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w a l s i n t e c h n o l o g y c o r p o r a t i o n p a g e 1 o f 1 0 w r 1 2 / w r 0 8 / w r 0 6 / w r 0 4 v e r s i o n 1 f e b . - 2 0 0 8 w r 1 2 , w r 0 8 , w r 0 6 , w r 0 4 1 % , 5 % g e n e r a l p u r p o s e c h i p r e s i s t o r s s i z e 1 2 0 6 , 0 8 0 5 , 0 6 0 3 , 0 4 0 2 ( s p e c i a l r e q u i r e m e n t ) c u s t o m e r : a p p r o v a l n o : i s s u e d a t e : c u s t o m e r a p p r o v a l : http://www..net/ datasheet pdf - http://www..net/
w a l s i n t e c h n o l o g y c o r p o r a t i o n p a g e 2 o f 1 0 w r 1 2 / w r 0 8 / w r 0 6 / w r 0 4 v e r s i o n 1 f e b . - 2 0 0 8 f e a t u r e 1 . h i g h r e l i a b i l i t y a n d s t a b i l i t y 2 . r e d u c e d s i z e o f f i n a l e q u i p m e n t 3 . l o w e r a s s e m b l y c o s t s 4 . h i g h e r c o m p o n e n t a n d e q u i p m e n t r e l i a b i l i t y 5 . l e a d f r e e p r o d u c t s u p o n c u s t o m e r r e q u e s t e d a p p l i c a t i o n c o n s u m e r e l e c t r i c a l e q u i p m e n t a u t o m o t i v e a p p l i c a t i o n e d p , c o m p u t e r a p p l i c a t i o n t e l e c o m a p p l i c a t i o n d e s c r i p t i o n t h e r e s i s t o r s a r e c o n s t r u c t e d i n a h i g h g r a d e c e r a m i c b o d y ( a l u m i n u m o x i d e ) . i n t e r n a l m e t a l e l e c t r o d e s a r e a d d e d a t e a c h e n d a n d c o n n e c t e d b y a r e s i s t i v e p a s t e t h a t i s a p p l i e d t o t h e t o p s u r f a c e o f t h e s u b s t r a t e . t h e c o m p o s i t i o n o f t h e p a s t e i s a d j u s t e d t o g i v e t h e a p p r o x i m a t e r e s i s t a n c e r e q u i r e d a n d t h e v a l u e i s t r i m m e d t o w i t h i n t o l e r a n c e b y l a s e r c u t t i n g o f t h i s r e s i s t i v e l a y e r . t h e r e s i s t i v e l a y e r i s c o v e r e d w i t h a p r o t e c t i v e c o a t . f i n a l l y , t h e t w o e x t e r n a l e n d t e r m i n a t i o n s a r e a d d e d . f o r e a s e o f s o l d e r i n g t h e o u t e r l a y e r o f t h e s e e n d t e r m i n a t i o n s i s a l e a d - t i n o r t i n ( l e a d f r e e ) a l l o y . f i g 1 . c o n s c t r u c t i o n o f a c h i p - r http://www..net/ datasheet pdf - http://www..net/
w a l s i n t e c h n o l o g y c o r p o r a t i o n p a g e 3 o f 1 0 w r 1 2 / w r 0 8 / w r 0 6 / w r 0 4 v e r s i o n 1 f e b . - 2 0 0 8 q u i c k r e f e r e n c e d a t a i t e m g e n e r a l s p e c i f i c a t i o n s e r i e s n o . w r 1 2 w r 0 8 w r 0 6 w r 0 4 s i z e c o d e 1 2 0 6 ( 3 2 1 6 ) 0 8 0 5 ( 2 0 1 2 ) 0 6 0 3 ( 1 6 0 8 ) 0 4 0 2 ( 1 0 0 5 ) r e s i s t a n c e r a n g e 1 w ~ 1 0 m w ( 5 % t o l e r a n c e ) , 1 0 w ~ 1 m w ( 1 % t o l e r a n c e ) , j u m p e r r e s i s t a n c e t o l e r a n c e 1 % e 9 6 / e 2 4 5 % e 2 4 1 % e 9 6 / e 2 4 5 % e 2 4 1 % e 9 6 / e 2 4 5 % e 2 4 1 % e 9 6 / e 2 4 5 % e 2 4 t c r ( p p m / c ) 1 0 m w
r 1 0 w r 1 0 w 1 0 0 2 0 0 1 0 0 2 0 0 1 0 0 2 0 0 1 0 0 2 0 0 1 0 0 2 0 0 1 0 0 2 0 0 1 0 0 2 0 0 1 0 0 2 0 0 m a x . d i s s i p a t i o n @ t a m b = 7 0 c 1 / 4 w 1 / 8 w 1 / 1 0 w 1 / 1 6 w m a x . o p e r a t i o n v o l t a g e ( d c o r r m s ) 2 0 0 v 1 5 0 v 5 0 v 5 0 v m a x . o v e r l o a d v o l t a g e ( d c o r r m s ) 4 0 0 v 3 0 0 v 1 0 0 v 1 0 0 v c l i m a t i c c a t e g o r y ( i e c 6 0 0 6 8 ) 5 5 / 1 2 5 / 5 6 n o t e : 1 . t h i s i s t h e m a x i m u m v o l t a g e t h a t m a y b e c o n t i n u o u s l y s u p p l i e d t o t h e r e s i s t o r e l e m e n t , s e e i e c p u b l i c a t i o n 6 0 1 1 5 - 8 2 . m a x . o p e r a t i o n v o l t a g e : s o c a l l e d r c w v ( r a t e d c o n t i n u o u s w o r k i n g v o l t a g e ) i s d e t e r m i n e d b y v a l u e r e s i s t a n c e p o w e r r a t e d r c w v = o r m a x . r c w v l i s t e d a b o v e , w h i c h e v e r i s l o w e r . 3 . t h e r e s i s t a n c e r a n g e 1 ~ 1 0 w a n d 1 m ~ 1 0 m w w i t h 1 % t o l e r a n c e p l e a s e r e f e r t o w r 1 2 w / w r 0 8 w / w r 0 6 w s e r i e s . 4 . t h e r e s i s t a n c e o f j u m p e r i s d e f i n e d < 0 . 0 5 w . d i m e n s i o n s ( u n i t : m m ) w r 1 2 w r 0 8 w r 0 6 w r 0 4 l 3 . 1 0 0 . 1 0 2 . 0 0 0 . 1 0 1 . 6 0 0 . 1 0 1 . 0 0 0 . 0 5 w 1 . 6 0 0 . 1 0 1 . 2 5 0 . 1 0 0 . 8 0 0 . 1 0 0 . 5 0 0 . 0 5 t 0 . 6 0 0 . 1 5 0 . 5 0 0 . 1 5 0 . 4 5 0 . 1 5 0 . 3 5 0 . 0 5 t b 0 . 4 5 0 . 2 0 0 . 4 0 0 . 2 0 0 . 3 0 0 . 1 5 0 . 2 5 0 . 1 0 t t 0 . 5 0 0 . 2 0 0 . 4 0 0 . 2 0 0 . 3 0 0 . 1 0 0 . 2 0 0 . 1 0 http://www..net/ datasheet pdf - http://www..net/
w a l s i n t e c h n o l o g y c o r p o r a t i o n p a g e 4 o f 1 0 w r 1 2 / w r 0 8 / w r 0 6 / w r 0 4 v e r s i o n 1 f e b . - 2 0 0 8 m a r k i n g s i z e \ n r . o f d i g i t o f c o d e \ t o l e r a n c e 5 % 1 % 1 2 0 6 ( 3 2 1 6 ) 3 - d i g i t s m a r k i n g 4 - d i g i t s m a r k i n g 0 8 0 5 ( 2 0 1 2 ) 3 - d i g i t s m a r k i n g 4 - d i g i t s m a r k i n g 0 6 0 3 ( 1 6 0 8 ) 3 - d i g i t s m a r k i n g 3 - d i g i t s m a r k i n g 0 4 0 2 ( 1 0 0 5 ) n 0 m a r k i n g 3 - d i g i t s m a r k i n g 5 % : 1 2 0 6 & 0 8 0 5 & 0 6 0 3 e a c h r e s i s t o r i s m a r k e d w i t h a t h r e e d i g i t s c o d e o n t h e p r o t e c t i v e c o a t i n g t o d e s i g n a t e t h e n o m i n a l r e s i s t a n c e v a l u e . f o r v a l u e s u p t o 9 . 1 t h e r i s u s e d a s a d e c i m a l p o i n t . f o r v a l u e s o f 1 0 . 0 o r g r e a t e r t h e f i r s t 2 d i g i t s a p p l y t o t h e r e s i s t a n c e v a l u e a n d t h i r d i n d i c a t e t h e n u m b e r o f z e r o s t o f o l l o w . 3 - d i g i t s m a r k i n g 1 % : 0 6 0 3 n o m i n a l r e s i s t a n c e d e s c r i p t i o n 1 . e - 2 4 s e r i e s a s 0 6 0 3 w r 0 6 x 5 % . 2 . e - 9 6 s e r i e s t h e 1 s t t w o d i g i t c o d e s a r e r e f e r r i n g t o t h e c o d e o n t h e t a b l e , t h e 3 r d c o d e i s t h e i n d e x o f r e s i s t a n c e v a l u e : y = 1 0 - 2 ? x = 1 0 - 1 ? a = 1 0 0 ? b = 1 0 1 ? c = 1 0 2 ? d = 1 0 3 ? e = 1 0 4 ? f = 1 0 5 e x : 1 7 . 8 = 2 5 x ? 1 7 8 = 2 5 a ? 1 k 7 8 = 2 5 b 1 7 k 8 = 2 5 c ? 1 7 8 k = 2 5 d ? 1 m 7 8 = 2 5 e 3 . r e m a r k t h e r e i s n o m a r k i n g f o r t h e i t e m s a r e n o t u n d e r e - 2 4 a n d e - 9 6 s e r i e s c o d e r _ v a l u e c o d e r _ v a l u e c o d e r _ v a l u e c o d e r _ v a l u e c o d e r _ v a l u e c o d e r _ v a l u e c o d e r _ v a l u e c o d e r _ v a l u e 0 1 1 0 0 1 3 1 3 3 2 5 1 7 8 3 7 2 3 7 4 9 3 1 6 6 1 4 2 2 7 3 5 6 2 8 5 7 5 0 0 2 1 0 2 1 4 1 3 7 2 6 1 8 2 3 8 2 4 3 5 0 3 2 4 6 2 4 3 2 7 4 5 7 6 8 6 7 6 8 0 3 1 0 5 1 5 1 4 0 2 7 1 8 7 3 9 2 4 9 5 1 3 3 2 6 3 4 4 2 7 5 5 9 0 8 7 7 8 7 0 4 1 0 7 1 6 1 4 3 2 8 1 9 1 4 0 2 5 5 5 2 3 4 0 6 4 4 5 3 7 6 6 0 4 8 8 8 0 6 0 5 1 1 0 1 7 1 4 7 2 9 1 9 6 4 1 2 6 1 5 3 3 4 8 6 5 4 6 4 7 7 6 1 9 8 9 8 2 5 0 6 1 1 3 1 8 1 5 0 3 0 2 0 0 4 2 2 6 7 5 4 3 5 7 6 6 4 7 5 7 8 6 3 4 9 0 8 4 5 0 7 1 1 5 1 9 1 5 4 3 1 2 0 5 4 3 2 7 4 5 5 3 6 5 6 7 4 8 7 7 9 6 4 9 9 1 8 6 6 0 8 1 1 8 2 0 1 5 8 3 2 2 1 0 4 4 2 8 0 5 6 3 7 4 6 8 4 9 9 8 0 6 6 5 9 2 8 8 7 0 9 1 2 1 2 1 1 6 2 3 3 2 1 5 4 5 2 8 7 5 7 3 8 3 6 9 5 1 1 8 1 6 8 1 9 3 9 0 9 1 0 1 2 4 2 2 1 6 5 3 4 2 2 1 4 6 2 9 4 5 8 3 9 2 7 0 5 2 3 8 2 6 9 8 9 4 9 3 1 1 1 1 2 7 2 3 1 6 9 3 5 2 2 6 4 7 3 0 1 5 9 4 0 2 7 1 5 3 6 8 3 7 1 5 9 5 9 5 3 1 2 1 3 0 2 4 1 7 4 3 6 2 3 2 4 8 3 0 9 6 0 4 1 2 7 2 5 4 9 8 4 7 3 2 9 6 9 7 6 http://www..net/ datasheet pdf - http://www..net/
w a l s i n t e c h n o l o g y c o r p o r a t i o n p a g e 5 o f 1 0 w r 1 2 / w r 0 8 / w r 0 6 / w r 0 4 v e r s i o n 1 f e b . - 2 0 0 8 4 - d i g i t s m a r k i n g 1 % : 1 2 0 6 / 0 8 0 5 e a c h r e s i s t o r i s m a r k e d w i t h a f o u r d i g i t s c o d e o n t h e p r o t e c t i v e c o a t i n g t o d e s i g n a t e t h e n o m i n a l r e s i s t a n c e v a l u e . f o r v a l u e s o f < 9 7 . 6 w t h e r i s u s e d a s a d e c i m a l p o i n t . f o r v a l u e s o f 1 0 0 w o r g r e a t e r t h e f i r s t 3 d i g i t s a r e s i g n i f i c a n t , t h e f o u r t h i n d i c a t e s t h e n u m b e r o f z e r o s t o f o l l o w . e x a m p l e r e s i s t a n c e 1 0 w 1 2 w 1 0 0 w 6 8 0 0 w 4 7 0 0 0 w 3 - d i g i t s m a r k i n g 1 2 0 6 & 0 8 0 5 & 0 6 0 3 5 % 1 0 0 1 2 0 1 0 1 6 8 2 4 7 3 4 - d i g i t s m a r k i n g 1 0 r 0 1 2 r 0 1 0 0 0 6 8 0 1 4 7 0 2 f u n c t i o n a l d e s c r i p t i o n p r o d u c t c h a r a c t e r i z a t i o n s t a n d a r d v a l u e s o f n o m i n a l r e s i s t a n c e a r e t a k e n f r o m t h e e 2 4 s e r i e s f o r r e s i s t o r s w i t h a t o l e r a n c e o f 5 % , a n d e 9 6 s e r i e s f o r r e s i s t o r s w i t h a t o l e r a n c e o f 1 % . t h e v a l u e s o f t h e e 2 4 / e 9 6 s e r i e s a r e i n a c c o r d a n c e w i t h i e c p u b l i c a t i o n 6 0 0 6 3 d e r a t i n g t h e p o w e r t h a t t h e r e s i s t o r c a n d i s s i p a t e d e p e n d s o n t h e o p e r a t i n g t e m p e r a t u r e ; s e e f i g . 2 . 1 f i g u r e 2 . 1 m a x i m u m d i s s i p a t i o n i n p e r c e n t a g e o f r a t e d p o w e r a s a f u n c t i o n o f t h e a m b i e n t t e m p e r a t u r e f o r w r 1 2 x w r 0 8 x , w r 0 6 x , w r 0 4 x m o u n t i n g d u e t o t h e i r r e c t a n g u l a r s h a p e s a n d s m a l l t o l e r a n c e s , s u r f a c e m o u n t a b l e r e s i s t o r s a r e s u i t a b l e f o r h a n d l i n g b y a u t o m a t i c p l a c e m e n t s y s t e m s . c h i p p l a c e m e n t c a n b e o n c e r a m i c s u b s t r a t e s a n d p r i n t e d - c i r c u i t b o a r d s ( p c b s ) . e l e c t r i c a l c o n n e c t i o n t o t h e c i r c u i t i s b y i n d i v i d u a l s o l d e r i n g c o n d i t i o n . t h e e n d t e r m i n a t i o n s g u a r a n t e e a r e l i a b l e c o n t a c t . http://www..net/ datasheet pdf - http://www..net/
w a l s i n t e c h n o l o g y c o r p o r a t i o n p a g e 6 o f 1 0 w r 1 2 / w r 0 8 / w r 0 6 / w r 0 4 v e r s i o n 1 f e b . - 2 0 0 8 s o l d e r i n g c o n d i t i o n t h e r o b u s t c o n s t r u c t i o n o f c h i p r e s i s t o r s a l l o w s t h e m t o b e c o m p l e t e l y i m m e r s e d i n a s o l d e r b a t h o f 2 6 0 c f o r 1 0 s e c o n d s . t h e r e f o r e , i t i s p o s s i b l e t o m o u n t s u r f a c e m o u n t r e s i s t o r s o n o n e s i d e o f a p c b a n d o t h e r d i s c r e t e c o m p o n e n t s o n t h e r e v e r s e ( m i x e d p c b s ) . s u r f a c e m o u n t r e s i s t o r s a r e t e s t e d f o r s o l d e r a b i l i t y a t 2 4 5 c d u r i n g 3 s e c o n d s . t h e t e s t c o n d i t i o n f o r n o l e a c h i n g i s 2 6 0 c f o r 3 0 s e c o n d s . t y p i c a l e x a m p l e s o f s o l d e r i n g p r o c e s s e s t h a t p r o v i d e r e l i a b l e j o i n t s w i t h o u t a n y d a m a g e a r e g i v e n i n f i g 3 . f i g 3 . i n f r a r e d s o l d e r i n g p r o f i l e f o r c h i p r e s i s t o r s c a t a l o g u e n u m b e r s t h e r e s i s t o r s h a v e a c a t a l o g u e n u m b e r s t a r t i n g w i t h . w r 1 2 x 4 7 2 _ j t l d s i z e c o d e w r 1 2 : 1 2 0 6 w r 0 8 : 0 8 0 5 w r 0 6 : 0 6 0 3 w r 0 4 : 0 4 0 2 t y p e c o d e x : n o r m a l r e s i s t a n c e c o d e e 2 4 : 2 s i g n i f i c a n t d i g i t s f o l l o w e d b y n o . o f z e r o s a n d a b l a n k 2 2 0 w = 2 2 1 _ ( _ m e a n s a b l a n k ) e 9 6 : 3 s i g n i f i c a n t d i g i t s f o l l o w e d b y n o . o f z e r o s 1 0 2 w = 1 0 2 0 3 7 . 4 k w = 3 7 4 2 t o l e r a n c e f : 1 % j : 5 % p : j u m p e r p a c k a g i n g c o d e t : 7 r e e l e d t a p i n g q : 1 0 r e e l e d t a p i n g g : 1 3 r e e l e d t a p i n g b : b u l k t e r m i n a t i o n c o d e l = s n b a s e ( l e a d f r e e ) c u s t o m e r c o d e d = s p e c i a l c u s t o m e r r e q u i r e m e n t w r 1 2 x x x x x f t l d i s d e f i n e d f o r d e l l . w r 0 8 x x x x x f t l d i s d e f i n e d f o r d e l l . w r 0 6 x x x x x f t l d i s d e f i n e d f o r d e l l . w r 0 4 x x x x x f t l d i s d e f i n e d f o r d e l l . w r 1 2 , w r 0 8 , w r 0 6 : 1 . r e e l e d t a p e p a c k a g i n g : 8 m m w i d t h p a p e r t a p i n g 5 0 0 0 p c s p e r 7 r e e l , 1 0 k p c s p e r 1 0 r e e l , 2 0 k p c s p e r 1 3 r e e l . 2 . b u l k p a c k a g i n g : 5 0 0 0 p c s p e r p o l y - b a g w r 0 4 : 1 . r e e l e d t a p e p a c k a g i n g : 8 m m w i d t h p a p e r t a p i n g 1 0 , 0 0 0 p c s p e r r e e l , 2 . b u l k p a c k a g i n g : 1 0 , 0 0 0 p c s p e r p o l y - b a g http://www..net/ datasheet pdf - http://www..net/
w a l s i n t e c h n o l o g y c o r p o r a t i o n p a g e 7 o f 1 0 w r 1 2 / w r 0 8 / w r 0 6 / w r 0 4 v e r s i o n 1 f e b . - 2 0 0 8 t e s t a n d r e q u i r e m e n t s e s s e n t i a l l y a l l t e s t s a r e c a r r i e d o u t a c c o r d i n g t o t h e s c h e d u l e o f i e c p u b l i c a t i o n 1 1 5 - 8 , c a t e g o r y l c t / u c t / 5 6 ( r a t e d t e m p e r a t u r e r a n g e : l o w e r c a t e g o r y t e m p e r a t u r e , u p p e r c a t e g o r y t e m p e r a t u r e ; d a m p h e a t , l o n g t e r m , 5 6 d a y s ) . t h e t e s t i n g a l s o m e e t s t h e r e q u i r e m e n t s s p e c i f i e d b y e i a , e i a j a n d j i s . t h e t e s t s a r e c a r r i e d o u t i n a c c o r d a n c e w i t h i e c p u b l i c a t i o n 6 8 , " r e c o m m e n d e d b a s i c c l i m a t i c a n d m e c h a n i c a l r o b u s t n e s s t e s t i n g p r o c e d u r e f o r e l e c t r o n i c c o m p o n e n t s " a n d u n d e r s t a n d a r d a t m o s p h e r i c c o n d i t i o n s a c c o r d i n g t o i e c 6 0 0 6 8 - 1 , s u b c l a u s e 5 . 3 . u n l e s s o t h e r w i s e s p e c i f i e d , t h e f o l l o w i n g v a l u e s u p p l i e d : t e m p e r a t u r e : 1 5 c t o 3 5 c . r e l a t i v e h u m i d i t y : 4 5 % t o 7 5 % . a i r p r e s s u r e : 8 6 k p a t o 1 0 6 k p a ( 8 6 0 m b a r t o 1 0 6 0 m b a r ) . a l l s o l d e r i n g t e s t s a r e p e r f o r m e d w i t h m i d l y a c t i v a t e d f l u x . r e q u i r e m e n t t e s t p r o c e d u r e / t e s t m e t h o d r e s i s t o r 0 w w w w d c r e s i s t a n c e j i s c 5 2 0 1 - 1 : 1 9 9 8 c l a u s e 4 . 5 d c r e s i s t a n c e v a l u e s m e a s u r e d a t t h e t e s t v o l t a g e s s p e c i f i e d b e l o w : < 1 0 w @ 0 . 1 v , < 1 0 0 w @ 0 . 3 v , < 1 k w @ 1 . 0 v , < 1 0 k w @ 3 v , < 1 0 0 k w @ 1 0 v , < 1 m w @ 2 5 v , < 1 0 m w @ 3 0 v w i t h i n t h e s p e c i f i e d t o l e r a n c e < 5 0 m w t e m p e r a t u r e c o e f f i c i e n t o f r e s i s t a n c e ( t . c . r ) j i s c 5 2 0 1 - 1 : 1 9 9 8 c l a u s e 4 . 8 n a t u r a l r e s i s t a n c e c h a n g e p e r c h a n g e i n d e g r e e c e n t i g r a d e . ( ) 6 1 2 1 1 2 1 0 - - t t r r r ( p p m / c ) t 1 : 2 0 c + 5 c - 1 c r 1 : r e s i s t a n c e a t r e f e r e n c e t e m p e r a t u r e r 2 : r e s i s t a n c e a t t e s t t e m p e r a t u r e r e f e r t o q u i c k r e f e r e n c e d a t a n / a s h o r t t i m e o v e r l o a d ( s . t . o . l ) j i s c 5 2 0 1 - 1 : 1 9 9 8 c l a u s e 4 . 1 3 p e r m a n e n t r e s i s t a n c e c h a n g e a f t e r a 5 s e c o n d a p p l i c a t i o n o f a v o l t a g e 2 . 5 t i m e s r c w v o r t h e m a x i m u m o v e r l o a d v o l t a g e s p e c i f i e d i n t h e a b o v e l i s t , w h i c h e v e r i s l e s s . t o t a l o n e c y c l e . d r / r m a x . ( 1 % + 0 . 0 5 w ) f o r f t o l . d r / r m a x . ( 2 % + 0 . 0 5 w ) f o r j t o l . n o v i s i b l e d a m a g e < 5 0 m w r e s i s t a n c e t o s o l d e r i n g h e a t ( r . s . h ) i e c 6 0 0 6 8 - 2 - 5 8 : 2 0 0 4 u n - m o u n t e d c h i p s c o m p l e t e l y i m m e r s e d f o r 1 0 1 s e c o n d i n a s a c s o l d e r b a t h a t 2 5 5 ? 5 o c d r / r m a x . ( 0 . 5 % + 0 . 0 5 w ) f o r f t o l . d r / r m a x . ( 1 % + 0 . 0 5 w ) f o r j t o l . n o v i s i b l e d a m a g e < 5 0 m w s o l d e r a b i l i t y i e c 6 0 0 6 8 - 2 - 5 8 : 2 0 0 4 u n - m o u n t e d c h i p s c o m p l e t e l y i m m e r s e d f o r 3 0 . 3 s e c o n d i n a s a c s o l d e r b a t h a t 2 4 5 ? 5 o c 9 5 % c o v e r a g e m i n . , g o o d t i n n i n g n o v i s i b l e d a m a g e l e a c h i n g t e s t j i s c 0 0 5 4 : 1 9 9 4 i e c 6 0 0 6 8 - 2 - 5 8 : 2 0 0 4 u n - m o u n t e d c h i p s c o m p l e t e l y i m m e r s e d f o r 3 0 2 1 s e c o n d i n a s n p b s o l d e r b a t h a t 2 6 0 ?2 5 ? d i t t o i n s u l a t i o n r e s i s t a n c e j i s c 5 2 0 1 - 1 : 1 9 9 8 c l a u s e 4 . 6 a p p l y t h e m a x i m u m o v e r l o a d v o l t a g e ( d c ) f o r 1 m i n u t e s r j 1 0 g h d i e l e c t r i c w i t h s t a n d v o l t a g e j i s c 5 2 0 1 - 1 : 1 9 9 8 c l a u s e 4 . 7 a p p l y t h e m a x i m u m o v e r l o a d v o l t a g e ( a c ) f o r 1 m i n u t e s n o b r e a k d o w n o r f l a s h o v e r http://www..net/ datasheet pdf - http://www..net/
w a l s i n t e c h n o l o g y c o r p o r a t i o n p a g e 8 o f 1 0 w r 1 2 / w r 0 8 / w r 0 6 / w r 0 4 v e r s i o n 1 f e b . - 2 0 0 8 r e q u i r e m e n t t e s t p r o c e d u r e / t e s t m e t h o d r e s i s t o r 0 w w w w t e m p e r a t u r e c y c l i n g j i s c 5 2 0 1 - 1 : 1 9 9 8 c l a u s e 4 . 1 9 3 0 m i n u t e s a t - 5 5 c 3 c , 2 ~ 3 m i n u t e s a t 2 0 c + 5 c - 1 c , 3 0 m i n u t e s a t + 1 2 5 c 3 c , 2 ~ 3 m i n u t e s a t 2 0 c + 5 c - 1 c , t o t a l 5 c o n t i n u o u s c y c l e s d r / r m a x . ( 0 . 5 % + 0 . 0 5 w ) f o r f t o l . d r / r m a x . ( 1 % + 0 . 0 5 w ) f o r j t o l . < 5 0 m w d a m p h e a t ( l o a d l i f e i n h u m i d i t y ) j i s c 5 2 0 1 - 1 : 1 9 9 8 c l a u s e 4 . 2 4 1 0 0 0 + 4 8 / - 0 h o u r s ; 1 . 5 h o u r s o n , 0 . 5 h o u r s o f f a t r c w v i n a h u m i d i t y c h a m b e r c o n t r o l l e d 4 0 2 c , 9 0 ~ 9 5 % r h d r / r m a x . ( 0 . 5 % + 0 . 0 5 w ) f o r t o l . d r / r m a x . ( 2 % + 0 . 0 5 w ) f o r j t o l . n o v i s i b l e d a m a g e < 5 0 m w l o a d l i f e ( e n d u r a n c e ) j i s c 5 2 0 1 - 1 : 1 9 9 8 c l a u s e 4 . 2 5 1 0 0 0 + 4 8 / - 0 h o u r s ; l o a d e d w i t h p n o r v m a x ; 1 . 5 h o u r s o n , 0 . 5 h o u r s o f f i n a t e m p e r a t u r e c h a m b e r c o n t r o l l e d 7 0 2 c d r / r m a x . ( 1 % + 0 . 0 5 w ) f o r f t o l . d r / r m a x . ( 3 % + 0 . 0 5 w ) f o r j t o l . n o v i s i b l e d a m a g e < 5 0 m w b e n d i n g s t r e n g t h j i s c 5 2 0 1 - 1 : 1 9 9 8 c l a u s e 4 . 3 3 r e s i s t o r s m o u n t e d o n a 9 0 m m g l a s s e p o x y r e s i n p c b ( f r 4 ) , b e n d i n g o n c e 5 m m f o r 1 0 s e c d r / r m a x . ( 1 % + 0 . 0 5 w ) f o r f t o l . d r / r m a x . ( 1 % + 0 . 0 5 w ) f o r j t o l . n o v i s i b l e d a m a g e < 5 0 m w a d h e s i o n j i s c 5 2 0 1 - 1 : 1 9 9 8 c l a u s e 4 . 3 2 p r e s s u r i z i n g f o r c e : 5 n , t e s t t i m e : 1 0 1 s e c . n o r e m a r k a b l e d a m a g e o r r e m o v a l o f t h e t e r m i n a t i o n s t h e r m a l s h o c k m i l - s t d - 2 0 2 g 1 0 7 g t e s t c o n d i t i o n f - 1 , - 6 5 ( + 0 / - 5 ) : f o r 1 5 m i n a n d + 1 5 5 ( + 3 / - 0 ) : f o r 1 5 m i n , 2 5 c y c l e s d r / r m a x . ( 0 . 5 % + 0 . 0 5 w ) f o r f t o l . d r / r m a x . ( 1 % + 0 . 0 5 w ) f o r j t o l . n o v i s i b l e d a m a g e < 5 0 m w l o w t e m p e r a t u r e o p e r a t i o n m i l - p r f - 5 5 3 4 2 h 3 . 1 1 - 6 5 ( + 0 / - 5 ) : f o r 1 h o u r , r c w v a p p l i e d f o r 4 5 m i n s d r / r m a x . ( 0 . 5 % + 0 . 0 5 w ) f o r f t o l . d r / r m a x . ( 1 % + 0 . 0 5 w ) f o r j t o l . n o v i s i b l e d a m a g e < 5 0 m w i n t e r m i t t e n t o v e r l o a d j i s c 5 2 0 2 c l a u s e 5 . 8 p e r m a n e n t r e s i s t a n c e c h a n g e a f t e r a 1 s e c o n d o n a n d 2 5 s e c o n d s o f f a p p l i c a t i o n o f a v o l t a g e 2 . 5 t i m e s r c w v o r t h e m a x i m u m o v e r l o a d v o l t a g e , w h i c h e v e r i s l e s s . t o t a l 1 0 , 0 0 0 c y c l e s . d r / r m a x . ( 1 % + 0 . 0 5 w ) f o r f t o l . d r / r m a x . ( 2 % + 0 . 0 5 w ) f o r j t o l . n o v i s i b l e d a m a g e < 5 0 m w m o i s t u r e r e s i s t a n c e h e a t m i l - s t d - 2 0 2 g 1 0 6 g t = 2 4 h o u r s / c y c l e , 4 2 c o n t i n u o u s c y c l e s , t o t a l 1 0 0 0 h o u r s d r / r m a x . ( 0 . 5 % + 0 . 0 5 w ) f o r f t o l . d r / r m a x . ( 2 % + 0 . 0 5 w ) f o r j t o l . n o v i s i b l e d a m a g e < 5 0 m w t e s t c o n d i t i o n f o r j u m p e r ( 0 w w w w ) i t e m w r 1 2 w r 0 8 w r 0 6 w r 0 4 p o w e r r a t i n g a t 7 0 c 1 / 4 w 1 / 8 w 1 / 1 0 w 1 / 1 6 w r e s i s t a n c e m a x . 5 0 m w http://www..net/ datasheet pdf - http://www..net/
w a l s i n t e c h n o l o g y c o r p o r a t i o n p a g e 9 o f 1 0 w r 1 2 / w r 0 8 / w r 0 6 / w r 0 4 v e r s i o n 1 f e b . - 2 0 0 8 r a t e d c u r r e n t 2 a 2 a 1 a 1 a p e a k c u r r e n t 1 0 a 5 a 3 a 2 a o p e r a t i n g t e m p e r a t u r e - 5 5 ~ 1 2 5 c p a c k a g i n g p a p e r t a p e s p e c i f i c a t i o n s ( u n i t : m m ) s e r i e s n o . a b w f e w r 1 2 3 . 6 0 0 . 2 0 2 . 0 0 0 . 2 0 w r 0 8 2 . 4 0 0 . 2 0 1 . 6 5 0 . 2 0 w r 0 6 1 . 9 0 0 . 2 0 1 . 1 0 0 . 2 0 w r 0 4 1 . 2 0 0 . 1 0 0 . 7 0 0 . 1 0 8 . 0 0 0 . 3 0 3 . 5 0 0 . 2 0 1 . 7 5 0 . 1 0 s e r i e s n o . p 1 p 0 f d t w r 1 2 / w r 0 8 m a x . 1 . 0 w r 0 6 4 . 0 0 0 . 1 0 0 . 6 5 0 . 0 5 w r 0 4 2 . 0 0 0 . 1 0 4 . 0 0 0 . 1 0 1 . 0 0 . 0 5 0 . 1 +- f 0 . 4 0 0 . 0 5 7 r e e l d i m e n s i o n s http://www..net/ datasheet pdf - http://www..net/
w a l s i n t e c h n o l o g y c o r p o r a t i o n p a g e 1 0 o f 1 0 w r 1 2 / w r 0 8 / w r 0 6 / w r 0 4 v e r s i o n 1 f e b . - 2 0 0 8 s y m b o l a b c d ( u n i t : m m ) f 1 7 8 . 0 2 . 0 f 6 0 . 0 1 . 0 1 3 . 0 0 . 2 9 . 0 0 . 5 http://www..net/ datasheet pdf - http://www..net/

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