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ESD electrostatic protection

0201/DFN0603/TSSLP-2-4 0402/DFN1006/SOD-882/TSSLP-2-20 DFN1006-3L/0402-3/SOT-883 DFN1210-6 DFN1510 DFN1610 DFN1610-2 DFN1616-6 DFN1714 DFN2010 DFN2020-3 DFN2020-6 DFN2510P10/SLP2510P8/SFN-10/DSON-10 DFN2510P8 DFN2514 DFN2626-10 DFN3014 DFN3020-10 DFN3313 DFN3314 DFN4120P10 MSOP-08 MSOP-10 SO-14 SOD-323/0805/SC-76-UMD-2 SOD-523/0603/SC-79 SOD-923 SOP-16 SOP-08 SOT-143 SOT-23 SOT-23 SOT-26 SOT-323 SOT-353 SOT-363 SOT-523 SOT-553 SOT-563 SOT-723

PESD Polymer ESD

0201 0402 0603 (SOD-523) 2510

TVS diodes

SMF Series(SOD-123FL/SC-77/SMD-2) P4SMF Series(SOD-123FL/SC-77) SMA Series(DO-214AC/SMA/SOD106) SMB Series(DO-214AA) P6SMB Series(DO-214AA) 10BJ Series(DO-214AA) SMC Series(DO-214AB) SMD Series(DO-214AB) 5.0SMD Series(DO-214AB) 6.6SMD Series(DO-214AB) SM5S Series SM8S Series(6600W) 3KP Series(R6) 5KP Series(R6) 15KP Series(R6) 30KP Series(R6) P8S Series(R6) P12S Series(R6) P15S Series(R6) P4KE Series(DO-41) P6KE Series(DO-15) 1.5KE Series(DO-201) AK Series(AK) P4SMA Series （SMA/SOD106） DFN2020-6L

TSS Protection Thyristors

SMA Series(DO-214AC/SOD106) SMB Series(DO-214AA) DO-15 Series TO-92 Series SOP-8 Series SIDAC

GDT gas discharge tube

SMD3216 Series SMD4532 Series SMD5050 Series 2R-5 Series 2R-6 Series 2R-8 Series 3R-5 Series 3R-6 Series 3R-8 Series

MOV Varistors

SMD 0402 series SMD 0603 series SMD 0805 series SMD 1206 series SMD 1210 series SMD 1812 series SMD 2220 series SMD 3220 series Plug-in 05D series Plug-in 07D series Plug-in 10D series Plug-in 14D series Plug-in 20D series Plug-in 25D series Plug-in 32D series Plug-in 34D series Plug-in 40D series Plug-in 53D series Surface Mount - Monolithic Varistors

PPTC Resettable Fuses

SMD0603 series SMD0805 series SMD1206 series SMD1210 series SMD1812 series SMD2018 series SMD2920 series HL06 series HL16 series HL30 series HL60 series HL130 series HL250 series HL600 series

MOSFET

N-channel MOSFET P-channel MOSFET N+P channel MOSFET Dual N-channel MOSFET Dual P channel MOSFET

Rectifier Schottky

0201(DFN0603) 0402 SOD-723 0603(SOD-523) 0805(SOD-323) SOT-23 SOD-123FL SMA(SMAF) SMB(SMBF) SMC（DO-214AB） TO-277 TO-252/DPAK TO-220/TO-220-3L Bridge Rectifiers TO-247

Zener

SOD-882 0603(SOD-523) SOD-323 SOD-123FL/SOD-123SL/DO-219AB SMA SMB SOT-23

Inductor

Molding winding Common common mode

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RS485 RS422 communication chip RS232 communication chip CAN communication chip

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signal protection

Home > signal protection

20.1 RS232 electrostatic protection scheme

About Us

Shanghai Leiditech Electronic Technology Co., Ltd., is famous brand in China, leiditech is founded
by original R&D Dr. of TI and Semtech. We mainly develops and produces EMC electromagnetic
related components and circuit protection components . LEIDITECH products have been widely
used all over the world and support LOCAL brands oversea. LEIDITECH has a reputation in the
TVS/ESD industry.

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