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参数资料
| 型号： | SMF24C-T13 |
| 厂商： | PROTEK DEVICES |
| 元件分类： | TVS二极管 - 瞬态电压抑制 |
| 英文描述： | 100 W, BIDIRECTIONAL, 5 ELEMENT, SILICON, TVS DIODE |
| 封装： | PLASTIC, SC-70, 6 PIN |
| 文件页数： | 4/5页 |
| 文件大小： | 79K |
| 代理商： | SMF24C-T13 |
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SMF05C
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SMF24C
05138.R3 9/02
APPLICATION NOTES
The SMFC Series are TVS arrays designed to protect I/O or data lines from the damaging effects of ESD (> 25kv) or EFT. This product provides
both unidirectional and bidirectional protection, with a surge capability of 100 Watts P
PP per line for an 8/20s waveshape.
UNIDIRECTIONAL COMMON MODE CONFIGURATION (Figure 1)
The SMFC Series provides up to four (4) lines of protection in a common mode configuration as depicted in Figure 1.
Circuit connectivity is as follows:
Line 1 is connected to Pin 1.
Line 2 is connected to Pin 3.
Line 3 is connected to Pin 4.
Line 4 is connected to Pin 6.
Pin 2 is connected to ground.
BIDIRECTIONAL DIFFERENTIAL MODE CONFIGURATION (Figure 1)
The SMFC Series provides up to five (5) lines of protection in a differential mode
configuration as depicted in Figure 2.
Circuit connectivity is as follows:
Line 1 is connected to Pin 1.
Line 2 is connected to Pin 3.
Line 3 is connected to Pin 4.
Line 4 is connected to Pin 5.
Line 5 is connected to Pin 6.
Pin 2 is not connected.
CIRCUIT BOARD LAYOUT RECOMMENDATIONS
Circuit board layout is critical for Electromagnetic
Compatibility (EMC) protection. The following guide-
lines are recommended:
The protection device should be placed near the
input terminals or connectors, the device will
divert the transient current immediately before it
can be coupled into the nearby traces.
The path length between the TVS device and the
protected line should be minimized.
All conductive loops including power and ground
loops should be minimized.
The transient current return path to ground should
be kept as short as possible to reduce parasitic
inductance.
Ground planes should be used whenever
possible. For multilayer PCBs, use ground vias.
3
1
5
6
2
4
Figure 2 - Bidirectional Configuration
Differential-Mode I/O Port Protection
LINE 1
LINE 2
LINE 3
LINE 4
I/O
PORT
LINE 5
Figure 1 - Unidirectional Configuration
Common-Mode I/O Port Protection
3
1
5
6
2
4
LINE 1
LINE 2
LINE 3
LINE 4
I/O
PORT
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