high voltage 2-electrode gas discharge tube (gdt) revision october 18, 2013 1 / 4 @socay electronics co., ltd. 2013 specifications are subject to change without notice. please refer to www.socay.com for current information. un2e5 series socay electronics co., ltd. www.socay.com un2e5-xxxdl un2e5-xxxd the high voltage (1.0- 3.5kv) gas discharge tubes are designed for surge protection and high isolation applications, and for applications for which bias voltages or signal levels of several hundred volts are normally present. u non-radioactive u rohs compliant u low insertion loss u excellent response to fast rising transients u ultra low capacitance u 5ka surge capability tested with 8/20 s pulse as de ? ned by iec 61000-4-5 materials nickel-plated with tinplated wires product marking union xxxxd xxxx -nominal voltage d -2.5ka glow to arc transition current < 0.5amps glow voltage ~180 volts storage and operational temperature -40 to +90 c un2e5-xxxdl ~1.0g u crt terminals u catv equipment u antennas u power supplies u medical electronics weight un2e5-xxxd ~0.85g agency approvals features schematic symbol applications product characteristics description
high voltage 2-electrode gas discharge tube (gdt) revision october 18, 2013 2 / 4 @socay electronics co., ltd. 2013 specifications are subject to change without notice. please refer to www.socay.com for current information. un2e5 series socay electronics co., ltd. www.socay.com axial leaded devices (un2e5-xxxdl) without wire devices (un2e5-xxxd) service life dc spark-over voltage maximum impulse spark-over voltage maximum capacitance arc voltage nominal impulse discharge current max impulse discharge current part number marking @100v/s @100v/ s @1kv/ s minimum insulation resistance @1mhz @1a @8/20 s 5 times @8/20 s 1 time UN2E5-1000DL un2e5-1000d 1000d 1000v 20% 1500v 1600v 1 g (at 100v) 1.0pf ~25v 2.5ka 5ka un2e5-1600dl un2e5-1600d 1600d 1600v 20% 2200v 2400v 1 g (at 100v) 1.0pf ~25v 2.5ka 5ka un2e5-2000dl un2e5-2000d 2000d 2000v 20% 3000v 3500v 1 g (at 100v) 1.0pf ~25v 2.5ka 5ka un2e5-2500dl un2e5-2500d 2500d 2500v 20% 3800v 4000v 1 g (at 100v) 1.0pf ~25v 2.5ka 5ka un2e5-2700dl un2e5-2700d 2700d 2700v 20% 3800v 4000v 1 g (at 100v) 1.0pf ~25v 2.5ka 5ka un2e5-3000dl un2e5-3000d 3000d 3000v 20% 4300v 4500v 1 g (at 100v) 1.0pf ~25v 2.5ka 5ka un2e5-3500dl un2e5-3500d 3500d 3500v 20% 4800v 5000v 1 g (at 100v) 1.0pf ~25v 2.5ka 5ka notes: 1). terms in accordance with itu-t k.12 and gb/t 9043-2008 2). at delivery aql 0.65 level , din iso 2859 dimensions ( unit: mm ) electrical characteristics
high voltage 2-electrode gas discharge tube (gdt) revision october 18, 2013 3 / 4 @socay electronics co., ltd. 2013 specifications are subject to change without notice. please refer to www.socay.com for current information. un2e5 series socay electronics co., ltd. www.socay.com item test condition / description requirement dc spark-over voltage the voltage is measured with a slowly rate of rise dv / dt=100v/s impulse spark-over voltage the maximum impulse spark-over voltage is measured with a rise time of dv / dt=100v// s or 1kv/ s insulation resistance the resistance of gas tube shall be measured each terminal each other terminal , please see above spec. capacitance the capacitance of gas tube shall be measured each terminal to each other terminal. test frequency :1mhz nominal impulse discharge current the maximum current applying a waveform of 8/20 s that can be applied across the terminals of the gas tube. one hour after the test is completed, re-testing of the dc spark-over voltage does not exceed 30% of the nominal dc spark-over voltage. dwell time between pulses is 3 minutes. to meet the specified value solder iron temperature: 350 c +/-5 c heating time: 5 seconds max. electrical rating recommended soldering profile wave soldering soldering profile applied a single process reflow soldering soldering parameters - hand soldering
high voltage 2-electrode gas discharge tube (gdt) revision october 18, 2013 4 / 4 @socay electronics co., ltd. 2013 specifications are subject to change without notice. please refer to www.socay.com for current information. un2e5 series socay electronics co., ltd. www.socay.com part number description quantity un2e5-xxxdl 100pcs per tray, 10 trays / inner carton 1000 un2e5-xxxd 100pcs per tray, 10 trays / inner carton 1000 tray used in un2e5-xxxdl tray used in un2e5-xxxd u gas discharge tubes (gdt) must not be operated directly in power supply networks. u gas discharge tubes (gdt) may become hot in case of longer periods of current stress (danger of burning). u gas discharge tubes (gdt) may be used only within their specified values. in the event of overload, the head contacts may fail or the component may be destroyed. u damaged gas discharge tubes (gdt) must not be re-used. part numbering un2e5 C xxx d l l, with axial wire no, without wire 8/20 s level d, 2.5ka nominal dc spark-over voltage 1000 = 1000v 3000=3000v 1600 = 1600v 3500=3500v 2000 = 2000v 2500 = 2500v series packaging information unit: mm cautions and warnings
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