LESHAN RADIO COMPANY, LTD.
36A2/2
1N4933G-1N4937G
G P P
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
I
FM
I
RM
(REC)
i(t) di/dt=50A/
s
1cm
A TEKTRONIX 545A.K PLUG IN PRE AMP
P6000 PROBE OR EQUIVALENT
R
1
ADJUSTED FOR 1.4
BETWEEN
POINT 2 OF RELAY AND RECTIFIER
INDUCTIVE =38
H
1.0Adc FROM
CONSTANT
VOLTAGE SUPPLY
RIPPLE=3mVrms MAX
115Va 10K
60Hz 2W
1
7
6
8
5
3
2
C.P.CLARE
HPG1002
30
50W
NON INDUCTIVE
30Vdc
CONSTANT VOLTAGE
SUPPLY
3
25W
1 AMP
SLO BLO
FUSE
C
1
I.0
F
300V
UNIT
UNDER TEST
R
2
1
10W
NON
INSUCTIVE
Zout 1.5
MAX
DC to 2KHz
R
2
TEN 1W 10
% CARBON CORE
IN PARALLEL
+10
T
A
25
O
C 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, (C)
A
VERAGE FOR
W
ARD CURRENT
,(A)
0
25
50
75
100
125
150
175
0.5
0.4
0.3
0.2
0.1
0
INST
ANT
ANEOUS FOR
W
ARD CURRENT
,(A)
INSTANTANEOUS FORWARD VOLTAGE,(V)
.6
.8
1.0
1.2
1.4
1.6
1.8
2.0
T
J
=25C
Pulse Width =300
s
2% Duty Cycle
FIG.3-TYPICAL FORWARD CHARACTERISTICS
10
1
.1
.01
CAP
ACIT
ANCE,(pF)
10
5
1
FIG.4-TYPICAL JUNCTION CAPACITANCE
1
5
10
50
100
REVERSE VOLTAGE,(V)
T
J
= 25C
INST
ANT
ANEOUS REVERSE CURRENT (
A)
20
10
1
.1
.01
T
J
=125C
FIG.5-TYPICAL REVERSE CHARACTERISTICS
T
J
=75C
PERCENT OF RATED PEAK REVERSE VOLTAGE,(%)
0
20
40
60
80
100
120
140
T
J
=25C