SMD Efficient Fast Recovery Rectifier
COMCHIP
www.comchip.com.tw
CEFA201 Thru CEFA203
Reverse Voltage: 50 - 400 Volts
Forward Current: 2.0 Amp
Features
DO-214AC (SMA)
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
0.067(1.70)
0.051(1.29)
0.180(4.57)
0.160(4.06)
0.110(2.79)
0.086(2.18)
0.012(0.31)
0.006(0.15)
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
0.091(2.31)
0.067(1.70)
0.059(1.50)
0.035(0.89)
0.008(0.20)
0.004(0.10)
0.209(5.31)
0.185(4.70)
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characterics
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
C
Ta=100
C
Max. Thermal Resistance (Note 1)
Operating Junction Temperature
Storage Temperature
Symbol
V
RRM
V
DC
V
RMS
I
FSM
CEFA
201
50
50
35
CEFA
202
100
100
70
CEFA
203
200
200
140
Unit
V
V
V
A
50
Io
V
F
Trr
I
R
R
2.0
0.92
25
A
V
nS
uA
5.0
250
20
-55 to +150
-55 to +150
JL
C/W
C
C
Tj
T
STG
Note 1: Thermal resistance from junction to lead P.C.B. Mounted on 8.0x8.0 mm copper pad areas.
MDS0301003A
Page 1
SMD Efficient Fast Recovery Rectifier
COMCHIP
www.comchip.com.tw
Rating and Characteristic Curves (CEFA201 Thru CEFA203)
Fig. 1 - Reverse Characteristics
100
10
Fig.2 - Forward Characteristics
Reverse Current ( uA )
10
Forward current ( A )
Tj=125 C
1.0
1.0
Tj=75 C
0.1
0.1
Tj=25 C
0. 01
0
0.01
Tj=25 C
Pulse width 300uS
4% duty cycle
0.001
20
40
60
80
100
120
140
0 0.2
0.4
0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
Forward Voltage (V)
Percent of Rated Peak Reverse Voltage (%)
Fig. 3 - Current Derating Curve
2.8
Fig. 4 - Non Repetitive Forward
Surge Current
Peak Surge Forward Current ( A )
50
8.3mS Single Half Sine
Wave JEDEC methode
Average Forward Current ( A )
2.4
2.0
1.6
1.2
0.8
0.4
40
30
Tj=25 C
20
Single Phase
Half Wave 60Hz
10
0
00
25
50
75
100
125
150
175
1
5
10
50
1 00
Ambient Temperature ( C)
Number of Cycles at 60Hz
Fig. 5 - Test Circuit Di
agram and Reverse Recovery Time Characteristics
trr
50
W
NONINDUCTIVE
10
W
NONINDUCTIVE
+0.5A
(+)
25Vdc
(approx.)
( )
1
W
NON-
INDUCTIVE
OSCILLISCOPE
(NOTE 1)
D.U.T.
( )
PULSE
GENERATOR
(NOTE 2)
(+)
0
-0.25A
|
|
|
|
|
|
|
|
-1.0A
NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF.
2. Rise Time= 10ns max., Source Impedance= 50 ohms.
1cm
SET TIME BASE FOR
50 / 10ns / cm
MDS0301003A
Page 2
嵌入式系统
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