DS30191 Rev. B-1 1 of 2 US3A - US3G
US3A - US3G
3.0A SURFACE MOUNT SUPER-FAST RECTIFIER
Features
SMC
Dim Min Max
A5.59 6.22
B6.60 7.11
C2.75 3.18
D0.15 0.31
E7.75 8.13
G0.10 0.20
H0.76 1.52
J2.00 2.62
All Dimensions in mm
A
B
C
D
G
H
E
J
·Glass Passivated Die Construction
·Super-Fast Recovery Time For High Efficiency
·Low Forward Voltage Drop and High Current
Capability
·Surge Overload Rating to 100A Peak
·Ideally Suited for Automated Assembly
·Plastic Material: UL Flammability
Classification Rating 94V-0
Mechanical Data
·Case: Molded Plastic
·Terminals: Solder Plated Terminal - Solderable
per MIL-STD-202, Method 208
·Polarity: Cathode Band or Cathode Notch
·Weight: 0.21 grams (approx.)
·Mounting Position: Any
·Marking: Type Number
Maximum Ratings and Electrical Characteristics @ TA= 25°C unless otherwise specified
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Notes: 1. Unit mounted on PC board with 5.0 mm2(0.013 mm thick) copper pads as heat sink.
2. Measured at 1.0MHz and applied reverse voltage of 4.0V DC.
3. Measured with IF= 0.5A, IR= 1.0A, Irr = 0.25A. See Figure 5.
Characteristic Symbol US3A US3B US3C US3D US3F US3G Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
50 100 150 200 300 400 V
RMS Reverse Voltage VR(RMS) 35 70 105 140 210 280 V
Average Rectified Output Current @ TA= 55°CIO3.0 A
Non-Repetitive Peak Forward Surge Current
8.3ms Single half sine-wave Superimposed on Rated Load
(JEDEC Method)
IFSM 100 A
Forward Voltage @ IF= 3.0A VFM 0.95 1.25 V
Peak Reverse Current @ TA= 25°C
at Rated DC Blocking Voltage @ TA= 150°CIRM 5.0
50 mA
Reverse Recovery Time (Note 3) trr 35 ns
Typical Junction Capacitance (Note 2) Cj50 30 pF
Typical Thermal Resistance, Junction to Terminal (Note 1) RqJT 15 K/W
Operating and Storage Temperature Range Tj, TSTG -65 to +150 °C
ADVANCE INFORMATION
ADVANCE INFORMATION
DS30191 Rev. B-1 2 of 2 US3A - US3G
0
25
50
75
110
5100
50
20
I , PEAK FORWARD SURGE CURRENT (A)
FSM
NUMBER OF CYCLES AT 60Hz
Fi
g
. 3 Sur
g
e Current Deratin
g
Curve
Single Half-Sine-Wave
(JEDEC Method)
100
125
1
5
0
2
1.0
.1
1.0
040
6020 80 120 140100
I , INSTANTANEOUS REVERSE CURRENT (A)
R
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
Fi
g
.4 T
y
pical Reverse Characteristics
T = 100 C
j°
T = 150 C
j°
T = 25 C
j°
100
10
0
1.0
2.0
3
.
0
25 50 75 100 125 150 175
I , AVERAGE RECTIFIED CURRENT (A)
O
T , TERMINAL TEMPERATURE ( C)
Fi
g
. 1 Forward Current Deratin
g
Curve
T°
50V DC
Approx
50 NI (Non-inductive)Ω10 NIΩ
1.0
NI
ΩOscilloscope
(Note 1)
Pulse
Generator
(Note 2)
Device
Under
Test
trr
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 .
Ω
Ω
Fi
g
. 5 Reverse Recover
y
Time Characteristic and Test Circuit
(+)
(+)
(-)
(-)
0.001
0.01
0.1
1.0
10
0.2 .6 .8.4 1.0 1.2 1.4
I , INSTANTANEOUS FORWARD CURRENT (A)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fi
g
.2 T
y
pical Forward Characteristics
F
Pulse Width: 300 s
1% Duty Cycle
µ
US3A-US3D
US3F-US3G
