ce eh66 rev 1.0 ( 25 jul . 201 6 ) www.sumida.com page 1 of 1 outline ? p ulse transformer for a utomo biles. ? f o r b m s l o w v o l t a g e ( l e s s t h a n 1 0 0 v o f w o r k i n g v o l t a g e ) application ? battery management system of automobiles features ? smd type and 6.5 mm square. ? high withstand voltage 85 0vrms ? operating temperature - 40 deg. ~ +125 deg. specifications dimension ( mm ) connection land patterns ( mm ) item specification testing condition c eeh66 part name da1522 - 306 (ceeh66 - 620) da1522 - 307 da1522 - 308 inductance (1 - 3 ) min. 37 h min. 53 h min. 72 u h 10 khz, 20mv stray capacitance (1 - 3 ) max. 3.6 pf max. 3.9 pf max .5.2 pf 20 m hz, 20mv interwinding capacitance (1~ 3 - 4 ~ 6 ) max. 2.3 pf max.2. 3 pf max.2. 3 pf 10 0 khz, 20mv leakage inductance (1 - 3 ) max. 2.3 h max. 3.2 h max. 4.4 h 10 0 khz, 20mv d.c.r. (1 - 3 ) max. 0.43 ohm max. 0.51 ohm max. 0.59 ohm at 20 deg. withstand voltage (1~ 3 - 4 ~ 6 ) ac 85 0v / dc1,200 , 60sec 0.5ma, 50hz/60hz turn ratio (1~ 3 - 4 ~ 6 ) 1 1 - bottom view
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