m 1 multilayer chip varistors ? shape & dimensions (4 element chip) type mp2n1220 mp4n1632 l 2.00.20 3.20.2 w 1.250.20 1.600.20 t 0.80.1 1.2 max s 0.760.1 0.800.1 m 0.620.1 0.400.1 bl 0.40.15 0.40.15 bw 0.10~0.18 0.20~0.45 s bw w t l b l shape & dimensions (1 element chip) t w l c s ize code l w t max c min 1005 ( 0402 ) 1.00.05 0.50.05 0.55 0.1 1608 ( 0603 ) 1.60.15 0.80.15 0.9 0.2 2012 ( 0805 ) 2.00.20 1.250.20 1.3 0.2 3216 ( 1206 ) 3.20.25 1.600.20 1.4 0.2 3225 ( 1210 ) 3.20.25 2.500.25 1.7 0.2
pre-heating soldering cooling 230 ? 200 100 0 flow soldering reflow soldering land pattern design a a b b a a c c c c a a b b a a 1005 1005 1608 1608 2012 , 3216 2012 , 3216 3225 3225 size a b c 1005 0.7 0.5 0.5 1608 1.0 0.8 0.8 2012 1.0 1.0 1.2 3216 1.1 2.2 1.6 3225 1.1 2.2 2.5 soldering profile pre-heating soldering cooling 240 ? 200 100 0 60 sec. min. 10 sec. max. temperature( ? ) 60 sec. min. 10 sec. max. temperature( ? ) multi layer chip varistors s ize mp2n1220 mp4n1632 a1.2 0.8 b0.6 0.8 c2.6 3.0 d0.4 0.4 a b d c array pattern general chip pattern 2
packing ( reel , emboss packing ) reel dimension number of packages type q uality (pcs/r eel) 1005 (0402) 10,000 1608 (0603) 4,000 2012 (0805) 4,000 3216 (1206) 3,000 3225 (1210) 3,000 abcdewr t ? 1782 ? 50min ? 130.5 21.00.8 2.00.5 10.00.5 1.0 2.00.5 leader and blank portion multi layer chip varistors 1
taping dimension type eia code abcd 1005 0402 1.150.1 0.650.1 1608 0603 2.00.2 1.200.2 2012 0805 2.40.2 1.650.2 3216 1206 3.60.2 2.000.2 3225 1210 3.60.2 2.900.2 paper emboss 1005 0402 2.00.05 1.00.05 2.00.05 0.8 - 1608 0603 1.1 - 2012 0805 1.1 2.0 3216 1206 1.1 2.0 3225 1210 - 2.0 hj t ( max) type eia code fg 8.00.3 3.50.05 e 1.750.1 4.00.1 4.00.1 2.00.05 1.5 +0.1/-0 multi layer chip varistors 2
terminology multilayer chip varistors ? working voltage vw(dc) - maximum continuous dc volta ge with which the waveform is flat. when a ripple voltage is supplied as from a rectifier source, make sure that the peak voltage is kept under the vdcm. vw(ac) - maximum continuous ac voltage from a sine-wave shape. when the distortion in the waveform is extensive, make sure that the peak voltage is less than ?? 2 times the vw (ac) varistor voltage ( vb (@1m a) , breakdown voltage ) the varistor terminal voltage whic h measured with supplying 1 ? dc current. maximum transient clamping voltage ( vc ) the peak terminal voltage wh ich measured with an 8/20 ? impulse of a given peak current transient energy rating specified peak current & waveform ?a 0.05j 1a 8/20 ? 0.1 j 2a 8/20 ? 0.2 ~ 0.3 j 5a 8/20 ? 0.4 j ?? 10a 8/20 ? maximum transient peak current ( ip ) maximum single peak current which is based on 8/20 ? current wave shape , without the device failure ? maximum transient energy ( et ) maximum allowable transient energy for a single impulse of 10/1000 ? current without device failure capacitance the capacitance measured at a specified frequenc y 1mhz and zero voltage bias with 0.5 vrms 1
item requirements test condition operating temp. range - 55 ? ~ + 125 ? - storage temp 40 ? max , 70% rh max at packing condition solderability ? more than 90% of the terminal electrode shall be covered with new solder ? v/v1ma ?a ?? 10% preheat temperature : 120 ~ 150 ? solder : 60 sn / 40 pb preheat time : 60 sec. solder temperature : 230 5 ? soldering time : 3 ?? 1 sec. resistance to soldering heat ? no visible damage such as cracks ? v/v1ma ?a ?? 10% preheat : 120 ~ 150 ? 1min solder temperature : 260 5 ? immersion time : 10 ?? 1 sec. take it out and set if for 1~2hours then measure. vibration ? no visible damage frequency : 10 ~ 55 hz length : 1.5 mm direction : x, y, z sweep time : 2 hours for each axis humidity resistance ? no visible damage ? v/v1ma ?a ?? 10% temperature : 40 2 ? humidity : 90 ~ 95 % rh time : 500 12 hours measurement at room temperature after placing for 24 hours humidity load resistance ? no visible damage ? v/v1ma ?a ?? 10% temperature : 40 2 ? humidity : 90 ~ 95 % rh applied voltage : rated vdc time : 500 12 hours measurement at room ambient temperature after placing for 24 hours high temperature load resistance ? no visible damage ? v/v1ma ?a ?? 10% temperature : 125 5 ? applied voltage : rated voltage time : 1000 +72/-24 hours measurement at room ambient temperature after placing for 24 hours reliability and test conditions multilayer chip varistors 2
item requirements test condition temperature cycle ? no visible damage ? v/v1ma ?a ?? 10% 1. -40 3 ? for 30 minutes 2. 85 3 ? for 30 minutes 3. repeat 100 cycle the terminal electrode shall be neither break off nor the chip damage chip size 1005 1608 2012 3216 terminal strength w [kgf] - 1.0 2.0 2.5 no mechanical damage chip size 1005 1608 2012 3216 a [mm] - 1.0 1.0 1.3 b [mm] - 0.8 1.0 1.5 c [mm] - 1.3 1.3 3.0 lateral push strength w [kgf] - 2.0 4.0 5.0 bending strength no visible damage ? v/v1ma ?a ?? 10% according to jis c 6485 distance : 1mm speed : 30 mm/min maximum peak current ip (a) ? no visible damage ? v/v1ma ?a ?? 10% 8/20 ? waveform impulse of +/- each polarity measurement at room temperature after placing for 24 hours max transient energy et (j) ? no visible damage ? v/v1ma ?a ?? 10% on standard circumstance impulse the 10/1000 ? specified current wave 1 times measurement at room temperature after placing for 24 hours esd test ? no visible damage ? v/v1ma ?a ?? 10% esd test iec 61000-4-2 contact discharge 8kv +/- porarity 10000 times 10 sec interval ? esd life 15kv air discharge 10 times , 10 sec interval measurement at room temperature after placing for 24 hours w reliability and test conditions multilayer chip varistors w a b a c r0.5 3
? series name code product name vsn chip varistor smd type vsl smd low capacitance type vsh smd high surge current type code energy rating a 0.1 j h 1.2 j b 0.2 j j 1.5 j c 0.3 j k 2.0 j d 0.4 j p 3.0 j e 0.6 j u 0.01 j f 0.7 j v 0.02 j g 0.9 j x 0.05 j energy rating code code packaging b bulk pack r tape & r eel p ack e embossed tape pack packaging code multilayer chip varistors how to order (vsn, vsl, vsh series) how to order (vsn, vsl, vsh series) vsn 1608 a 05 t r ? ? size code the first two digits : length(mm) the last two digits : width (mm) code working voltage 03 3.5 vdc 05 5.6 vdc 09 9.0 vdc ?? two digits are real value maximum allowable working voltage ? termination code t : ag / pd / pt, ag/pt p : ag / pd n : nickel barrier how to order (vhs series) 1 v 1005 hs 03 ? ? , series name size code the first two digits : length(mm) the last two digits : width (mm) high speed type vhs product name code capacitance code 12pf 12 3pf 03 capacitance code
2 chip varistors arrays ? how to order (array type) mp 4 n 1632 a 05 t r ? ?? ? series name multi-line protection chip varistor array array type 4 : 4 arrays 2 : 2 arrays style n: normal construction l: low capacitance type size code the first two digits : width(mm) the lost two digits : length(mm) ? energy rating code a: 0.1 joules x: 0.05 joules wording voltage code termination type t : ag/pd/pt, ag/pt p : ag/pd n : nickel barrier ? packing code code working voltage 05 5.6 vdc 09 9.0 vdc 14 14 vdc ? ? two digits are real value code packaging b bulk pack r tape & reel pack e embossed tape pack
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