Reverse Voltage: 50 to 1000 Volts
Forward Current: 2 Amp
RoHS Device
Halogen Free
Features
- Low profile package.
- For surface mounted applications.
- High efficiency.
- Glass passivated chip junction.
- Easy to pick and place.
SMD Ultra Fast Recovery Rectifiers
Page 1
REV:A
US2A-HF Thru. US2M-HF
Comchip Technology CO., LTD.
Company reserves the right to improve product design , functions and reliability without notice.
QW-JU010
Mechanical data
- Case: SMA
- Terminals: Solderable per MIL-STD-750,
method 2026.
SMA/DO-214AC
Dimensions in inches and (millimeter)
0.177(4.50)
0.157(4.00)
0.051(1.30)
0.063(1.60)
0.091(2.30)
0.106(2.70)
0.205(5.20)
0.185(4.70)
0.087(2.20)
0.075(1.90)
0.035(0.90)
0.059(1.50)
0.012(0.31)
0.006(0.15)
Typ.
0.012(0.30)
Circuit Diagram
Cathode Anode
Maximum Ratings and Electrical Characteristics
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.
Ratings at 25°C ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz resistive or inductive load, for capacitive load, derate by 20%
Maximum DC blocking voltage
Parameter
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum average forward rectified current
50 V
35 V
V
2A
Units
50
VRRM
VRMS
VDC
IF(AV)
Symbols
100
70
100
400
400
1000
1000
600
420
600
280 700
A
V
µA
ns
Peak forward surge current, 8.3ms
single half sine-wave superimposed
on rated load
Max. instantaneous forward voltage at 2A
Maximum DC reverse current Ta = 25°C
at rated DC blocking voltage Ta =125°C
IFSM
VF1.0 1.3 1.65
50 75
50
5
100
IR
65
Typical thermal resistance (Note 2) °C/W
RθJA
Tj, Tstg
Operating and storage temperature range -55 ~ +150 °C
US2A
-HF
US2B
-HF
US2D
-HF
US2J
-HF
US2G
-HF
US2K
-HF
US2M
-HF
200
200
140
800
560
800
trr
Maximum reverse recovery time (Note 1)
at Tc =125°C
RθJC
20
Rating and Characteristic Curves (US2A-HF Thru. US2M-HF)
Page 2
REV:A
Comchip Technology CO., LTD.
Company reserves the right to improve product design , functions and reliability without notice.
Fig.2 - Typical Reverse Characteristics
Instantaneous Reverse Current, (μA)
Percent of Rated Peak Reverse Voltage, (%)
Fig.1 - Forward Current Derating Curve
Average Forward Current, (A)
Case Temperature, (°C)
Fig.3 - Typical Forward Characteristic
Instantaneous Forward Current, (A)
Instantaneous Forward Voltage, (V)
0 25 15050 75 100 125
0
2.5
0.5
1.0
2.0
3.0
0 20 40 60 80 140
0
0.1
1.0
10
100
0.5 2.51.0 1.5
0.001
1.0
10
0.01
Single phase half-wave 60Hz
resistive or inductive load
1.5
Fig.4 - Maximum Non-Repetitive Peak
Forward Surge Current
Peak Forward Surge Current, (A)
Number of Cycles
110 100
20
0
10
50
60
8.3ms single half sine wave
(JEDEC Method)
30
40
SMD Ultra Fast Recovery Rectifiers
TJ=25°C
TJ=125°C
100 120
0.1
2.0
QW-JU010
US2G-HF
US2J-HF~US2M-HF
TJ=25°C
US2A-HF~US2D-HF
Page 3
REV:A
Comchip Technology CO., LTD.
Company reserves the right to improve product design , functions and reliability without notice.
SMD Ultra Fast Recovery Rectifiers
QW-JU010
Reel Taping Specification
Trailer Device Leader
.......
.......
....... ..............
....... ..............
End Start
Direction of Feed
400mm (min)160mm (min)
DO-214AC
(SMA)
SYMBOL
(mm)
(inch)
E F P P0P1T W W1
DO-214AC
(SMA)
SYMBOL
(mm)
(inch)
A B CdD D1D2
2.70 ± 0.10 13.00 ± 0.205.33 ± 0.10 2.35 ± 0.10 1.55 ± 0.05 330 ± 2.00
0.106 ± 0.004 0.210 ± 0.004 0.093 ± 0.004 0.061 ± 0.002 12.992 ± 0.079 0.512 ± 0.008
0.069 ± 0.004 0.217 ± 0.002 0.157 ± 0.004 0.157 ± 0.004 0.079 ± 0.004 0.008 ± 0.001 0.472 ± 0.012
1.75 ± 0.10 5.50 ± 0.05 4.00 ± 0.10 4.00 ± 0.10 2.00 ± 0.10 0.20 ± 0.03 12.00 ± 0.30 14.70 + 2.00
− 1.00
2.953 ± 0.039
75.00 ± 1.00
0.579 + 0.079
− 0.039
o
120
D
D1
D2
W1
Index hole
A
B
C
d
E
F
P
P0
P1
T
W
Page 4
REV:A
Comchip Technology CO., LTD.
Company reserves the right to improve product design , functions and reliability without notice.
SMD Ultra Fast Recovery Rectifiers
QW-JU010
Standard Packaging
Case Type
5,000
REEL
( pcs )
Reel Size
(inch)
13
REEL PACK
DO-214AC
(SMA)
Part Number Marking Code
Marking Code
US2A-HF US2A
US2B
US2D
US2G
US2J
XXXX
Cathode band
xxxx = Product type marking code
Product type marking code
Suggested PAD Layout
SIZE
(inch)
0.094
(mm)
2.40
1.80
1.80
0.071
0.071
6.00 0.236
A
B
C
D
DO-214AC (SMA)
Note: 1. The pad layout is for reference purpose only.
A
B
C
D
US2K
US2M
US2B-HF
US2D-HF
US2G-HF
US2J-HF
US2K-HF
US2M-HF
