UG4D

UG4A THRU UG4D ULTRAFAST EFFICIENT PLASTIC RECTIFIER Reverse Voltage – 50 to 200 V Forward Current – 4 A Features • Ultrafast recovery time for high efficiency • Soft recovery characteristics • Excellent high temperature switching • Glass passivated junction Mechanical Data • Case: Molded plastic, DO-201AD • Terminals: Plated axial leads, solderable per MIL-STD-750, method 2026 • Polarity: Color band denotes cathode end • Mounting position: Any Absolute Maximum Ratings and Characteristics Ratings at 25 OC ambient temperature unless otherwise specified. Parameter Maximum Repetitive Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current 0.375"(9.5 mm) Lead Length at TL = 75 OC Peak Forward Surge Current, 8.3 ms Single Half-sine-wave Superimposed on rated load (JEDEC method) at TL = 75 OC Maximum Forward Voltage at 4 A Maximum Reverse Current at Rated DC Blocking Voltage Maximum Reverse Recovery Time 1) Maximum Reverse Recovery Time 2) DO-201AD 0.052(1.32) 0.048(1.22) 0.210(5.3) 0.190(4.8) 1.0 (25.4) MIN. 0.375(9.5) 0.285(7.2) 1.0 (25.4) MIN. Dimensions in inches and (millimeters) Symbols VRRM VRMS VDC I(AV) IFSM VF TA = 25 OC TA = 100 OC TJ = 25 C O UG4A 50 35 50 UG4B 100 70 100 4 150 UG4C 150 105 150 UG4D 200 140 200 Units V V V A A V µA ns ns nC pF O 0.95 5 300 20 30 50 15 30 20 25 -55 to +150 IR trr TJ = 100 OC Maximum Recovered stored charge Time 2) TJ = 25 OC TJ = 100 C O trr Qrr CJ RθJA TJ, Tstg Typical Junction Capacitance 3) Typical Thermal Resistance 1) 2) 4) C/W O Operating Junction and Storage Temperature Range C Reverse recovery test conditions: IF = 0.5 A, IR = 1 A, Irr = 0.25 A. trr and Qrr measured at tester: IF = 4 A, VR = 30 V, di/dt = 50 A/µs, Irr = 10% IRM for measurement of trr. 3) Measured at 1 MHz and applied reverse voltage of 4 V. 4) Thermal resistance from junction to ambient at 0.375" (9.5 mm) lead length. SEMTECH ELECTRONICS LTD. (Subsidiary of Semtech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) R Dated : 26/04/2006 C UG4A THRU UG4D SEMTECH ELECTRONICS LTD. (Subsidiary of Semtech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) R Dated : 26/04/2006 C