SUPER FAST GLASS PASSIVATED RECTIFIER
SF31G THRU SF38G
FEATURES
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VOLTAGE RANGE
CURRENT
50 to 1000 Volts
3.0 Ampere
Super fast switching speed
Glass passivated chip junction
Low power loss, high efficiency
Low leakage
High Surge Capacity
High temperature soldering guaranteed
260℃/10 seconds, 0.375″(9.5mm) lead length
DO-27
.052(1.3)
.048(1.2)
DIA.
1.0(25.4)
MIN.
.375(9.5)
.335(8.5)
.220(5.6)
DIA.
.197(5.0)
1.0(25.4)
MIN.
MECHANICAL DATA
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Case: Transfer molded plastic
Epoxy: UL94V-0 rate flame retardant
Polarity: Color band denotes cathode end
Lead: Plated axial lead, solderable per MIL-STD-202E method 208C
Mounting position: Any
Weight: 0.042ounce, 1.19 gram
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL 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%
SF
SF
SYMBOLS
31G
32G
Maximum Repetitive Peak Reverse Voltage
V
RRM
50
100
Maximum RMS Voltage
V
RMS
35
70
Maximum DC Blocking Voltage
V
DC
50
100
Maximum Average Forward Rectified Current
0.375”(9.5mm) lead length at T
A
=55℃
Peak Forward Surge Current
8.3mS single half sine wave superimposed on
rated load (JEDEC method)
Maximum Instantaneous Forward Voltage at 3.0A
Maximum DC Reverse Current
at rated DC blocking Voltage at
T
A
= 25℃
T
A
= 125℃
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•
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SF
33G
150
105
100
SF
34G
200
140
200
3.0
125
SF
35G
300
210
300
SF
36G
400
280
400
SF
37G
500
350
500
SF
38G
600
420
600
UNIT
Volts
Volts
Volts
Amps
Amps
I
(AV)
I
FSM
V
F
I
R
t
rr
C
J
R
θJA
T
J
T
STG
50
0.95
1.25
5.0
50
35
30
30
(-55 to +150)
(-55 to +150)
1.7
Volts
µA
nS
pF
℃
/W
℃
℃
Maximum Reverse Recovery Time
Test conditions l
F
= 0.5A, l
R
= 1.0A, l
RR
=0.25A
Typical Junction Capacitance
(Measured at 1.0MHz and applied reverse voltage of 4.0V)
Typical Thermal Resistance (NOTE 1)
Operating Junction Temperature Range
Storage Temperature Range
Notes:
1. Thermal Resistance from Junction to Ambient with 0.375″(9.5mm) lead length, PCB mounted.
E-mail:
sales@cnmic.com
Web Site: www.cnmic.com
SUPER FAST GLASS PASSIVATED RECTIFIER
SF31G THRU SF38G
VOLTAGE RANGE
CURRENT
50 to 1000 Volts
3.0 Ampere
RATING AND CHRACTERISTIC CURVES SF31G THRU SF38G
FIG.1-TYPICAL FORWARD CURRENT
DERATING CURVE
3.0
FIG.2-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
PEAK FORWARD SURGE
AVERAGE FORWARD CURRENT,
150
2.0
CURRENT, (A)
8.3ms Single Half Sine-Wave
(JEDEC Method) T= T
jmax
100
(A)
1.0
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.375″(9.5mm) Lead Length
50
0
0
25
50 55
75
100
125
150
175
10
1 Cycle
1
2
4
6
8
10
20
40
60
100
AMBIENT TEMPERATURE, (° C)
NUMBER OF CYCLES AT 60 Hz
FIG.3-TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
100
FIG.4-TYPICAL REVERSE
CHARACTERISTICS
INSTANTANEOUS REVERSE CURRENT,
10
INSTANTANEOUS FORWARD CURRENT,
T
J
=125° C
1.0
35
G-
36
10
G-
34
G
G
SF
31
SF
(A)
SF
1.0
G
37
(μA)
0.1
8G
-3
T
J
=25° C
0.1
T
J
=25° C
Pulse Width=300us
1% Duty Cycle
0.01
0
20
40
60
80
100
120
140
0.01
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
PERCENT OF RATED PEAK
REVERSE VOLTAGE,(%)
INSTANTANEOUS FORWARD VOLTAGE,(V)
FIG.5-TYPICAL JUNCTION CAPACITANCE
100
JUNCTION CAPACITANCE,(pF)
F1G.6-TEST CIRCUIT DIAGRAM AND
REVERSE RECOVERY TIME CHARACTERISTIC
Trr
50Ω
10Ω
NONINDUCTIVE NONINDUCTIVE
(-)
10
(+)
25 Vdc
(approx.)
(-)
T
J
=25° C
f=1MHz
Vsig=50mVp-p
D.U.T.
PULSE
GENERATIOR
(NOTE 2)
(+)
OSCILLOSCOPE
(NOTE 1)
+0.5A
0
-0.25A
1Ω
NON
INDUCTIVE
-1.0A
SF31/G-SF34/G
SF35/G-SF38/G
1cm
1.0
0.1
1.0
10
100
REVERSE VOLTAGE,(V)
NOTES : 1.Rise Time=7ns mas. Input Impedance=
1 magohm. 22pF
2.Rise time=10ns max. Source Impedance=
50 ohms
SET TIME BASE FOR
50/100ns/cm
E-mail:
sales@cnmic.com
Web Site: www.cnmic.com
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