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. FRDB-3500-1B
35 AMP FAST RECOVERY BRIDGE RECTIFIERS
FEATURES
PRV Ratings from 50 to 1000 Volts
Surge overload rating to 500 Amps peak
Reliable low cost molded plastic construction
Ideal for printed circuit board applications
Fast switching for high efficiency
+
D1
MECHANICAL SPECIFICATION
SERIES FDB3500 - FDB3510
BH
LT
UL RECOGNIZED - FILE #E124962
RoHS COMPLIANT
MECHANICAL DATA
Case: Metal (Potting epoxy carries U/L flammability Rating 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: Fast-on Terminals - 1.1 Ounces (31.6 Grams)
Wire Leads - 0.95 Ounce (28.5 Grams)
SYM
BL
BH
D1
D2
D3
LT
+
D2
BL
MILLIMETERS
MIN
INCHES
SYM
BL
BH
D1
D2
LL
D1
BL
MILLIMETERS
MIN
INCHES
28.4
11.0
15.7
17.5
13.5
MAX
28.7
11.2
16.7
18.5
14.5
MIN
1.12
0.43
0.62
0.69
0.53
n/a
MAX
1.13
0.44
0.66
0.73
0.57
0.56
28.4
11.0
17.5
10.9
20.6
MAX
28.7
11.2
18.5
11.9
n/a
MIN
1.12
0.43
0.69
0.43
0.81
n/a
14.2
LD
1.0
1.1
0.039
MAXIMUM RATINGS & ELECTRICAL CHARACTERISTICS
PARAMETER (TEST CONDITIONS)
Series Number
SYMBOL
FDB
3500
50
35
50
FDB
3501
100
70
100
RATINGS
FDB
3502
200
140
200
FDB
3504
400
280
400
35
500
1.3
10
1
200
1.6
-55 to +135
-55 to +135
300
500
FDB
3506
600
420
600
FDB
3508
800
560
800
FDB
3510
1000
700
1000
Maximum RMS Voltage
Maximum Peak Recurrent Reverse Voltage
Average Forward Rectified Current @ T = 75 C
Peak Forward Surge Current (8.3mS single half sine wave
superimposed on rated load) T = 125 C
Maximum Forward Voltage (Per Bridge Element) at 17.5 Amps DC
V
V
Typical Thermal Resistance, Junction to Case (Note 2)
Junction Temperature Range
Storage Temperature Range
R
T
T
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Maximum Average DC Reverse Current at Rated
DC Blocking Voltage (Per Bridge Element-Note 2)
Maximum Reverse Recovery Time (Note 1)
@ T = 25 C
@ T = 100 C
I
V
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Maximum DC Blocking Voltage
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I
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D1
_
D3
BL
BL D1
Dt
u
yx
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+
BH
LL
HOLE FOR
#8 SCREW
LD
s
Dr
_
D2
MAX
1.13
0.44
0.73
0.47
n/a
0.042
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UNITS
VOLTS
AMPS
VOLTS
mA
mA
nS
°C/W
°C
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. FRDB-3500-2A
35 AMP FAST RECOVERY BRIDGE RECTIFIERS
RATING & CHARACTERISTIC CURVES FOR SERIES FDB3500 - FDB3510
60Hz Resistive or Inductive Loads
Peak Forward Surge Current
(Amperes)
Average Forward Current, Io
(Amperes)
Bridge Mounted on 9 x 3 x 4.6" Thick
(22.9 x 7.6 x 11.7cm) Finned Al. Plate
40
T = 125 C
30
20
10
0
0
50
75
100
125
150
Case Temperature, C
FIGURE 1. FORWARD CURRENT DERATING CURVE
Number of Cycles at 60 Hz
FIGURE 2. MAXIMUM NON-REPETITIVE SURGE CURRENT
10
T = 125 C
Instantaneous Forward Current
(Amperes)
Instantaneous Reverse Current, I
(Microamperes)
1.0
10
1.0
T = 25 C
Pulse Width = 300
m
Sec
1%Duty Cycle
T = 25 C
0.1
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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1.2
1.4
1.6
1.8
2.0
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