1n4933-1n4937.pdf

1N4933
RECTRON
THRU
SEMICONDUCTOR
TECHNICAL SPECIFICATION
1N4937
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
DO-41
MECHANICAL DATA
*
*
*
*
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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
1.0 (25.4)
MIN.
.205 (5.2)
.166 (4.2)
.034 (0.9)
DIA.
.028 (0.7)
.107 (2.7)
.080 (2.0)
DIA.
1.0 (25.4)
MIN.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
o
Ratings at 25 C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS (At T A = 25 oC unless otherwise noted)
SYMBOL
1N4933
1N4934
1N4935
1N4936
1N4937
Maximum Recurrent Peak Reverse Voltage
RATINGS
VRRM
50
100
200
400
600
Volts
Maximum RMS Voltage
VRMS
35
70
140
280
420
Volts
VDC
50
100
200
400
600
Volts
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at T A = 75 oC
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
UNITS
IO
1.0
Amps
I FSM
30
Amps
CJ
15
T J , T STG
-55 to + 150
pF
0
C
ELECTRICAL CHARACTERISTICS (At TA = 25oC unless otherwise noted)
CHARACTERISTICS
Maximum Instantaneous Forward Voltage at 1.0A DC
Maximum DC Reverse Current
at Rated DC Blocking Voltage TA = 25 oC
Maximum Full Load Reverse Current Full Cycle
Average, .375” (9.5mm) lead length at T L = 55 oC
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
SYMBOL
VF
1N4933
1N4934
1N4935
1.2
1N4936
1N4937
UNITS
Volts
5.0
uAmps
100
uAmps
200
nSec
IR
trr
2002-11
RATING AND CHARACTERISTIC CURVES ( 1N4933 THRU 1N4937 )
FIG. 2 - MAXIMUM NON-REPETITIVE
1.0
.8
.6
.4
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
.2
0
0
25
50
75
100 125 150 175
AMBIENT TEMPERATURE, ( )
PEAK FORWARD SURGE CURRENT, (A)
AVERAGE FORWARD CURRENT, (A)
FIG. 1 - TYPICAL FORWARD CURRENT
DERATING CURVE
FORWARD SURGE CURRENT
50
8.3ms Single Half Sine-Wave
(JEDED Method)
40
30
20
10
0
1
FIG. 4 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT, (A)
FIG. 3 - TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE, (pF)
200
100
60
40
20
10
TJ = 25
6
4
2
1
.1
.2
.4
1.0 2 4
10 20 40 100
REVERSE VOLTAGE, ( V )
2
4 6 8 10 20 40 6080100
NUMBER OF CYCLES AT 60Hz
20
10
TJ = 25
1.0
.1
Pulse Width=300uS
1% Duty Cycle
.01
.6
.8
1.0
1.2
FIG. 5 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY
TIME CHARACTERISTIC
8
115Va
60Hz
10K
2W
1
2 3.8uH/1.4
3
7
C.P.CLARE
HPG 1002
30
50W
NON-INDUCTIVE
UNIT
UNDER TEST
6
5
4
30 Vdc
CONSTANT VOLTAGE
SUPPLY
1 AMP
SLO-BLO
FUSE
C1
1.0uF
300V
R2
1
10W
NONINDUCTIVE
MINIMIZE ALL LEAD LENGTHS
A-TEKTRONIX 545A. K PLUG IN
R2-TEN-1W 10
PRE AMP P6000 PROBE OR EQUIVALENT
IN PARALLEL
R1-ADJUSTED FOR 1.4 BETWEEN
POINT 2 OF RELAY AND RECTIFIER
10
TA = 25
INDUCTIVE = 3.8uH
0
C1
1.0uF
300V
1.0 Adc FROM
CONSTANT
VOLTAGE SUPPLY
RIPPLE = 3mVrms MAX
trr
IFM 1.0
i(t) di/dt = 50A/uS
0
Zout 11/2 MAX
DC to 2kHz
% CARBON CORE
IRM (REC)
FOR RECTIFIER
1.4
INSTANTANEOUS FORWARD VOLTAGE, (V)
SET TIME BASE FOR
50/100 ns/cm
RECTRON
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