UF3AB - UF3MB
SURFACE MOUNT ULTRA FAST RECTIFIER DIODES
VOLTAGE RANGE: 50 - 1000V
CURRENT: 3.0 A
Features
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Glass Passivated Die Construction
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Ideally Suited for Automatic Assembly
Low Forward Voltage Drop, High Efficiency
Low Power Loss
Ultra-Fast Recovery Time
B
ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ ꢀ
SMB(DO-214AA)
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Plastic Case Material has UL Flammability
Classification Rating 94V-O
Dim
Min
3.30
4.06
1.91
0.15
5.00
0.10
0.76
2.00
Max
A
B
C
D
E
G
H
J
3.94
4.70
2.21
0.31
5.59
0.20
1.52
2.62
Mechanical Data
A
J
C
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Case: SMB/DO-214AA, Molded Plastic
Terminals: Solder Plated, Solderable
per MIL-STD-750, Method 2026
Polarity: Cathode Band or Cathode Notch
Marking: Type Number
D
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G
Weight: 0.093 grams (approx.)
H
All Dimensions in mm
E
TA = 25ꢀC unless otherwise specified
Maximum Ratings and Electrical Characteristics
For capacitive load, derate current by 20%.
Single phase, half wave, 60Hz, resistive or inductive load.
Symbol
Characteristic
UF3AB UF3BB UF3DB UF3GB UF3JB UF3KB UF3MB Unit
Maximum repetitive peak reverse voltage
Maximum RMS voltage
V
V
V
50
35
50
100
70
200 400
140 280
200 400
600 800 1000
420 560 700
VRRM
VRMS
VDC
100
600 800 1000
Maximum DC blocking voltage
Maximum average forward rectified current
I(AV)
3.0
A
0.375”(9.5mm) lead length at TA=55 C
Peak forward surge current
IFSM
100.0
1.30
8.3ms single half sine-wave superimposed on
rated load (JEDEC Method)
A
VF
IR
Maximum instantaneous forward voltage at 3.0A
1.0
1.70
75
V
Maximum DC reverse current
at rated DC blocking voltage
Maximum reverse recovery time
TA=25 C
5.0
250.0
µA
TA=100 C
(NOTE 1)
ns
trr
50
Typical junction capacitance (NOTE 2)
75
CJ
pF
C/W
C
Typical thermal resistance (NOTE 3)
Operating junction and storage temperature range
θ
R JL
15.0
TJ,TSTG
-65 to +150
Note: 1.Reverse recovery condition I
F
=0.5A,I
R=1.0A,Irr=0.25A
2.Measured at 1MHz and applied reverse voltage of 4.0V D.C.
3. Ther mal resistance from junction to lead and from junction to ambient with P.C.B mounted
on 0.3 x 0.3" (8.0 x 8.0 mm) Copper pad area
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