BL
FEATURES
Low cost
Low leakage
GALAXY ELECTRICAL
31DF3 --- 31DF4
VOLTAGE RANGE: 300 --- 400 V
CURRENT: 1.5 A
SUPER FAST RECTIFIERS
DO - 27
Diffused junction
Low forward voltage drop
High current capability
Easily cleaned with alcohol,Isopropanol and
sim ilar solvents
MECHANICAL DATA
Case:JEDEC DO--27,m olded plastic
Terminals: Axial lead ,solderable per
MIL-STD-202,Method 208
Polarity: Color band denotes cathode
Weight: 0.041ounces,1.15 gram s
Mounting position: Any
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
am bient tem perature unless otherwise specified.
Single phase,half wave,50Hz,resistive or inductive load. For capacitive load,derate by 20%.
31DF3
Maximum recurrent peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forw ard rectified current
9.5mm lead length,
@T
A
=75
31DF4
400
280
400
1.5
UNITS
V
V
V
A
V
RRM
V
RMS
V
DC
I
F(AV)
300
210
300
Peak forw ard surge current
8.3ms single half-sine-w ave
superimposed on rated load
@T
J
=125
I
FSM
125.0
A
Maximum instantaneous forw ard voltage
@ I
F
=3A
Maximum reverse current
at rated DC blocking voltage
Maximum reverse recovery time
Typical junction capacitance
Typical thermal resistance
@T
A
=25
@T
A
=100
(Note1)
(Note2)
(Note3)
V
F
I
R
t
rr
C
J
R
θ
JA
T
J
T
STG
1.25
5.0
50.0
30
90
34
- 55 ----- + 150
- 55 ----- + 150
V
A
ns
pF
/W
Operating junction temperature range
Storage temperature range
NOTE: 1. Measured with I
F
=0.5A, I
R
=1A, I
rr
=0.25A.
www.galaxycn.com
2. Measured at 1.0MH
Z
and applied rev erse v oltage of 4.0V DC.
3. Thermal resistance f rom junction to ambient.
Document Number 0264017
BL
GALAXY ELECTRICAL
1.
BILIN [ GALAXY SEMI-CONDUCTOR HOLDINGS LIMITED ]
