Super Fast Rectifiers
SF51-G Thru. SF58-G
Reverse Voltage: 50 to 600 Volts
Forward Current: 5.0 Amp
RoHS Device
Features
-Supper fast switching time for high efficiency.
-Low forward voltage drop.
-High current capability.
-Low reverse leakage current.
-Plastic material has UL flammability classification 94V-0
1.0(25.4) min.
0.052(1.30)
DIA.
0.048(1.20)
DO-27
Mechanical data
-Case: Molded plastic, JEDEC DO-27 molded plastic.
-Terminals: Solderable per MIL-STD-750, method 2026.
-Polarity: Color band denotes cathode.
-Mounting position: Any.
-Weight: 1.1 grams approx.
1.0(25.4) min.
0.375(9.50)
0.335(8.50)
0.220(5.60)
DIA.
0.197(5.00)
Dimensions in inches and (millimeter)
Maximum Ratings and Electrical Characteristics
Ratings at 25°C ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load derate current by 20%.
Parameter
Max. repetitive peak reverse voltage
Max. DC blocking voltage
Max. RMS voltage
Max. averaged forward rectified current
@T
A
=55°C
Forward surge current, 8.3ms single
half sine-wave superimposed on rated
load (JEDEC method)
Peak forward voltage at I
F
=4.0A DC
Max. Reverse recovery time (Note 1)
Typical Junction capacitance (Note 2)
Max. DC reverse current
@T
J
=25°C
Symbol
SF51-G
V
RRM
V
DC
V
RMS
I
O
I
FSM
V
F
T
rr
C
J
I
R
I
R
R
θJA
T
J
T
STG
50
50
35
SF52-G
100
100
70
SF53-G
150
150
105
SF54-G
200
200
140
5.0
150
SF55-G
300
300
210
SF56-G
400
400
280
SF58-G
600
600
420
Unit
V
V
V
A
A
0.95
35
90
5.0
100
10
-55 to +125
-55 to +150
1.25
40
75
1.30
50
V
nS
pF
μA
°C/W
°C
°C
at rated DC bolcking voltage @T
J
=100°C
Typical. thermal resistance (Note 3)
Operating junction temperature
Storage temperature range
Note 1. Measured with I
F
=0.5A, I
R
=1A, I
RR
=0.25A
2. Measured at 1.0MHz and applied reverse voltage of 4.0V DC.
3. Thermal resistance junction to ambient.
Company reserves the right to improve product design , functions and reliability without notice.
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Comchip Technology CO., LTD.
Super Fast Rectifiers
Rating and Characteristic Curves ( SF51-G Thru. SF58-G )
Fig.2- Max. Non-Repetitive
Surge Current
200
Fig.1- Forward Current Derating Curve
6.0
SINGLE PHASE HALF WAVE 60Hz
5.0
4.0
3.0
2.0
1.0
Peak Forward Surge Current, (A)
RESISTIVE OR INDUCTIVE LOAD
Average Forward Current, (A)
150
100
50
PULSE WIDTH 8.3mS
SINGLE HALF-SING WAVE
(JEDEC METHOD)
0
25
50
75
100
125
150
175
0
1
10
100
Ambient Temperature, (°C)
Number of Cycles at 60Hz
Fig.3-Typical Junction Capacitance
100
Fig.4- Typical Forward Characteristics
100
Instantaneous Forward Current, (A)
SF51-G~SF54-G
SF55-G~SF58-G
SF51-G~SF54-G
Capacitance, (pF)
10
10
SF58-G
1.0
SF55-G~SF56-G
1
1
10
TJ=25°C, F=1MHz
0.1
0
0.2
0.4
0.6
0.8
1.0
T
J
=25 C
PULSE WIDTH 300us
O
100
1.2
1.4
1.6 1.8
Reverse Voltage, (V)
Instantaneous Forward Voltage , (V)
REV: A
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