1N4933
THRU
1N4937
1.0 AMP FAST RECOVERY RECTIFIERS
VOLTAGE RANGE
50 to 600 Volts
CURRENT
FEATURES
* Low forward voltage drop
* Low leakage current
* High reliability
* High current capability
1.0 Ampere
DO-41
.107(2.7)
.080(2.0)
DIA.
1.0(25.4)
MIN.
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Lead: Axial leads, solderable per MIL-STD-202,
method 208 guranteed
* Polarity: Color band denotes cathode end
* Mounting position: Any
.034(.9)
.028(.7)
DIA.
.205(5.2)
.166(4.2)
1.0(25.4)
MIN.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating 25 C ambient temperature uniess otherwies specified.
Single phase half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
TYPE NUMBER
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
Peak Forward Surge Current, 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Maximum Instantaneous Forward Voltage at 1.0A
Maximum DC Reverse Current
Ta=25 C
at Rated DC Blocking Voltage
Ta=100 C
Maximum Reverse Recovery Time (Note 1)
Typical Junction Capacitance (Note 2)
Operating and Storage Temperature Range T
J
, T
STG
NOTES:
1N4933
50
35
50
1N4934
100
70
100
1N4935
200
140
200
1.0
30
1.2
5.0
100
200
15
-65 +150
1N4936
400
280
400
1N4937
600
420
600
UNITS
V
V
V
A
A
V
A
A
nS
pF
C
1. Reverse Recovery Time test condition:IF=1.0A, VR=30V.
2. Measured at 1MHz and applied reverse voltage of 4.0V D.C.
168
RATING AND CHARACTERISTIC CURVES (1N4933 THRU 1N4937)
FIG.1-TYPICAL FORWARD
CHARACTERISTICS
AVERAGE FORWARD CURRENT,(A)
FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE
50
INSTANTANEOUS FORWARD CURRENT,(A)
1.2
1.0
0.8
0.6
0.4
0.2
0
0
20
40
60
80
100
120
140
160
180
200
Single Phase
Half Wave 60Hz
Resistive Or Inductive Load
0.375"(9.5mm) Lead Length
10
3.0
1.0
Tj=25 C
Pulse Width 300us
1% Duty Cycle
AMBIENT TEMPERATURE,( C)
0.1
FIG.4-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
PEAK FORWARD SURGE CURRENT,(A)
30
.01
.6
.8
1.0
1.2
1.4
1.6
1.8
2.0
FORWARD VOLT
AGE,(V)
24
FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTICS
10K
2W
115Va
60Hz
C P CLARE
HPG1002
8
7
6
5
4
1 AMP
SLO-BLO
FUSE
30Vdc
CONSTANT VOLT
AGE
SUPPLY
C1
1.0mF
300V
1
2
3
R1
3
W
25W
30
W
/50W
NON-INDUCTIVE
UNIT
UNDER TEST
A
1.0Adc FROM
CONSTANT
VOLTAGE SUPPL
Y
RIPPLE=3mVrms MAX.
18
Tj=25 C
8.3ms Single Half
Sine Wave
JEDEC method
12
6
0
1
5
10
50
100
R2
1
W
/10W
NON-
INDUCTIVE
NUMBER OF CYCLES AT 60Hz
C1
1.0mF
300V
Zout 1
1
/
2
W
MAX.
DC To 2KHz
MINIMIZE ALL LEAD LENGTHS
A-TEKTRONIX 545A. K PLUG IN
PRE AMP P6000 PROBE OR EQUIVALENT
R1- ADJUSTED FOR 14 BETWEEN
POINT 2 OF RELAY AND RECTIFIER
INDUCTIVE=3.8mH
FIG.5-TYPICAL JUNCTION CAPACITANCE
35
30
25
20
15
10
5
R2- TEN 1W 10
W
1% CARBON CORE
IN P
ARALLEL
T 25
A=
+10
0
C FOR RECTIFIER
IFM 1.0
i(t)
di/dt=50A/mS
trr
0
IRM(REC) 2.0
1cm
SET TIME BASE FOR
50 / 100ns / cm
JUNCTION CAPACITANCE,(pF)
0
.01
.05
.1
.5
1
5
10
50
100
REVERSE VOLTAGE,(V)
169
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