MECHANICAL DATA
FEATURES
Data Sheet No. FRDB-300-1B
MECHANICAL SPECIFICATION
PRV Ratings from 50 to 1000 Volts
Surge overload rating to 50 Amps peak
Reliable low cost molded plastic construction
Ideal for printed circuit board applications
Fast switching for high efficiency
G7
(1) T =25 C, I =0.5A, I =1A, I
=0.25A
(2) Bridge mounted on 4.0" sq. x 0.11" thick (10.5cm sq. x 0.3cm) aluminum plate
J
F
R
RR
o
3.0103fdb
NOTES:
Case: Molded plastic, U/L Flammability Rating 94V-0
Terminals: Round silver plated copper pins
Soldering: Per MIL-STD 202 Method 208 guaranteed
Polarity: Marked on side of case; positive lead at beveled corner
Mounting Position: Any. Through hole provided for #6 screw
Weight: 0.11 Ounces (3.36 Grams)
ACTUAL SIZE OF
FDB PACKAGE
SERIES FDB300 - FDB310
BH
LL
LD
D1
D1
BL
BL
+
_
DT
FDB306
+
_
AC
AC
UL RECOGNIZED - FILE #E124962
MAXIMUM RATINGS & ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive loads, derate current by 20%.
Average Forward Rectified Current @ T = 50 C
C
o
PARAMETER (TEST CONDITIONS)
Maximum DC Blocking Voltage
Maximum Peak Recurrent Reverse Voltage
Maximum RMS Voltage
Series Number
I
O
V
RMS
V
RRM
V
RM
SYMBOL
FDB
FDB
RATINGS
UNITS
VOLTS
FDB
FDB
FDB
FDB
FDB
50
100
200
400
1000
35
70
140
280
700
2
Peak Forward Surge Current (8.3mS single half sine wave
superimposed on rated load)
Maximum Forward Voltage (Per Diode) at 1.5 Amps DC
VOLTS
AMPS
V
FM
I
FSM
50
1.3
Maximum Average DC Reverse Current at Rated
DC Blocking Voltage
I
RM
A
@ T = 25 C
A
o
@ T = 100 C
A
o
10
1
T
RR
R
JC
C/W
2.5
Maximum Thermal Resistance, Junction to Case (Note 2)
Junction Operating and Storage Temperature Range
T T
J,
STG
C
-55 to +150
600
800
50
100
200
400
1000
600
800
420
560
300
301
302
304
306
308
310
Maximum Reverse Recovery Time (Note 1)
200
300
500
nS
Thermal Energy (Rating for Fusing, t < 8.3 mS)
I t
2
10
AMPS
2
SEC
mA
Tel.: (310) 767-1052
Fax: (310) 767-7958
DIOTEC ELECTRONICS CORP.
Gardena, CA 90248
U.S.A
18020 Hobart Blvd., Unit B
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