www.littelfuse.com ?2011 littelfuse pgb1 series speci?cations are subject to change without notice. 1 revised: march 8, 2011 pulseguard ? suppressors surface mount polymeric esd suppressors 3 2 1 pulseguard esd suppressors help protect sensitive electronic equipment against electrostatic discharge (esd). t hey supplement the on-chip protection of integrated circuitry and are best suited for low-voltage, high-speed applications where low capacitance is important. data ports utilizing such high-speed protocols as usb 2.0, ieee1394, hdmi and dvi can bene?t from this new technology. pulseguard suppressors use polymer composite materials to suppress fast-rising esd transients (as speci?ed in iec 61000-4-2), while adding virtually no capacitance to the circuit. description features applications t ) % 5 7 ) b s e x b s f t - b q u p q % f t l u p q computer t / f u x p s l ) b s e x b s f t $ p n q v u f s 1 f s j q i f s b m t t % j h j u b m $ b n f s b t & |