31DF4 Datasheet, PDF (1/2 Pages) Nihon Inter Electronics Corporation – Ultra - Fast Recovery Diode

Features
31DF4 THRU 31DF6
3.0 AMPS. Ultra Fast Recovery Rectifiers
Voltage Range
400 to 600 Volts
Current
3.0 Amperes
DO-201AD
Low forward voltage drop
Low power loss, high efficiency
High current capability
High reliability
High surge current capability
Mechanical Data
Case: Molded plastic
Epoxy: UL 94V-O rate flame retardant
Lead: Axial leads, solderable per MIL-
STD-202, Method 208 guaranteed
Polarity: Color band denotes cathode end
High temperature soldering guaranteed:
260^oC/10 seconds/.375”,(9.5mm) lead
lengths at 5 lbs., (2.3kg) tension
Weight: 1.2 grams
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25℃ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%
Type Number
Symbol
31DF4
31DF6
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
VRRM
VRMS
VDC
400
280
400
600
420
600
Maximum Average Forward Rectified Current
.375 (9.5mm) Lead Length @TA = 29℃ (Note 1)
I(AV)
1.2
@TL = 109℃
3.0
Peak Forward Surge Current, 8.3 ms Single
Half Sine-wave Superimposed on Rated Load
IFSM
45
(JEDEC method )
Maximum Instantaneous Forward Voltage
@ 3.0A
VF
1.7
Maximum DC Reverse Current @ TA=25℃
at Rated DC Blocking Voltage
IR
20
Maximum Reverse Recovery Time (Note 3)
Trr
35
Typical Thermal Resistance (Note 2)
RθJA
80
Operating Temperature Range
TJ
-40 to +150
Storage Temperature Range
TSTG
-40 to +150
Notes: 1. Without Fin or P.C.Board..
2. Thermal Resistance from Junction to Ambient .375”(9.5mm) Lead Length.
3. Reverse Recovery Test Conditions: I_F=0.5A, I_R=1.0A, I_RR=0.25A
Units
V
V
V
A
A
V
uA
nS
℃/W
℃
℃
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