FAST RECOVERY RECTIFIER
VOLTAGE RANGE 50 to 600 Volts CURRENT 1.0 Ampere
RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICATION
FEATURES
* Low cost
* Low leakage
* Low forward voltage drop
* High current capability
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: Device has UL flammability classification 94V-O
* Lead: MIL-STD-202E method 208C guaranteed
* Mounting position: Any
* Weight: 0.33 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
o
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
ELECTRICAL CHARACTERISTICS (At T
A
= 25
o
C unless otherwise noted)
1N4933
THRU
1N4937
DO-41
MAXIMUM RATINGS (At T
A
= 25
o
C unless otherwise noted)
NOTES : 1. Test Conditions: I
F
= 1.0A, V
R
= 30V
2. Measured at 1 MH
Z
and applied reverse voltage of 4.0 volts
Dimensions in inches and (millimeters)
2001-5
RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at T
A
= 75
o
C
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical Junction Capacitance (Note 2)
Operating and Storage Temperature Range
SYMBOL
V
RRM
V
DC
I
O
I
FSM
C
J
T
J
, T
STG
V
RMS
Volts
Volts
Volts
Amps
1.0
30
15
-65 to + 150
Amps
pF
0
C
UNITS
50
200
400
600
100
35
140
280
420
70
50
200
400
600
100
1N4933
1N4935
1N4936
1N4937
1N4934
at Rated DC Blocking Voltage T
A
= 25
o
C
CHARACTERISTICS
Maximum Full Load Reverse Current Full Cycle
Average, .375" (9.5mm) lead length at T
L
= 55
o
C
Maximum Reverse Recovery Time (Note 1)
V
F
SYMBOL
I
R
trr
1.2
5.0
100
200
uAmps
uAmps
nSec
Maximum DC Reverse Current
Maximum Instantaneous Forward Voltage at 1.0A DC
Volts
1N4933
1N4935
1N4936
1N4937
1N4934
UNITS
1.0 (25.4)
MIN.
.166 (4.2)
.205 (5.2)
1.0 (25.4)
MIN.
.107 (2.7)
.080 (2.0)
DIA.
.034 (0.9)
.028 (0.7)
DIA.
RECTRON
RATING AND CHARACTERISTIC CURVES ( 1N4933 THRU 1N4937 )
JUNCTION CAPACITANCE, (pF)
FIG. 3 - TYPICAL JUNCTION CAPACITANCE
REVERSE VOLTAGE, ( V )
200
100
60
40
20
10
6
4
2
1
.1
.2
.4
1.0
2
4
10
20 40
100
TJ = 25
FIG. 1 - TYPICAL FORWARD CURRENT
AVERAGE FORWARD CURRENT, (A)
AMBIENT TEMPERATURE, ( )
DERATING CURVE
1.0
.8
.6
.4
.2
0
0
25
50
75
100
125
150
175
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
FIG. 2 - MAXIMUM NON-REPETITIVE
PEAK FORWARD SURGE CURRENT, (A)
NUMBER OF CYCLES AT 60Hz
FORWARD SURGE CURRENT
1
2
4
6 8 10
20
40 6080100
50
40
30
20
10
0
8.3ms Single Half Sine-Wave
(JEDED Method)
Pulse Width=300uS
1% Duty Cycle
FIG. 4 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT, (A)
INSTANTANEOUS FORWARD VOLTAGE, (V)
TJ = 25
20
10
1.0
.1
.01
.6
.8
1.0
1.2
1.4
FIG. 5 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY
TIME CHARACTERISTIC
8
7
6
5
4
3
2
1
115Va 10K
60Hz 2W
C.P.CLARE
HPG 1002
30 Vdc
CONSTANT VOLTAGE
SUPPLY
3.8uH/1.4
1 AMP
SLO-BLO
FUSE
C1
1.0uF
300V
30
50W
NON-INDUCTIVE
UNIT
UNDER TEST
R2
1
10W
NON-
INDUCTIVE
C1
1.0uF
300V
1.0 Adc FROM
CONSTANT
VOLTAGE SUPPLY
RIPPLE = 3mVrms MAX
MINIMIZE ALL LEAD LENGTHS
A-TEKTRONIX 545A. K PLUG IN
PRE AMP P6000 PROBE OR EQUIVALENT
R1-ADJUSTED FOR 1.4 BETWEEN
POINT 2 OF RELAY AND RECTIFIER
INDUCTIVE = 3.8uH
Zout 1
1
/
2
MAX
DC to 2kHz
R2-TEN-1W 10 % CARBON CORE
IN PARALLEL
TA = 25 FOR RECTIFIER
10
0
SET TIME BASE FOR
50/100 ns/cm
trr
i(t) di/dt = 50A/uS
IFM 1.0
0
IRM (REC)
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