DS16008 Rev. 7 - 2 1 of 3 US1A - US1M
www.diodes.com ã Diodes Incorporated
US1A - US1M
1.0A SURFACE MOUNT ULTRA-FAST RECTIFIER
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 (Note 5)
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
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 (Note 5) @ T
A
= 100°C
I
RM
5.0
100
mA
Reverse Recovery Time (Note 2)
t
rr
50 75 ns
Typical Total Capacitance (Note 1)
C
T
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
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
Features
Mechanical Data
· Case: SMA
· Case Material: Molded Plastic. UL Flammability Classification
Rating 94V-0
· Moisture Sensitivity: Level 1 per J-STD-020C
· Terminals: Lead Free Plating (Matte Tin Finish).
Solderable per MIL-STD-202, Method 208
· Polarity: Cathode Band or Cathode Notch
· Marking: Type Number & Date Code: See Page 3
· Ordering Information: See Page 3
· Weight: 0.064 grams (approximate)
Notes: 1. Measured with I
F
= 0.5A, I
R
= 1.0A, I
rr
= 0.25A. See figure 5.
2. Measured at 1.0MHz and applied reverse voltage of 4.0V DC.
3. Unit mounted on PC board with 5.0 mm
2
(0.013 mm thick) copper pad as heat sink.
4. RoHS revision 13.2.2003. Glass and high temperature solder exemptions applied, see EU Directive Annex Notes 5 and 7.
5. Short duration pulse test used to minimize self-heating effect.
Maximum Ratings and Electrical Characteristics
T
A
= 25°C unless otherwise specified
· Glass Passivated Die Construction
· Ultra-Fast Recovery Time for High Efficiency
· Surge Overload Rating to 30A Peak
· High Current Capability
· Ideally Suited for Automated Assembly
· Lead Free Finish/RoHS Compliant (Note 4)
SPICE MODELS: US1A US1B US1D US1G US1J US1K US1M
