WTE
PO WER SEM ICONDUCTORS
US1A – US1K
1.0A 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 30A Peak
Low Power Loss
Ultra-Fast Recovery Time
Plastic Case Material has UL Flammability
Classification Rating 94V-O
D
A
F
C
H
G
E
SMA/DO-214AC
Min
Mechanical Data
Dim
A
Max
2.90
4.60
1.60
0.305
5.28
2.44
0.203
1.52
!
!
Case: Molded Plastic
2.50
Terminals: Solder Plated, Solderable
per MIL-STD-750, Method 2026
Polarity: Cathode Band or Cathode Notch
Marking: Type Number
B
4.00
C
1.40
!
!
!
D
0.152
4.80
E
Weight: 0.064 grams (approx.)
F
2.00
G
H
0.051
0.76
All Dimensions in mm
Maximum Ratings and Electrical Characteristics @TA=25°C unless otherwise specified
Characteristic
Symbol
US1A
US1B
US1D
US1G
US1J
US1K
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
50
35
100
70
200
140
400
280
600
420
800
560
V
RMS Reverse Voltage
VR(RMS)
IO
V
A
Average Rectified Output Current
@TL = 100°C
1.0
30
Non-Repetitive Peak Forward Surge Current
8.3ms Single half sine-wave superimposed on
IFSM
A
rated load (JEDEC Method)
@TA = 55°C
Forward Voltage
@IF = 1.0A
VFM
IRM
1.0
1.4
1.7
V
Peak Reverse Current
At Rated DC Blocking Voltage
@TA = 25°C
@TA = 100°C
10
500
µA
Reverse Recovery Time (Note 1)
Typical Junction Capacitance (Note 2)
Typical Thermal Resistance (Note 3)
trr
Cj
50
100
nS
pF
15
30
RꢀJL
Tj, TSTG
K/W
°C
Operating and Storage Temperature Range
-50 to +150
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 8.0mm2 land area.
US1A – US1K
1 of 3
© 2002 Won-Top Electronics