CG3 AND DG3
CLAMPER / DAMPER GLASS PASSIVATED RECTIFIER
Reverse Voltage - 1400 to 1500 Volts Forward Current - 3.0 Amperes
FEATURES
Specially designed for clamping circuits horizontal
deflection systems and damper applications
High temperature metallurgically bonded construction
Glass passivated cavity-free junction
3.0 Ampere operation
at T
A
=50C with no
thermal runaway
Typical I
R
less than 0.1
A
Hermetically sealed package
Capable of meeting environmental standards of
MIL-S-19500
High temperature soldering guaranteed:
350C/10 seconds, 0.375" (9.5mm) lead length,
5 lbs. (2.3kg) tension
MECHANICAL DATA
Case: Solid glass body
Terminals: Solder plated axial leads, solderable per
MIL-STD-750, Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight: 0.04 ounce, 1.1 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25C ambient temperature unless otherwise specified.
SYMBOLS
CG3
DG3
UNITS
Maximum repetitive peak reverse voltage
V
RRM
1400
1500
Volts
Maximum RMS voltage
V
RMS
980
1050
Volts
Maximum DC blocking voltage
V
DC
1400
1500
Volts
Maximum average forward rectified current
0.375" (9.5mm) lead length at T
A
=50C
I
(AV)
3.0
Amps
Peak forward surge current 8.3ms single half sinewave
superimposed on rated load (JEDEC Method) at T
A
=50C
I
FSM
100.0
Amps
Maximum instantaneous forward voltage at 3.0A
V
F
1.2
Volts
Maximum DC reverse current
T
A
=25C
5.0
at rated DC blocking voltage
T
A
=100C
I
R
100.0
A
Maximum full load reverse current full cycle
average, 0.375" (9.5mm) lead length at T
A
=70C
I
R(AV)
200.0
A
Maximum reverse recovery time
(NOTE 1)
t
rr
15.0 20.0
s
Typical junction capacitance
(NOTE 2)
C
J
40.0
pF
Typical thermal resistance
(NOTE 3)
R
JA
20.0
C/W
Operating junction and storage temperature range
T
J
, T
STG
-65 to +175
C
NOTES:
(1) Measured with I
F
=0.5A, I
R
=50mA
(2) Measured at 1.0 MH
Z
and applied reverse voltage of 4.0 Volts
(3) Thermal resistance from junction to ambient at 0.375" (9.5mm) lead length,
with leads attached to heat sinks
4/98
PA
TENTED*
0.200 (5.08)
0.120 (3.05)
0.052 (1.32)
0.048 (1.22)
DIA.
DIA.
1.0 (25.4)
MIN
MAX.
0.300 (7.6)
1.0 (25.4)
MIN
DG3
Dimensions in inches and (millimeters)
*
Brazed-lead assembly is covered by Patent No. 3,930,306
1
10
100
10
100
200
10
100
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.01
0.1
1
10
30
1
10
100
0
25
50
75
100
125
150
175
0
1.0
2.0
3.0
4.0
0
20
40
60
80
100
0.01
0.1
1.0
10
RATINGS AND CHARACTERISTIC CURVES CG3 AND DG3
FIG. 1 - FORWARD CURRENT DERATING CURVE
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
60 H
Z
RESISTIVE OR
INDUCTIVE LOAD
T
J
=25
C
PULSE WIDTH=300
s
1% DUTY CYCLE
T
J
=25
C
T
J
=100
C
AMBIENT TEMPERATURE,
C
NUMBER OF CYCLES AT 60 H
Z
PERCENT OF RATED PEAK REVERSE VOLTAGE, %
AVERAGE FORWARD RECTIFIED
CURRENT, AMPERES
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
INSTANTANEOUS REVERSE CURRENT,
MICROAMPERES
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
REVERSE VOLTAGE, VOLTS
PEAK FORWARD SURGE CURRENT,
AMPERES
JUNCTION,
CAPACITANCE, pF
INSTANTANEOUS FORWARD CURRENT,
AMPERES
T
A
=50
C
8.3ms SINGLE HALF
SINE-WAVE (JEDEC Method)
T
J
=25
C
f=1.0 MHz
Vsig=50mVp-p
0.375"(9.5mm) LEAD LENGTH
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