BAR46
BAR46A
June 1999 - Ed: 2A
SMALL SIGNAL SCHOTTKY DIODES
SOT-23
(Plastic)
High voltage Schottky rectifier suited for SLIC pro-
tection during the card insertion operation.
DESCRIPTION
Symbol
Parameter
Value
Unit
V
RRM
Repetitive peak reverse voltage
100
V
I
F
Continuous forward current
150
mA
P
tot
Power dissipation (note 1)
Tamb = 25
C
230
mW
T
stg
Maximum storage temperature range
- 65 to +150
C
Tj
Maximum operating junction temperature *
150
C
T
L
Maximum temperature for soldering during 10s
260
C
Note 1: for double diodes, Ptot is the total dissipation of both diodes.
ABSOLUTE RATINGS(limiting values)
Symbol
Parameter
Value
Unit
Rth(j-a)
Junction-ambient *
500
C/W
* Mounted on epoxy board, with recommended pad layout.
THERMAL RESISTANCE
K
N.C.
A
A
K1
K2
BAR46
BAR46A
* :
dPtot
dTj
<
1
Rth
(
j
-
a
)
thermal runaway condition for a diode on its own heatsink
VERY SMALL CONDUCTION LOSSES
NEGLIGIBLE SWITCHING LOSSES
LOW FORWARD VOLTAGE DROP
SURFACE MOUNT DEVICE
FEATURES AND BENEFITS
1/5
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).
BAR46 / BAR46A
3/5
PACKAGE MECHANICAL DATA
SOT 23 (Plastic)
B
E
S
e
e1
A
D
c
L
H
A1
REF.
DIMENSIONS
Millimeters
Inches
Min.
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
0.6 typ.
0.024 typ.
S
0.35
0.65
0.014
0.026
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 ap-
proval of STMicroelectronics.
The ST logo is a registered trademark of STMicroelectronics
1999 STMicroelectronics - Printed in Italy - All rights reserved.
STMicroelectronics GROUP OF COMPANIES
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http://www.st.com
FOOT PRINT DIMENSIONS (Millimeter)
0.9
0.035
0.9
0.035
1.9
0.075
mm
inch
2.35
0.92
1.1
0.043
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
BAR46 / BAR46A
5/5
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