US1A
THRU
US1M
1 Amp Ultra Fast
Rectifier
50 to 1000 Volts
Features
Maximum Ratings
• Operating Temperature: -50°C to +150°C
• Storage Temperature: -50°C to +150°C
• Maximum Thermal Resistance; 30 °C/W Junction To Lead
MCC
Catalog
Number
Device
Marking
Maximum
Recurrent
Peak Reverse
Voltage
Maximum
RMS
Voltage
Maximum
DC
Blocking
Voltage
US1A US1A 50V 35V 50V
US1B US1B 100V 70V 100V
US1D US1D 200V 140V 200V
US1G US1G 400V 280V 400V
US1J US1J 600V 420V 600V
US1K US1K 800V 560V 800V
Electrical Characteristics @ 25°C Unless Otherwise Specified
Average Forward
Current
IF(AV) 1.0A TL = 75°C
Peak Forward Surge
Current
IFSM 30A 8.3ms, half sine
Maximum
Instantaneous
Forward Voltage
US1A-1D
US1G
US1J-1M
VF1.0V
1.4V
1.7V
IFM = 1.0A;
TJ = 25°C
Typical Junction
Capacitance
US1A-1G
US1J-1M
CJ 20pF
17pF
Measured at
1.0MHz, VR=4.0V
Maximum DC
Reverse Current At
Rated DC Blocking
Voltage
IR10uA
100uA
TA= 25°C
TA= 100°C
0.050”
0.106”
0.083”
SUGGESTED SOLDER
PAD LAYOUT
DO-214AC
(SMA) (LEAD FRAME)
MAX
MIN
MIN
Maximum Reverse
Recovery Time Trr IF=0.5A, IR=1.0A,
Irr=0.25A
US1A-1G 50ns
US1J-1M 100ns
*Pulse test: Pulse width 300 sec, Duty cycle 1%
INCHES MM
DIM MIN MAX MIN MAX NOTE
A .079 .096 2.00 2.44
B .050 .064 1.27 1.63
C .002 .008 .05 .20
D --- .02 --- .51
E .030 .060 .76 1.52
F .065 .091 1.65 2.32
G .189 .220 4.80 5.59
H .157 .181 4.00 4.60
J .090 .115 2.25 2.92
H
J
E
F
G
A
B
D
C
US1MUS1M1000V 700V 1000V
US1CUS1C 150V105V150V
Dimensions
Revision: 6 2007/04/05
omponents
20736 Marilla Street Chatsworth
!"#
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MCC TM
Micro Commercial Components
• Glass Passivated Chip
• Ultra Fast Switching For High Efficiency
• For Surface Mounted Applications
• Low Forward Voltage Drop And High Current Capability
• Low Reverse Leakage Current
x Case Material: Molded Plastic. UL Flammability
Classification Rating 94V-0
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US1A thru US1M
Average Forward Rectified Current - Amperesversus
Lead Temperature -°C
Figure 2
Forward Derating Curve
015025 50 75 100
0
.2
.4
.6
.8
1.0
1.2
1.4
Single Phase, Half Wave
60Hz Resistive or Inductive Load
Amps
°C
125
1.6
1.8
2.0
2.2
2.4
Instantaneous Forward Current - Amperesversus
Instantaneous Forward Voltage - Volts
Figure 1
Typical Forward Characteristics
4
6
20
10
Amps
.8 1.0 1.2 1.4 1.6 1.8
.01
.02
.04
.06
.1
.2
.4
.6
1
2
Volts
Figure 3
Junction Capacitance
.1 .2 1.4 2 10 20 404 100 200
1
2
6
10
20
100
Junction Capacitance - pFversus
Reverse Voltage - Volts
pF
Volts
60
40
4
400 1000
MCC
TJ=25°C
US1A-1G
US1J-1M
US1A-1D
TJ=25°C
US1G
US1J-1M
Revision: 6 2007/04/05
TM
Micro Commercial Components
www.mccsemi.com
2 of 4
US1A thru US1M
trr
+0.5A
0
-0.25
-1.0
1cm
Set Time Base for 20/100ns/cm
25Vdc
1Ω
50Ω10Ω
Oscilloscope
Note 1
Pulse
Generator
Note 2
Notes:
1. Rise Time = 7ns max.
Input impedance = 1 megohm, 22pF
2. Rise Time = 10ns max.
Source impedance = 50 ohms
3. Resistors are non-inductive
Figure 6
Reverse Recovery Time Characteristic And Test Circuit Diagram
1 100
4
0
5
10
15
8
Figure 4
Peak Forward Surge Current
Peak Forward Surge Current - Amperes versus
Number Of Cycles At 60Hz - Cycles
Amps
Cycles
2610 20 60 80
40
20
25
30
Revision: 6 2007/04/05
MCC TM
Micro Commercial Components
.01 1 10
10
20
40
100
200
60
Figure 5
Peak Forward Surge Current
Peak Forward Surge Current - Amperes versus
Pulse Duration - Milliseconds (mS)
Amps
mS
.02 .06 .1 .2 .6 2 6
400
600
1000
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3 of 4
MCC
Revision: 6 2007/04/05
TM
Micro Commercial Components
www.mccsemi.com
4 of 4
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***APPLICATIONS DISCLAIMER***
***IMPORTANT NOTICE***
Aerospace or Military Applications.
Products offer by Micro Commercial Components Corp .are not intended for use in Medical,
Micro Commercial Components Corp .reserves the right to make changes without further notice to any
product herein to make corrections, modifications , enhancements , improvements , or other changes .
Micro Commercial Components Corp .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 Micro Commercial Components Corp .and all the companies whose
