FORMOSA IN4937

1N4933G
THRU
1N4937G
1.0 AMP GLASS PASSIVATED FAST RECOVERY RECTIFIERS
VOLTAGE RANGE
50 to 600 Volts
CURRENT
1.0 Ampere
FEATURES
* Low forward voltage drop
* Low leakage current
* High reliability
* High current capability
DO-41
.107(2.7)
.080(2.0)
DIA.
1.0(25.4)
MIN.
* Glass passivated junction
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
.205(5.2)
.166(4.2)
1.0(25.4)
MIN.
.034(.9)
.028(.7)
DIA.
* Weight: 0.34 grams
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
1N4933G
1N4934G
1N4935G
1N4936G
50
35
50
100
70
100
200
140
200
400
280
400
1N4937G UNITS
V
600
V
420
V
600
.375"(9.5mm) Lead Length at Ta=55 C
Peak Forward Surge Current, 8.3 ms single half sine-wave
1.0
A
superimposed on rated load (JEDEC method)
Maximum Instantaneous Forward Voltage at 1.0A
Maximum DC Reverse Current
Ta=25 C
30
1.2
5.0
A
V
mA
at Rated DC Blocking Voltage
Ta=100 C
Maximum Reverse Recovery Time (Note 1)
Typical Junction Capacitance (Note 2)
Operating and Storage Temperature Range TJ, TSTG
100
200
15
-65 +175
mA
nS
NOTES:
1. Reverse Recovery Time test condition:IF=1.0A, VR=30V.
2. Measured at 1MHz and applied reverse voltage of 4.0V D.C.
pF
C
RATING AND CHARACTERISTIC CURVES (1N4933G THRU 1N4937G)
FIG.1-TYPICAL FORWARD
FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE
AVERAGE FORWARD CURRENT,(A)
CHARACTERISTICS
10
3.0
1.0
1.2
1.0
0.8
Single Phase
0.6
Half Wave 60Hz
Resistive Or Inductive Load
0.4
0.375"(9.5mm) Lead Length
0.2
0
0
20
40
60
Tj=25 C
80
100
120
140
160
180
200
AMBIENT TEMPERATURE,( C)
Pulse Width 300us
1% Duty Cycle
0.1
.01
.6
.8
1.0
1.2
1.4
1.6
1.8
2.0
FORWARD VOLTAGE,(V)
FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTICS
10K
2W
1
8
115Va
60Hz
2
7
3
30 W/50W
NON-INDUCTIVE
R1
3W
25W
UNIT
UNDER TEST
6
C P CLARE
HPG1002
4
5
1 AMP
SLO-BLO
FUSE
30Vdc
CONSTANT VOLTAGE
SUPPLY
C1
1.0mF
300V
A
R2
1W /10W
NONINDUCTIVE
+10
0
IFM 1.0
i(t)
di/dt=50A/mS
trr
0
24
18
8.3ms Single Half
Tj=25 C
Sine Wave
12
JEDEC method
6
1
5
50
10
100
NUMBER OF CYCLES AT 60Hz
C1
1.0mF
300V
Zout 11/2WMAX.
DC To 2KHz
FIG.5-TYPICAL JUNCTION CAPACITANCE
R2- TEN 1W 10W 1% CARBON CORE
IN PARALLEL
TA= 25
30
0
1.0Adc 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 14 BETWEEN
POINT 2 OF RELAY AND RECTIFIER
INDUCTIVE=3.8mH
PEAK FORWARD SURGE CURRENT,(A)
FIG.4-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
35
C FOR RECTIFIER
JUNCTION CAPACITANCE,(pF)
INSTANTANEOUS FORWARD CURRENT,(A)
50
30
25
20
15
10
5
IRM(REC) 2.0
0
1cm
.01
.05
.1
.5
1
SET TIME BASE FOR
50 / 100ns / cm
REVERSE VOLTAGE,(V)
5
10
50
100