SECOS SEF203A

SEF201A THRU SEF206A
VOLTAGE 50V ~ 800V
Elektronische Bauelemente
2.0AMP High Efficiency Recovery Rectifiers
RoHS Compliant Product
A suffix of "-C" specifies halogen-free
SMA
FEATURES
* Ideal for surface mount applications
* Easy pick and place
* Built-in strain relief
* Fast switching speed
Dimensions in
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Metallurgically bonded construction
* Polarity: Color band denotes cathode end
* Mounting position: Any
* Weight: 0.063 grams
C
A
B
Millimeters
H
D
E
G
F
Dimensions in
Inches
A
1.25
1.65
0.049
0.065
B
3.99
4.60
0.157
0.181
C
2.50
2.90
0.098
0.114
D
1.98
2.44
0.078
0.096
E
0.051
0.203
0.002
0.008
F
G
4.78
5.28
0.188
0.208
0.76
1.52
0.030
0.060
H
0.152
0.305
0.006
0.012
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating 25 C ambient temperature unless otherwise specified.
Single phase half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
TYPE NUMBER
SEF201A SEF202A
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
50
35
50
100
70
100
SEF203A SEF204A
200
140
200
.375"(9.5mm) Lead Length at Ta=55 C
Peak Forward Surge Current, 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Maximum Instantaneous Forward Voltage at 2.0A
Maximum DC Reverse Current
Ta=25 C
at Rated DC Blocking Voltage
Ta=100 C
Maximum Reverse Recovery Time (Note 1)
Typical Junction Capacitance (Note 2)
Operating and Storage Temperature Range TJ, TSTG
400
280
400
SEF205A SEF206A UNITS
600
420
600
800
560
800
V
V
V
2.0
A
50
A
1.3
0.98
1.5
1.7
5.0
µA
100
50
15
-65 +175
V
µA
75
nS
pF
C
NOTES:
1. Reverse Recovery Time test condition: IF=0.5A, IR=1.0A, IRR=0.25A
2. Measured at 1MHz and applied reverse voltage of 4.0V D.C.
http://www.SeCoSGmbH.com
01-Jun-2006 Rev. B
Any changing of specification will not be informed individual
Page 1 of 2
SEF201A THRU SEF206A
VOLTAGE 50V ~ 800V
Elektronische Bauelemente
2.0AMP High Efficiency Recovery Rectifiers
RATING AND CHARACTERISTIC CURVES (SEF201A THRU SEF206A)
FIG.1-TYPICAL FORWARD
FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE
SEF204A
50
SEF205A
SEF201A~SEF203A
10
3.0
SEF206A
1.0
2.4
2.0
1.6
Single Phase
1.2
Half Wave 60Hz
Resistive Or Inductive Load
0.8
0.4
0
0
20
40
Tj=25 C
60
80
100
120
140
160
180
200
AMBIENT TEMPERATURE ( C)
Pulse Width 300us
1% Duty Cycle
0.1
FIG.4-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
.01
.6
.9
1.1
1.4
1.7
2.0
2.3
2.6
FORWARD VOLTAGE,(V)
FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTICS
50W
NONINDUCTIVE
10W
NONINDUCTIVE
( )
(+)
D.U.T.
25Vdc
(approx.)
PULSE
GENERATOR
(NOTE 2)
( )
PEAK FORWAARD SURGE CURRENT,(A)
INSTANTANEOUS FORWARD CURRENT,(A)
AVERAGE FORWARD CURRENT,(A)
CHARACTERISTICS
50
40
30
Tj=25 C
20
8.3ms Single Half
Sine Wave
JEDEC method
10
0
1
5
(+)
1W
NONINDUCTIVE
OSCILLISCOPE
(NOTE 1)
2. Rise Time= 10ns max., Source Impedance= 50 ohms.
0
35
JUNCTION CAPACITANCE,(pF)
|
|
|
|
|
|
|
|
+0.5A
-0.25A
100
FIG.5-TYPICAL JUNCTION CAPACITANCE
NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF.
trr
50
10
NUMBER OF CYCLES AT 60Hz
30
25
20
15
10
5
0
-1.0A
1cm
SET TIME BASE FOR
.01
.05
.1
.5
1
5
10
50
100
REVERSE VOLTAGE,(V)
50 / 10ns / cm
http://www.SeCoSGmbH.com
01-Jun-2006 Rev. B
Any changing of specification will not be informed individual
Page 2 of 2