WTE UF2K-T3, UF2K-T1, UF2J-T3, UF2J-T1, UF2B-T1 Datasheet
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WTE
POWER SEMICONDUCTORS
UF2A – UF2K
2.0A SURFACE MOUNT ULTRA FAST RECTIFIER
Features
!
Glass Passivated Die Construction
!
Ideally Suited for Automatic Assembly B
!
Low Forward Voltage Drop, High Efficiency
!
Surge Overload Rating to 50A Peak D
!
Low Power Loss A
!
Ultra-Fast Recovery Time F
!
Plastic Case Material has UL Flammability
Classification Rating 94V-O C H G
E
Mechanical Data
!
Case: Molded Plastic
!
Terminals: Solder Plated, Solderable
per MIL-STD-750, Method 2026
!
Polarity: Cathode Band or Cathode Notch
!
Marking: Type Number
!
Weight: 0.093 grams (approx.)
Maximum Ratings and Electrical Characteristics
Characteristic Symbol UF2A UF2B UF2D UF2G UF2J UF2K Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage V
Average Rectified Output Current @TL = 90°C I
RRM
V
RWM
V
R
V
R(RMS)
O
50 100 200 400 600 800 V
35 70 140 280 420 560 V
SMB/DO-214AA
Dim Min Max
A
B
C
D
E
F
G
H
All Dimensions in mm
@TA=25°C unless otherwise specified
3.30 3.94
4.06 4.70
1.91 2.11
0.152 0.305
5.08 5.59
2.13 2.44
0.051 0.203
0.76 1.27
2.0 A
Non-Repetitive Peak Forward Surge Current
8.3ms Single half sine-wave superimposed on
rated load (JEDEC Method) @T
Forward Voltage @IF = 2.0A V
Peak Reverse Current @TA = 25°C
At Rated DC Blocking Voltage @T
Reverse Recovery Time (Note 1) t
Typical Junction Capacitance (Note 2) C
Typical Thermal Resistance (Note 3) R
Operating and Storage Temperature Range T
Note: 1. Measured with IF = 0.5A, IR = 1.0A, Irr = 0.25A,
2. Measured at 1.0 MHz and applied reverse voltage of 4.0 V DC.
3. Mounted on P.C. Board with 8.0mm
UF2A – UF2K 1 of 3 © 2002 Won-Top Electronics
= 55°C
A
= 100°C
A
2
land area.
FSM
I
FM
RM
I
rr
j
JL
j, TSTG
50 A
1.0 1.4 1.7 V
10
500
50 100 nS
50 pF
20 K/W
-50 to +150 °C
µA
10
(AV),
I AVERAGE FORWARD CURRENT (A)
2.0
1.0
0
25 50
60
45
75
T,LEAD TEMPERATURE ( C)
L
100 125 150
°
Fig. 1 Forward Current Derating Curve
Single Half Sine-Wave
(JEDEC Method)
F
I,INSTANTANEOUSFORWARDCURRENT(A)
1000
UF2A-UF2D
UF2G
1.0
UF2J-UF2K
0.1
T-25C
PulseWidth=300sµ
0.01
00.40.8
V,INSTANTANEOUSFORWARDVOLTAGE(V)
F
1.21.62.0
Fig.2TypicalForwardCharacteristics
100
T = 100 C
°
j
10
j
°
30
15
T = 150 C
°
j
FSM
I , PEAK FORWARD SURGE CURRENT (A)
0
1 10 100
NUMBER OF CYCLES AT 60Hz
Fig. 3 Forward Surge Current Derating Curve
50 NI (Non-inductive)Ω
Device
Under
1.0
Test
Ω
NI
Oscilloscope
(Note 1)
(+)
50V DC
Approx
(-)
10 NIΩ
(-)
Pulse
Generator
(Note 2)
(+)
1.0
T = 25 C
°
j
0.1
0.01
R
I , INSTANTANEOUS REVERSE CURRENT (mA)
0 20 40 60 80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
Fig. 4 Typical Reverse Characteristics
t
rr
+0.5A
0A
-0.25A
Notes:
1. Rise Time = 7.0ns max. Input Impedance = 1.0M , 22pF.
2. Rise Time = 10ns max. Input Impedance = 50 .
Ω
Ω
-1.0A
Settimebasefor10ns/cm
Fig. 5 Reverse Recovery Time Characteristic and Test Circuit
UF2A – UF2K 2 of 3 © 2002 Won-Top Electronics
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