CN18A - CN18M CELL RECTIFIER DIODES PRV : 50 - 1000 Volts Io : 18 Amperes C18A 6.20 FEATURES : * * * * * * High current capability High surge current capability High reliability Low reverse current Low forward voltage drop Chip form 5.4 0.51 ANODE 1.43 CATHODE 0.38 MECHANICAL DATA : * Case : C18A * Terminals : Solderable per MIL-STD-202, Method 208 guaranteed * Polarity : Cathode to bigger size slug, For Anode to bigger size slug use "R" suffix. * Mounting position : Any * Weight : 0.29 gram Dimensions in millimeter MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating at 25 °C ambient temperature unless otherw ise specified. Single phase, half w ave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. RATING SYMBOL CN18A CN18B CN18D CN18G CN18J CN18K CN18M UNITS Maximum Repetitive Peak Reverse Voltage VRRM 50 100 200 400 600 800 1000 Volts Maximum RMS Voltage VRMS 35 70 140 280 420 560 700 Volts Maximum DC Blocking Voltage VDC 50 100 200 400 600 800 1000 Volts Maximum Average Forward Current Tc = 75°C IF(AV) 18 Amps IFSM 400 Amps VF 1.1 Volts Peak Forward Surge Current Single half sine wave superimposed on rated load (JEDEC Method) Maximum Forward Voltage at IF = 18 Amps. IR 5.0 µA IR(H) 1.0 mA Typical Junction Capacitance (Note 1) CJ 300 pF Thermal Resistance, Junction to Case RθJC 10 °C/W Junction Temperature Range TJ - 65 to + 175 °C Storage Temperature Range TSTG - 65 to + 175 °C Maximum DC Reverse Current at rated DC Blocking Voltage Ta = 25 °C Ta = 100 °C Note : (1) Measured at 1.0 MHz and applied reverse Voltage of 4.0 V DC UPDATE : APRIL 23, 1998 FIG.1 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 20 PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD OUTPUT CURRENT, AMPERES RATING AND CHARACTERISTIC CURVES ( CN18A - CN18M ) 16 12 8 4 0 400 Ta = 25 °C 320 240 160 80 0 0 25 50 75 100 125 150 175 1 2 CASE TEMPERATURE, ( °C) FIG.3 - TYPICAL FORWARD CHARACTERISTICS 10 Pulse Width = 300 µs 2% Duty C y c le TJ = 25 °C 10 20 40 60 100 2000 1000 TJ = 25 °C 500 100 50 f = 1.0 MHz Vsig = 50mVp-p 10 1 2 4 10 20 40 100 REVERSE VOLTAGE, VOLTS 0.1 0.01 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 FORWARD VOLTAGE, VOLTS 1.3 1.4 REVERSE CURRENT, MICROAMPERES FORWARD CURRENT, AMPERES 6 FIG 4 . - TYPICAL JUNCTION CAPACITANCE JUNCTION CAPACITANCE, (pF) 200 100 1.0 4 NUMBER OF CYCLES AT 60Hz FIG. 5 - TYPICAL REVERSE CHARACTERISTICS 10 Ta = 100 °C 1.0 0.1 Ta = 25 °C 0.01 0 20 40 60 80 100 120 PERCENT OF RATED REVERSE VOLTAGE, (%) 140