Reverse Voltage: 50 - 400 Volts
Forward Current: 2.0 Amp
CEFA201 Thru CEFA203
www.comchip.com.tw
COMCHIP
COMCHIP
Maximum Ratings and Electrical Characterics
MDS0301003A
Page 1
SMD Efficient Fast Recovery Rectifier
SMD Efficient Fast Recovery Rectifier
Parameter
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 Current
at 1.0 A
Reverse recovery time
Max. DC Reverse Current at Rated DC
Blocking Voltage Ta=25
Ta=100
Max. Thermal Resistance (Note 1)
Operating Junction Temperature
Storage Temperature
Symbol
V
RRM
V
DC
V
RMS
I
FSM
I o
V
F
Trr
I
R
R
JL
T j
T
STG
Unit
V
V
V
A
A
V
nS
uA
Note 1: Thermal resistance from junction to lead P.C.B. Mounted on 8.0x8.0 mm copper pad areas.
CEFA CEFA CEFA
201 202 203
50
50
35
100
100
70
2.0
- 5 5 t o + 1 5 0
20
5.0
250
- 5 5 t o + 1 5 0
200
200
140
C/W
C
C
C
C
Features
Ideal for surface mount applications
Easy pick and place
Plastic package has Underwriters Lab.
flammability classification 94V-0
Super fast recovery time for high efficient
Built-in strain relief
Low forward voltage drop
Mechanical Data
Case: JEDEC DO-214AC molded plastic
Terminals: solderable per MIL-STD-750,
method 2026
Polarity: Color band denotes cathode
end
Mounting position: Any
Approx. Weight:0.063 gram
50
Dimensions in inches and (millimeters)
0.008(0.20)
0.004(0.10)
0.067(1.70)
0.051(1.29)
0.091(2.31)
0.067(1.70)
0.059(1.50)
0.035(0.89)
0.110(2.79)
0.086(2.18)
0.180(4.57)
0.160(4.06)
0.012(0.31)
0.006(0.15)
0.209(5.31)
0.185(4.70)
DO-214AC (SMA)
0.92
25
www.comchip.com.tw
COMCHIP
COMCHIP
SMD Efficient Fast Recovery Rectifier
SMD Efficient Fast Recovery Rectifier
Rating and Characteristic Curves (CEFA201 Thru CEFA203)
F
o
r
w
a
r
d
c
u
r
r
e
n
t
(
A
)
Forward Voltage (V)
Fig.2 - Forward Characteristics
MDS0301003A
Page 2
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
P
e
a
k
S
u
r
g
e
F
o
r
w
a
r
d
C
u
r
r
e
n
t
(
A
)
Fig. 4 - Non Repetitive Forward
Surge Current
Number of Cycles at 60Hz
Fig. 5 - Test Circuit Diagram and Reverse Recovery Time Characteristics
(+)
(+)
25Vdc
(approx.)
( )
( )
PULSE
GENERATOR
(NOTE 2)
OSCILLISCOPE
(NOTE 1)
1
NON-
INDUCTIVE
W
NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF.
2. Rise Time= 10ns max., Source Impedance= 50 ohms.
+0.5A
0
-0.25A
-1.0A
|
|
|
|
|
|
|
|
1cm
SET TIME BASE FOR
50 / 10ns / cm
trr
D.U.T.
10
NONINDUCTIVE
50
NONINDUCTIVE
W
W
0
10
20
50
40
30
1 5 10 50 1 00
10
1.0
0.1
0.01
0.001
0 20 40 60 80 100 120 140
100
10
1.0
0.1
0. 01
Percent of Rated Peak Reverse Voltage (%)
R
e
v
e
r
s
e
C
u
r
r
e
n
t
(
u
A
)
Fig. 1 - Reverse Characteristics
Tj=25 C
Tj=125 C
Tj=25 C
Pulse width 300uS
4% duty cycle
Tj=25 C
8.3mS Single Half Sine
Wave JEDEC methode
Tj=75 C
Single Phase
Half Wave 60Hz
0 25 50 75 100 125 150 175
2.8
2.4
2.0
1.6
1.2
0.8
0.4
0
Fig. 3 - Current Derating Curve
A
v
e
r
a
g
e
F
o
r
w
a
r
d
C
u
r
r
e
n
t
(
A
)
Ambient Temperature ( C)
PDF 
ZIP