US2AB THRU US2MB
Reverse Voltage - 50 to 1000 Volts
Forward Current - 2.0 Ampere
SURFACE MOUNT ULTRA FAST RECTIFIER
Features
DO-214AA/SMB
The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
For surface mounted applications
Ultra fast switching for high efficiency
0.155(3.94)
0.130(3.30)
0.086 (2.20)
0.071 (1.80)
Low reverse leakage
Built-in strain relief,ideal for automated placement
High forward surge current capability
0.185(4.70)
0.160(4.06)
High temperature soldering guaranteed
0.012(0.305)
0.006(0.152)
250 °C/10 seconds at terminals
0.096(2.44)
0.084(2.13)
Mechanical Data
0.060(1.52)
0.030(0.76)
Case : JEDEC DO-214AA/SMB Molded plastic body
Terminals : Solder plated, solderable per MIL-STD-750,Method 2026
Polarity : Polarity symbol marking on body
Mounting Position : Any
Weight : 0.003 ounce, 0.095 grams
0.008(0.203)MAX.
0.220(5.59)
0.200(5.08)
Dimensions in inches and (millimeters)
Maximum Ratings And Electrical Characteristics
Ratings at 25°C ambient temperature unlss otherwise specified.
Single phase half-wave 60Hz,resistive or inductive load,for capacitive load current derate by 20%.
US2AB US2BB US2DB US2GB US2JB US2KB US2MB
Parameter
SYMBOLS
Marking Code
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
at TL=55℃
Peak forward surge current
8.3ms single half sine-wave
superimposed onrated load (JEDEC Method)
Maximum instantaneous forward voltage at 2.0A
Maximum DC reverse current
at rated DCblocking voltage
Maximum reverse recovery time
TA=25℃
TA=125℃
(NOTE 1)
Typical junction capacitance (NOTE 2)
Typical thermal resistance (NOTE 3)
Operating junction and storage temperature range
VRRM
VRMS
VDC
MDD
MDD
MDD
MDD
MDD
MDD
MDD
US2AB US2BB US2DB US2GB US2JB US2KB US2MB
50
35
50
100
70
100
200
140
200
400
280
400
600
420
600
800
560
800
1000
700
1000
UNITS
V
V
V
I(AV)
2.0
A
IFSM
50
A
VF
1.0
1.40
5.0
350.0
IR
trr
50
1.70
V
μA
75
ns
CJ
RJA
28.0
pF
20.0
℃/W
TJ,TSTG
-55 to +150
℃
Note:1.Reverse recovery condition IF=0.5A,IR=1.0A,Irr=0.25A
2.Measured at 1MHz and applied reverse voltage of 4.0V D.C.
3.P.C.B. mounted with 0.2x0.2”(5.0x5.0mm) copper pad areas
DN:T20825A0
http://www.microdiode.com
Rev:2020A1
Page :1
US2AB THRU US2MB
Reverse Voltage - 50 to 1000 Volts
Forward Current - 2.0 Ampere
FIG. 1- FORWARD CURRENT DERATING CURVE
2.0
1.6
1.2
Single Phase
Half Wave 60Hz
Resistive or
inductive Load
0.8
0.4
0
0
25
50
75
100
125
150
PEAK FORWARD SURGE CURRENT,
AMPERES
AVERAGE FORWARD RECTIFIED CURRENT,
AMPERES
Ratings And Characteristic Curves
FIG. 2-MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
50
40
30
20
10
175
0
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
1
10
AMBIENT TEMPERATURE, C
20
TJ=25 C
PULSE WIDTH=300 µs
1%DUTY CYCLE
1
0.1
US2AB-US2DB
US2GB
US2JB-US2MB
0.01
0.2
0.6
1.0
1.4
1.8
2.0
FIG. 4-TYPICAL REVERSE CHARACTERISTICS
INSTANTANEOUS REVERSE CURRENT,
MICROAMPERES
INSTANTANEOUS FORWARD
CURRENT,AMPERES
FIG. 3-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
10
1,000
100
TJ=100 C
10
1
TJ=25 C
0.1
0.01
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
TJ=25 C
10
TRANSIENT THERMAL IMPEDANCE,
C/W
FIG. 5-TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE, pF
0
20
40
60
80
100
PERCENT OF PEAK REVERSE VOLTAGE,%
200
100
100
NUMBER OF CYCLES AT 60 Hz
FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE
100
10
1
0.1
0.01
0.1
1
10
100
1
0.1
1.0
10
100
REVERSE VOLTAGE,VOLTS
t,PULSE DURATION,sec.
The curve above is for reference only.
http://www.microdiode.com
Rev:2020A1
Page :2
US2AB THRU US2MB
Reverse Voltage - 50 to 1000 Volts
Forward Current - 2.0 Ampere
Packing information
P0
P1
unit:mm
d
E
Item
F
B
A
Symbol
Tolerance
SMB
A
B
C
d
D
D1
D2
E
F
P
P0
P1
T
W
W1
0.1
0.1
0.1
0.05
2.0
min
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.3
1.0
3.81
5.41
2.42
1 5.0
330.00
50.00
13.00
1.75
5.55
8.00
4.00
2.00
0.30
12.00
12.30
W
Carrier width
Carrier length
Carrier depth
Sprocket hole
13" Reel outside diameter
13" Reel inner diameter
Feed hole diameter
Sprocket hole position
Punch hole position
Punch hole pitch
Sprocket hole pitch
Embossment center
Overall tape thickness
Tape width
Reel width
P
D2
D1
T
C
W1
D
Note:Devices are packed in accor dance with EIA standar RS-481-A and specifications listed above.
Reel packing
PACKAGE
REEL SIZE
REEL
(pcs)
COMPONENT
SPACING
(mm)
BOX
(pcs)
INNER
BOX
(mm)
REEL
DIA,
(mm)
SMB
13"
3,000
4.0
6,000
190*190*41
330
CARTON
SIZE
(mm)
365*365*360
CARTON
(pcs)
48,000
APPROX.
GROSS WEIGHT
(kg)
14.0
Suggested Pad Layout
Symbol
A
B
C
D
E
Unit (mm)
2.8
2.4
Unit (inch)
0.110
4.6
0.094
0.181
2.2
7.0
0.086
0.276
Important Notice and Disclaimer
Microdiode Electronics (Jiangsu) 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.
Microdiode Electronics (Jiangsu) makes no warranty, representation or guarantee regarding the suitability of its
products for any particular purpose, not does Microdiode Electronics (Jiangsu) assume any liability for application
assistance or customer product design. Microdiode Electronics (Jiangsu) 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 Microdiode
Electronics (Jiangsu).
Microdiode Electronics (Jiangsu) products are not authorized for use as critical components in life support
devices or systems without express written approval of Microdiode Electronics (Jiangsu).
http://www.microdiode.com
Rev:2020A1
Page :3
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