gas discharge tube gqf series smd 3-electrodes 5*7.2 mm symmetrical 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. dc spark-over voltage: 230~1100v 4. low capacitance 5. agency recognition: ul/cul 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 q f 3 r 0 7 5 n b w 1 2 3 4 5 6 7 8 9 10 11 12 13 product code g thinking gas discharge tube type series (size) qf 5.0*t7.2 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 packaging b bulk t ammo taping r reel taping internal control code product type w smd symmetrical type
gas discharge tube gqf series smd 3-electrodes 5*7.2 mm symmetrical type thinking electronic industrial co., ltd. 2 www.thinking.com.tw 2010.09 all specification are subject to change without not ice. characteristics max. dc spark-over voltage max. impulse breakdown voltage impulse discharge current (8/20 s) impulse discharge life (10/1000 s) nom. ac discharge current dc holdover voltage (100v/s) 100v/ s 1kv/ s 1 time 10 times 200a 50hz, 1s single 9 cycles <150ms minimum insulation resistance maximum capacitance (1mhz) safety approvals type (v) (v) (v) (ka) times (a) (v) (g ) (pf) ul 1449 ul 497b GQF3R230NRW 23020% 600 700 10 5 5 20 135 gqf3r250nrw 25020% 600 700 10 5 5 20 135 gqf3r350nrw 35020% 650 750 10 5 5 20 135 gqf3r400nrw 40020% 700 800 10 5 5 20 135 gqf3r420nrw 42020% 700 800 10 5 5 20 135 gqf3r470nrw 47020% 800 900 10 5 5 20 135 gqf3r600nrw 60020% 900 1000 10 5 5 20 135 gqf3r800nrw 80020% 1150 1400 10 5 5 20 135 gqf3r11bnrw 110020% 1450 1750 10 5 300 5 20 135 1 2 note 1: ul / 497b file no. e245070 , ul / 1449 3rd file no. e314979 note 2: insulation resistance test conditions: dc breakdown voltage dc measuring voltage 145-400v 100v 420-800v 250v 1000-2000v 500v note 3: dc breakdown voltage @ 100v/us for l1 / ll2 to ground and l1 to l2 note 4: impulse breakdown voltage @ 100v/us and 100 0v/us for l1 / l2 to ground dimension 7.20.3 5.00.1 5.00.1 0.4 0.4 1.5
gas discharge tube gqf series smd 3-electrodes 5*7.2 mm symmetrical type thinking electronic industrial co., ltd. 3 www.thinking.com.tw 2010.09 all specification are subject to change without not ice. marking packaging taping gqf p d p0 f w e t k item p p0 w f e d k t spec. 12.0 4.0 16.0 7.5 1.75 1.55 5.5 0.5 tol. 0.1 0.1 0.3 0.1 0.1 0.05 0.1 0.05 quantity 900pcs per reel (13 ) unit: mm 18typ. >1.5 100 typ. 330 4.0 3r230w
gas discharge tube gqf series smd 3-electrodes 5*7.2 mm symmetrical type thinking electronic industrial co., ltd. 4 www.thinking.com.tw 2010.09 all specification are subject to change without not ice. 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
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