1SS404 2004-05-28 1 toshiba diode silicon epitaxial schottky barrier type 1SS404 high speed switching applications ? two-pin small packages are suitable for higher mounting densities ? low forward voltage : v f (3) = 0.38 v (typ.) ? low reverse current: i r = 50 a (max) ? small total capacitance: c t = 46 pf (typ.) maximum ratings (ta = 25c) characteristics symbol rating unit maximum (peak) reverse voltage v rm 25 v reverse voltage v r 20 v maximum (peak) forward current i fm 700 ma average forward current i o 300 ma power dissipation p 200 (note) mw junction temperature t j 125 c storage temperature range t stg ? 55 ~ 125 c operating temperature range t opr ? 40 ~ 100 c note: mounted on a glass epoxy board of 20 mm 20 mm, pad dimension 4 mm 4 mm. marking equivalent circuit (top view) electrical characteristics (ta = 25c) characteristics symbol test condition min typ. max unit v f (1) i f = 1 ma ? 0.16 ? v f (2) i f = 10 ma ? 0.22 ? forward voltage v f (3) i f = 300 ma ? 0.38 0.45 v reverse current i r v r = 20 v ? ? 50 a total capacitance c t v r = 0, f = 1 mhz ? 46 ? pf unit: mm usc jedec D jeita D toshiba 1-1e1a weight: 0.004 g (typ.) s 5
1SS404 2004-05-28 2 forward voltage v f (v) i f ? v f forward current i f (a) reverse current i r (a) reverse voltage v r (v) i r ? v r ambient temperature ta ( c ) p ? t a power dissipation p (mw) reverse voltage v r (v) c t ? v r total capacitance c t (pf) 0 0.1 0.5 0.4 0.3 0.2 10 = 100c 75c 50c 25c ? 25c 0c 0 1 12 24 16 8 4 10 n 20 100 n 10 1 m 10 m 100 ta = 100c 75c 50c 25c ? 25c 0c 0.01 1 100 30 10 300 1 0.03 0.3 3 10 100 1000 30 0.1 3 f = 1 mhz ta = 25c 140 0 40 75 150 100 50 25 0 125 100 80 60 20 120 mounted on a glass epoxy circuit board of 20 x 20mm, pad dimension 4 x 4mm.
1SS404 2004-05-28 3 ? the information contained herein is subject to change without notice. ? the information contained herein is presented only as a guide for the applications of our products. no responsibility is assumed by toshiba for any infringements of patents or other rights of the third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of toshiba or others. ? toshiba is continually working to improve the quality an d reliability of its products. nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. it is the responsibility of the buyer, when utilizing toshiba products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such toshiba products could cause loss of human life, bodily injury or damage to property. in developing your designs, please ensure that toshiba products are used within specified operating ranges as set forth in the most recent toshiba products specifications. also, please keep in mind the precautions and conditions set forth in the ?handling guide for semiconductor devices,? or ?toshiba semiconductor reliability handbook? etc.. ? the toshiba products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). these toshiba products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfuncti on or failure of which may cause loss of human life or bodily injury (?unintended usage?). unintended usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. unintended usage of toshiba products listed in this document shall be made at the customer?s own risk. ? toshiba products should not be embedded to the downstream products which are prohibited to be produced and sold, under any law and regulations. 030619eaa restrictions on product use
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