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