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BAR46 BAR46A
SMALL SIGNAL SCHOTTKY DIODES
FEATURES AND BENEFITS VERY SMALL CONDUCTION LOSSES NEGLIGIBLE SWITCHING LOSSES LOW FORWARD VOLTAGE DROP SURFACE MOUNT DEVICE
K N.C. A
A K1
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 VRRM IF Ptot Tstg Tj TL Parameter Repetitive peak reverse voltage Continuous forward current Power dissipation (note 1) Maximum storage temperature range Maximum operating junction temperature * Maximum temperature for soldering during 10s Tamb = 25C Value 100 150 230 - 65 to +150 150 260 Unit V mA mW C C 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) Junction-ambient * Parameter Value 500 Unit C/W
* Mounted on epoxy board, with recommended pad layout.
June 1999 - Ed: 2A
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BAR46 /BAR46A
ELECTRICAL CHARACTERISTICS STATIC CHARACTERISTICS Symbol VBR VF * Tj = 25 C Tj = 25 C Tj = 25 C Tj = 25 C IR** Tj = 25 C Tj = 60 C Tj = 25 C Tj = 60 C Tj = 25 C Tj = 60 C Tj = 25 C Tj = 60 C
Pulse test : * tp = 380s < 2% ** tp = 5 ms, < 2%
Test conditions IR = 100 A IF = 0.1 mA IF = 10 mA IF = 250 mA VR = 1.5 V VR = 10 V VR = 50 V VR = 75 V
Min. 100
Typ.
Max. 0.25 0.45 1 0.5 5 0.8 7.5 2 15 5 20
Unit V V
A
DYNAMIC CHARACTERISTICS Symbol C Tj = 25 C Tj = 25 C Test conditions VR = 0 V VR = 1 V F = 1MHz Min. Typ. 10 6 Max. Unit pF
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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).
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BAR46 /BAR46A
Fig. 5: Capacitance C versus reverse applied voltage VR (typical values).
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BAR46 / BAR46A
PACKAGE MECHANICAL DATA SOT 23 (Plastic)
E A
DIMENSIONS REF. Millimeters Min. Max. 1.4 0.1 0.51 0.18 3.04 1.05 2.1 1.6 2.75 0.65 0.89 0 0.3 0.085 2.75 0.85 1.7 1.2 2.1 0.35 Inches Min. 0.035 0 0.012 0.003 0.108 0.033 0.067 0.047 0.083 0.014 Max. 0.055 0.004 0.02 0.007 0.12 0.041 0.083 0.063 0.108 0.026
e B e1 D
A A1 B
S A1
c D e e1 E H L S
L
H
c
0.6 typ.
0.024 typ.
FOOT PRINT DIMENSIONS (Millimeter)
0.9 0.035 0.9 0.035 1.1 0.043 2.35 0.92 1.9 0.075 1.45 0.037 mm inch 0.9 0.035
Ordering type BAR46 BAR46A
Marking S46 A46
1.1 0.043
Package SOT-23 SOT-23
Weight 0.01g 0.01g
Base qty 3000 3000
Delivery mode Tape & reel 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 (c) 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

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