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Circuit Protection for USB2.0

Universal Serial Bus (USB) has become the industry standard interface for transmitting data and charging a variety devices from mobile, computing, storage, home electronics, and automotive industries.

Interface Standard High Speed Pairs Max Data Rate (Mb/s) Max Capacitance (pF) Additional Lines
USB2.0 Full Speed 1 1.5 20 Vcc
USB2.0 High Speed 1 480 1.2 Vcc
USB2.0 OTG 1 480 1.2 Iden, Vcc

USB2.0 connector USB2.0 Mini B connector USB2.0 connectors


Low Capacitance ESD Protection

Features/Benefits
Low Capacitance ESD
Diagram

NUP4114: Low Capacitance Diode with ESD Protection

Low Capacitance ESD
- NUP4114

Key Devices Lines Capacitance (pF) Package Size (mm)
NUP4114UPX 4 0.8 SOT-563 1.6 x 1.6
NUP4114UCL 4 0.5 SC-88 2.0 x 2.1
NUP4114H 4 0.8 TSOP-6 3.0 x 2.75
ESD7L5.0 2 0.5 SOT-723 1.2 x 1.2
ESD9L5.0 1 0.5 SOD-923 1.0 x 0.6


Low Capacitance ESD + Common Mode Filter

Features/Benefits
Low Capacitance ESD
+ Common Mode Filter Diagram

EMI2121: Common Mode Filter with ESD Protection

USB2.0 @ 480 Mb/s

Low Capacitance ESD + Common Mode Filter - EMI2121
USB2.0 diagram
USB2.0 CMF Graph

Part Pairs Capacitance @2.5 V (pF) CM Attenuation @800 MHz (-db) DM Bandwidth F3db (GHz) Package Size (mm)
EMI2121 1 0.9 -25 2.5 WQFN 2.2 x 2.0 x 0.75
EMI2124 1 0.9 -25 2.5 WQFN 2.2 x 2.0 x 0.75
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