UF1A - UF1M
SURFACE MOUNT ULTAFAST RECTIFIER DIODES
VOLTAGE RANGE: 50 - 1000V
CURRENT: 1.0 A
Features
Glass Passivated Die Construction
!
! Diffused Junction
Ultra-Fast Recovery Time for High Efficiency
Low Forward Voltage Drop, High Current
Capability, and Low Power Loss
!
!
Ideally Suited for Automated Assembly
Plastic Material: UL Flammability
!
!
B
SMA(DO-214AC)
Classification Rating 94V-0
Dim
MinMax
Mechanical Data
A
B
C
D
E
G
H
J
2.29
4.00
1.27
0.15
4.80
0.10
0.76
2.01
2.92
4.60
1.63
0.31
5.59
0.20
1.52
2.62
A
J
C
Case: SMA(DO-214AC)Molded Plastic
Terminals: Solder Plated Terminal - Solderable
per MIL-STD-202, Method 208
!
!
D
! Polarity: Cathode Band or Cathode Notch
!
!
Marking: Type Number
Weight: 0.064 grams (approx.)
Mounting Position: Any
G
H
!
E
All Dimensions in mm
Maximum Ratings and Electrical Characteristics
TA = 25ꢀC unless otherwise specified
For capacitive load, derate current by 20%.
Single phase, half wave, 60Hz, resistive or inductive load.
Symbol
Unit
UF1A
UF1B
UF1D
UF1G
UF1J
UF1K
UF1M
Characteristic
Maximum repetitive peak reverse voltage
VRRM
VRMS
50
100
200
400
600
800
1000
700
V
V
Maximum RMS voltage
35
50
70
140
200
280
400
1.0
420
600
560
800
1000
100
VDC
I(AV)
Maximum DC blocking voltage
Maximum average forward rectified current
at TA=65 C (NOTE 1)
V
A
Peak forward surge current
IFSM
25.0
1.4
8.3ms single half sine-wave superimposed on
A
V
rated load (JEDEC Method)
TL=25 C
VF
IR
Maximum instantaneous forward voltage at 1.0A
1.0
50
1.7
Maximum DC reverse current
at rated DC blocking voltage
TA=25 C
5.0
100.0
µ
A
TA=125 C
trr
ns
Maximum reverse recovery time (NOTE 2)
Typical thermal resistance (NOTE 4)
75
K/W
180
RθJA
Operating junction and storage temperature range
TJ,TSTG
-50 to +150
C
Note:
1.Averaged over any 20ms period.
2.Measured with IF=0.5A, IR=1A, Irr=0.25A.
3.Measured at 1MHz and applied reverse voltage of 4.0V D.C.
4.Thermal resistance junction to ambient, 6.0 mm2 coppeer pads to each terminal.
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