features compact size low capacitance performance stability over life high insulation resistance rohs compliant* ul recognized applications mdc / pci modems splitters telecom cpe datacom characteristics 2051 series gas discharge tube surge protector *rohs directive 2002/95/ec jan. 27, 2003 including annex and rohs recast 2011/65/eu june 8, 2011. speci cations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device perfor mance may vary over time. users should verify actual device performance in their speci c applications. test methods per itu-t (ccitt) k.12 and ieee c62.31 insulation resistance (ir) ............................... 50 / 100 v dc ......................................................> 1g glow voltage ................................................... 10 ma ......................................................... .......~ 70 v arc voltage ...................................................... 1 a ......................................................... ............~ 10 v glow-arc transition current ................................................................................................... ....< 1 a capacitance..................................................... 1 mhz ......................................................... ......< 1 pf impulse discharge current .............................. 2000 a, 8/20 ? .................................................10 ope rations 100 a, 8/20 ? ...................................................300 operations 10 a, 10/1000 ? ...............................................100 operations alternating discharge current ......................... 2 a, 50 hz, 1 sec ...............................................10 oper ations operating & storage temperature ..............................................................................................-40 to +125 ? climatic category (iec 60068-1)................................................................................................ 40 / 90 / 21 notes: ? ul recognized component, ul file e153537. ? at delivery aql 0.65 level ii, din iso 2859. ? bourns recommends re owing surface mount devices per ipc/jedec j-std-020 rev d. characteristic model no. 2051-09 2051-15 2051-20 2051-23 2051-30 dc sparkover @ 100 v/s 90 v ?0 % 150 v ?0 % 200 v ?5 % 230 v ?5 % 300 v ?5 % impulse sparkover (1) 100v/ s 1000v/ s <500 v <600 v <500 v <600 v <500 v <650 v <500 v <650 v <600 v <750 v bourns 2051 series micro surface mount, 2-electrode gdt surge protection device is designed to meet board level protection requiremen ts with reduced space requirements. the 2051 series is ideal for high-speed/high-bandwidth applications with a typical capacitanc e of 0.6 pf. the 2051 series product dimensions are 2.7 x 3.2 x 4.5 mm. *rohs compliant characteristic model no. 2051-35 2051-40 2051-42 2051-47 2051-60 dc sparkover @ 100 v/s 350 v ?5 % 400 v ?5 % 420 v ?5 % 470 v ?5 % 600 v ?5 % impulse sparkover (1) 100v/ s 1000v/ s <650 v <800 v <750 v <900 v <750 v <900 v <800 v <950 v <950 v <1100 v asia-paci c: tel: +886-2 2562-4117 ?fax: +886-2 2562-4116 emea: tel: +36 88 520 390 ?fax: +36 88 520 211 the americas: tel: +1-951 781-5500 ?fax: +1-951 781-5700 www.bourns.com (1) impulse sparkover voltage is de ned as typical values of distribution.
speci cations are subject to change without notice. the device characteristics and parameters in this data sheet can and do vary in different applications and actual device perfor mance may vary over time. users should verify actual device performance in their speci c applications. 2051 series gas discharge tube surge protector product dimensions how to order 2051 - xx - sm - rp lf model number designator voltage (divided by 10) 09 = 90 v 35 = 350 v 15 = 150 v 40 = 400 v 20 = 200 v 42 = 420 v 23 = 230 v 47 = 470 v 30 = 300 v 60 = 600 v surface mount packaging rp = reelpack (2,500 pieces per reel) rohs compliancy lf = rohs compliant product recommended pad layout packaging speci cations the model 2051-xx-sm ships standard reelpack (-rp), 2500 pieces per reel. reel is 330 mm in diameter and 14 mm wide. rev. d 07/15 4.5 0.3 (0.177 0.012) 3.2 0.3 (0.126 0.012) 0.5 0.1 (0.020 0.004) 2.7 0.3 (0.106 0.012) 3.0 (0.118) 4.2 (0.165) 1.5 (0.059) dimensions: mm (inches) 1.55 0.05 (0.061 0.002) 4.0 0.1 (0.157 0.004) 0.4 0.1 (0.016 0.004) 12.0 0.3 (0.472 0.012) 1.75 0.1 (0.069 0.004) dia. 5.45 0.1 (0.215 0.004) 3.1 0.1 (0.122 0.004) 8.0 0.1 (0.315 0.004) 330 (12.992) dia. 1.5 (0.059) min. typ. typ. 100.0 (3.937) 14.0 (0.551)
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