US2AB THRU US2MB
SURFACE MOUNT ULTRAFAST RECOVERY RECTIFIER
Reverse Voltage - 50 to 1000 V
Forward Current - 2 A
FEATURES
• For surface mounted applications
• Low profile package
• Glass Passivated Chip Junction
• Easy to pick and place
• High efficiency
• Lead free in comply with EU RoHS 2011/65/EU directives
MECHANICAL DATA
• Case: SMB
• Terminals: Solderable per MIL-STD-750, Method 2026
• A pprox. Weight: 0.095g / 0.003oz
PINNING
PIN
1
2
DESCRIPTION
Cathode
Anode
2
1
Top View
Marking Code: US2A~US2M
Simplified outline SMB and symbol
Maximum Ratings and Electrical characteristics
Ratings at 25
°C
ambient temperature unless otherwise specified.
Single phase half-wave 60 Hz, resistive or inductive load, for capacitive load current derate by 20 %.
Parameter
Maximum Repetitive Peak Reverse Voltage
Symbols
US2AB
50
35
50
US2BB
100
70
100
US2DB US2GB
200
140
200
400
280
400
US2JB
600
420
600
US2KB US2MB Units
800
560
800
1000
700
1000
V
V
V
V
RRM
V
RMS
V
DC
I
F(AV)
Maximum RMS voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at T
c
= 125
°C
Peak Forward Surge Current 8.3 ms Single Half
Sine Wave Superimposed on Rated Load
Maximum Instantaneous Forward Voltage at 2 A
Maximum DC Reverse Current
at Rated DC Blocking Voltage
T
a
= 25
°C
T
a
=125
°C
2
A
A
1.65
V
I
FSM
50
V
F
1.0
1.3
5
100
50
60
20
-55 ~ +150
I
R
μA
Maximum Reverse Recovery Time
（1）
（2）
t
rr
R
θJA
C
j
T
j
, T
stg
75
ns
°C/W
pF
°C
Typical Thermal Resistance
Typical Junction Capacitance
at V
R
=4V, f=1MHz
Operating and Storage Temperature Range
（1）Measured
with I
F
= 0.5 A, I
R
= 1 A, I
rr
= 0.25 A .
（2）
P.C.B. mounted with 2.0" X 2.0" (5 X 5 cm) copper pad areas.
2017.04
SMB-U-US2AB~US2MB-2A1KV
Page 1 of 3
US2AB THRU US2MB
Fig.1 Forward Current Derating Curve
2.4
2.0
1.6
1.2
0.8
0.4
Single phase half-wave 60 Hz
resistive or inductive load
Fig.2 Typical Reverse Characteristics
Instaneous Reverse Current（
μ
A）
100
Average Forward Current (A)
T
J
=125
°C
10
1.0
T
J
=25
°C
0.1
00
20
40
60
80
100
120
140
0.0
25
50
75
100
125
150
175
Case Temperature (°C)
percent of Rated Peak Reverse Voltage (%)
Fig.3 Typical Forward Characteristics
Instaneous Forward Current (A)
10
T
J
=25
°C
Fig.4 Maximum Non-Repetitive Peak
Forward Surage Current
Peak Forward Surage Current (A)
70
60
50
40
30
20
10
00
1
8.3 ms Single Half Sine Wave
(JEDEC Method)
1.0
US2AB~US2DB
0.1
US2GB
US2JB~US2MB
0.01
0.001
0
0.5
1.0
1.5
2.0
2.5
10
100
Instaneous Forward Voltage (V)
Number of Cycles
2017.04
www.sdjingdao.com
Page 2 of 3
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