DIOTEC ELECTRONICS CORP.
Data Sheet No. BSDB-4000-1B
18020 Hobart Blvd., Unit B
Gardena, CA 90248 U.S.A
Tel.: (310) 767-1052 Fax: (310) 767-7958
40 AMP SILICON BRIDGE RECTIFIERS
MECHANICAL SPECIFICATION
FEATURES
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)
Through Hole
for #8 Screw
BUILT-IN STRESS RELIEF MECHANISM FOR
SUPERIOR RELIABILITY AND PERFORMANCE
BW
BL
INTEGRALLY MOLDED HEAT SINK PROVIDES VERY
LOW THERMAL RESISTANCE FOR MAXIMUM HEAT
TRANSFER
BL
-
SPACE SAVING IN-LINE DESIGN FOR PRINTED
CIRCUIT BOARD APPLICATIONS
HEAT
SINK
UL RECOGNIZED - FILE #E124962
+
AC
LM LL
RoHS COMPLIANT
LS LS LS
LD
LO
MECHANICAL DATA
Ó0ÔÂÕ
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)
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MAXIMUM RATINGS & ELECTRICAL CHARACTERISTICS
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PARAMETER (TEST CONDITIONS)
RATINGS
SYMBOL
UNITS
Maximum DC Blocking Voltage
V ë$ì
SDB
4000
50
Maximum RMS Voltage
V æ$çè
35
70
140
280
420
560
700
Maximum Peak Recurrent Reverse Voltage
V é$é$ê
50
100
200
400
600
800
1000
Series Number
ã
ä
SDB
4001
100
SDB
4002
200
SDB
4004
400
SDB
4006
600
SDB
4008
800
SDB
4010
1000
VOLTS
Iå
40
I ôõö
600
V ï#ð
VOLTS
I 4$5
1.10
1.02
1
50
Minimum Insulation Breakdown Voltage (Circuit to Case)
V ñ ò&ó
2500
VOLTS
Typical Thermal Resistance, Junction to Case
R123
1.1
°C/W
-55 to +175
°CB
Average Forward Rectified Current @ T = 55 C
Peak Forward Surge Current. Single 60Hz Half-Sine Wave
í
î
Superimposed on Rated Load (JEDEC Method). T = 175 C
Forward Voltage (Per Diode) at 20 Amps DC
Maximum Average DC Reverse Current
At Rated DC Blocking Voltage
Junction Operating and Storage Temperature Range
Max.
Typ.
7
8
@ T = 25 C
9
:
@ T = 125 C
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T T
AMPS
6 A
C D EF D G H I
E47
DIOTEC ELECTRONICS CORP.
Data Sheet No. BSDB-4000-2B
18020 Hobart Blvd., Unit B
Gardena, CA 90248 U.S.A
Tel.: (310) 767-1052 Fax: (310) 767-7958
40 AMP SILICON BRIDGE RECTIFIERS
RATING & CHARACTERISTIC CURVES FOR SDB4000-4010 SERIES
011
50
.//
Peak Forward Surge Current
(Amperes)
Average Forward Current, Io
(Amperes)
Bridge Mounted on 8.4" x 4" x 4.6" Thick
(221.3cm x 10.2cm x 11.7cm) Finned Al. Plate
40
30
20
60Hz Resistive
or
Inductive Loads
10
0
50
100
150
,-*++
455
233
9
%
ÿ
())
Case Temperature, C
Number of Cycles at 60 Hz
FIGURE 2. MAXIMUM NON-REPETITIVE SURGE CURRENT
10
Instantaneous Reverse Current, I
(Milcroamperes)
Instantaneous Forward Current
(Amperes)
&'
FIGURE 1. FORWARD CURRENT DERATING CURVE
!!!
10
"
#
T = 25 C
Pulse Width = 300 $ S
1% Duty Cycle
1.0
0.1
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
Instantaneous Forward Voltage (Volts)
FIGURE 3. TYPICAL FORWARD CHARACTERISTIC PER DIODE
E48
:
T = 175 C
6877
180
T = 125 C
1.0
0.1
T = 25 C
.01
Percent of Rated Peak Reverse Voltage
FIGURE 4. TYPICAL REVERSE CHARACTERISTICS
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