山东晶导微电子有限公司
Jingdao Microelectronics
Surface Mount Ultrafast Recovery Rectifier
Reverse Voltage – 50V~1000 V
Forward Current – 3.0 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: SMBF
• Terminals: Solderable per MIL-STD-750, Method 2026
• A pprox. Weight: 5 7mg / 0.002oz
Maximum Ratings and Electrical characteristics
US3ABF THRU US3MBF
PINNING
PIN
1
2
DESCRIPTION
Cathode
Anode
1
2
Top View
Marking Code: U3AB~U3MB
Simplified outline SMBF symbol
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
US3ABF
US3BBF
US3DBF
US3GBF
US3JBF
US3KBF
US3MBF
Units
V
V
V
V
RRM
V
RMS
V
DC
I
F(AV)
50
35
50
100
70
100
200
140
200
400
280
400
600
420
600
800
560
800
1000
700
1000
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 3 A
Maximum DC Reverse Current
at Rated DC Blocking Voltage
T
a
= 25
°C
T
a
=125
°C
3
A
A
1.68
V
I
FSM
80
V
F
1.0
1.3
5
100
50
45
15
-55 ~ +150
I
R
μA
Maximum Reverse Recovery Time
（1）
t
rr
R
θJA
R
θJC
T
j
, T
stg
75
ns
°C/W
°C
Typical Thermal Resistance
（2）
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.
2016.01
SMBF-U-US3ABF~US3BMF-3A1KV
Page 1 of 3
山东晶导微电子有限公司
Jingdao Microelectronics
US3ABF THRU US3MBF
Fig.1 Maximum Average Forward Current Rating
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
25
50
75
100
125
150
175
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
Case Temperature (°C)
percent of Rated Peak Reverse Voltage (%)
Fig.3 Typical Forward Characteristics
Peak Forward Surage Current (A)
Instaneous Forward Current (A)
10
120
100
80
60
40
20
00
1
Fig.4 Maximum Non-Repetitive Peak
Forward Surage Current
T
J
=25
°C
1.0
US3ABF~US3DBF
0.1
US3GBF
US3JBF~US3MBF
0.01
8.3 ms Single Half Sine Wave
(JEDEC Method)
0.001
0
0.5
1.0
1.5
2.0
2.5
10
100
Instaneous Forward Voltage (V)
Number of Cycles
2016.01
www.sdjingdao.com
Page 2of 3
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