COMCHIP CEFA202

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)
0.110(2.79)
0.086(2.18)
0.180(4.57)
0.160(4.06)
0.012(0.31)
0.006(0.15)
Mechanical Data
0.091(2.31)
0.067(1.70)
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
0.059(1.50)
0.035(0.89)
0.209(5.31)
0.185(4.70)
0.008(0.20)
0.004(0.10)
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characterics
Parameter
Symbol
CEFA
201
CEFA
202
CEFA
203
Unit
Max. Repetitive Peak Reverse Voltage
V RRM
50
100
200
V
Max. DC Blocking Voltage
V DC
50
100
200
V
V RMS
35
70
140
V
Max. RMS Voltage
Peak Surge Forward Current
8.3ms single half sine-wave
superimposed on rate load
( JEDEC method )
I FSM
50
A
A
Max. Average Forward Current
Io
2.0
Max. Instantaneous Forward Current
at 1.0 A
VF
0.92
Reverse recovery time
Trr
25
Max. DC Reverse Current at Rated DC
Blocking Voltage
Ta=25 C
Ta=100 C
IR
5.0
250
uA
20
C/W
C
Max. Thermal Resistance (Note 1)
R
Operating Junction Temperature
Tj
-55 to +150
Storage Temperature
T STG
-55 to +150
JL
V
nS
C
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.2 - Forward Characteristics
Fig. 1 - Reverse Characteristics
10
10
Tj=125 C
1.0
Tj=75 C
Forward current ( A )
Reverse Current ( uA )
100
1.0
0.1
0.01
0.1
Tj=25 C
Pulse width 300uS
4% duty cycle
Tj=25 C
0. 01
0
0.001
20
40
60
80
100
120
140
0 0.2
0.4
Forward Voltage (V)
Percent of Rated Peak Reverse Voltage (%)
Fig. 3 - Current Derating Curve
Fig. 4 - Non Repetitive Forward
Surge Current
Peak Surge Forward Current ( A )
Average Forward Current ( A )
2.8
2.4
2.0
1.6
1.2
0.8
0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
Single Phase
Half Wave 60Hz
50
8.3mS Single Half Sine
Wave JEDEC methode
40
30
Tj=25 C
20
10
0.4
0
00
25
50
75
100
125
150
175
1
Ambient Temperature ( C)
5
10
50
1 00
Number of Cycles at 60Hz
Fig. 5 - Test Circuit Diagram and Reverse Recovery Time Characteristics
trr
50W
NONINDUCTIVE
10W
NONINDUCTIVE
( )
(+)
25Vdc
(approx.)
D.U.T.
PULSE
GENERATOR
(NOTE 2)
( )
1W
NONINDUCTIVE
|
|
|
|
|
|
|
|
+0.5A
0
-0.25A
(+)
OSCILLISCOPE
(NOTE 1)
-1.0A
NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF.
1cm
SET TIME BASE FOR
2. Rise Time= 10ns max., Source Impedance= 50 ohms.
50 / 10ns / cm
MDS0301003A
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