RECTRON 1N4937, 1N4936, 1N4935, 1N4934, 1N4933 Datasheet
RECTRON
SEMICONDUCTOR
TECHNICAL SPECIFICA TION
FAST RECOVERY RECTIFIER
VOLTAGE RANGE 50 to 600 Volts CURRENT 1.0 Ampere
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 oC ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
1.0 (25.4)
.205 (5.2)
.166 (4.2)
MIN.
1.0 (25.4)
MIN.
1N4933
THRU
1N4937
.034 (0.9)
DIA.
.028 (0.7)
.107 (2.7)
DIA.
.080 (2.0)
DO-41
MAXIMUM RATINGS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at TA = 75oC
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
ELECTRICAL CHARACTERISTICS
Maximum Instantaneous Forward Voltage at 1.0A DC
Maximum DC Reverse Current
at Rated DC Blocking Voltage TA = 25oC
Maximum Full Load Reverse Current Full Cycle
Average, .375” (9.5mm) lead length at TL = 55oC
Maximum Reverse Recovery Time (Note 1)
NOTES : 1. Test Conditions: IF = 1.0A, VR = 30V
2. Measured at 1 MHZ and applied reverse voltage of 4.0 volts
(At TA = 25oC unless otherwise noted)
RATINGS
(At TA = 25oC unless otherwise noted)
CHARACTERISTICS
SYMBOL
V
RRM
V
RMS
V
DC
I
O
I
FSM
C
J
TJ, T
STG
SYMBOL
V
F
I
R
trr
Dimensions in inches and (millimeters)
1N4933
1N4933 1N4935 1N4936 1N49371N4934 UNITS
1N4934
50 200 400 600100
35 140 280 42070
50 200 400 600100
1N4935 1N4936
30
15
-65 to + 150
1.2
5.0
100
200
1N4937
UNITS
Volts
Volts
Volts
Amps1.0
Amps
pF
0
C
Volts
uAmps
uAmps
nSec
2001-5
RATING AND CHARACTERISTIC CURVES
(
1N4933 THRU 1N4937
)
FIG. 1 - TYPICAL FORWARD CURRENT
DERATING CURVE
1.0
.8
.6
.4
Single Phase
Half Wave 60Hz
.2
Resistive or
Inductive Load
0
AVERAGE FORWARD CURRENT, (A)
0 25 50 75 100 125 150 175
AMBIENT TEMPERATURE, ( )
FIG. 3 - TYPICAL JUNCTION CAPACITANCE
200
100
60
40
20
10
TJ = 25
6
4
JUNCTION CAPACITANCE, (pF)
2
1
.1 .2 .4 1.0 2 4 10 20 40 100
REVERSE VOLTAGE, ( V )
FIG. 5 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY
TIME CHARACTERISTIC
FIG. 2 - MAXIMUM NON-REPETITIVE
FORWARD SURGE CURRENT
50
40
8.3ms Single Half Sine-Wave
(JEDED Method)
30
20
10
0
1 2 4 6 810 20 40 6080100
PEAK FORWARD SURGE CURRENT, (A)
NUMBER OF CYCLES AT 60Hz
FIG. 4 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
20
10
TJ = 25
1.0
.1
INSTANTANEOUS FORWARD CURRENT, (A)
.01
.6 .8 1.0 1.2 1.4
Pulse Width=300uS
1% Duty Cycle
INSTANTANEOUS FORWARD VOLTAGE, (V)
8
115Va 10K
60Hz 2W
7
C.P.CLARE
HPG 1002
30 Vdc
CONSTANT VOLTAGE
SUPPLY
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
1
6
5
MINIMIZE ALL LEAD LENGTHS
3.8uH/1.4
2
3
4
1 AMP
SLO-BLO
FUSE
C1
1.0uF
300V
30
50W
NON-INDUCTIVE
UNIT
UNDER TEST
R2
1
10W
NONINDUCTIVE
R2-TEN-1W 10 % CARBON CORE
IN PARALLEL
10
TA = 25 FOR RECTIFIER
0
1.0 Adc FROM
CONSTANT
VOLTAGE SUPPLY
C1
RIPPLE = 3mVrms MAX
1.0uF
300V
1
Zout 1
DC to 2kHz
/
MAX
2
IFM 1.0
IRM (REC)
0
trr
i(t) di/dt = 50A/uS
SET TIME BASE FOR
50/100 ns/cm
RECTRON
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