SMD Ultra Fast Recovery Rectifiers
Reverse Voltage: 50 to 1000 Volts
Forward Current: 3.0 Amp
RoHS Device
Page 1
REV:B
Features
-Ideal for surface mount applications.
-Easy pick and place.
-Plastic package has Underwriters Lab.
flammability classification 94V-0.
-Fast recovery time: 50~75nS.
-Low leakage current.
Mechanical data
-Case: JEDEC DO-214AB, molded plastic.
-Terminals: solderable per MIL-STD-750,
method 2026.
-Polarity: Color band denotes cathode end.
-Approx. weight: 0.21 grams
CURC301-G Thru. CURC307-G
Maximum Ratings and Electrical Characteristics
Dimensions in inches and (millimeter)
DO-214AB (SMC)
QW-BU004
CURC
301-G
2
Notes: 1. Thermal resistance from junction to lead mounted on P.C.B. with 8.0×8.0 mm square land area.
Comchip Technology CO., LTD.
Max. repetitive peak reverse voltage
Max. DC blocking voltage
Max. RMS voltage
Peak surge forward current, 8.3ms
single half sine-wave superimposed
on rate load (JEDEC method)
Max. average forward current
Max. instantaneous forward voltage
at 3.0A
Reverse recovery time
Max. DC reverse current at TA=25°C
rated DC blocking voltage TA=125°C
Max. thermal resistance (Note 1)
Max. operating junction temperature
Storage temperature
CURC
302-G
CURC
303-G
CURC
304-G
CURC
305-G UnitsSymbolParameter
VRRM
VDC
VRMS
IFSM
IO
VF
Trr
IR
RθJL
TJ
TSTG
50
50
35
100
100
70
1.0
200
200
140
400
400
280
100
3.0
1.3
5.0
150
20
150
-55 to +150
600
600
420
V
V
V
A
A
V
nS
μA
OC/W
OC
OC
CURC
306-G
CURC
307-G
800
800
560
1.7
75
1000
1000
700
50
0.245(6.22)
0.220(5.59)
0.126(3.20)
0.114(2.90)
0.320(8.13)
0.305(7.75) 0.012(0.305)
0.006(0.152)
0.008(0.203)Max
0.060(1.52)
0.030(0.76)
0.103(2.62)
0.079(2.06)
0.280(7.11)
0.260(6.60)
Company reserves the right to improve product design , functions and reliability without notice.
QW-BU004
RATING AND CHARACTERISTIC CURVES (CURC301-G thru CURC307-G)
Percent of Rated Peak Reverse Voltage (%)
8060200
Fig.1 Reverse Characteristics
0.1
1
10
100
1000
Rever e urr n(μ)
s C e t A
Forward Voltage (V)
0
Fig.2 Forward Characteristics
0.01
o w rd C rren (A)
F r a ut
0.1
1
10
100
0.4
Reverse Voltage (V)
0.1
Fig.3 Junction Capacitance
1
Jn ti n apacian ce(p )
u c o C t F
10
100
200
1 10 100
Number of Cycles at 60Hz
Fig.4 Non-repetitive Forward Surge Current
0
Peak F orward Surge C urrent A )
(
60
100
Comchip Technology CO., LTD.
Page 2
REV:B
0.2 0.6 1.80.8
1 10 100
20
80
Fig.5 Test Circuit Diagram and Reverse Recovery Time Characteristics
50Ω
NONINDUCTIVE
10Ω
NONINDUCTIVE
(+)
25Vdc
(approx.)
(-)
D.U.T.
1Ω
NON-
INDUCTIVE
OSCILLLISCOPE
(NOTE 1)
PULSE
GENERATOR
(NOTE 2)
(+)
(-)
NOTES: 1. Rise time=7ns max., input impedance=1 MΩ, 22pF.
2. Rise time=10ns max., input impedance=50Ω.
trr
Set time base for
50 / 10nS / cm
1cm
-1.0A
-0.25A
0
+0.5A
Fig.6 Current Derating Curve
O
Ambient Temperature ( C)
Average Forward Current (A)
0 5025 75 100 150125 175
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
Single phase
Half wave 60Hz
SMD Ultra Fast Recovery Rectifiers
40 140
40
O
TJ=25 C
8.3ms single half sine
wave, JEDEC method
100 120
O
TJ=125 C
O
TJ=25 C
O
TJ=25 C
Pulse width 300μS
4% duty cycle
1.21.0 1.4 1.6
CURC301-G~303-G
CURC304-G
CURC305-G~307-G
O
TJ=25 C
f=1MHz
Vsig=50mVp-p
Company reserves the right to improve product design , functions and reliability without notice.
Comchip Technology CO., LTD.
Page 3
REV:B
Polarity
B C dD D2D1
SYMBOL
A
(mm)
(inch)
8.00 0.10±
1.50 ± 0.1
4.00 0.10± 2.00 0.05± 16.0 ± 0.30
0.060 0.039±
SYMBOL
(mm)
(inch) 0.630 0.012±
0.315 0.004± 0.157 0.004± 0.079 0.002±
E F P P0P1WW1
1.75 0.10±
0.069 0.004±
7.50 0.10±
0.295±0.004
6.3 Max 8.6 Max
0.339 Max
SMC
(DO-214AB)
SMC
(DO-214AB)
0.248 Max
2.9 Max
0.114 Max
330 ± 2.0
13.00 ± 0.079
50.0 min
1.969 min
13.5 ± 1
0.531 0.039±
22.4 Max
0.882 Max
QW-BU004
Reel Taping Specification
o
120
Trailer Device Leader
10 pitches (min)10 pitches (min)
.......
.......
....... ..............
....... ..............
End Start
D1
D2
D
W1
T
C
Direction of Feed
Index hole
d
E
F
B W
P
P0
P1
A
SMD Ultra Fast Recovery Rectifiers
Company reserves the right to improve product design , functions and reliability without notice.
Comchip Technology CO., LTD.
Page 4
REV:B
Part Number
301
Marking Code
Marking Code
Standard Packaging
Case Type
Qty per Reel
(Pcs)
3,000
Reel Size
(inch)
13
CURC301-G
DO-214AB (SMC)
CURC302-G
CURC303-G
CURC304-G
CURC305-G
302
303
304
305
CURC306-G
CURC307-G
306
307
C
XXX
Comchip logo
PKG
SMCC
Product type marking code
Package:
X
X
Special code
CURX
U
Special code:
Suggested PAD Layout
SIZE
(inch)
0.244
(mm)
6.20
1.60
4.80
0.063
0.189
7.80 1.441
E4.6 0.181
B
C
D
A
A
B
C
E
D
DO-214AB (SMC)
QW-BU004
SMD Ultra Fast Recovery Rectifiers
Company reserves the right to improve product design , functions and reliability without notice.
