DS16008 Rev. B1-2
1 of 2
US1A - US1M
US1A - US1M
1.0A SURFACE MOUNT ULTRA-FAST RECTIFIER
Features
Mechanical Data
Maximum Ratings and Electrical Characteristics
T
A
= 25
C unless otherwise specified
Notes:
1. Measured at 1.0MHz and applied reverse voltage of 4.0V DC.
2. Measured with I
F
= 0.5A, I
R
= 1.0A, I
rr
= 0.25A.
Glass Passivated Die Construction
Diffused Junction
Ultra-Fast Recovery Time for High Efficiency
Low Forward Voltage Drop, High Current
Capability, and Low Power Loss
Surge Overload Rating to 30A Peak
Ideally Suited for Automated Assembly
Plastic Material: UL Flammability
Classification Rating 94V-0
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Characteristic
Symbol
US1A
US1B
US1D
US1G
US1J
US1K
US1M
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
50
100
200
400
600
800
1000
V
RMS Reverse Voltage
V
R(RMS)
35
70
140
280
420
560
700
V
Average Rectified Output Current
@ T
T
= 75
C
I
O
1.0
A
Non-Repetitive Peak Forward Surge Current
8.3ms Single half sine-wave Superimposed on Rated Load
(JEDEC Method)
I
FSM
30
A
Forward Voltage Drop
@ I
F
= 1.0A
V
FM
1.0
1.3
1.7
V
Peak Reverse Current
@ T
A
= 25
C
at Rated DC Blocking Voltage
@ T
A
= 100
C
I
RM
5.0
100
mA
Reverse Recovery Time (Note 2)
t
rr
50
75
ns
Typical Junction Capacitance (Note 1)
C
j
20
10
pF
Typical Thermal Resistance, Junction to Terminal
R
qJT
30
C/W
Operating and Storage Temperature Range
T
j,
T
STG
-65 to +150
C
Case: Molded Plastic
Terminals: Solder Plated Terminal - Solderable
per MIL-STD-202, Method 208
Polarity: Cathode Band or Cathode Notch
Marking: Type Number
Weight: 0.064 grams (approx.)
Mounting Position: Any
A
B
C
D
G
H
E
J
SMA
Dim
Min
Max
A
2.29
2.92
B
4.00
4.60
C
1.27
1.63
D
0.15
0.31
E
4.80
5.59
G
0.10
0.20
H
0.76
1.52
J
2.01
2.62
All Dimensions in mm
DS16008 Rev. B1-2
2 of 2
US1A - US1M
50V DC
Approx
50
NI (Non-inductive)
10
NI
1.0
NI
Oscilloscope
(Note 1)
Pulse
Generator
(Note 2)
Device
Under
Test
t
rr
Set time base for 50/100 ns/cm
+0.5A
0A
-0.25A
-1.0A
Notes:
1. Rise Time = 7.0ns max. Input Impedance = 1.0M , 22pF.
2. Rise Time = 10ns max. Input Impedance = 50 .
Fig. 5 Reverse Recovery Time Characteristic and Test Circuit
(+)
(+)
(-)
(-)
0.01
0.1
1.0
10
100
1000
0
20
40
60
80
100
120
140
I
,
INST
ANT
ANEOUS
REVERSE
CURRENT
(
A
)
R
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
Fig. 4 Typical Reverse Characteristics
T = 100 C
j
T = 25 C
j
0.01
0.1
1.0
10
0
0.4
0.8
I
,
INST
ANT
ANEOUS
FOR
W
ARD
CURRENT
(A
)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
F
T - 25 C
j
Pulse Width = 300 s
1.2
1.6
2.0
US1A - US1D
US1G
US1J - US1M
0
10
20
30
40
1
10
100
I
,
PEAK
FOR
W
ARD
SURGE
CURRENT
(A
)
FSM
NUMBER OF CYCLES AT 60Hz
Fig. 3 Forward Surge Current Derating Curve
Single Half Sine-Wave
(JEDEC Method)
T = 150 C
j
0
0.5
1.0
25
50
75
100
125
150
I
,
A
VERAGE
RECTIFIED
CURRENT
(A)
O
T , TERMINAL TEMPERATURE ( C)
Fig. 1 Forward Current Derating Curve
T
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