ST BAT47, BAT48 User Manual
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BAT47 |
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BAT48 |
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SMALL SIGNAL SCHOTTKY DIODE |
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DESCRIPTION |
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General purpose, metal to silicon diodes featuring |
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very low turn-on voltage and fast switching.These |
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devices have integrated protection against exces- |
DO-35 |
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sive voltage such as electrostatic discharges. |
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ABSOLUTE RATINGS (limiting values)
Symbol |
Parameter |
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BAT47 |
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BAT48 |
Unit |
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VRRM |
Repetitive Peak Reverse Voltage |
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20 |
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40 |
V |
IF |
Forward Continuous Current* |
Ta = 25°C |
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350 |
mA |
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IFRM |
Repetitive Peak Fordward Current* |
tp ≤ 1s |
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1 |
A |
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δ ≤ 0.5 |
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IFSM |
Surge non Repetitive Forward Current* |
tp = 10ms |
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7.5 |
A |
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tp = 1s |
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1.5 |
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Ptot |
Power Dissipation* |
Ta = 25°C |
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330 |
mW |
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Tstg |
Storage and Junction Temperature Range |
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- 65 to + 150 |
°C |
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Tj |
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- 65 to + 125 |
°C |
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TL |
Maximum Temperature for Soldering during 10s at 4mm from |
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230 |
°C |
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Case |
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THERMAL RESISTANCE
Symbol |
Test Conditions |
Value |
Unit |
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Rth(j-l) |
Junction-ambient* |
300 |
°C/W |
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* On infinite heatsink with 4mm lead length
October 2001 - Ed: 1B |
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BAT47 / BAT48
ELECTRICAL CHARACTERISTICS
STATIC CHARACTERISTICS
Symbol |
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Test Conditions |
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Min. |
Typ. |
Max. |
Unit |
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V(BR) |
IR = 10μA |
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BAT47 |
20 |
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V |
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IR = 25μA |
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BAT48 |
40 |
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VF* |
Tj = 25°C |
I F = 0.1mA |
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All Types |
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0.25 |
V |
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Tj = 25°C |
IF = 1mA |
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0.3 |
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Tj = 25°C |
IF = 10mA |
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0.4 |
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Tj = 25°C |
IF = 30mA |
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BAT47 |
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0.5 |
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Tj = 25°C |
IF = 150mA |
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0.8 |
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Tj = 25°C |
IF = 300mA |
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1 |
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Tj = 25°C |
IF = 50mA |
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BAT48 |
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0.5 |
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Tj = 25°C |
IF = 200mA |
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0.75 |
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Tj = 25°C |
IF = 500mA |
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0.9 |
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IR* |
Tj = 25°C |
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V R = 1.5V |
All Types |
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1 |
μA |
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Tj = 60°C |
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10 |
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Tj = 25°C |
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VR = 10V |
BAT47 |
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4 |
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Tj = 60°C |
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20 |
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Tj = 25°C |
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VR = 20V |
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10 |
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Tj = 60°C |
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30 |
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Tj = 25°C |
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VR = 10V |
BAT48 |
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2 |
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Tj = 60°C |
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15 |
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Tj = 25°C |
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VR = 20V |
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5 |
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Tj = 60°C |
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25 |
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Tj = 25°C |
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VR = 40V |
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25 |
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Tj = 60°C |
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50 |
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DYNAMIC CHARACTERISTICS
Symbol |
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Test Conditions |
Min. |
Typ. |
Max. |
Unit |
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C |
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Tj = 25°C V R = 0V |
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f = 1MHz |
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20 |
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pF |
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Tj = 25°C VR = 1V |
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12 |
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* Pulse test: |
tp ≤ 300μs δ < 2%. |
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