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-300-1B
FEATURES
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
MECHANICAL SPECIFICATION
ACTUAL SIZE OF
FDB PACKAGE
DT
FDB306
BH
SERIES FDB300 - FDB310
LL
Fast switching for high efficiency
LD
UL RECOGNIZED - FILE #E124962
MECHANICAL DATA
AC
D1
+
D1
BL
_
_
+
Case: Molded plastic, U/L Flammability Rating 94V-0
Terminals: Round silver plated copper pins
Soldering: Per MIL-STD 202 Method 208 guaranteed
AC
BL
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)
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%.
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 1.5 Amps DC
Maximum Average DC Reverse Current at Rated
DC Blocking Voltage
Maximum Reverse Recovery Time (Note 1)
Thermal Energy (Rating for Fusing, t < 8.3 mS)
Maximum Thermal Resistance, Junction to Case (Note 2)
Junction Operating and Storage Temperature Range
NOTES: (1) T
J
=25
o
C, I
F
=0.5A, I
R
=1A, I
RR
=0.25A
(2) Bridge mounted on 4.0" sq. x 0.11" thick (10.5cm sq. x 0.3cm) aluminum plate
o
SYMBOL
FDB
300
50
35
50
FDB
301
100
70
100
RATINGS
FDB
302
200
140
200
FDB
304
400
280
400
2
50
1.3
10
1
200
10
2.5
-55 to +150
300
500
FDB
306
600
420
600
FDB
308
800
560
800
FDB
310
1000
700
1000
UNITS
V
RM
V
RMS
V
RRM
I
O
I
FSM
V
FM
I
RM
T
RR
It
R
θJC
T
J,
T
STG
2
VOLTS
AMPS
VOLTS
µA
mA
nS
AMPS
2
SEC
°C/W
°C
3.0103fdb
@ T
A
= 25
o
C
@ T
A
= 100
o
C
G7