LESHAN RADIO COMPANY, LTD.
1N4933G-1N4937G
GPP
RATING & CHARACTERISTIC CURVES OF FAST GPP DIODE
FIG.1-REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
3Ω¸25W
8
115Va 10K
60Hz 2W
7
3
6
C.P.CLARE
HPG1002
5
4
1 AMP
SLO BLO
FUSE
C
1
I.0µF
300V
R
2
1Ω¸
10W
NON
INSUCTIVE
1
2
UNIT
UNDER TEST
1.0Adc FROM
CONSTANT
VOLTAGE SUPPLY
RIPPLE=3mVrms MAX
I
FM
i(t) di/dt=50A/
µs
Trr
30Ω¸50W
NON INDUCTIVE
I
RM
(REC)
1cm
30Vdc
CONSTANT VOLTAGE
SUPPLY
SET TIME BASE
FOR 50/100ns/cm
MINIMIZE ALL LEAS LENGTHS
Zout 1.5Ω¸ MAX
DC to 2KHz
A TEKTRONIX 545A.K PLUG IN PRE AMP
P6000 PROBE OR EQUIVALENT
R
1
ADJUSTED FOR 1.4
Ω¸
BETWEEN
POINT 2 OF RELAY AND RECTIFIER
INDUCTIVE =38µH
R
2
TEN 1W 10Ω¸% CARBON CORE
IN PARALLEL
T
A
25
+10
ºC FOR RECTIFIER
O
FIG.3-TYPICAL FORWARD CHARACTERISTICS
10
0.5
INSTANTANEOUS FORWARD CURRENT,(A)
FIG. 2 - TYPICAL FORWARD
CURRENT DERATING CURVE
1
AVERAGE FORWARD CURRENT,(A)
0.4
0.3
.1
T
J
=25ºC
Pulse Width =300µs
2% Duty Cycle
.01
.6
.8
1.0
1.2
1.4
1.6
1.8
2.0
0.2
0.1
Resistive or
Inductive Load
0.375”(9.5mm)
Lead lengths
0
25
50
75
100
125
150
175
0
INSTANTANEOUS FORWARD VOLTAGE,(V)
AMBIENT TEMPER ATURE, (ºC)
FIG.5-TYPICAL REVERSE CHARACTERISTICS
20
10
INSTANTANEOUS REVERSE CURRENT (µA)
FIG.4-TYPICAL JUNCTION CAPACITANCE
10
T
J
=125ºC
1
T
J
=75ºC
CAPACITANCE,(pF)
5
T
J
= 25ºC
.1
T
J
=25ºC
1
1
5
10
50
100
.01
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE,(%)
REVERSE VOLTAGE,(V)
36A–2/2
LRC [ LESHAN RADIO COMPANY ]
