Document
®
BAT46J / BAT46W BAT46AW /BAT46CW / BAT46SW
SMALL SIGNAL SCHOTTKY DIODE
FEATURES AND BENEFITS VERY SMALL CONDUCTION LOSSES NEGLIGIBLE SWITCHING LOSSES LOW FORWARD VOLTAGE DROP SURFACE MOUNT DEVICE
K NC
K
K1 A K1 K2
A
A
A
K2
BAT46W
A1
BAT46AW
K1 A1 K2 A1 K2
DESCRIPTION High voltage schottky rectifier suited for SLIC protection during the card insertion operation.
K A1 A2
K
K1 A2
A2
A2
BAT46CW SOT-323
BAT46SW
A
46
K
BAT46J SOD-323 ABSOLUTE RATINGS (limiting values) Symbol VRRM IF Ptot Tstg Tj TL Continuous forward current Power dissipation (note 1) Tamb = 25°C Maximum storage temperature range Maximum operating junction temperature * Maximum temperaturefor soldering during 10s SOD-323 SOT-323 - 65 to +150 150 260 °C °C °C Parameter Repetitive peak reverse voltage Value 100 150 230 Unit V mA mW
Note 1: for double diodes, Ptot is the total dissipation of the both diodes.
* :
1 dPtot < thermal runaway condition for a diode on its own heatsink Rth(j−a) dTj
1/5
June 1999 - Ed: 2A
BAT46J / BAT46W / BAT46AW / BAT46CW / BAT46SW
THERMAL RESISTANCE Symbol Rth (j-a) Junction to ambient (*) Parameters SOD-323 SOT-323 Value 550 Unit °C/W °C/W
(*) Mounted on epoxy board, with recommended pad layout.
STATIC ELECTRICAL CHARACTERISTICS Symbol VBR VF * Tj = 25 °C Tj = 25 °C Tj = 25 °C IR** Tj = 25 °C 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 = 380µs δ < 2% ** tp = 5ms, δ < 2%
Test conditions IR = 100 µA 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
µA
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
2/5
BAT46J / BAT46W / BAT46AW / BAT46CW / BAT46SW
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
BAT46J / BAT46W / BAT46AW / BAT46CW / BAT46SW
Fig. 5: Capacitance C versus reverse applied voltage VR (typical values).
PACKAGE MECHANICAL DATA SOT-323 DIMENSIONS
A
REF.
Millimeters 0.8 0.0 0.25 0.1 1.8 1.15 1.8 0.1 0 2.0 1.25 0.65 2.1 0.2 2.4 0.3 30° 1.1 0.1 0.4 2.2 0.031 0.0 0.010
Inches 0.043 0.004 0.016 0.010
Min. Typ. Max. Min. Typ. Max.
A1 D
A A1 b c
b
0.26 0.004
D E e H
0.071 0.079 0.086 0.026 0.071 0.083 0.094 0.004 0.008 0.012 0 30°
L
1.35 0.045 0.049 0.053
H
E
θ
c
L θ
e
4/5
BAT46J / BAT46W / BAT46AW / BAT46CW / BAT46SW
PACKAGE MECHANICAL DATA SOD-323 DIMENSIONS REF. Millimeters Min.
E
H b
A1
Inches Min. 0 0.01 0.004 0.06 0.044 0.09 0.004 0.004 Max. 0.046 0.004 0.017 0.01 0.071 0.057 0.106 0.02 0.016
Max. 1.17 0.1 0.44 0.25 1.8 1.45 2.7 0.46 0.41
A A1
D A
0 0.25 0.1 1.52 1.11 2.3 0.1 0.1
b c D
c
Q1
E H L Q1
L
Or.