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. SRDB-3500P-1A
35 AMP SOFT RECOVERY FAST SWITCHING BRIDGE RECTIFIERS
FEATURES
MECHANICAL SPECIFICATION
TRUE SOFT RECOVERY CHARACTERISTIC WITH
NO RINGING, SPIKES, or OVERSHOOT
HIGH FREQUENCY: 250 kHz
FAST RECOVERY: 100nS - 150nS
UNMATCHED PERFORMANCE - Minimal RFI/EMI
Reduced Power Losses, Extremely Cool Operation
Increased Power Supply Efficiency
VOID FREE Vacuum Die Soldering For Maximum
Mechanical Strength And Heat Dissipation
(Solder Voids: Typical < 2%, Max. < 10% of Die Area)
Proprietary Junction Passivation For Superior
Reliability and Performance
Wide Range of Applications: Motor Speed Controllers,
Inverters, Converters, Choppers, Power Supplies, etc.
BH
Heat Sink
BH
LT
LL
D1
Top View of
Heat Sink
LD
)+
D1
D3 BL
)+
_
+
BL D1
D2
D2
BL
D1
BL
UL RECOGNIZED - FILE #E124962
RoHS COMPLIANT
MECHANICAL DATA
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: Fast-on Terminals - 0.72 Ounces (20.3 Grams)
Wire Leads - 0.65 Ounces (18.3 Grams)
MILLIMETERS
SYM
MIN
BL
BH
D1
D2
D3
LT
MAX
28.7
9.8
16.7
18.5
14.5
INCHES
MILLIMETERS
SYM
MIN
BL
BH
D1
D2
LL
MAX
28.7
9.8
18.5
11.9
n/a
INCHES
MIN
1.12
0.38
0.62
0.69
0.53
n/a
28.4
9.6
15.7
17.5
13.5
n/a
MAX
1.13
0.39
0.66
0.73
0.57
0.6
MIN
1.12
0.38
0.69
0.43
0.81
0.039
28.4
9.6
17.5
10.9
20.6
MAX
1.13
0.39
0.73
0.47
n/a
15.2
LD
1.0
1.1
0.042
Use Suffix "T" For
FAST-ON TERMINALS
EXAMPLE P/N: DB3506P/T-S
Use Suffix "W" For
WIRE LEADS
EXAMPLE P/N: DB3506P/W-S
MAXIMUM RATINGS & ELECTRICAL CHARACTERISTICS
Ratings at 25 °C ambient temperature unless otherwise specified.
PARAMETER (TEST CONDITIONS)
Series Number
Maximum DC Blocking Voltage
Maximum RMS Voltage
Maximum Peak Recurrent Reverse Voltage
Average Forward Rectified Current, T
C
= 50 C
Peak Forward Surge Current (8.3mS single half sine wave
superimposed on rated load)
Maximum Forward Voltage, Per Diode, at 17.5 Amps DC
Maximum Average DC Reverse Current at Rated
DC Blocking Voltage Per Diode
Maximum Reverse Recovery Time
Typical Thermal Resistance, Junction to Case
Operating and Storage Temperature Range
@ T
A
= 25 C
o
@ T
A
= 125 C
o
o
SYMBOL
RATINGS
FDB
FDB
FDB
FDB
FDB
3500P-S 3501P-S 3502P-S 3504P-S 3506P-S
50
100
200
400
600
35
50
70
100
140
200
35
400
1.25
1.0
50
150 (Typ. 100)
1.2
-55 to +150
280
400
420
600
UNITS
V
RM
V
RMS
V
RRM
I
O
I
FSM
V
FM
I
RM
T
RR
R
G
JC
T
J,
T
STG
VOLTS
AMPS
VOLTS
mA
nS
°C/W
°C
3.01 35dbp-s
NOTES: (1) Bolt bridge on heat sink with #8 screw, using silicon thermal compound between bridge and mounting surface
F1
DEC [ DIOTEC ELECTRONICS CORPORATION ]
