GE DG3 Clamper / damper glass passivated rectifier Datasheet

CG3 AND DG3
CLAMPER / DAMPER GLASS PASSIVATED RECTIFIER
Reverse Voltage - 1400 to 1500 Volts
Forward Current - 3.0 Amperes
*
FEATURES
P
A
T
E
N
T
E
D
DG3
1.0 (25.4)
MIN
0.200 (5.08)
0.120 (3.05)
DIA.
0.300 (7.6)
MAX.
0.052 (1.32)
0.048 (1.22)
DIA.
1.0 (25.4)
MIN
♦ 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 TA=50°C with no
thermal runaway
♦ Typical IR less than 0.1µA
♦ Hermetically sealed package
♦ Capable of meeting environmental standards of
MIL-S-19500
♦ High temperature soldering guaranteed:
350°C/10 seconds, 0.375" (9.5mm) lead length,
5 lbs. (2.3kg) tension
MECHANICAL DATA
Dimensions in inches and (millimeters)
*Brazed-lead assembly is covered by Patent No. 3,930,306
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 25°C ambient temperature unless otherwise specified.
SYMBOLS
CG3
DG3
UNITS
Maximum repetitive peak reverse voltage
VRRM
1400
1500
Volts
Maximum RMS voltage
VRMS
980
1050
Volts
Maximum DC blocking voltage
VDC
1400
1500
Volts
Maximum average forward rectified current
0.375” (9.5mm) lead length at TA=50°C
I(AV)
3.0
Amps
Peak forward surge current 8.3ms single half sinewave
superimposed on rated load (JEDEC Method) at TA=50°C
IFSM
100.0
Amps
VF
1.2
Volts
IR
5.0
100.0
µA
IR(AV)
200.0
µA
Maximum instantaneous forward voltage at 3.0A
Maximum DC reverse current
at rated DC blocking voltage
TA=25°C
TA=100°C
Maximum full load reverse current full cycle
average, 0.375” (9.5mm) lead length at TA=70°C
µs
Maximum reverse recovery time (NOTE 1)
trr
Typical junction capacitance (NOTE 2)
CJ
40.0
pF
RΘJA
20.0
°C/W
TJ, TSTG
-65 to +175
°C
Typical thermal resistance (NOTE 3)
Operating junction and storage temperature range
NOTES:
(1) Measured with IF=0.5A, IR=50mA
(2) Measured at 1.0 MHZ 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
15.0
20.0
RATINGS AND CHARACTERISTIC CURVES CG3 AND DG3
FIG. 2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
AVERAGE FORWARD RECTIFIED
CURRENT, AMPERES
FIG. 1 - FORWARD CURRENT DERATING CURVE
4.0
3.0
2.0
1.0
0.375"(9.5mm) LEAD LENGTH
0
0
25
50
75
100
125
150
175
AMBIENT TEMPERATURE, °C
PEAK FORWARD SURGE CURRENT,
AMPERES
200
60 HZ
RESISTIVE OR
INDUCTIVE LOAD
TA=50°C
8.3ms SINGLE HALF
SINE-WAVE (JEDEC Method)
100
10
1
10
100
NUMBER OF CYCLES AT 60 HZ
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
30
INSTANTANEOUS REVERSE CURRENT,
MICROAMPERES
10
INSTANTANEOUS FORWARD CURRENT,
AMPERES
10
TJ=25°C
PULSE WIDTH=300µs
1% DUTY CYCLE
1
1.0
0.1
TJ=25°C
0.01
0
0.1
20
40
60
80
PERCENT OF RATED PEAK REVERSE VOLTAGE, %
0.01
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
JUNCTION, CAPACITANCE, pF
TJ=100°C
100
TJ=25°C
f=1.0 MHz
Vsig=50mVp-p
10
1
10
REVERSE VOLTAGE, VOLTS
100
100
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