1 nic components corp. www.niccomp.com www.lowesr.com www.rfpassives.com www.smtmagnetics.com specifications are subject to change surface mount gas discharge tube ngtc series features ? fast response, high current (2,000a @ 8/20 ms) ? case size 1812 (4.5mm x 3.2mm x 2.7mm) ? low capacitance and insertion loss ? ul listed - isolated loop circuit protectors-components ? compatible with reflow soldering (+260c) ? rohs compliant specifications *see part number system for details rohs compliant includes all homogeneous materials* 1. parameters are based on itu-t k.12 2. the v-t waveform of the dc breakdown voltage and impulse spark-over voltage must lie between the shades areas (see graph below) 3. total impulse discharge current 2,000a @ 8/20s by iec 61000-4-5, 10 shots. w l h t t l w h t 4.5 0.3 3.2 0.2 2.7 0.2 0.5 0.2 dimensions (mm) v max. 0.2v min. nominal rate of rise nominal rate of rise limit limit v 0 0 0.9t 1 t 1 1.1t 1 0.9t 2 t 2 1.1t 2 t ngtc 1812 401 tr f rohs compliant tr = tape & reel voltage code: 401 = 40 x 10 1 = 4 0 0 v o l t s tolerance code (n = 30%, see specifcations table) case size code (see dimensions table) series part numbering system n 2 2 = 2ka impulse discharge current contact nic regarding availability of values not shown. type breakdown voltage 1, 2 (100v/s) breakdown voltage tolerance (v) impulse spark-over voltage 1, 2 (1kv/ms) impulse discharge current 3 (8/20ms) insulation resistance cap. (1mhz, 0.5vdc) arc voltage 1a application circuit ngtc1812n201tr1f 200v 140 ~ 260 750v 2,000a 1gw @ 100v <1pf ~8v rs485 rs232 rs422 ngtc1812n301tr1f 300v 210 ~ 390 750v ~15v dc12v ac24v NGTC1812N401TR1F 400v 360 ~ 560 950v ~15v xdsl ngtc1812n601tr1f 600v 420 ~ 780 1200v ~15v ethernet 1 2 1 2 1 2 1 2 ul listing: nic components corp isolated loop circuit protectors - component re: qvgq2.e467518 spark-over test waveform (itu-t k.12)
2 nic components corp. www.niccomp.com www.lowesr.com www.rfpassives.com www.smtmagnetics.com specifications are subject to change ngtc series case size a b c 1812 3.5 5.5 3.5 a b c land pattern dimensions (mm) surface mount gas discharge tube 150c ~ 200c 60 ~ 180 sec. 260c 5 sec. max. ramp up 3c/sec. max. 217c 60 ~ 150 sec. ramp down 6c/sec. max. 25c to 260c 8 minutes max. 200c reflow soldering temperature profile
3 nic components corp. www.niccomp.com www.lowesr.com www.rfpassives.com www.smtmagnetics.com specifications are subject to change case size a b fd 0 e f p 0 p 1 t k o w 1812 3.70 0.20 4.70 0.20 1.50 0.10 1.75 0.10 5.50 0.10 4.00 0.10 8.00 0.10 0.4 0.20 3.10 0.20 12.0 0.20 embossed plastic carrier dimensions (mm) t e w fd 0 p 0 f a d o b k o p 1 case size d d1 d2 w1 qty 1812 f330 f50 13.0 0.15 16.8 2.0 2,000 d1 d2 d w1 reel dimensions (mm) and quantity ngtc series surface mount gas discharge tube
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