Document Number: 89274 For technical questions within your region, please contact one of the following: www.vishay.com
Revision: 19-Apr-11 DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com 1
This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
Surface Mount Ultrafast Rectifier
US1A thru US1M
Vishay General Semiconductor
New Product
FEATURES
• Low profile package
• Ideal for automated placement
• Glass passivated chip junction
• Ultrafast reverse recovery time
• Low switching losses, high efficiency
• High forward surge capability
• Meets MSL level 1, per J-STD-020, LF maximum peak of
260 °C
• Compliant to RoHS Directive 2002/95/EC and in
accordance to WEEE 2002/96/EC
•Halogen-free according to IEC 61249-2-21 definition
TYPICAL APPLICATIONS
For use in high frequency rectification and freewheeling
application in switching mode converters and inverters for
consumer, computer, and telecommunication.
MECHANICAL DATA
Case: DO-214AC (SMA)
Molding compound meets UL 94 V-0 flammability rating
Base P/N-M3 - halogen-free, RoHS compliant, and
commercial grade
Terminals: Matte tin plated leads, solderable per
J-STD-002 and JESD 22-B102
M3 suffix meets JESD 201 class 1A whisker test
Polarity: Color band denotes cathode end
PRIMARY CHARACTERISTICS
IF(AV) 1.0 A
VRRM 50 V to 1000 V
IFSM 30 A
trr 50 ns, 75 ns
VF1.0 V, 1.7 V
TJ max. 150 °C
DO-214AC (SMA)
MAXIMUM RATINGS (TA = 25 °C unless otherwise noted)
PARAMETER SYMBOL US1A US1B US1D US1G US1J US1K US1M UNIT
Device marking code UA UB UD UG UJ UK UM
Maximum repetitive peak reverse voltage VRRM 50 100 200 400 600 800 1000 V
Maximum RMS voltage VRMS 35 70 140 280 420 560 700 V
Maximum DC blocking voltage VDC 50 100 200 400 600 800 1000 V
Maximum average forward rectified current at TL = 110 °C IF(AV) 1.0 A
Peak forward surge current 8.3 ms single half sine-wave
superimposed on rated load IFSM 30 A
Operating and storage temperature range TJ, TSTG - 55 to + 150 °C
www.vishay.com For technical questions within your region, please contact one of the following: Document Number: 89274
2DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com Revision: 19-Apr-11
This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
US1A thru US1M
Vishay General Semiconductor
New Product
Note
(1) Pulse test: 300 μs pulse width, 1 % duty cycle
Note
(1) PCB mounted on 0.2" x 0.2" (5.0 mm x 5.0 mm) copper pad area
RATINGS AND CHARACTERSITICS CURVES
(TA = 25 °C unless otherwise noted)
Fig. 1 - Forward Current Derating Curve Fig. 2 - Maximum Non-Repetitive Peak Forward Surge Current
ELECTRICAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
PARAMETER TEST CONDITIONS SYMBOL US1A US1B US1D US1G US1J US1K US1M UNIT
Maximum instantaneous
forward voltage 1.0 A VF (1) 1.0 1.7 V
Maximum DC reverse current
at rated DC blocking voltage
TA = 25 °C
IR
10
μA
TA = 100 °C 50
Maximum reverse recovery
time
IF = 0.5 A, IR = 1.0 A,
Irr = 0.25 A trr 50 75 ns
Typical junction capacitance 4.0 V, 1 MHz CJ15 10 pF
THERMAL CHARACTERISTICS (TA = 25 °C unless otherwise noted)
PARAMETER SYMBOL US1A US1B US1D US1G US1J US1K US1M UNIT
Maximum thermal resistance
RJA (1) 75
°C/W
RJL (1) 27
ORDERING INFORMATION (Example)
PREFERRED P/N UNIT WEIGHT (g) PREFERRED PACKAGE CODE BASE QUANTITY DELIVERY MODE
US1J-M3/61T 0.064 61T 1800 7" diameter plastic tape and reel
US1J-M3/5AT 0.064 5AT 7500 13" diameter plastic tape and reel
0
0.4
1.2
07525 50 100 125 150
0.8
0.2
0.6
1.0
Resistive or Inductive Load
Lead Temperature (°C)
Average Forward Rectified Current (A)
0.2" x 0.2" (5.0 mm x 5.0 mm)
Copper Pad Areas
0
15
20
25
10
5
30
Number of Cycles at 60 Hz
Peak Forward Surge Current (A)
1 10 100
T
L
= 110 °C
8.3 ms Single Half Sine-Wave
Document Number: 89274 For technical questions within your region, please contact one of the following: www.vishay.com
Revision: 19-Apr-11 DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com 3
This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
US1A thru US1M
Vishay General Semiconductor
New Product
Fig. 3 - Typical Instantaneous Forward Characteristics
Fig. 4 - Typical Reverse Leakage Characteristics
Fig. 5 - Typical Instantaneous Forward Characteristics
Fig. 6 - Typical Reverse Leakage Characteristics
Fig. 7 - Typical Junction Capacitance
Fig. 8 - Typical Transient Thermal Impedance
TJ = 150 °C
TJ = 125 °C
TJ = 100 °C
TJ = 25 °C
100
10
1
0.1
0.01
0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7
Instantaneous Forward Voltage (V)
Instantaneous Forward Current (A)
US1A thru US1G
Percent of Rated Peak Reverse Voltage (%)
0 20406080100
T
J
= 150 °C
T
J
= 125 °C
T
J
= 100 °C
T
J
= 25 °C
100
10
1
0.1
0.01
Instantaneous Reverse Leakage
Current (µA)
US1A thru US1G
T
J
= 150 °C
T
J
= 125 °C
T
J
= 100 °C
T
J
= 25 °C
0.2 0.7 1.2 1.7 2.2 2.7 3.2
Instantaneous Forward Voltage (V)
Instantaneous Forward Current (A)
100
10
1
0.1
0.01
US1J thru US1M
T
J
= 150 °C
T
J
= 125 °C
T
J
= 100 °C
T
J
= 25 °C
Percent of Rated Peak Reverse Voltage (%)
1000
100
10
1
0.1
0.01
0 20 40 60 80 100
Instantaneous Reverse Leakage
Current (µA)
US1J thru US1M
Reverse Voltage (V)
0.1 1 10 100
100
10
1
Junction Capacitance (pF)
TJ = 25 °C
f = 1.0 MHz
Vsig = 50 mVp-p
US1J thru US1M
US1A thru US1G
0.01 0.1 1 10 100
100
10
1
0.1
Transient Thermal Impedance (°C/W)
t - Pulse Duration (s)
www.vishay.com For technical questions within your region, please contact one of the following: Document Number: 89274
4DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com Revision: 19-Apr-11
This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
US1A thru US1M
Vishay General Semiconductor
New Product
PACKAGE OUTLINE DIMENSIONS in inches (millimeters)
0.008 (0.203)
0.194 (4.93)
0.208 (5.28)
0.157 (3.99)
0.177 (4.50)
0.100 (2.54)
0.110 (2.79)
0.078 (1.98)
0.090 (2.29)
0.006 (0.152)
0.012 (0.305)
0.049 (1.25)
0.065 (1.65)
Cathode Band
0 (0)
DO-214AC (SMA)
Mounting Pad Layout
0.074 (1.88)
MAX.
0.208 (5.28)
REF.
0.066 (1.68)
MIN.
0.060 (1.52)
MIN.
0.030 (0.76)
0.060 (1.52)
Legal Disclaimer Notice
www.vishay.com Vishay
Revision: 12-Mar-12 1Document Number: 91000
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
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“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
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the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
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requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements
about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular
product with the properties described in the product specification is suitable for use in a particular application. Parameters
provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All
operating parameters, including typical parameters, must be validated for each customer application by the customer’s
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including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
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Material Category Policy
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the
definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(EEE) - recast, unless otherwise specified as non-compliant.
Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.
