SMD Ultra Fast Recovery Rectifiers
US3AB-HF Thru. US3MB-HF
Reverse Voltage: 50 to 1000 Volts
Forward Current: 3 Amp
RoHS Device
Halogen Free
SMB/DO-214AA
Features
- For surface mounted applications.
0.185(4.70)
0.160(4.06)
- Low profile package.
0.087(2.20)
0.075(1.90)
0.146(3.70)
0.130(3.30)
- Glass passivated chip junction.
- Easy to pick and place.
- High efficiency.
0.213(5.40)
0.200(5.08)
0.012(0.305)
0.006(0.152)
Mechanical data
0.096(2.44)
0.084(2.13)
- Case: SMB
- Terminals: Solderable per MIL-STD-750,
method 2026.
0.059(1.50)
0.031(0.80)
0.008(0.20)
0.002(0.05)
Circuit Diagram
Dimensions in inches and (millimeter)
Cathode
Anode
Maximum Ratings and Electrical Characteristics
Ratings at 25°C ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz resistive or inductive load, for capacitive load, derate by 20%
US3AB US3BB US3DB US3GB
US3JB
-HF
US3KB US3MB
Symbols
VRRM
Parameter
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Units
-HF
-HF
-HF
-HF
-HF
-HF
50
100
200
400
600
420
600
800
1000
V
V
V
A
VRMS
35
50
70
140
200
280
400
3
560
800
700
Maximum DC blocking voltage
VDC
100
1000
Maximum average forward rectified current
IF(AV)
Peak forward surge current, 8.3ms
single half sine-wave superimposed
on rated load
IFSM
90
A
Max. instantaneous forward voltage at 3A
VF
IR
1.0
1.3
1.68
75
V
Maximum DC reverse current
at rated DC blocking voltage
Ta = 25°C
Ta =125°C
5
100
µA
ns
Maximum reverse recovery time (Note 1)
Typical thermal resistance (Note 2)
trr
50
RθJA
RθJC
45
15
°C/W
°C
Operating and storage temperature range
Tj, Tstg
-55 ~ +150
Notes: 1. Measured with IF = 0.5A, IR = 1A, Irr = 0.25A.
2. P.C.B. mounted with 2.0" x 2.0" (5 x 5 cm) copper pad areas.
Company reserves the right to improve product design , functions and reliability without notice.
REV:A
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QW-JU011
Comchip Technology CO., LTD.