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| 51 varistor products revision: july 16, 2009 ?2009 littelfuse, inc. auml varistor series surface mount multilayer varistors (mlvs) > auml series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/auml.html for current information. auml series auml varistor series rohs description the auml series of multilayer transient surge suppressors was speci?cally designed to suppress the destructive transient voltages found in an automobile. the most common transient condition results from large inductive energy discharges. the electronic systems in the automobile, e.g. antilock brake systems, direct ignition systems, engine control, airbag control systems, wiper motor controls, etc., are susceptible to damage from these voltage transients and thus require protection. the auml transient suppressors have temperature independent suppression characteristics affording protection from -55oc to 125oc. the auml suppressor is manufactured from semiconducting ceramics which offer rugged protection and excellent transient energy absorption in a small package. the devices are available in ceramic leadless chip form, eliminating lead inductance and assuring fast speed of response to transient surges. these suppressors require signi?cantly smaller space and land pads than silicon tvs diodes, offering greater circuit board layout ?exibility for the designer. also see the littelfuse ml, mln and mle series of multilayer suppressors. features t " & $ 2 d p n q m j b o u t 3 p ) 4 $ p n q m j b o u t - p b e % v n q f o f s h z rated per sae speci?cation j1113 t - f b e m f t t
t v s g b d f mount chip form t i ; f s p w - f b e inductance t 7 b s j f u z p g f o f s h z ratings available t / p u f n q f s b u v s f derating up to 125oc ambient t ) j h i q f b l t v s h f current capability t - p x 1 s p m m f
d p n q b d u industry standard d i j q t j [ f
b o e 4 j [ f t t * o i f s f o u c j e j s f d u j p o b m clamping t / p 1 m b t u j d p s f q p y z packaging assures c f u u f s u i b o 7 ?ammability rating size table metric eia 3225 4532 1812 absolute maximum ratings t ' p s s b u j o h t p g j o e j w j e v b m n f n c f s t p g b t f s j f t t f f % f w j d f 3 b u j o h t b o e 4 q f d j m d b u j p o t d i b s u continuous auml series units steady state applied voltage: % $ 7 p m u b h f 3 b o h f 7 . % $ 18 v transient: - p b e % v n q & o f s h z 8 - % 1.5 to 25 j + v n q 4 u b s u $ b q b c j m j u z n j o v u f t 7 + 6 . 1 24.5 v 0 q f s b u j o h " n c j f o u 5 f n q f s b u v s f 3 b o h f 5 a -55 to +125 o c 4 u p s b h f 5 f n q f s b u v s f 3 b o h f 5 stg u p o c temperature coefficient ( 7 p g $ m b n q j o h 7 p m u b h f 7 c b u 4 q f d j g j f e 5 f t u $ v s s f o u %/ o c caution: stresses above those listed in absolute maximum ratings may cause permanent damage to the device. this is a stress o nly rating and operation of the device at these or any other conditions above those indicated in the operational sections of this speci?cation is not implied. applications t 4 v q q s f t t j p o p g inductive switching or other transient events such as & ' 5 and surge voltage at the circuit board level t & 4 % q s p u f d u j p o g p s components sensitive u p * & $ . * - 4 5 % $ . f u i p e b o e p u i f s industry speci?cations (see also the mle p s . - / 4 f s j f t t 1 s p w j e f t p o c p b s e transient voltage protection for ics and transistors t 6 t f e u p i f m q b d i j f w f electromagnetic compliance of end products t 3 f q m b d f m b s h f s t v s g b d f n p v o u 5 7 4 ; f o f s t j o many applications 52 varistor products ?2009 littelfuse, inc. revision: july 16, 2009 auml varistor series surface mount multilayer varistors (mlvs) > auml series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/auml.html for current information. device ratings and speci?cations part number maximum ratings (125 oc ) speci?cations (25 oc ) maximum continuous dc voltage jump start voltage (5 min) load dump energy (10 pulses) nominal varistor voltage at 10ma dc test current maximum standby leakage (at 13v dc) maximum clamping voltage (v c ) at test current (8/20 s) v . % $ v + 6 . 1 w - % v / % $ min v / % $ max i l v c i 1 (v) (v) (j) (v) (v) ( a) (v) (a) 7 " 6 . - " 18 24.5 1.5 23 32 1. 5 7 " 6 . - " 18 24.5 23 32 1. 5 v18aumla1812 18 24.5 23 32 7 " 6 . - " 18 24.5 25 23 32 notes: " w f s b h f q p x f s e j t t j q b u j p o p g u s b o t j f o u t o p u u p f y d f f e 8 8 8 b o e 8 g p s n p e f m t j [ f t b o e s f t q f d u j w f m z - p b e % v n q f o f s h z s b u j o h j o u p u i f t v q q s f t t p s p g b w p m u b h f u s b o t j f o u x j u i b s f t v m u b o u u j n f d p o t u b o u p g n t u p n t 5 i f s n b m t i p d l d b q b c j m j u z q f s . j m 4 u e . f u i p e ? $ u p ? $ n j o v u f t b u ? $ $ z d m f t n j o v u f t b u f b d i f y u s f n f ' p s b q q m j d b u j p o t q f d j m d s f r v j s f n f o u t q m f b t f d p o u b d u - j u u f m g v t f ' p s b v u p n p u j w f 7 b o e 7 b q q m j d b u j p o t q m f b t f d p o u b d u z p v s - j u u f m g v t f s f q s f t f o u b u j w f p s w j t j u x x x m j u u f m g v t f d p n g p s u i f m b u f t u q s p e v d u update. current, energy and power derating curve 8 i f o u s b o t j f o u t p d d v s j o s b q j e t v d d f t t j p o u i f b w f s b h f q p x f s e j t t j q b u j p o j t u i f f o f s h z x b u u t f d p o e t q f s q v m t f times the number of pulses per second. the power so developed must be within the speci?cations shown on the % f w j d f 3 b u j o h t b o e $ i b s b d u f s j t u j d t 5 b c m f g p s u i f t q f d j m d device. certain parameter ratings must be derated at high temperatures as shown below. 100 90 80 70 60 50 40 30 20 10 0 -55 50 60 70 80 90 100 110 120 130 140 150 percent of rated value ambient temperature ( o c) t 1 t 2 100 50 0 o 1 time percent of peak value t peak pulse current test waveform for clamping voltage typical v-i characteristics of the v18aumla2220 at -40oc, 25oc, 85oc and 125oc maximum leakage current/clamping voltage curve for auml series at 25oc voltage 100 1 1ma 10ma 100ma 1a 10a 100a current 100a 10a 10 1210/1206 1812 2220 maximum leakage maximum clamping voltage 1210/1206 1812 2220 100 10 1 1a 10a 100a 1ma -40 o c 25 o c 85 o c 10ma 100ma 1a 10a 100a 1000a current 125 o c voltage 1 7 j s u v b m 0 s j h j o p g 8 b w f 5 5 j n f g s p n u p p g 1 f b l t 1 3 j t f 5 j n f y 5 t 2 % f d b z 5 j n f example ' p s b o t $ v s s f o u 8 b w f g p s n 8 s = t 1 3 j t f 5 j n f s = t 2 % f d b z 5 j n f figure 1 figure 2 figure 3 figure 4 53 varistor products revision: july 16, 2009 ?2009 littelfuse, inc. auml varistor series surface mount multilayer varistors (mlvs) > auml series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/auml.html for current information. auml series speed of response the clamping action of the auml suppressor depends on a conduction mechanism similar to that of other t f n j d p o e v d u p s e f w j d f t j f 1 / + v o d u j p o t 5 i f b q q b s f o u slow response time often associated with transient w p m u b h f t v q q s f t t p s t ; f o f s t . 0 7 t j t p g u f o e v f u p parasitic inductance in the package and leads of the device and less dependent of the basic material (silicon, ; n 0 5 i v t u i f t j o h m f n p t u d s j u j d b m f m f n f o u b g g f d u j o h u i f response time of any suppressor is its lead induc-tance. the auml suppressor is a surface mount device, with no leads or external packaging, and thus, it has virtually zero inductance. the actual response time of a auml surge suppressor is in the 1 to 5 ns range, more than suf?cient for the transients which are likely to be encountered in an automotive environment. multilayer internal construction temperature effects in the leakage region of the auml suppressor, the device d i b s b d u f s j t u j d t b q q s p b d i f t b m j o f b s p i n j d s f m b u j p o t i j q and shows a temperature dependent affect. in this region the suppressor is in a high resistance mode (approaching ? b o e b q q f b s t b t b o f b s p q f o d j s d v j u - f b l b h f d v s s f o u t at maximum rated voltage are in the microamp range. 8 i f o d m b n q j o h u s b o t j f o u t b u i j h i f s d v s s f o u t b u b o e b c p w f u i f n " s b o h f u i f " 6 . - t v q q s f t t p s b q q s p b d i f t b d i b s b d u f s j t u j d * o u i j t s f h j p o u i f d i b s b d u f s j t u j d t of the auml are virtually temperature independent. ' j h v s f t i p x t u i f u z q j d b m f g g f d u p g u f n q f s b u v s f p o the v-i characteristics of the auml suppressor. load dump energy capability " - p b e % v n q u s b o t j f o u p d d v s t x i f o u i f b m u f s o b u p s m p b e j o the automobile is abruptly reduced. the worst case scenario of this transient occurs when the battery is disconnected while operating at full rated load. there are a number of e j g g f s f o u - p b e % v n q t q f d j m d b u j p o t j o f y j t u f o d f j o u i f automotive industry, with the most common one being that recommended by the society of automotive engineers, speci?cation #sae j1113. because of the diversity of these - p b e % v n q t q f d j m d b u j p o t - j u u f m g v t f e f m o f t u i f - p b e % v n q f o f s h z d b q b c j m j u z p g u i f " 6 . - t v q q s f t t p s s b o h f b t that energy dissipated by the device itself, independent p g u i f u f t u d j s d v j u t f u v q 5 i f s f t v m u b o u - p b e % v n q f o f s h z handling capability serves as an excellent ?gure of merit for u i f " 6 . - t v q q s f t t p s 4 u b o e b s e - p b e % v n q t q f d j m d b u j p o t s f r v j s f b e f w j d f d b q b c j m j u z p g q v m t f t b u s b u f e f o f s h z b d s p t t b u f n q f s b u v s f s b o h f p g ? $ u p ? $ 5 i j t capability requirement is well within the ratings of all of the " 6 . - 4 f s j f t ' j h v s f p o o f y u q b h f ' v s u i f s u f t u j o h p o u i f " 6 . - 4 f s j f t i b t d p o d f o u s b u f e p o f y u f o e j o h u i f o v n c f s p g - p b e % v n q q v m t f t b u s b u f e energy, which are applied to the devices. the reliability information thus generated gives an indication of the inherent capability of these devices. as an example of e f w j d f e v s b c j m j u z u i f t j [ f i b t c f f o t v c k f d u f e u p p w f s q v m t f t b u j u t s b u f e f o f s h z p g k p v m f t + u i f t j [ f i b t c f f o q v m t f e p w f s u j n f t b u + b o e t j [ f i b t c f f o q v m t f e b u j u t s b u f e f o f s h z p g + p w f s u j n f t * o all cases there has been little or no change in the device d i b s b d u f s j t u j d t ' j h v s f p o o f y u q b h f the very high energy absorption capability of the auml suppressor is achieved by means of a highly controlled manufacturing process. this technology ensures that a large volume of suppressor material, with an interdigitated layer construction, is available for energy absorption in an extremely small package. unlike equivalent rated silicon tvs diodes, the entire auml device volume is available to e j t t j q b u f u i f - p b e % v n q f o f s h z ) f o d f u i f q f b l u f n q f s b u v s f t h f o f s b u f e c z u i f - p b e % v n q u s b o t j f o u b s f t j h o j m d b o u m z m p x f s b o e f w f o m z e j t t j q b u f e u i s p v h i p v u u i f d p n q m f u f e f w j d f ' j h v s f c f m p x 5 i j t even energy dissipation ensures that there are lower peak u f n q f s b u v s f t h f o f s b u f e b u u i f 1 / h s b j o c p v o e b s j f t p g u i f auml suppressor. there are a number of different size devices available in the auml series, each one with a load dump energy rating, which is size dependent. experience has shown that while the effects of a load dump tranient is of real concern, its frequency of occurrence is much less than thoe of low energy inductive spikes. such low energy inductive spikes may be generated as a result p g n p u p s t t x j u d i j o h p o b o e p g g g s p n & 4 % p d d v s s b o d f t g v t f blowing, etc. it is essential that the suppression technology selected also has the capability to suppress such transients. 5 f t u j o h p o u i f 7 " 6 . - " i b t t i p x o u i b u b g u f s c f j o h t v c k f d u f e u p b s f q f u j u j w f f o f s h z q v m t f p g + p w f s u j n f t o p d i b s b d u f s j t u j d d i b o h f t i b w f p d d v s s f e ' j h v s f p o o f y u q b h f figure 5 54 varistor products ?2009 littelfuse, inc. revision: july 16, 2009 auml varistor series surface mount multilayer varistors (mlvs) > auml series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/auml.html for current information. auml load dump pulsing over a temperature range of -55oc to +125oc repetitive energy testing of v18aumla2220 at an energy level of 2 joules v(10ma) 35 30 25 20 15 10 5 0 0123456 789101112 voltage # of load dumps 2220 = 25j 1812 = 6j 1210 = 3j # of load dumps v(10ma) 35 30 25 20 15 10 5 0 0 50 100 150 200 250 300 350 1,000 2,00 0 voltage 2220 = 25j 1812 = 6j 1210 = 3j v at 10ma 100 10 1000 2000 3000 4000 5000 6000 7000 v18aumla2220 voltage number of pulses repetitive load dump pulsing at rated energy figure 6 figure 7 figure 8 55 varistor products revision: july 16, 2009 ?2009 littelfuse, inc. auml varistor series surface mount multilayer varistors (mlvs) > auml series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/auml.html for current information. auml series lead (pb) soldering recommendations the principal techniques used for the soldering of d p n q p o f o u t j o t v s g b d f n p v o u u f d i o p m p h z b s f * 3 3 f n p x b o e 8 b w f t p m e f s j o h 5 z q j d b m q s p m m f t b s f t i p x o p o u i f s j h i u the termination option available for each solder technique is: 3 f n p x 8 b w f / j d l f m # b s s j f s q s f g f s s f e / j d l f m # b s s j f s q s f g f s s f e 4 j m w f s 1 m b u j o v n the recommended solder for the auml suppressor is b 4 o 1 c " h 4 o 1 c p s 4 o 1 c - j u u f m g v t f b m t p s f d p n n f o e t b o 3 . " t p m e f s n v y 8 b w f t p m e f s j o h j t u i f n p t u t u s f o v p v t p g u i f q s p d f t t f t to avoid the possibility of generating stresses due to thermal shock, a preheat stage in the soldering process is recommended, and the peak temperature of the solder process should be rigidly controlled. 8 i f o v t j o h b s f n p x q s p d f t t d b s f t i p v m e c f u b l f o u p f o t v s f u i b u u i f " 6 . - d i j q j t o p u t v c k f d u f e u p b u i f s n b m gradient steeper than 4 degrees per second; the ideal h s b e j f o u c f j o h e f h s f f t q f s t f d p o e % v s j o h u i f t p m e f s j o h q s p d f t t q s f i f b u j o h u p x j u i j o e f h s f f t p g u i f t p m e f s h t peak temperature is essential to minimize thermal shock. once the soldering process has been completed, it is still necessary to ensure that any further thermal shocks are avoided. one possible cause of thermal shock is hot printed circuit boards being removed from u i f t p m e f s q s p d f t t b o e t v c k f d u f e u p d m f b o j o h t p m w f o u t at room temperature. the boards must be allowed to d p p m h s b e v b m m z u p m f t t u i b o ? $ c f g p s f d m f b o j o h 230 temperature ( o c) time (minutes) 300 250 200 150 100 50 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 maximum wave 260 o c second preheat first preheat 5.0 6.0 7.0 maximum temperature 260?c 20 - 40 seconds within 5?c preheat zone ramp rate <3?c/s 60 - 150 sec > 217?c leadCfree (pb-free) soldering recommendations littelfuse offers the nickel barrier termination ?nish for the optimum leadCfree solder performance. 5 i f q s f g f s s f e t p m e f s j t 4 o " h $ v x j u i b o 3 . " ?ux, but there is a wide selection of pastes and ?uxes available with which the nickel barrier parts should be compatible. the re?ow pro?le must be constrained by the maximums j o u i f - f b e o g s f f 3 f n p x 1 s p m m f ' p s - f b e o g s f f 8 b w f t p m e f s j o h u i f 8 b w f 4 p m e f s 1 s p m m f t u j m m b q q m j f t note: the leadCfree paste, ?ux and pro?le were used for evaluation purposes by littelfuse, based upon industry standards and practices. there are multiple choices of all three available, it is advised that the customer explores the optimum combination for their process as processes vary considerably from site to site. re?ow solder pro?le wave solder pro?le leadCfree re-?ow solder pro?le figure 9 figure 10 figure 11 56 varistor products ?2009 littelfuse, inc. revision: july 16, 2009 auml varistor series surface mount multilayer varistors (mlvs) > auml series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/auml.html for current information. product dimensions (mm) note: avoid metal runs in this area, parts are not recommended g p s v t f j o b q q m j d b u j p o t v t j o h 4 j m w f s " h f q p y z q b t u f d e w l symbol 1206 size 1210 size 1812 size 2220 size in mm in mm in mm in mm a b c d n b y e l w 1 " % - " : 0 6 5 % * . & / 4 * 0 / 4 $ ) * 1 - " : 0 6 5 % * . & / 4 * 0 / 4 explanation of terms maximum continuous dc working voltage (*v . % $ + ) 5 i j t j t u i f n b y j n v n d p o u j o v p v t % $ w p m u b h f x i j d i n b z be applied, up to the maximum operating temperature ? $ u p u i f . - t v q q s f t t p s 5 i j t w p m u b h f j t v t f e b t u i f reference test point for leakage current and is al ways less than the breakdown voltage of the device. load dump energy rating *w - % + this is the actual energy the part is rated to dissipate v o e f s - p b e % v n q d p o e j u j p o t o p u u p c f d p o g v t f e x j u i u i f t p v s d f f o f s h z p g b - p b e % v n q u f t u t q f d j m d b u j p o maximum clamping voltage *v c + this is the peak voltage appearing across the suppressor when measured at conditions of speci?ed pulse current b o e t q f d j m f e x b w f g p s n t * u j t j n q p s u b o u u p o p u f that the peak current and peak voltage may not necessarily be coincidental in time. leakage current *i l + in the nonconducting mode, the device is at a very i j h i j n q f e b o d f b q q s p b d i j o h at its rated working w p m u b h f b o e b q q f b s t b t b o b m n p t u p q f o d j s d v j u j o u i f system. the leakage current drawn at this level is very low (<25 " b u b n c j f o u u f n q f s b u v s f b o e v o m j l f u i f ; f o f s e j p e f u i f n v m u j m b z f s 5 7 4 i b t u i f b e e f e b e w b o u b h f that, when operated up to its maximum temperature, j u t m f b l b h f d v s s f o u x j m m o p u j o d s f b t f b c p w f a. nominal voltage *v / % $ + this is the voltage at which the auml enters its conduction state and begins to suppress transients. in the automotive environment this voltage is e f m o f e b u u i f n " q p j o u b o e i b t b n j o j n v n (v / % $ . * / b o e n b y j n v n 7 / % $ . " 9 w p m u b h f t q f d j m f e " - p b e % v n q u s b o t j f o u p d d v s t x i f o u i f b m u f s o b u p s m p b e in the automobile is abruptly reduced. the worst case scenario of this transient occurs when the battery is disconnected while operating at full rated load. there b s f b o v n c f s p g e j g g f s f o u - p b e % v n q t q f d j m d b u j p o t j o existence in the automotive industry, with the most common one being that recommended by the society of automotive engineers, speci?cation #sae j1113. because p g u i f e j w f s t j u z p g u i f t f - p b e % v n q t q f d j m d b u j p o t - j u u f m g v t f e f m o f t u i f - p b e % v n q f o f s h z d b q b c j m j u z p g the auml suppressor range as that energy dissipated by the device itself, independent of the test circuit setup. 5 i f s f t v m u b o u - p b e % v n q f o f s h z i b o e m j o h d b q b c j m j u z serves as an excellent ?gure of merit for the auml t v q q s f t t p s 4 u b o e b s e - p b e % v n q t q f d j m d b u j p o t s f r v j s f b e f w j d f d b q b c j m j u z p g q v m t f t b u s b u f e f o f s h z b d s p t t b u f n q f s b u v s f s b o h f p g ? $ u p ? $ 5 i j t d b q b c j m j u z requirement is well within the ratings of all of the auml 4 f s j f t ' j h v s f 57 varistor products revision: july 16, 2009 ?2009 littelfuse, inc. auml varistor series surface mount multilayer varistors (mlvs) > auml series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/auml.html for current information. auml series v 18 auml a 2220 x x packing options end termination option device size load dump energy rating indicator automotive multilayer designator maximum dc working voltage device family a: bulk pack, 2500 pieces h: 7in (178mm) diameter reel* t: 13in (330mm) diameter reel* * see quanttities in packaging table below no letter: ag/p t 2220 size only n: nickel barrier i.e., 220 mil x 200 mil tvss device part numbering system packaging* device size quantity 13 inch reel ('t' option) 7 inch reel ('h' option) bulk pack ('a' option) 1812 1 b d l b h j o h * u j t s f d p n n f o e f e u i b u q b s u t c f l f q u j o u i f t f b m f e c b h q s p w j e f e b o e u i b u q b s u t c f v t f e b t t p p o b t q p t t j c m f x i f o s f n p w f e g s p n c b h t 58 varistor products ?2009 littelfuse, inc. revision: july 16, 2009 auml varistor series surface mount multilayer varistors (mlvs) > auml series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/auml.html for current information. symbol description dimensions in millimeters a 0 8 j e u i p g $ b w j u z % f q f o e f o u p o $ i j q 4 j [ f u p . j o j n j [ f 3 p u b u j p o b 0 length of cavity % f q f o e f o u p o $ i j q 4 j [ f u p . j o j n j [ f 3 p u b u j p o k 0 % f q u i p g $ b w j u z % f q f o e f o u p o $ i j q 4 j [ f u p . j o j n j [ f 3 p u b u j p o w 8 j e u i p g 5 b q f f % j t u b o d f # f u x f f o % s j w f ) p m f $ f o u f s t b o e $ b w j u z $ f o u f s t e % j t u b o d f # f u x f f o % s j w f ) p m f $ f o u f s t b o e 5 b q f & e h f p 1 % j t u b o d f # f u x f f o $ b w j u z $ f o u f s p 2 " y j b m % j t u b o d f # f u x f f o % s j w f ) p m f $ f o u f s t b o e $ b w j u z $ f o u f s t p 0 " y j b m % j t u b o d f # f u x f f o % s j w f ) p m f $ f o u f s t d 0 % s j w f ) p m f % j b n f u f s d 1 % j b n f u f s p g $ b w j u z 1 j f s d j o h t 1 embossed tape thickness . b y . b y t 2 top tape thickness . b y . b y t $ p o g p s n t u p & * " 3 f w j t j p o " t $ b o c f t v q q m j f e u p * & $ q v c m j d b u j p o / 0 5 & % j n f o t j p o t j o n j m m j n f u f s t tape 8mm wide tape 12mm wide tape chip size 1812 standard packaging tape and reel is the standard packaging method of the " 6 . - 4 f s j f t 5 i f t u b o e b s e n j m m j n f u f s o j o d i s f f m v u j m j [ f e d p o u b j o t q j f d f t g p s u i f b o e d i j q t q j f d f t g p s u i f d i j q b o e q j f d f t g p s u i f t j [ f to order: add h t h to the standard part number, e.g.v18aumla222ot. special packaging option1: n j m m j n f u f s o j o d i s f f m t d p o u b j o j o h q j f d f t b s f b w b j m b c m f 5 p p s e f s b e e h ) h u p u i f t u b o e b s e q b s u o v n c f s f h 7 " 6 . - " ) option 2 ' p s t n b m m t b n q m f r v b o u j u j f t m f t t u i b o q j f d f t u i f v o j u t b s f t i j q q f e c v m l q b d l 5 p p s e f s b e e h " h u p u i f standard part number, e.g. v18aumla222 " tape and reel speci?cations |
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