Document
CG3 AND DG3
CLAMPER / DAMPER GLASS PASSIVATED RECTIFIER
Reverse Voltage - 1400 to 1500 Volts Forward Current - 3.0 Amperes
FEATURES
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
P A T
E
N
T
*
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 Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current 0.375” (9.5mm) lead length at TA=50°C Peak forward surge current 8.3ms single half sinewave superimposed on rated load (JEDEC Method) at TA=50°C Maximum instantaneous forward voltage at 3.0A Maximum DC reverse current at rated DC blocking voltage TA=25°C TA=100°C
VRRM VRMS VDC I(AV) IFSM VF IR IR(AV) trr CJ RΘJA TJ, TSTG
1400 980 1400 3.0 100.0 1.2 5.0 100.0 200.0 15.0 40.0 20.0 -65 to +175
1500 1050 1500
Volts Volts Volts Amps Amps Volts µA µA
Maximum full load reverse current full cycle average, 0.375” (9.5mm) lead length at TA=70°C Maximum reverse recovery time (NOTE 1) Typical junction capacitance (NOTE 2) 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
20.0
µs pF °C/W °C
4/98
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
PEAK FORWARD SURGE CURRENT, AMPERES
60 HZ RESISTIVE OR INDUCTIVE LOAD
200
TA=50°C 8.3ms SINGLE HALF SINE-WAVE (JEDEC Method)
100
0
0
25
50
75
100
125
150
175
AMBIENT TEMPERATURE, °C
10
1
10
NUMBER OF CYCLES AT 60 HZ
100
FIG. 3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
30
INSTANTANEOUS REVERSE CURRENT, MICROAMPERES
10
TJ=100°C
10
INSTANTANEOUS FORWARD CURRENT, AMPERES
1.0
1
TJ=25°C PULSE WIDTH=300µs 1% DUTY CYCLE
0.1
TJ=25°C
0.1
0.01 0
20
40
60
80
100
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
100
TJ=25°C f=1.0 MHz Vsig=50mVp-p
10 1 10
REVERSE VOLTAGE, VOLTS
100
.