gas discharge tube gf4 series smd 2-electrode 4*4.2 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. smd type series 3. dc spark-over voltage 75~600v 4. low capacitance 5. 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 f 4 2 r 0 7 5 n b m 1 2 3 4 5 6 7 8 9 10 11 12 13 product code g thinking gas discharge tube type series (size) f4 4.0*t4.2 electrode number 2r 2 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 m smd round type
gas discharge tube gf4 series smd 2-electrode 4*4.2 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 maximum impulse breakdown voltage maximum impulse discharge current (8/20 s) impulse life (10/1000 s) normal alternating discharge current dc holdover voltage (100v/s) 100v/ s 1kv/ s 1 time 10 times 100a 50hz, 1sec single 9 cycles <150ms minimum insulation resistance maximum capacitance (1mhz) safety approvals type (v) (v) (v) (ka) times (a) (v) (g ) (pf) ul 497b gf42r075nrm 7520% 700 800 52 gf42r090nrm 9020% 700 800 52 gf42r145nrm 14520% 700 800 52 gf42r230nrm 23020% 600 700 80 GF42R250NRM 25020% 600 700 80 gf42r300nrm 30020% 600 700 150 gf42r350nrm 35020% 650 800 150 gf42r400nrm 40020% 700 800 150 gf42r470nrm 47020% 800 900 150 gf42r600nrm 60020% 900 1000 5 3 300 3 6 150 1 0.5 note1: ul / 497b file no. e245070 note 2 insulation resistance test condition: dc breakdown voltage dc measuring voltage 70-90v 50v 120-400v 100v 470-600v 250v dimension (unit:mm) recommended pad size (unit: mm) 4.2 0.5 4.0 0.4 0.4 0.2 4.0 0.4 3.5 5.0 1.3
gas discharge tube gf4 series smd 2-electrode 4*4.2 mm 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 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 s 1 year. p d p 0 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 4.6 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 15typ. 50 typ. 330 4.0
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