CHONGQING PINGYANG ELECTRONICS CO.,LTD.
SF31G THRU SF38G
SUPER FAST RECOVERY RECTIFIER
VOLTAGE：50-600V
CURRENT：3.0A
FEATURES
·High
reliability
·Low
leakage
·Low
forward voltage
·High
current capability
·Super
fast switching speed
·High
surge capability
·Good
for switching mode circuit
DO-27
1.0(25.4)
MIN.
.375(9.5)
.335(8.5)
1.0(25.4)
MIN.
.052(1.3)
.048(1.2)
DIA.
MECHANICAL DATA
·Case:
Molded plastic
·Epoxy:
UL94V-0 rate flame retardant
·Lead:
MIL-STD- 202E, Method 208 guaranteed
·Polarity:Color
band denotes cathode end
·Mounting
position:
Any
·Weight:
1.18 grams
.220(5.6)
.187(5.0)
DIA.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRONICAL CHARACTERISTICS
Ratings at 25℃ ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz,resistive or inductive load.
For capacitive load, derate current by 20%.
SF31 SF32
SYMBOL
G
G
Maximum Recurrent Peak Reverse
Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward rectified
Current at T
A
=55°C
at T =55°C
Peak Forward Surge Current 8.3ms
single half sine-wave superimposed on
rate load (JEDEC method)
Maximum Instantaneous forward Voltage
at 3.0A DC
Maximum DC Reverse Current at Rated
DC Blocking Voltage T
A
=25°C
Maximum Full Load Reverse Current Full
Cycle Average,.375”(9.5mm) lead length
at T =75°CReverse Recovery Time (Note
Maximum
1)
Typical Junction Capacitance (Note 2)
Notes:
V
RRM
V
RMS
V
DC
I
o
I
FSM
V
F
0.95
5.0
I
R
300
t
rr
C
J
35
50
30
nS
pF
µA
50
35
50
100
70
100
SF33
G
150
105
150
SF34
G
200
140
200
3.0
SF35
G
300
210
300
SF36
G
400
280
400
SF37
G
500
350
500
SF38
units
G
600
420
600
V
V
V
A
A
125
1.4
1.85
V
1.Test Conditions: I
F
=0.5A, I
R
=1.0A, I
RR
=0.25A
2.Measured at 1MHz and applied reverse voltage of 4.0 volts
１
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