R
1N4933 TH R U 1N4937
FAST RECOVERY RECTIFIER
Reverse Voltage: 50 to 600 Volts
Forward Current:1.0Ampere
S E M I C O N D U C T O R
FEATURES
Plastic package has Underwriters Laboratory Flammability
Classification 94V-0
Construction utilizes void-free molded plastic technique
High temperature soldering guaranteed:260
°
C/10 seconds at terminals
Component in accordance to RoHS 2011
/
65
/
EU
DO-41
1.0(25.4)
MIN
0.107(2.7)
0.080(2.0)
DIA.
0.205(5.20)
0.161(4.10)
MECHANICAL DATA
Case: JEDEC DO-41 molded plastic body
Terminals: Plated axial leads, solderable per
MIL-STD-750,method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.012ounce, 0.34 gram
0.034(0.85)
0.026(0.65)
DIA.
1.0(25.4)
MIN
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Dimensions in inches and (millimeters)
(Rating at 25
°
C ambient temperature unless otherwise specified.Single phase ,half wave ,60H
Z
,resistive or inductive
load. For capacitive load,derate current by 20%.)
Symbols
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
Peak Forward Surge Current 8.3ms single half
sine-wave superimposed on rated load
(JEDEC method)
Maximum Instantaneous Forward Voltage
at 1.0 A
1N4933
50
35
50
1N4934
100
70
100
1N4935
200
140
200
1.0
30.0
1.3
1N4936
400
280
400
1N4937
600
420
600
Units
V
RRM
V
RMS
V
DC
I
(AV)
I
FSM
V
F
I
R
V
olts
V
olts
V
olts
A
mp
s
A
mps
V
olts
Maximum DC Reverse Current
at rated DC blocking voltage
T
A
=25
°C
T
A
=100
°C
5.0
250
μ
A
ns
Maximum reverse recovery time(Note1)
Typical junction capacitance(Note2)
Operating junction and storage temperature
range
t
rr
C
J
T
J
T
STG
200
15.0
-55 to+150
pF
°C
Note:
1.Test conditions: I
F=
1.0A,V
R
=30V , di/dt=50A/
μ
s, and Irr=10%I
RM
2.Measured at 1MH
Z
and applied reverse voltage of 4.0 Volts D.C.
JINAN JINGHENG ELECTRONICS CO., LTD.
2
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://
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RATINGS AND CHARACTERISTIC CURVES 1N4933 THRU 1N4937
FIG.1-TYPICAL FORWARD CURRENT
DERATING CURVE
AVERAGE FORWARD CURRENT
(A)
1.0
0.8
0.6
0.4
0.2
0
0
25
50
75
100
125
150
175
FIG.2-MAXIMUM NON-REPETITIVE
FORWARD SURGE CURRENT
50
40
30
20
10
0
1
2
4
6
8 10
20
40
60
100
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method) T
A
=75
°
C
SINGLE PHASE HALF WAVE 60H
Z
RESISTIVE OR INDUCTIVE LOAD
AMBIENT TEMPERATURE (
°
C)
PEAK FORWARD SURGE
CURRENT(AMPERES)
NUMBER OF CYCLES AT 60Hz
FIG.3-TYPICAL JUNCTION CAPACITANCE
FIG.4-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT( AMPERES)
20
10
JUNCTION CAPACITANCE(pF)
200
100
60
40
20
10
6
4
2
1
0.1 0.2
0.4
1
2
4
10
20
40
100
T
J
=25
°
C
3
1
0.3
0.1
0.03
0.01
0.6
0.8
1.0
1
.
2
1
.
4
T
J
=25
°
C
Pulse Width=300
μ
s
1% Duty Cycle
REVERSE VOLTAGE. (V)
INSTANTANEOUS FORWARD VOLTAGE (VOLTS)
FIG.5-TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTIC
10
NONINDUCTIVE
50
NONINDUCTIVE
Trr
+0.5A
(＋)
50Vdc
(APPROX)
(－)
D.U.T.
PULSE
GENERATOR
(NOTE2)
OSCILLOSCOPE
(NOTE1)
0
-0.25A
1
NONIN-
DUCTIVE
NOTES:1.Rise Time=7ns max. input impedance=1
megohm 22pF
2.Rise Time=10ns max. source impedance=
50 ohms
-1.0A
1cm
SET TIME BASE FOR 50/100 ns/cm
JINAN JINGHENG ELECTRONICS CO., LTD.
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