Rectifiers. US2B Datasheet

US2B Datasheet PDF


US2B
US2A THRU US2M
2A Surface Mount Ultra Fast Rectifiers
Features
Low profile surface mounted application in order to
optimize board space.
High current capability.
High surge capability.
• Ultrafast recovery time for high efficiency.
Glass passivated chip junction.
• Suffix "G" indicates Halogen free parts, ex. US2AG.
Lead-free parts meet environmental standards of
MIL-STD-19500 /228
Mechanical data
Epoxy:UL94-V0 rated flame retardant
Case : Molded plastic, DO-214AA / SMB
Terminals : Solder plated, solderable per
MIL-STD-750, Method 2026
Polarity : Indicated by cathode band
Weight : 0.003 ounce, 0.091 gram
Outline
SMB(DO-214AA)
0.08 7 (2.20 )
0.07 1 (1.80 )
Marking code
0.15 7 (4.00 )
0.13 0 (3.30 )
0.12 6 (3.20 )
0.08 3 (2.10 )
0.06 3 (1.60 )
0.02 8 (0.70 )
0.19 1 (4.85 )
0.15 7 (4.00 )
0.012 (0.3 1)
MAX.
0.22 0 (5.60 )
0.19 7 (5.00 )
0.008 (0.2 1)
MAX.
Dimensions in inches and (millimeters)
Maximum ratings and electrical characteristics
Rating at 25OC ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Parameter
Forward rectified current
Forward surge current
Reverse current
Storage temperature
Conditions
8.3ms single half sine-wave superimposed on
rate load (JEDEC method)
VR = VRRM TA = 25OC
VR = VRRM TA = 125OC
Symbol
IO
IFSM
IR
TSTG
MIN.
-55
TYP.
MAX.
2.0
50
5.0
100
+150
UNIT
A
A
uA
OC
Symbol
Marking code
Max.
repetitive peak
reverse voltage
VRRM (V)
US2A
US2A
50
US2B
US2B
100
US2D
US2D
200
US2G
US2G
400
US2J
US2J
600
US2K
US2K
800
US2M
US2M
Note : 1. IF = 0.5A, IR = 1.0A , IRR = 0.25A
1000
Max.
RMS voltage
VRMS (V)
35
70
140
280
420
560
700
Max. DC
blocking voltage
VR (V)
50
100
200
400
600
800
1000
Max.
forward voltage
@2A, TA = 25OC
VF (V)
1.0
1.40
1.70
Max.
reverse recovery
time(1)
Trr (ns)
Operating
temperature
TJ (OC)
50
-55 ~ +150
75
Document ID : DS-12H09
1 Issued Date : 2010/05/05
Revised Date : 2012/05/31
Revision : C


Part US2B
Description 2A Surface Mount Ultra Fast Rectifiers
Feature US2B; US2A THRU US2M 2A Surface Mount Ultra Fast Rectifiers ■ Features • Low profile surface mounted appl.
Manufacture CITC
Datasheet
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US2B
US2A THRU US2M
2A Surface Mount Ultra Fast Rectifiers
Rating and characteristic curves
FIG.1-TYPICAL FORWARD
CHARACTERISTICS
10
1.0
.1
TJ=25 C
Pulse Width 300us
1% Duty Cycle
.01
.001 .4
.6 .8 1.0 1.2 1.4 1.6
FORWARD VOLTAGE,(V)
1.8
FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTICS
50Ω
NONINDUCTIVE
10Ω
NONINDUCTIVE
(+)
25Vdc
(approx.)
()
D.U.T.
1Ω
NON-
INDUCTIVE
OSCILLISCOPE
(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.
+0.5A
0
-0.25A
trr
|
|
|
|
|
|
|
|
-1.0A
1cm
SET TIME BASE FOR
50 / 10ns / cm
FIG.2-TYPICAL FORWARD CURRENT
DERATING CURVE
2.4
2.0
1.6
1.2
Single Phase
0.8 Half Wave 60Hz
Resistive Or Inductive Load
0.4 0.375"(9.5mm) Lead Length
0
0 25 50 75 100 125 150
AMBIENT TEMPERATURE (OC)
175
FIG.4-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
100
80
60
TJ=25OC
8.3ms Single Half
40 Sine Wave
JEDEC method
20
0
1
5 10
50 100
NUMBER OF CYCLES AT 60Hz
Document ID : DS-12H09
2 Issued Date : 2010/05/05
Revised Date : 2012/05/31
Revision : C



US2B
US2A THRU US2M
2A Surface Mount Ultra Fast Rectifiers
SMB foot print
C
A
B
ABC
0.091 (2.30) 0.098 (2.50) 0.071 (1.80)
Dimensions in inches and (millimeters)
CITC reserves the right to make changes to this document and its products and specifications at any
time without notice.
Customers should obtain and confirm the latest product information and specifications before final
design, purchase or use.
CITC makes no warranty, representation or guarantee regarding the suitability of its products for any
particular purpose, nor does CITC assume any liability for application assistance or customer product
design.
CITC does not warrant or accept any liability with products which are purchased or used for any
unintended or unauthorized application.
No license is granted by implication or otherwise under any intellectual property rights of CITC.
CITC products are not authorized for use as critical components in life support devices or systems
without express written approval of CITC.
http://www.citcorp.com.tw/
Tel:886-3-5600628
Fax:886-3-5600636
Add:Rm. 3, 2F., No.32, Taiyuan St., Zhubei City, Hsinchu County 302, Taiwan (R.O.C.)
3
Document ID : DS-12H09
Issued Date : 2010/05/05
Revised Date : 2012/05/31
Revision : C




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