Power Diode Fast Recovery Features: Fast reverse recovery time, t rr Low forward voltage drop, V F Low cost axial packages High current capability High reliability High surge current capability Mechanical Data: Cases : Moulded plastic DO-201AD Lead : Axial leads, solderable per MIL-STD-202, Method 208 guaranteed Polarity : Colour band denotes cathode end High temperature : 260C/10 seconds/0.375 , (9.5mm) lead soldering guaranteed lengths at 5lbs., (2.3kg) tension Maximum Ratings and Electrical Characteristics Rating at 25C ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. Type Number Symbol HER305 HER307 Unit Maximum recurrent peak reverse voltage V 400 800 RRM Maximum RMS voltage V 280 560 V RMS Maximum DC blocking voltage V 400 800 DC Maximum average forward rectified current 0.375 (9.5mm) I 3 (AV) lead length at T = 55C A A Peak forward surge current, 8.3ms single half sine-wave I 150 FSM superimposed on rated load (JEDEC method) Maximum instantaneous forward voltage at 3A V 1.3 1.7 V F Maximum DC reverse current at T = 25C 10 A I R at rated DC blocking voltage at T = 100C 200 A Maximum reverse recovery time (Note 1) T 50 75 ns rr Typical junction capacitance (Note 2) C 70 50 pF j Typical thermal resistance (Note 3) RJA 40 C/W Operating temperature range T J -65 to +150 C Storage temperature range T STG Notes: 1. Reverse recovery test conditions: I = 0.5A, I = 1A, I = 0.25A F R RR 2. Measured at 1MHz and applied reverse voltage of 4V DC 3. Mount on Cu-Pad Size 16mm 16mm on PCB www.element14.com www.farnell.com www.newark.com Page <1> 17/10/12 V1.0Power Diode Fast Recovery DO-201AD Dimensions : Millimetres (Inches) Ratings and Characteristic Curves Figure 1 Reverse Recovery Time Characteristic and Test Circuit Diagram Note: 1. Rise Time = 7nS maximum Input Impedance = 1M, 22pF 2. Rise Time = 10nS maximum Source Impedance = 50 www.element14.com www.farnell.com www.newark.com Page <2> 17/10/12 V1.0