spec. no. rsk-117 p.:1/4 date sep 12,2001 version first preliminary specification ?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@ product name ?@ : ?@ 2-electrode gdt ?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@ type ?@ : ?@ R28-900-bhl ?@ ?@ ?@ okaya electric industries co., ltd.
?p ?j ?x ?o ?o spec. no. rsk-117 p:2/4 date sep 12,2001 version first 1. scope ?@ this specification covers 2-electrode gdt (gas discharge tube) R28-900bhl. ?@?@?@?@?@?@?@?@?@ 2. type designation ?@?@?@ r28 - ?@ 900 - b h l type of wire l : with wire none: without wire length ?i 5.7 ?j type of taping ?@ a : with taping ?@ b : without taping (bulk) dc breakdown voltage(v) ?@ 900:90 ?~ 10 0 =90(v) the 1 st figures shows valid figures of voltage value, the 3 rd shows multiplier. series name 3. appearance structure ?@ 3-1 ?@ appearance scratches, rust, dirt that affect the use of the product in a damaging way are not allowed ?@ 3-2 ?@ dimension refer to drawing ?@ 4r-4219-y05 3-3 display and contents not easily to disappear, to be visible ?@?@?@?@ ?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@ ?@ ?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@ ?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@ ?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@?@ ?@ 3-4 ?@ materials ?@?@?@?@?@?@?@?@ ceramic, alloy of iron and nickle, cp wire, etc. ?@?| no radiactive substance is used in this product. ?@ okaya electric industries co., ltd. mon 1 2 3 4 5 6 7 8 9 10 11 12 sign a b d e f g h j k l m n fg.1 ?@ example of marking dc sparkover voltage manufacture month last figure of year ?@?@ e.g.) year 2001 ? 1 brand ?p ?j ?x ?o ?o
spec. no. rsk-117 p:3/4 date sep 12,2001 version first ?s?d electrical characteristics okaya electric industries co., ltd. spec. no. item test condition min. typ. max. units ?p dc sparkover voltage 100v/s ?@ 72 90 108 v 2 impulse sparkover voltage 100v/ m s - - 500 v 3 insulation resistance dc100v 10 10 - - w 4 capacitance 1mhz - - 2.0 pf dc sparkover voltage 63 90 117 v impulse sparkover voltage - - 800 v 5 impulse life test 10/1000 m s 200a 1000 times interval 60s insulation resistance 10 8 - - w dc sparkover voltage 63 90 135 v impulse sparkover voltage - - 800 v 6 alternating discharge current 7arms-1s ?~ 10times @ 50hz interval 30s insulation resistance 10 8 - - w dc sparkover voltage 63 90 135 v impulse sparkover voltage - - 800 v 7 impulse discharge current 8/20 m s 7.5ka 10 times interval 60s insulation resistance 10 8 - - w
spec. no. rsk-117 p ?f 4/4 date sep 12,2001 version first 5 ?d operating condition ?@?@?@ ?@?@ operating temperature ?@ ? 40 ?? to +90 ?? ?@?@ storage temperature ?@ ? 20 ?? to +100 ?? 6 ?d packing ?@?@ put 50pcs of r28 series and 1pc of product label in a vinyl bag of specified size, seal the bag with a stapler, put bags of quantity required into a box, pack and attach product label on the box. okaya electric industries co., ltd. t a p e l a b e l s t a p l e r p c s . o k a y a e l e c t r i c i n d u s t r i e s c o . , l t d l a b e l p a c k i n g q t ' y o / n o . l o t n o . t y p e n a m e p r o d u c t l a b e l p c s o k a y a e l e c t r i c i n d u s t r i e s c o . , l t d p r o d u c t l a b e l s u r g e a b s o r b e r t y p e q u a n t i t y l o t n o .
r e v . d a t a h i s t o r y o f r e v . d a t e s c a l e w e i g h t : a p p r o x . 2 g 1 . 0 8 0 . 2 5 2 5 m i n 2 5 m i n ?} 5 . 7 0 . 2 ?3 ?3 v e r . o k a y a e l e c t r i c i n d u s t r i e s c o . , l t d 4 p r o d u c t n a m e 2 - e l e c t r o d e g d t o u t l i n e d i m e n s i o n t y p e n a m e ( 8 . 0 5 . 7 ) ?3 ?~ ?} 2 : 1 4 r - 4 2 1 9 - y 0 5 d r a w i n g n o . s e p 1 2 , 2 0 0 1
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