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. BSDB-4000-1B
40 AMP SILICON BRIDGE RECTIFIERS
FEATURES
MECHANICAL SPECIFICATION
SDB PACKAGE SHOWN ACTUAL SIZE
VOID FREE VACUUM DIE SOLDERING FOR MAXIMUM
MECHANICAL STRENGTH AND HEAT DISSIPATION
(Solder Voids: Typical < 2%, Max. < 10% of Die Area)
BUILT-IN STRESS RELIEF MECHANISM FOR
SUPERIOR RELIABILITY AND PERFORMANCE
INTEGRALLY MOLDED HEAT SINK PROVIDES VERY
LOW THERMAL RESISTANCE FOR MAXIMUM HEAT
TRANSFER
SPACE SAVING IN-LINE DESIGN FOR PRINTED
CIRCUIT BOARD APPLICATIONS
Through Hole
for #8 Screw
BW
BL
BL
-
AC
+
UL RECOGNIZED - FILE #E124962
RoHS COMPLIANT
HEAT
SINK
LM LL
LD
LO
LS LS LS
MECHANICAL DATA
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Case: Case: Molded epoxy with integral heat sink
Epoxy carries a U/L Flammability rating of 94V-0
Terminals: Round silver plated copper pins or fast-on terminals
Soldering: Per MIL-STD 202 Method 208 guaranteed
Polarity: Marked on side of case
Mounting Position: Any. Through hole for #8 screw.
Max. mounting torque = 20 in-lb.
Weight: 0.55 Ounces (16.0 Grams)
MAXIMUM RATINGS & ELECTRICAL CHARACTERISTICS
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PARAMETER (TEST CONDITIONS)
Series Number
SYMBOL
SDB
4000
50
35
50
SDB
4001
100
70
100
RATINGS
SDB
4002
200
140
200
SDB
4004
400
280
400
40
SDB
4006
600
420
600
SDB
4008
800
560
800
SDB
4010
1000
700
1000
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Junction Operating and Storage Temperature Range
T T
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Typical Thermal Resistance, Junction to Case
R
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Minimum Insulation Breakdown Voltage (Circuit to Case)
V
2500
1.1
-55 to +175
VOLTS
°C/W
°C
T
S
6R
X
W
Maximum Average DC Reverse Current
At Rated DC Blocking Voltage
I
ð
5ï
Forward Voltage (Per Diode) at 20 Amps DC
Max.
Typ.
@ T = 25 C
@ T = 125 C
V
U
V
ö õ
¢ô
Peak Forward Surge Current. Single 60Hz Half-Sine Wave
Superimposed on Rated Load (JEDEC Method). T = 175 C
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í
I
å
Average Forward Rectified Current @ T = 55 C
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66é
Maximum Peak Recurrent Reverse Voltage
ä
ã
V
è6æ
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Maximum RMS Voltage
V
ì
6ë
Maximum DC Blocking Voltage
V
I
600
1.10
1.02
1
50
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UNITS
VOLTS
AMPS
VOLTS
A
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. BSDB-4000-2B
40 AMP SILICON BRIDGE RECTIFIERS
RATING & CHARACTERISTIC CURVES FOR SDB4000-4010 SERIES
Average Forward Current, Io
(Amperes)
40
Peak Forward Surge Current
(Amperes)
30
20
10
T = 175 C
Case Temperature, C
FIGURE 1. FORWARD CURRENT DERATING CURVE
Number of Cycles at 60 Hz
FIGURE 2. MAXIMUM NON-REPETITIVE SURGE CURRENT
A A
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9
¢8
7
U£VT
U
0
50
100
150
180
10
Instantaneous Forward Current
(Amperes)
Instantaneous Reverse Current, I
(Milcroamperes)
T = 125 C
1.0
10
0.1
1.0
T = 25 C
Instantaneous Forward Voltage (Volts)
FIGURE 3. TYPICAL FORWARD CHARACTERISTIC PER DIODE
Percent of Rated Peak Reverse Voltage
FIGURE 4. TYPICAL REVERSE CHARACTERISTICS
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0.1
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
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(
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T = 25 C
Pulse Width = 300 S
1% Duty Cycle
6
X
&
W
%
Q£Q1P
60Hz Resistive
or
Inductive Loads
G£G1F
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C£C£B
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Bridge Mounted on 8.4" x 4" x 4.6" Thick
(221.3cm x 10.2cm x 11.7cm) Finned Al. Plate
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4
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