LESHAN RADIO COMP ANY , LTD.
36A–1/2
FAST GPP DIODES
1N4933G
1N4934G
1N4935G
1N4936G
1N4937G
TYPE Maximum
Peak Reverse
Voltage
Maximum Average
Rectified Current
@ Half-Wave
Resistive Load 60Hz
Maximum
Forward Peak
Surge Current @
8.3ms Superimposed
Maximum
Reverse
Current @ PRV
@ TA=25ºC
Maximum
Forward
Voltage
@ TA=25ºC
Package
Dimensions
Maximum
Reverse
Recovery Time
1.0
Trr I F = 0.5A, I R = 1.0A, I RR = 0.25A
T rr Test Conditions: I F = 0.5A, I R = 1.0A, I RR = 0.25A
50
100
200
400
600
PRV
V PK
I O @ T L
A AV ºC
I FM (Surge)
A PK
I R
µAdc
I FM V FM
A PK V PK
Trr
ns
1N4933G – 1N4937G
55 30 5.0 1.0 1.2 150 DO – 41
DO – 41
.107(2.7) DIA
.080(2.0)
1.0(25.4)
MIN
.205(5.2)
.166(4.2)
.034(0.9) DIA
.028(0.7)
1.0(25.4)
MIN
LESHAN RADIO COMP ANY , LTD.
36A–2/2
1N4933G-1N4937G
GPP
RATING & CHARACTERISTIC CURVES OF FAST GPP DIODE
SET TIME BASE
FOR 50/100ns/cm
FIG.1-REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
Trr
IFM
IRM(REC)
i(t) di/dt=50A/ µs
1cm
A TEKTRONIX 545A.K PLUG IN PRE AMP
P6000 PROBE OR EQUIVALENT
R1 ADJUSTED FOR 1.4 Ω¸ BETWEEN
POINT 2 OF RELAY AND RECTIFIER
INDUCTIVE =38µH
1.0Adc FROM
CONSTANT
VOLTAGE SUPPLY
RIPPLE=3mVrms MAX
115Va 10K
60Hz 2W
1
7
6
8
5
3
2
C.P.CLARE
HPG1002
30Ω¸50W
NON INDUCTIVE
30Vdc
CONSTANT VOLTAGE
SUPPLY
3Ω¸25W
1 AMP
SLO BLO
FUSE
C1
I.0µF
300V
UNIT
UNDER TEST
R2
1Ω¸
10W
NON
INSUCTIVE
Zout 1.5Ω¸ MAX
DC to 2KHz
R2 TEN 1W 10Ω¸% CARBON CORE
IN PARALLEL
+10
TA 25 O ºC FOR RECTIFIER
MINIMIZE ALL LEAS LENGTHS
4
Resistive or
Inductive Load
0.375”(9.5mm)
Lead lengths
FIG. 2 - TYPICAL FORWARD
CURRENT DERATING CURVE
AMBIENT TEMPER ATURE, (ºC)
AVERAGE FORWARD CURRENT,(A)
0 25 50 75 100 125 150 175
0.5
0.4
0.3
0.2
0.1
0
INSTANTANEOUS FORWARD CURRENT,(A)
INSTANTANEOUS FORWARD VOLTAGE,(V)
.6 .8 1.0 1.2 1.4 1.6 1.8 2.0
TJ =25ºC
Pulse Width =300µs
2% Duty Cycle
FIG.3-TYPICAL FORWARD CHARACTERISTICS
10
1
.1
.01
CAPACITANCE,(pF)
10
5
1
FIG.4-TYPICAL JUNCTION CAPACITANCE
1 5 10 50 100
REVERSE VOLTAGE,(V)
TJ = 25ºC
INSTANTANEOUS REVERSE CURRENT (µA)
20
10
1
.1
.01
TJ =125ºC
FIG.5-TYPICAL REVERSE CHARACTERISTICS
TJ =75ºC
PERCENT OF RATED PEAK REVERSE VOLTAGE,(%)
0 20 40 60 80 100 120 140
TJ =25ºC
