SM4933-LFR Datasheet, PDF (2/2 Pages) Frontier Electronics. – 1A SURFACE MOUNT FAST RECOVERY RECTIFIERS

RATING AND CHARACTERISTIC CURVES SM4933-LFR THRU SM4937-LFR
FIG. 1 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
50Ω
10Ω
NO INDUCTIVE
NO INDUCTIVE
Trr
(+)
25 V_dc
(approx)
(-)
D.U.T.
1Ω
NON
INDUCTIVE
(-)
+0.5A
PULSE
GENERATOR
( NOTE 2 )
0
OSCILLOSCOPE ₍₊₎
( NOTE 1 )
-0.25A
NOTE: 1. RISE TIME=7ns MAX. INPUT
IMPEDANCE=1 MOhms 22PF
2. RISE TIME =10ns MAX. SOURCE
IMPEDANCE=50 OHMS
-1.0A
FIG. 3 - TYPICAL REVERSE CHARACTERISTICS
10
4
1.0
T_J=100℃
.4
1cm
SET TIME BASE
FOR
10/20 ns/cm
FIG. 2 - TYPICAL FORWARD CURRENT
DERATING CURVE
1.0
.8
.6
.4 _{Single Phase}
Half Wave 60H_z
.2 ^{Resistive or}
Inductive Load
0
0 25 50 75
100 125 150 175
TERMINAL TEMPERATURE_’ (℃)
FIG. 4 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
20
10
T_J=25℃
pulse Width=300_us
1% Duty Cycle
1.0
.1
.04
T_J=25℃
.01
0 20 40 60 80 100 120 140
PERCENT OF RATED PEAK REVERSE VOLTAGE_’ (%)
FIG. 5 - MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
50
40
30
8.3ms Single Hhalf
9.Sine-Wave (JEDEC Method
20
10
0
1
2 4 6 8 10 20 40 60 80100
NUMBER OF CYCLES AT 60H_Z
SM4933-LFR THRU SM4937-LFR
0.1
.01
.6
.8
1.0
1.2
1.4
INSTANTANEOUS FORWARD VOLTAGE_’ (V)
FIG. 6 - TYPICAL JUNCTION CAPACITANCE
200
100
60
40
20
10
6
T_J=25℃
4
2
1
.1 .2 .4 1.0 2 4 10 20 40 100
REVERSE VOLTAGE_’ (V)
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