IN4933 thru IN4937
FAST SWITCHING RECTIFIER
CHENG- YI
ELECTRONIC
VOLTAGE RANGE 50 TO 600 Volts
CURRENT 1.0 Amperes
DO-41
FEATURE
Low forward voltage
High current capability
Low leakage current
High surge capability
Low cost
MECHANICAL DATA
Case:Mold plastic use UL 94V-0 recognized
flame retardant epoxy
Terminals:Axial leads, solderable per
MIL-STD-202, method 208
Polarity:Color band denotes cathode
Mounting Position:Any
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
0
C ambient temperature unless otherwise specified.
Signle phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
IN4933
IN4934
100
70
100
IN4935
200
140
200
1.0
50
1.2
30
5.0
200
20
-65 to +175
IN4936
400
280
400
IN4937
600
420
600
UNITS
V
V
V
A
A
V
A
A
nS
pF
0
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current,
.375", (9.5mm) Lead Length at
TA =75 C
0
50
35
50
Peak Forward Surge Current 8.3 ms single half sine-wave
Maximum Forward Voltage at 1.0A Peak
Maximum Full Load Reverse Current, Full Cycle Average,
.375", (9.5mm) Lead Length at
TA =55 C
0
Maximum DC Reverse Current, at Rated DC Blocking Voltage
Maximum Reverse Recovery Time (Note 1)
Typical Junction Capacitance (Note 2)
Operating and Storage Tempeature Range
Notes : 1. Reverse Recovery Test Conditions : I
F
=1A, V
R
=30V
2. Measured at 1.0MHz and applied reverse voltage of 4.0 Volts.
C
IN4933 thru IN4937
FAST SWITCHING RECTIFIER
CHENG- YI
ELECTRONIC
RATING AND CHARACTERISTICS CURVES
IN4933 THRU IN4937
Fig. 1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
8
115Va
60Hz
10K
2W
7
3
4
1 AMP
SLO-RLO
FUSE
C1
1.0 F
300V
R2
1
1OW
NON-INDUCTIVE
1
2
R1
3
25W
30
50W
NON-INDUCTIVE
UNIT
UNDERTEST
6
C P CLARE
HPG 1002
I FM
0
i(ti)
di/d
trr
5
30 Vdc
CONSTANT VOLTAGE
SUPPLY
C1
1.0 F
300V
1.0 Adc From Vdc
CONSTANT
VOLTAGE SUPPLY
RIPPLE 3mVrms MAX
I RM (REC)
MINIMIZE ALL LEAD LENGTHS
1cm
Zout 1
1
/
2
MAX
DC to 2KHz
SET TIME BASE FOR
50/100ns/cm
A-TEKTRONIX 545A. K PLUG IN
PRE AMP p6000 PROBE OR EOUIVALENT
,
R 1 -ADJUSTED FOR 14 BETWEEN
POINT 2 OF RELAY AND RECTIFIER
INDUCTANCE=3&H
R 2 -TEN 1W 10 1% CARBONCORD
INPARALLEL
+10 CFORRECTIFIER
TA =
-0
Fig. 2 - FORWARD CURRENT DERATING CURVE
SINGLE PHASE
HALF WAVE
60Hz
RESISTIVE OR
INDUCTIVE LOAD
.375 LEAD LENGTH
Fig. 3 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
10
1.25
1.00
.75
INSTANTANEOUS FORWARD CURRENT
AMPERES
1.50
AVERAGE FORWARD RECTIFIED
CURRENT AMPERES
1.0
.50
.25
0
25
50
75
100
125
150
0
0.1
T J = 25
0
C
175
AMBIENT TEMPERATURE, C
0.01
.4
.6
.8
1.0
1.2
1.4
1.6
INSTANTANEOUS FORWARD VOLT
AGE, VOLTS
Fig. 4 - TYPICAL JUNCTION CAPACITANCE
100
Fig. 5 - PEAK FORWARD SURGE CURRENT
FORWARD SURGE CURRENT, AMPERES pk
(HALF-SINE WAVE)
50
CAPACITANCE-pF
40
10
T J = 25
0
C
30
T J = 25
0
C
20
10
1
1
10
100
REVERSE VOLTAGE. VOLTS
0
1
10
100
NUMBER OF CYCLES AT 60Hz
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