31DF3 Datasheet, PDF (1/2 Pages) Galaxy Semi-Conductor Holdings Limited – SUPER FAST RECTIFIERS

31DF3-31DF4
Super Fast Rectifiers
VOLTAGE RANGE: 300 --- 400 V
CURRENT: 1.5 A
Features
Low cost
Diffused junction
Low leakage
Low forward voltage drop
High current capability
Eas ily cleaned with alcohol,Is opropanol 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
DO - 27
Dimensions in millimeters
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 am bient tem perature unless otherwise specified.
Single phas e,half wave,50Hz,res is tive or inductive load. For capacitive load,derate by 20%.
31DF3
31DF4
UNITS
Maximum recurrent peak reverse voltage
V_RRM
300
400
V
Maximum RMS voltage
V_RMS
210
280
V
Maximum DC blocking voltage
V_DC
300
400
V
Maximum average forw ard rectified current
I_F(AV)
1.5
A
9.5mm lead length,
@T_A=75
Peak forw ard surge current
8.3ms single half-sine-w ave
I_FSM
125.0
A
superimposed on rated load @T_J=125
Maximum instantaneous forw ard voltage
@ I_F=3A
V_F
1.25
V
Maximum reverse current
@T_A=25
I_R
at rated DC blocking voltage @T_A=100
5.0
50.0
A
Maximum reverse recovery time (Note1)
t_rr
30
ns
Typical junction capacitance
(Note2)
C_J
90
pF
Typical thermal resistance
(Note3)
R_θJA
34
/W
Operating junction temperature range
T_J
- 55 ----- + 150
Storage temperature range
T_STG
NOTE: 1. Measured with I_F=0.5A, I_R=1A, I_rr=0.25A.
2. Measured at 1.0MH_Z and applied rev erse v oltage of 4.0V DC.
3. Thermal resistance f rom junction to ambient.
- 55 ----- + 150
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