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

31DF4-31DF6
3.0A Axial Leaded Super- Fast Rectifiers
Features
· _{Low forward voltage drop}
· Low power loss, high efficiency
· High current capability
· _{High reliability}
· High surge current capability
A
B
A
C
D
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}
Maximum Ratings and Electrical Characteristics
DO-201AD
Dim
Min
Max
A
25.40
¾
B
7.20
9.50
C
1.20
1.30
D
4.80
5.30
All Dimensions in mm
@ T_A = 25°C unless otherwise specified
Single phase, half wave, 60Hz, 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
Maximum DC Reverse Current @ TA=25℃
at Rated DC Blocking Voltage
IR
Maximum Reverse Recovery Time (Note 3)
Trr
1.7
20
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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