gas discharge tube: gb8 series 3-electrode 8.0*t10 mm type thinking electronic industrial co., ltd. 1 www.thinking.com.tw 2010.09 all specification are subject to change without not ice. features 1. rohs compliant 2. rugged ceramic-metal construction 3. available with or without leads 4. available with fail-safe clip 5. dc spark-over voltage 75~600v 6. low capacitance 7. agency recognition :ul recommended applications 1. data transmission lines 2. communication lines 3. catv system 4. power distribution system 5. power supplier 6. test equipment 7. instrumentation circuits part number code g b 8 3 r 0 7 5 r b 1 2 3 4 5 6 7 8 9 10 11 12 13 product code g thinking gas discharge tube type series (size) b8 8.0*t10 electrode number 3r 3 electrodes dc spark-over voltage 070 70v 230 230v 600 600v 14b 1400v 25b 2500v lead wire style n no lead r radial lead packaging b bulk t ammo taping r reel taping internal control code product type f fail-safe clip
gas discharge tube: gb8 series 3-electrode 8.0*t10 mm type thinking electronic industrial co., ltd. 2 www.thinking.com.tw 2010.09 all specification are subject to change without not ice. characteristics dc breakdown voltage max. impulse breakdown voltage impulse discharge current (8/20 s) impulse life (10/1000 s) normal alternating discharge current dc holdover voltage (100v/s) 100v/ s 1kv/ s 10 times (5 times each polarity) 200 a 50hz,1sec <150ms minimum insulation resistance maximum capacitance (1mhz) safety approvals type (v) (v) (v) (ka) times (a) (v) (g ) (pf) ul 497b gb83r075 ( f) 7520% 600 700 52 gb83r090 ( f) 9020% 600 700 52 gb83r145 ( f) 14520% 500 700 52 gb83r200 ( f) 20020% 500 700 135 gb83r230 ( f) 23020% 600 700 135 gb83r250 ( f) 25020% 600 700 135 gb83r300 ( f) 30020% 700 900 150 gb83r350 ( f) 35020% 700 900 150 gb83r400 ( f) 40020% 800 1000 150 gb83r420 ( f) 42020% 800 1000 150 gb83r470 (f) 47020% 900 1000 150 gb83r600 ( f) 60020% 1000 1100 20 130 20 150 10 2 note1 the first is the style of lead wire, the second is packaging. note2 f = with fail-safe clip for optional. note 3: ul / 497b file no. e245070 note 4: insulation resistance test conditions: dc breakdown voltage dc measuring voltage 75-90v 50v 145-400v 100v 420-600v 250v
gas discharge tube: gb8 series 3-electrode 8.0*t10 mm type thinking electronic industrial co., ltd. 3 www.thinking.com.tw 2010.09 all specification are subject to change without not ice. dimensions = r (radial lead type) = n (no lead type) =f (fail-safe device) s r2 r1 t1 d l unit: mm dimensions item spec. tolerance d 8.0 +0.2/-0.8 t 10.0 0.5 t1 13.4 +0.8/-0.5 l 7.5 0.5 s 4.4 0.4 d 1.0 0.05 dimensions item spec. tolerance d 8.0 +0.2/-0.8 t 10.0 0.5 unit: mm dimensions item spec. tolerance r1 8.1 0.3 r2 9.8 0.4 t1 13.4 0.4 l 11.0 0.5 s 4.4 0.3 d 1.0 0.05 unit: mm
gas discharge tube: gb8 series 3-electrode 8.0*t10 mm type thinking electronic industrial co., ltd. 4 www.thinking.com.tw 2010.09 all specification are subject to change without not ice. marking packaging bulk plastic tray (210x220x12mm) inner box (210x225x60mm) outside box (450x245x345mm) storage conditions of gdt (i) storage conditions: 1. storage temperature: -10 ~ +40 . 2. relative humidity: 75%rh. Q 3. gas discharge tube must be kept away from sunlig ht and stored in a non-corrosive atmosphere. (ii) shelf life: 1 year. 100 pcs/plastic tray 500 pcs/box 5000 pcs/carton
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