323 www.littelfuse.com 2 electrode gdt graphical symbol gdt showing seating plane for sl0902axxxsm 5.0 0.2 5.0 0.2 5.0 0.2 sl0902axxxsm 0902 voltage sm=surface mount type 2 pole mini arrester a xxx sl sm ordering information all dimensions in mm the broadband optimized sl0902 series has been especially developed to offer high surge ratings in a miniature package. unique design features offer high levels of performance on fast rising tran- sients in the domain of 100v/? to 1kv/?s, which are those most likely from induced lightning disturbances. the device offers low insertion loss, so is well suited to braodband equipment. the capacitance does not vary with voltage, so will not cause operational problems with adsl2+ where capacitance varia- tion across tip and ring is undesirable. these devices are extreme- ly robust and are able to divert a 2500a pulse without destruction. for ac power cross of long duration, overcurrent protection is rec- ommended. features ? rohs compliant ?ghz working frequency ?excellent stability on multiple pulse duty cycle ? excellent response to fast rising transients. ?ultra low insertion loss ? surface mountable ? 2.5ka surge capability tested with 8/20ms pulse as defined by iec 61000-4-5 applications: ? broadband equipment. ? adsl equipment, including adsl2+. ? xdsl equipment. ? satellite and catv equipment. ? general telecom equipment. mechanical specifications: weight: 0.33g (0.011 oz.) materials: electrode base: copper alloy electrode plating: bright tin body: ceramic device marking: ?f?logo, voltage and date code packaging: tape and reel to eia rs-296-d, 1500 pieces bulk in vacuum sealed bags, 1000 pieces greentube sl0902 series gas plasma arresters high performance beta range pb rohs
324 www.littelfuse.com 8 gas discharge tubes nominal on-state voltage @ 1a (v) 20 20 20 20 holdover voltage (3) (v) 50 50 50 50 high performance beta range littelfuse 2 terminal mini arrester series totally non-radioactive, ul recognized notes: (1) at delivery aql 0.65 level ii, din iso 2869 (2) in ionized mode (3) tested according to itu-t rec.k12 (4) 10 shots, a.c. 60hz, 1sec. duration (5) 10 shots, 8/20s wave form per iec 61000-4-5 (6) measured @ 100v (7) pending ul approval greentubea sl0902 series gas plasma arresters part number sl0902a090 SL0902A230 sl0902a350 sl0902a420 (7) dc breakover voltage @ 2kv/sec (1,2) 72-108 184-276 280-420 350-504 max dynamic breakover voltage @ 100v/ s (vbr) 300 400 550 675 max dynamic breakover voltage @ 1 kv/ s (vbr) 550 500 650 800 ac discharge current (4) (a) 2.5 2.5 2.5 2.5 impulse discharge current (5) (ka) 2.5 2.5 2.5 2.5 insulation resistance (6) (ohms) 1x10 9 1x10 9 1x10 9 1x10 9 max capacitance (pf) 1.5 1.5 1.5 1.5 voltage (v) time ( ns ) 0 200 400 600 800 1000 1200 max dynamic breakover voltage hold-over voltage on-state voltage voltage vs time characteristic pb rohs 0.59 0.6 0.61 0.62 0.63 0.64 0.65 0.66 5 volts 0 volts 15 volts 35 volts 25 volts capacitance (pf) temperature (?c ) @ bias voltage bias voltage -50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 capacitance vs. temperature @ various bias voltages
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