压:8 V 电容:45 pF 端接类型:SMD/SMT 封装 / 箱体:uQFN-16 功率耗散 Pd: 工作温度范围:- 40 C to + 85 C |
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| SM06 103370 | 功能描述:THERMISTOR NTC 10K OHM 10% 0603 RoHS:是 类别:传感器，转换器 >> 热敏电阻 - NTC 系列:SM06 标准包装:100 系列:* |
| SM0603AC | 功能描述:标准LED-SMD Amber 610 nm Water Clear RoHS:否 制造商:Vishay Semiconductors 封装 / 箱体:0402 LED 大小:1 mm x 0.5 mm x 0.35 mm 照明颜色:Red 波长/色温:631 nm 透镜颜色/类型:Water Clear 正向电流:30 mA 正向电压:2 V 光强度:54 mcd 显示角:130 deg 系列:VLMx1500 封装:Reel |
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