BAR46 BAR46A SMALL SIGNAL SCHOTTKY DIODES FEATURES AND BENEFITS VERY SMALL CONDUCTION LOSSES NEGLIGIBLE SWITCHING LOSSES LOW FORWARD VOLTAGE DROP SURFACE MOUNT DEVICE K A K1 N.C. A K2 BAR46 BAR46A DESCRIPTION High voltage Schottky rectifier suited for SLIC protection during the card insertion operation. SOT-23 (Plastic) ABSOLUTE RATINGS(limiting values) Symbol Value Unit Repetitive peak reverse voltage 100 V IF Continuous forward current 150 mA Ptot Power dissipation (note 1) 230 mW Tstg Maximum storage temperature range - 65 to +150 °C VRRM Parameter Tamb = 25°C Tj Maximum operating junction temperature * 150 °C TL Maximum temperature for soldering during 10s 260 °C Note 1: for double diodes, Ptot is the total dissipation of both diodes. * : dPtot 1 < thermal runaway condition for a diode on its own heatsink dTj Rth(j−a) THERMAL RESISTANCE Symbol Rth(j-a) Parameter Junction-ambient * Value Unit 500 °C/W * Mounted on epoxy board, with recommended pad layout. June 1999 - Ed: 2A 1/5 BAR46 /BAR46A ELECTRICAL CHARACTERISTICS STATIC CHARACTERISTICS Symbol Test conditions Min. Typ. Max. VBR Tj = 25 °C IR = 100 µA VF * Tj = 25 °C IF = 0.1 mA 0.25 Tj = 25 °C Tj = 25 °C IF = 10 mA IF = 250 mA 0.45 1 Tj = 25 °C VR = 1.5 V 0.5 VR = 10 V 5 0.8 IR** Tj = 60 °C Tj = 25 °C 100 Unit V Tj = 60 °C V µA 7.5 Tj = 25 °C VR = 50 V 2 Tj = 60 °C 15 Tj = 25 °C Tj = 60 °C VR = 75 V 5 20 Pulse test : * tp = 380µs δ < 2% ** tp = 5 ms, δ < 2% DYNAMIC CHARACTERISTICS Symbol C 2/5 Test conditions Tj = 25 °C VR = 0 V Tj = 25 °C VR = 1 V Min. F = 1MHz Typ. 10 6 Max. Unit pF BAR46 / BAR46A Fig. 1: Forward current versus forward voltage at different temperatures (typical values). Fig. 2: Forward current versus forward voltage (typical values). Fig. 3: Reverse current versus junction temperature (typical values). Fig. 4: Reverse current versus continuous reverse voltage (typical values). 3/5 BAR46 /BAR46A Fig. 5: Capacitance C versus reverse applied voltage VR (typical values). 4/5 BAR46 / BAR46A PACKAGE MECHANICAL DATA SOT 23 (Plastic) A E DIMENSIONS REF. D B S A1 L H Max. Min. Max. A 0.89 1.4 0.035 0.055 A1 0 0.1 0 0.004 B 0.3 0.51 0.012 0.02 c 0.085 0.18 0.003 0.007 D 2.75 3.04 0.108 0.12 e 0.85 1.05 0.033 0.041 e1 1.7 2.1 0.067 0.083 E 1.2 1.6 0.047 0.063 H 2.1 2.75 0.083 0.108 L c Inches Min. e e1 Millimeters S 0.6 typ. 0.35 0.65 0.024 typ. 0.014 0.026 FOOT PRINT DIMENSIONS (Millimeter) 0.9 0.035 1.1 0.043 0.9 0.035 2.35 0.92 1.9 0.075 mm inch 1.1 0.043 1.45 0.037 0.9 0.035 Ordering type Marking Package Weight Base qty Delivery mode BAR46 S46 SOT-23 0.01g 3000 Tape & reel BAR46A A46 SOT-23 0.01g 3000 Tape & reel Epoxy meets UL94,V0 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics 1999 STMicroelectronics - Printed in Italy - All rights reserved. STMicroelectronics GROUP OF COMPANIES Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - U.S.A. http://www.st.com 5/5