DATA SHEET BAT54W/AW/CW/SW SURFACE MOUNT SCHOTTKY BARRIER VOLTAGE 30 Volts CURRENT 0.2 Ampers SOT-323 Unit: inch (mm) FEATURES .087(2.2) .070(1.8) • PN Junction Guard Ring for Transient and ESD Protection. .054(1.35) .045(1.15) • Both normal and Pb free product are available : .087(2.2) .078(2.0) • Fast switching .004(.10)MIN. • Low turn-on voltage Normal : 80~95% Sn, 5~20% Pb Pb free: 98.5% Sn above .006(.15) .002(.05) .056(1.40) .047(1.20) MECHANICAL DATA Case: SOT-323, Plastic Terminals: Solderable per MIL-STD-202, Method 208 .016(.40) .078(.20) .044(1.1) .035(0.9) .004(.10)MAX. Approx. Weight: 0.0052 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25OC ambient temperature unless otherwise specified. For capacitive load, derate current by 20%. P a ra m e te r S ym b o l M a rking co d e B A T54W B A T54A W B A T54C W B A T54S W L4 L42 L43 L44 U nits V RRM 30 V IO 0 .2 A P e a k F o rw a rd S urg e C urre nt, 1 .0 s (JE D E C m e tho d ) IF S M 0 .6 A M a xim um Insta nta ne o us F o rw a rd V o lta g e @ IF = 1 m A @ IF = 1 0 0 m A VF 0 .3 2 1 .0 V M a xim um D C R e ve rse C urre nt a t R a te d D C B lo cking V o lta g e @ V R = 2 5 V IR 2 .0 uA Junctio n C a p a cita nce :a t V R = 1 V Cj 10 pF T he rm a l R e sista nce , Junctio n to A m b ie nt R θ JA 635 O p e ra ting Junctio n a nd S to ra g e Te m p e ra ture R a ng e T J, T S TG -5 5 T O + 1 2 5 P e a k R e p e titive R e ve rse V o lta g e M a xim um A ve ra g e F o rw a rd C urre nt a t Ta = 7 5 O C C ircuit F ig ure S ing le SINGLE STAD-AUG.10.2004 C om m on A no d e COMMON ANODE O C om m on C a tho d e COMMON CATHODE C /W O C S e rie s SERIES PAGE . 1 1000 1000 T A =125 O C 100 REVERSE CURRENT, u A FORWARD CURRENT, mA T A =85 OC 10 O T A =125 C 1.0 100 T A =85 O C 10 1.0 T A =25 O C O T A =25 C 0.1 0.1 0 0.4 0.8 1.2 0 10 20 30 REVERSE VOLTAGE, Volts FORWARD VOLTAGE, Volts FIG. 1-TYPICAL FORWARD CHARACTERISTIC FIG. 2-TYPICAL REVERSE CHARACTERISTICS 400 AVERAGE FORWARD CURRENT, mA JUNCTION CAPACITANCE, pF 15 10 5 0 0 10 20 30 REVERSE VOLTAGE, Volts FIG. 3 TYPICAL JUNCTION CAPACITANCE STAD-AUG.10.2004 300 200 100 0 50 100 150 200 O AMBIENT TEMPERATURE( C) FIG. 4 FORWARD CURRENT DERATING PAGE . 2