FEATURES
Low cost
Glass passivated junction
Low leakage
Low forward voltage drop
High current capability
and similar solvents
M ECHANICAL DAT A
Cas e:JEDEC DO-41,molded plastic
Terminals: Axial lead ,solderable per
MIL- STD-202,Method 208
Polarity: Color band denotes cathode
Weight: 0.34 grams
Mounting position: Any
MAXI MUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 ambient temperature unless otherwise specified.
Single phase,half wave,60 Hz,resistive or inductive load. For capacitive load,derate by 20%.
1N
4935G
1N
4936G
1N
4937G UNITS
Maximum recurrent peak reverse voltage VRRM 200 400 600 V
Max imum RMS v olt age VRMS 140 280 420 V
Max imum DC blo c king v olt age VDC 200 400 600 V
Maximum average forw ard rectified current
9.5mm lead length, @TA=75
Peak forw ard surge current
8.3ms single half-sine-w ave
superimposed on rated load @TJ=125
Maximum instantaneous forw ard voltage
@1.0 A
VF
V
Maximum reverse current @TA=25
at rated DC blocking voltage @TA=100
Maximym reverse capacitance (Note1) trr ns
Typical junction capacitance (Note2) CJpF
Typical thermal resistance (Note3) RθJA /W
Operating junction temperature range TJ
Storage temperature range TSTG
NOTE: 1. Measured with IF=0.5A IR=1A Irr=0.25A.
GALAXY ELECTRICAL
DO - 41
50
35
50
1N
4933G
Easily cleaned with Freon,Alcohil,Isopropanop
100
70
A
IFSM
3. Thermal resistance f rom junction to ambient.
A
2. Measured at 1.0MHz and applied rev erse v oltage of 4.0V DC.
- 55---- +175
- 55---- + 175
22.0
The plas tic material carries U/L recognition 94V-0
IR
30.0
5.0
100.0
1.3
1N4933G---1N4937G
200
12.0
VOLTAGE RANGE: 50 --- 600 V
CURRENT: 1. 0 A
100
1N
4934G
1.0 A
GLASS PASSIVATED JUNCTION
IF(AV)
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BL
BLGALAXY ELECTRICALDocument Number 0269004 1.
1.40.2
0.01
0.80.4 0.6 1.0 1.2 2.01.6 1.8
0.1
1.0
20
10
TJ=25
PULSE WIDTH=300 s
0
110
TJ=25
8.3ms Single Half
Sine-Wave
24 6 2040 60 100
12
18
24
30
6
0.2
0.4
0.6
0.8
1.0
0 25 100 150
Single Phase
Half Wave 50HZ
Resistive or
Inductive Load
0
17550 12575
-1.0A
-0.25A
0
+0.5A
trr
PULSE
GENERATOR
(NOTE2)
D.U.T.
1
N.1.
50
N.1.
OSCILLOSCOPE
(NOTE 1)
(+)
50VDC
(APPROX)
(-)
10
N.1.
(-)
(+)
BLGALAXY ELECTRICAL
www.galaxycn.com
Document Number 0269004 2.
AMPERES
AMPERES
AMPERES
JUNCTION CAPACITANCE,pF
AVERAGE FORWARD OUTPUT CURRENT
FIG.3 --PEAK FORWARD SURGE CURRENT
1N4933G - - -1N4937G
SET TIME BASE FOR 50/100 ns /cm
LEAD TEMPERATURE,
RATINGS AND CHARACTERISTIC CURVES
NUMBER OF CYCLES AT 60 Hz
NOTES:1.RISE TIME = 7ns MAX. INPUT IMPEDANCE = 1M . 22PF
FIG.1 -- TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC
FIG.2 --FORWARD CURRENT DERATING CURVE
FORWARD VOLTAGE,VOLTS REVERSE VOLTAGE,VOLTS
PEAK FORWARD SURGE CURRENT
FORWARD CURRENT
FIG.4--TYPICAL FORWARD CHARACTERISTIC FIG.4--TYPICAL JUNCTION CAPACITANCE
2. RISE TIME = 1 0ns MA X. SOURCE IMPEDA NCE = 50
.1 .2 .4 1.0 2 4 10 20 40 100
1
2
4
10
12
14
16
20
TJ=25
f=1MHz
