DIOTEC ELECTRONICS CORP. Data Sheet No. SESA-401-1C 18020 Hobart Blvd., Unit B Gardena, CA 90248 U.S.A Tel.: (310) 767-1052 Fax: (310) 767-7958 4 AMP ULTRAFAST RECOVERY DIODES MECHANICAL SPECIFICATION FEATURES ACTUAL SIZE OF R PROPRIETARY SOFT GLASS JUNCTION PASSIVATION FOR SUPERIOR RELIABILITY AND PERFORMANCE SERIES UFR400 - UFR410 DO-27 PACKAGE 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 epoxy (U/L Flammability Rating 94V-0) Terminals: Plated axial leads LD (Dia) Solderability: Per MIL-STD 202 Method 208 guaranteed T Polarity: Color band denotes cathode S RoH Mounting Position: Any AN PLI M CO Minimum In mm Sym BL BD LL LD Weight: 0.04 Ounces (1.12 Grams) 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) RATINGS SYMBOL UFR UFR UFR UFR UFR UFR UFR UFR UFR 400 401 402 403 404 406 408 409 410 Series Number Maximum DC Blocking Voltage VRM 50 Maximum RMS Voltage VRMS 35 70 Maximum Peak Recurrent Reverse Voltage VRRM 50 100 200 300 Average Forward Rectified Current @ TA = (as shown) IO Peak Forward Surge Current ( 8.3mS single half sine wave superimposed on rated load) 3-Amps DC Maximum Forward Voltage at: 4-Amps DC Maximum Average DC Reverse Current At Rated DC Blocking Voltage Typical Thermal Resistance: UNITS Typical Junction Capacitance (Note 1) Junction Operating and Storage Temperature Range NOTES: (1) Measured at 1MHz and an applied reverse voltage of 4 volts. 140 210 IFSM 800 900 1000 280 420 560 630 400 800 900 1000 600 4 o @TA=55 C 1.70 1.85 10 50 1.20 1.25 5 50 IRM 7.5 18.0 RqJL RqJA 700 VOLTS AMPS 50 60 -65 to +175 VOLTS mA °C/W pF 45 CJ TJ, TSTG 600 200 VFM TRR 400 4 o @TA=80 C o @ TJ = 25 C o @ TJ = 125 C Junction to Lead Junction to Air Maximum Reverse Recovery Time (IF=0.5A, I R=1A, I RR=0.25A) 100 200 300 75 nSec °C 3.01 ufr400 C11 DIOTEC ELECTRONICS CORP. Data Sheet No. SESA-401-2C 18020 Hobart Blvd., Unit B Gardena, CA 90248 U.S.A Tel.: (310) 767-1052 Fax: (310) 767-7958 4 AMP ULTRAFAST RECOVERY DIODES RATING & CHARACTERISTIC CURVES FOR SERIES UFR400 - UFR410 250 Resistive and Inductive Loads 200 UFR400-404 150 100 UFR406-410 50 NOTE 1 NOTE 2 0 1 10 o 100 Ambient Temperature, C Number of Cycles at 60 Hz FIGURE 1. FORWARD CURRENT DERATING CURVE FIGURE 2. MAXIMUM NON-REPETITIVE SURGE CURRENT 100 (2) (1) UFR400-404 T (2) UFR406-410 J = 175 o C (1) 10 T J = 175 o C (2) (1) 1.0 (2) T J = 25 o C 0.1 (1) NOTE 4 T J = 25 o C (1) UFR400-404 (2) UFR406-410 NOTE 3 0.01 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 0 20 40 60 80 100 120 140 Percent of Rated Peak Reverse Voltage Instantaneous Forward Voltage (Volts) FIGURE 3. TYPICAL FORWARD CHARACTERISTICS FIGURE 4. TYPICAL REVERSE CHARACTERISTICS 100 NOTES (1) Lead Length = 0.375" (9.5mm) (2) (2) JEDEC Method, 8.3 mSec. Single Half Sine Wave (1) 10 (3) TJ = 25 C, Pulse Width = 300 mSec, 2.0% Duty Cycle o (4) These Curves Are Typical For The Highest Voltage Diode in The Voltage Grouping. (1) UFR400-404 (2) UFR406-410 0 10 20 30 40 50 Reverse Voltage, (Volts) C12 FIGURE 5. TYPICAL JUNCTION CAPACITANCE 3.01 ufr400