DIOTEC ELECTRONICS CORP. Data Sheet No. SESA-301-1B 18020 Hobart Blvd., Unit B Gardena, CA 90248 U.S.A Tel.: (310) 767-1052 Fax: (310) 767-7958 MECHANICAL SPECIFICATION FEATURES ACTUAL SIZE OF DO-27 PACKAGE R PROPRIETARY SOFT GLASS JUNCTION PASSIVATION FOR SUPERIOR RELIABILITY AND PERFORMANCE SERIES UFR300 - UFR310 DO - 27 VOID FREE VACUUM DIE SOLDERING FOR MAXIMUM MECHANICAL STRENGTH AND HEAT DISSIPATION (Solder Voids: Typical < 2%, Max. < 10% of Die Area) LL BD (Dia) LOW SWITCHING NOISE LOW THERMAL RESISTANCE BL HIGH SWITCHING CAPABILITY Color Band Denotes Cathode LOW FORWARD VOLTAGE DROP MECHANICAL DATA LL Case: JEDEC DO-27 molded plastic (U/L Flammability Rating 94V-0) Terminals: Plated axial leads LD (Dia) Solderability: Per MIL-STD 202 Method 208 guaranteed Minimum In mm Sym Polarity: Color band denotes cathode BL Mounting Position: Any BD Weight: 0.04 Ounces (1.12 Grams) LL LD 1.00 0.048 25.4 1.2 Maximum In mm 9.28 0.365 0.205 5.2 0.052 1.3 MAXIMUM RATINGS & ELECTRICAL CHARACTERISTICS Ratings at 25 C ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load. For capacitive loads, derate current by 20%. PARAMETER (TEST CONDITIONS) SYMBOL RATINGS Maximum DC Blocking Voltage VRM UFR UFR UFR UFR UFR UFR UFR UFR UFR 300 301 302 303 304 305 306 308 310 50 100 200 300 400 500 600 800 1000 Maximum RMS Voltage VRMS 35 70 140 210 280 350 Maximum Peak Recurrent Reverse Voltage VRRM 50 100 200 300 400 500 Series Number Average Forward Rectified Current @ TA = 55 oC Peak Forward Surge Current ( 8.3mS single half sine wave superimposed on rated load) Maximum Forward Voltage at 3 Amps DC Maximum Average DC Reverse Current At Rated DC Blocking Voltage Typical Thermal Resistance, Junction to Lead IO 3 IFSM 160 VFM 1.25 o @ TC = 25 C o @ TC = 125 C UNITS 420 560 700 VOLTS 600 800 1000 AMPS 1.7 VOLTS IRM 5 50 A RJA 20 C/W Typical Junction Capacitance (Note 1) CJ 45 pF Maximum Reverse Recovery Time (IF=0.5A, IR=1A, IRR=0.25A) TRR Junction Operating and Storage Temperature Range NOTES: (1) Measured at 1 MHz and an applied reverse voltage of 4 volts. TJ, TSTG 75 50 -65 to +150 nSec C 3.01 ufr300 C9 DIOTEC ELECTRONICS CORP. Data Sheet No. SESA-301-2B 18020 Hobart Blvd., Unit B Gardena, CA 90248 U.S.A Tel.: (310) 767-1052 Fax: (310) 767-7958 3 AMP ULTRAFAST RECOVERY DIODES RATING & CHARACTERISTIC CURVES FOR SERIES UFR300 - UFR310 175 Resistive and Inductive Loads 160 150 125 NOTE 1 100 75 50 Ambient Temperature, oC 25 10 1 FIGURE 1. FORWARD CURRENT DERATING CURVE 100 Number of Cycles at 60 Hz FIGURE 2. MAXIMUM NON-REPETITIVE SURGE CURRENT 100 100 TJ = 150 oC 10 10 UFR300-304 TJ = 100 oC 1.0 TJ = 25 oC 1.0 0.1 UFR305-310 0.1 0.01 0 20 40 60 80 100 120 140 Percent of Rated Peak Reverse Voltage 0.01 FIGURE 4. TYPICAL REVERSE CHARACTERISTICS Instantaneous Forward Voltage (Volts) FIGURE 3. TYPICAL FORWARD CHARACTERISTICS 200 160 NOTES (1) Single Phase, Half Wave, 60 Hz; Lead Length = 0.375" (9.5mm) 120 UFR306-310 (2) JEDEC Method, 8.3 mSec. Single Half Sine Wave; 80 UFR300-305 (3) TJ = 25 oC, Pulse Width = 300 Sec, 2.0% Duty Cycle 40 0 0.1 1 10 100 Reverse Voltage, (Volts) FIGURE 5. TYPICAL JUNCTION CAPACITANCE C10 4.97bsesa3a