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PSMF24 Datasheet(PDF) 4 Page - Protek Devices |
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PSMF24 Datasheet(HTML) 4 Page - Protek Devices |
4 / 5 page 4 www.protekdevices.com 05123.R9 10/05 PSMF05 thru PSMF24 APPLICATION NOTE CIRCUIT BOARD LAYOUT RECOMMENDATIONS Circuit board layout is critical for Electromagnetic Compatibility (EMC) protection. The following guidelines 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. The PSMF Series are TVS arrays designed to protect I/O or data lines from the damaging effects of ESD or EFT. This product provides unidirectional protection, with a surge capability of 200 Watts P PP per line for an 8/20µs waveform and ESD protection > 25 kilovolts. UNIDIRECTIONAL COMMON-MODE CONFIGURATION (Figure 1) The PSMF Series provides up to four (4) lines of protection in a common-mode configuration as depicted in Figure 1. Circuit connectivity is as follows: ✔ I/O 1 is connected to Pin 1. ✔ I/O 2 is connected to Pin 3. ✔ I/O 3 is connected to Pin 4. ✔ I/O 4 is connected to Pin 5. ✔ Pin 2 is connected to ground. Figure 1 - Unidirectional Configuration Common-Mode I/O Port Protection 3 1 5 2 4 I/O 4 I/O 3 I/O 2 I/O 1 |
Similar Part No. - PSMF24 |
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Similar Description - PSMF24 |
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