BAT47

BAT47 BAT48 ® SMALL SIGNAL SCHOTTKY DIODE DESCRIPTION General purpose, metal to silicon diodes featuring very low turn-on voltage and fast switching.These devices have integrated protection against excessive voltage such as electrostatic discharges. DO-35 ABSOLUTE RATINGS (limiting values) Symbol VRRM Parameter BAT47 Repetitive Peak Reverse Voltage 20 Forward Continuous Current* Ta = 25°C IFRM Repetitive Peak Fordward Current* tp ≤ 1s δ ≤ 0.5 IFSM Surge non Repetitive Forward Current* IF BAT48 40 Unit V 350 mA 1 A A tp = 10ms 7.5 tp = 1s 1.5 Ta = 25°C 330 mW - 65 to + 150 - 65 to + 125 °C °C 230 °C Value Unit 300 °C/W Ptot Power Dissipation* Tstg Tj Storage and Junction Temperature Range TL Maximum Temperature for Soldering during 10s at 4mm from Case THERMAL RESISTANCE Symbol Rth(j-l) Test Conditions Junction-ambient* * On infinite heatsink with 4mm lead length October 2001 - Ed: 1B 1/5 BAT47 / BAT48 ELECTRICAL CHARACTERISTICS STATIC CHARACTERISTICS Symbol V(BR) VF* Test Conditions IR = 10µA BAT47 20 IR = 25µA BAT48 40 Tj = 25°C IF = 0.1mA All Types Typ. Max. 0.25 Tj = 25°C IF = 1mA Tj = 25°C IF = 10mA 0.4 BAT47 0.8 Tj = 25°C IF = 300mA 1 BAT48 0.5 Tj = 25°C IF = 200mA 0.75 Tj = 25°C IF = 500mA 0.9 Tj = 25°C VR = 1.5V All Types 1 VR = 10V BAT47 4 20 Tj = 60°C Tj = 25°C VR = 20V 10 30 Tj = 60°C Tj = 25°C VR = 10V BAT48 2 15 Tj = 60°C Tj = 25°C VR = 20V 5 25 Tj = 60°C Tj = 25°C µA 10 Tj = 60°C Tj = 25°C V 0.5 Tj = 25°C IF = 150mA Tj = 25°C IF = 50mA Unit V 0.3 Tj = 25°C IF = 30mA IR* Min. VR = 40V 25 50 Tj = 60°C DYNAMIC CHARACTERISTICS Symbol C Test Conditions Tj = 25°C VR = 0V Tj = 25°C VR = 1V * Pulse test: tp ≤ 300µs δ < 2%. 2/5 f = 1MHz Min. Typ. 20 12 Max. Unit pF BAT47 / BAT48 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. Fig. 4: Reverse current versus continuous reverse voltage (typical values). 3/5 BAT47 / BAT48 Fig. 5: Capacitance C versus reverse applied voltage VR (typical values). BAT47 / BAT48 PACKAGE MECHANICAL DATA DO-35 REF. C O /D A C DIMENSIONS Millimeters O / B Inches Min. Max. Min. Max. A 3.05 4.50 0.120 0.177 B 1.53 2.00 0.060 0.079 C 28.00 D 0.458 O /D 1.102 0.558 0.018 0.022 Cooling method: by convection and conduction. Marking: clear, ring at cathode end. Weight: 0.015g 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 © 2001 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