US1A - US1M
1.0A SURFACE MOUNT ULTRA-FAST RECTIFIER
Features
·
·
·
·
·
·
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)
B
Dim
A
B
C
D
E
G
H
J
SMA
Min
2.29
4.00
1.27
0.15
4.80
0.10
0.76
2.01
Max
2.92
4.60
1.63
0.31
5.59
0.20
1.52
2.62
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
e
3
Polarity: Cathode Band or Cathode Notch
Marking: Type Number & Date Code: See Page 3
Ordering Information: See Page 3
Weight: 0.064 grams (approximate)
A
C
D
J
H
G
E
All Dimensions in mm
Maximum Ratings and Electrical Characteristics
Characteristic
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage (Note 5)
RMS Reverse Voltage
Average Rectified Output Current
@ T
T
= 75°C
Non-Repetitive Peak Forward Surge Current
8.3ms Single half sine-wave Superimposed on Rated Load
Forward Voltage Drop
Peak Reverse Current
at Rated DC Blocking Voltage (Note 5)
Reverse Recovery Time (Note 2)
Typical Total Capacitance (Note 1)
Typical Thermal Resistance, Junction to Terminal
Operating and Storage Temperature Range
@ I
F
= 1.0A
@ T
A
= 25°C
@ T
A
= 100°C
Symbol
V
RRM
V
RWM
V
R
V
R(RMS)
I
O
I
FSM
V
FM
I
RM
t
rr
C
T
R
qJT
T
j,
T
STG
US1A
50
35
T
A
= 25°C unless otherwise specified
US1B
100
70
US1D
200
140
US1G
400
280
1.0
30
1.0
1.3
5.0
100
50
20
30
-65 to +150
75
10
1.7
US1J
600
420
US1K
800
560
US1M
1000
700
Unit
V
V
A
A
V
mA
ns
pF
°C/W
°C
Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%.
Notes:
1.
2.
3.
4.
5.
Measured with I
F
= 0.5A, I
R
= 1.0A, I
rr
= 0.25A. See figure 5.
Measured at 1.0MHz and applied reverse voltage of 4.0V DC.
Unit mounted on PC board with 5.0 mm
2
(0.013 mm thick) copper pad as heat sink.
RoHS revision 13.2.2003. Glass and high temperature solder exemptions applied, see
EU Directive Annex Notes 5 and 7.
Short duration pulse test used to minimize self-heating effect.
DS16008 Rev. 7 - 2
1 of 3
www.diodes.com
US1A - US1M
ã
Diodes Incorporated
I
F
, INSTANTANEOUS FORWARD CURRENT (A)
10
I
O
, AVERAGE RECTIFIED CURRENT (A)
1.0
US1A - US1D
US1G
1.0
US1J - US1M
0.5
0.1
0
25
50
75
100
125
150
0.01
0
0.4
0.8
1.2
1.6
2.0
V
F
, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
1000
T
T
, TERMINAL TEMPERATURE (°C)
Fig. 1 Forward Current Derating Curve
I
FSM
, PEAK FORWARD SURGE CURRENT (A)
40
Single Half Sine-Wave
30
100
T
j
= 100°C
10
20
1.0
T
j
= 25°C
10
T
j
= 150°C
0.1
0
1
10
100
NUMBER OF CYCLES AT 60Hz
Fig. 3 Forward Surge Current Derating Curve
0.01
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
Fig. 4 Typical Reverse Characteristics
t
rr
+0.5A
Device
Under
Test
(-)
Pulse
Generator
(Note 2)
0A
-0.25A
(+)
50V DC
Approx
(-)
Oscilloscope
(Note 1)
(+)
-1.0A
Set time base for 50/100 ns/cm
Fig. 5 Reverse Recovery Time Characteristic and Test Circuit
DS16008 Rev. 7 - 2
2 of 3
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US1A - US1M
Ordering Information
Device*
US1x-13-F
(Note 6)
Packaging
SMA
Shipping
5000/Tape & Reel
Notes: 6. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
Marking Information
YWW
US1X
US1X = Product type marking code, ex. US1A
= Manufacturers’ code marking
YWW = Date code marking
Y = Last digit of year ex: 2 for 2002
WW = Week code 01 to 52
IMPORTANT NOTICE
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further
notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product described herein; neither
does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall assume all risks of such use and will
agree to hold Diodes Incorporated and all the companies whose products are represented on our website, harmless against all damages.
LIFE SUPPORT
Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written approval of the
President of Diodes Incorporated.
DS16008 Rev. 7 - 2
3 of 3
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US1A - US1M
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