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70HF80M Datasheet(PDF) 5 Page - Vishay Siliconix |
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70HF80M Datasheet(HTML) 5 Page - Vishay Siliconix |
5 / 7 page Document Number: 93521 For technical questions, contact: ind-modules@vishay.com www.vishay.com Revision: 20-Jun-08 5 70HF(R) Series Standard Recovery Diodes (Stud Version), 70 A Vishay High Power Products Fig. 8 - Forward Power Loss Characteristics Fig. 9 - Maximum Non-Repetitive Surge Current Fig. 10 - Maximum Non-Repetitive Surge Current Fig. 11 - Forward Voltage Drop Characteristics Fig. 12 - Thermal Impedance ZthJC Characteristics 025 50 75 100 125 150 Maximum Allowable Ambient Temperature (°C) 0.7 K/W 1 K/W 1.5 K/W 2 K /W 3 K/W 5 K/W 0 20 40 60 80 100 120 020 40 60 80 100 120 DC 180° 120° 90° 60° 30° Average Forward Current (A) RMS Limit Conduction Period 70HF(R) Series (1400V to 1600V) T = 150°C J 300 400 500 600 700 800 900 1000 1100 110 100 Number Of Equal Amplitude Half Cycle Current Pulses (N) 70HF(R) Series Initial T = T Max. @ 60 Hz 0.0083 s @ 50 Hz 0.0100 s At Any Rated Load Condition And With Rated V Applied Following Surge. RRM J J 200 300 400 500 600 700 800 900 1000 1100 1200 0.01 0.1 1 Pulse Train Duration (s) Maximum Non Repetitive Surge Current 70HF(R) Series Initial T = T Max. No Voltage Reapplied Rated V Reapplied RRM Versus Pulse Train Duration. J J 1 10 100 1000 0 0.5 1 1.5 2 2.5 3 T = 25°C J Instantaneous Forward Voltage (V) T = T Max. J J 70HF(R) Series 0.001 0.01 0.1 1 10 0.0001 0.001 0.01 0.1 1 10 Square Wave Pulse Duration (s) Steady State Value R = 0.45 K/W (DC Operation) thJC 70HF(R) Series |
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