MECHANICAL DATA
FEATURES
Data Sheet No. SBDT-4000-1B
MECHANICAL SPECIFICATION
40 AMP SCHOTTKY BARRIER RECTIFIERS
Case: TO-247 (TO-3P) molded epoxy (U/L Flammability
Rating 94V-0)
Terminals: Rectangular pins w/ standoff
Solderability: Per MIL-STD 202 Method 208 guaranteed
Polarity: Diode depicted on product
Mounting Position: Any
Weight: 0.20 Ounces (5.5 Grams)
B9
Low switching noise
Low forward voltage drop
Low thermal resistance
High switching capability
High surge capability
High reliability
0.087
0.075
0.045
0.022
0.079
0.116
0.776
0.209
0.146
A
A1
A2
B
B1
B2
B3
B4
C
D
D1
L
L1
Sym
in
mm
0.19
4.82
2.21
1.9
1.14
0.56
2.01
2.95
0.602 15.29
19.7
5.31
0.559 14.2
3.71
0.102
0.085
0.055
0.032
0.094
0.215
0.799
0.224
0.189
in
mm
0.205
5.2
2.6
2.16
1.4
0.81
2.39
5.46
0.625
15.88
20.3
5.69
0.582
14.8
4.8
0.13
fP
RO 0.209
5.3
3.3
0.145
0.224
5.7
3.7
Minimum
Maximum
0.126
3.2
Average Forward Rectified Current @ T = 85 C)
C
o
Peak Forward Surge Current ( 8.3mS single half sine wave
superimposed on rated load)
Maximum Forward Voltage Drop (per diode) at 20 Amps
I
O
VOLTS
AMPS
V
FM
I
FSM
40
0.6
0.7
0.92
Typical Thermal Resistance, Junction to Case (on heat sink)
Maximum Average DC Reverse Current
At Rated DC Blocking Voltage
I
RM
R
qJC
C/W
mA
@ T = 25 C
J
o
@ T = 125 C
J
o
2.0
2.0
100
50
1.2
T
J
T
STG
C
Junction Operating Temperature Range
Storage Temperature Range
-65 to +150
-65 to +175
200
ACTUAL SIZE OF TO-247AB
(TO-3PAB) PACKAGE
A2
L
A1
B
B1
B2*
B3
B4
B4
D
L1
RO
A
D1
fP
C
*Applies to Pins 1 and 3
1
3
2
2
DT 5G
SK4060C
DT 5G
SK4060C
TO-247AB (TO-3PAB)
SERIES SK4040C - SK40100C
MAXIMUM RATINGS & ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive loads, derate current by 20%.
PARAMETER (TEST CONDITIONS)
Maximum DC Blocking Voltage
Maximum Peak Recurrent Reverse Voltage
Maximum RMS Voltage
Series Number
V
RMS
V
RRM
V
RM
SYMBOL
4050C
4040C
RATINGS
UNITS
VOLTS
4060C
4070C
40100C
40
50
60
70
100
SK
SK
SK
SK
SK
Tel.: (310) 767-1052
Fax: (310) 767-7958
DIOTEC ELECTRONICS CORP.
Gardena, CA 90248
U.S.A
18020 Hobart Blvd., Unit B
RATING & CHARACTERISTIC CURVES FOR SK4040C - SK40100C SERIES
Data Sheet No. SBDT-4000-2B
FIGURE 4. TYPICAL REVERSE CHARACTERISTICS
FIGURE 3. TYPICAL FORWARD CHARACTERISTICS
Instantaneous Forward Voltage (Volts)
Inst
ant
aneous
Forward
Current
Amperes
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0.1
1.0
10
100
Inst
ant
aneous
Reverse
Current,
I
R
(Milliamperes)
Percent of Rated Peak Reverse Voltage
0
40
0.01
0.1
1.0
.1
10
100
30
10
20
40
50
0
0
50
100
150
FIGURE 1. FORWARD CURRENT DERATING CURVE
Case Temperature, C
o
A
verage
Forward
Current,
Io
(Amperes)
FIGURE 2. MAXIMUM NON-REPETITIVE SURGE CURRENT
Number of Cycles at 60 Hz
Peak
Forward
Surge
Current
(Amperes)
1
10
100
300
240
180
120
60
0
40 AMP SCHOTTKY BARRIER RECTIFIERS
4.97bsbdt40
100
120
140
B10
T = 125 C
J
o
T = 150 C
J
o
T = 25 C
J
o
20
60
80
T = 75 C
J
o
T = 125 C
J
o
T = 25 C
J
o
FIGURE 5. TYPICAL JUNCTION CAPACITANCE
Reverse Voltage, (Volts)
1
10
100
4000
1000
100
Junction
Cap
acit
ance,
C
(pF)
0.1
18
6
12
24
30
0
0
10
20
30
FIGURE 6. FORWARD POWER DISSIPATION
Average Forward Current, Amperes
A
verage
Forward
Power
Dissip
ated
(W
att
s)
JEDEC Method, 8.3 mSec.
Single Half Sine Wave
Tel.: (310) 767-1052
Fax: (310) 767-7958
DIOTEC ELECTRONICS CORP.
Gardena, CA 90248
U.S.A
18020 Hobart Blvd., Unit B
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