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