PA847C04
(40A)
(45V / 40A )
Features
Low V
F
Optimized for 3.3V
5V output application
Center tap connection
Applications
High frequency operation
DC-DC converters
AC adapter
Maximum ratings and characteristics
Absolute maximum ratings
Item
Repetitive peak surge reverse voltage
Repetitive peak reverse voltage
Average output current
Non-repetitive surge current
Operating junction temperature
Storage temperature
Symbol
V
RSM
V
RRM
I
o
I
FSM
T
j
T
stg
Conditions
Sine wave
10ms, 1shot
-40 to +150
Unit
V
V
A
A
C
C
Electrical characteristics (Tc=25C Unless otherwise specified )
Item
Forward voltage drop
Reverse current
Symbol
V
F
I
R
Conditions
I
FM
=16A
V
R
=V
RRM
Max.
0.55
8.0
Unit
V
mA
Square wave, duty=
1/2
Tc=102C
Rating
45
45
40
250
+150
Schottky barrier diode
Outline drawings, mm
Connection diagram
Electrical characteristics (Tc=25C Unless otherwise specified )
Major characteristics
Item
Thermal resistance
Symbol
Rth(j-c)
Condition
Junction to case
Max.
1.2
Unit
C/W
*
Average output current at centertap full wave connection
15.5
Max.
3.2
0.1
5.45
5.45
1.1
1.6
3.0
0.2
5.0
0.1
13.0
10.0
19.5
0.2
4.5
0.2
2.0
1.6
2.2
15
0.2
1.5
14.5
0.2
0.5
1.5
7.2
0.1
1
2
3
Package : TO-3P
Characteristics
PA847C04
Units Condition
V
RRM
45
V
V
F
0.38
V
Tj=125C, typ
I
O
40
A
tw=500ns, duty=1/40
*
1
3
2
PA847C04 (40A)
Characteristics
(45V / 40A )
0.1
1
10
100
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
Tj=150C
Tj=25C
Tj=100C
Tj=125C
Forward Characteristic (typ.)
IF Forward Current (A)
VF Forward Voltage (V)
0
10
20
30
40
50
10
-2
10
-1
10
0
10
1
10
2
10
3
Tj=150C
Reverse Characteristic (typ.)
Tj= 25C
Tj=100C
Tj=125C
IR Reverse Current (mA)
VR Reverse Voltage (V)
0
5
10
15
20
25
0
5
10
15
20
25
30
Square wave
=180
Sine wave
=180
Square wave
=120
Per 1element
DC
Square wave
=60
Forward Power Dissipation
WF Forward Power Dissipation (W)
Io Average Forward Current (A)
360
Io
0
5
10
15
20
25
30
35
40
45
50
0
5
10
15
20
25
30
35
40
45
Reverse Power Dissipation
=180
DC
PR Reverse Power Dissipation (W)
VR Reverse Voltage (V)
360
V
R
0
10
20
30
40
50
60
50
60
70
80
90
100
110
120
130
140
150
160
Square wave
=60
Square wave
=120
Sine wave
=180
Square wave
=180
:Conduction angle of forward current for each rectifier element
Io:Output current of center-tap full wave connection
DC
Current Derating (Io-Tc)
Tc Case Temperature (C)
Io Average Output Current (A)
VR=30V
360
Io
10
100
100
1000
10000
Junction Capacitance Characteristic (typ.)
Cj Junction Capacitance (pF)
VR Reverse Voltage (V)
PA847C04 (40A)
(45V / 40A )
1
10
100
10
100
1000
Surge Capability
IFSM Peak Half - Wave Current (A)
Number of Cycles at 50Hz
10
-3
10
-2
10
-1
10
0
10
1
10
2
10
-2
10
-1
10
0
10
1
Transient Thermal Impedance
Transient Thermal Impedance (C/W)
t Time (sec)
PDF 
ZIP