SF31G THRU SF38G
Super Fast Recovery Rectifier
Features
● Ultrafast reverse recovery time
● Low leakage current
● Low switching losses, high efficiency
● High forward surge capability
● Glass passivated chip junction
● Solder dip 275 ° max. 7 s, per JESD 22-B106
C
RoHS
COMPLIANT
Typical Applications
For use in high frequency rectification and freewheeling
application in switching mode converters and inverters
for consumer, computer and telecommunication.
Mechanical Data
●
Package:
DO-201AD(DO-27)
Molding compound meets UL 94 V-0 flammability
rating, RoHS-compliant
●
Terminals:
Tin plated leads, solderable per
J-STD-002 and JESD22-B102
●
Polarity:
Color band denotes the cathode end
■Maximum Ratings
(Ta=25℃ Unless otherwise specified）
PARAMETER
Device marking code
Repetitive Peak Reverse Voltage
Average Forward Current
@60Hz sine wave, Resistance load, Ta =50℃
Forward Surge Current(Non-repetitive)
@60Hz Half-sine wave, 1 cycle, Ta=25℃
Storage Temperature
Junction Temperature
V
RRM
I
F(AV)
V
A
SYMBOL
UNIT
SF31G
SF31G
50
SF32G
SF32G
100
SF33G
SF33G
150
SF34G
SF34G
200
3.0
SF35G
SF35G
300
SF36G
SF36G
400
SF37G
SF37G
500
SF38G
SF38G
600
I
FSM
Tstg
Tj
A
℃
℃
125
-55 ~+150
-55~+150
■Electrical
Characteristics
（T
a
=25℃ Unless otherwise specified）
PARAMETER
Maximum instantaneous
forward voltage drop per diode
Maximum DC reverse current
at rated DC blocking voltage
per diode
SYMBOL
VF
UNIT
V
TEST CONDITIONS
IFM=3.0A
Ta=25℃
IR
μA
Ta=100℃
t
rr
ns
I
F
=0.5A I
R
=1A
I
RR
=0.25A
Measured at 1MHZ
and Applied Reverse
Voltage of 4.0 V.D.C.
150
35
SF31G
SF32G
SF33G
SF34G
SF35G
SF36G
SF37G
SF38G
0.95
5
1.3
1.7
Reverse Recovery time
Typical junction capacitance
Cj
pF
60
40
1/4
S-A157
Rev.2.1, 28-Apr-14
Yangzhou Yangjie Electronic Technology Co., Ltd.
www.21yangjie.com
SF31G THRU SF38G
■
Thermal Characteristics
（T
a
=25℃ Unless otherwise specified）
PARAMETER
Thermal Resistance
SYMBOL
RθJ-A
UNIT
℃/W
SF31G
SF32G
SF33G
SF34G
30
SF35G
SF36G
SF37G
SF38G
■
Ordering Information (Example)
PREFERED P/N
SF31G~SF38G
SF31G~SF38G
PACKAGE CODE
D1
C1
UNIT WEIGHT(g)
Approximate 1.05
Approximate 1.05
MINIMUM
PACKAGE(pcs)
1250
250
INNER BOX
QUANTITY(pcs)
1250
250
OUTER CARTON
QUANTITY(pcs)
12500
12500
DELIVERY MODE
Tape
Bulk
■
Characteristics(Typical)
FIG.1: Io-Ta Curve
3.0
125
FIG.2: Forward Surge Current Capability
Average Forward Output Current (A)
2.4
Peak Forward Surge Current (A)
100
8.3ms Single Half Sine Wave
JEDEC Method
75
1.8
1.2
Single Phase
Half Wave 60HZ
Resistive or
Inductive Load
0.375''(9.5mm)
Lead Length
0
50
100
100
150
50
0.6
25
0
0
1
2
4
6
8 10
20
40
60 80 100
Ambient Temperature
(℃)
Number of Cycles
FIG.3: Forward Voltage
100
FIG.4: Typical Reverse Characteristics
100
Instantaneous Forward Current (A
)
SF31G-SF34G
10
SF37G-SF38G
Instantaneous Reverse Current (uA)
SF35G-SF36G
T
j
=125
℃
10
T
j
=100
℃
1.0
1.0
T
j
=25
℃
0.1
0.1
TJ=25
℃
Pulse width=300us
1% Duty Cycle
0.01
0.01
0.6
0.001
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0
20
40
60
80
100
Instantaneous Forward Voltage (V)
Percent of Rated Peak Reverse Voltage (%)
2/4
S-A157
Rev.2.1, 28-Apr-14
Yangzhou Yangjie Electronic Technology Co., Ltd.
www.21yangjie.com
SF31G THRU SF38G
FIG.5: Diagram of circuit and Testing wave form of reverse recovery time
50
Ω
NONINDUCTIVE
10
Ω
NONINDUCTIVE
trr
+0.5A
(-)
(+)
(-)
1
Ω
NONINDUCTIV
DUT
PULSE
GENERATOR
(NOTE2)
OSCILLOSCOPE
(NOTE1)
0
-0.25A
(+)
NOTES:
1.Rise Time=7ns max .Inpot Impedance=1M
Ω
22pf
2.Rise Time=10ns max.Sourse Impedance=50
Ω
-1.0A
1cm
SET TIME BASE FOR
5/10ns/cm
■
Outline Dimensions
DO-201AD(DO-27)
DO-201AD(DO-27)
Dim
A
B
C
D
Min
8.50
5.00
25.4
1.20
Max
9.50
5.60
/
1.30
Dimensions in millimeters
3/4
S-A157
Rev.2.1, 28-Apr-14
Yangzhou Yangjie Electronic Technology Co., Ltd.
www.21yangjie.com
SF31G THRU SF38G
Disclaimer
The information presented in this document is for reference only. Yangzhou Yangjie Electronic Technology Co., Ltd. reserves the
right to make changes without notice for the specification of the products displayed herein to improve reliability, function or design
or otherwise.
The product listed herein is designed to be used with ordinary electronic equipment or devices, and not designed to be used with
equipment or devices which require high level of reliability and the malfunction of with would directly endanger human life (such as
medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety
devices), Yangjie or anyone on its behalf, assumes no responsibility or liability for any damages resulting from such improper use
of sale.
This publication supersedes & replaces all information previously supplied. For additional information, please visit our website
http://
www.21yangjie.com
, or consult your nearest Yangjie’s sales office for further assistance.
4/4
S-A157
Rev.2.1, 28-Apr-14
Yangzhou Yangjie Electronic Technology Co., Ltd.
www.21yangjie.com
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