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
60
60Hz Resistive or Inductive Loads
700
600
Average Forward Current, Io
(Amperes)
50
Peak Forward Surge Current
(Amperes)
500
400
300
40
30
20
200
10
0
Bridge Mounted on
9" x 4" x 5" Thick
(22.9cm x 10.2cm x 12.9cm)
Finned Al. Plate
25
75
125
150
175
T
J
= 125 C
o
100
Case Temperature, C
FIGURE 1. FORWARD CURRENT DERATING CURVE
o
1
10
100
Number of Cycles at 60 Hz
FIGURE 2. MAXIMUM NON-REPETITIVE SURGE CURRENT
1000
10
T
J
= 125 C
O
Instantaneous Forward Current
(Amperes)
Instantaneous Reverse Current, I
(Milcroamperes)
100
1.0
10
0.1
T
J
= 25 C
O
1.0
T
J
= 25 C
Pulse Width = 300
m
S
1% Duty Cycle
o
0.1
0.6
.01
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0
20
40
60
80
100
120
140
Instantaneous Forward Voltage (Volts)
FIGURE 3. TYPICAL FORWARD CHARACTERISTIC PER DIODE
Percent of Rated Peak Reverse Voltage
FIGURE 4. TYPICAL REVERSE CHARACTERISTICS
E48
3.01 40sdb
DEC [ DIOTEC ELECTRONICS CORPORATION ]
