21FQ035

www.DataSheet4U.com PD-2.043 rev. D 12/97 21FQ... SERIES SCHOTTKY RECTIFIER 30 Amp Major Ratings and Characteristics Characteristics I F(AV) Rectangular waveform VRRM range I FSM @ tp = 5 µs sine VF TJ @ 30 Apk, TJ = 125°C range 35 to 45 7800 0.51 - 65 to 150 V Description/Features Units A The 21FQ Schottky rectifier series has been optimized for very low forward voltage drop, with moderate leakage. The proprietary barrier technology allows for reliable operation up to 150° C junction temperature. Typical applications are in switching power supplies, converters, free-wheeling diodes, and reverse battery protection. 150° C TJ operation A V °C Very low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability Hermetic packaging 21FQ... 30 CASE STYLE AND DIMENSIONS Conforms to JEDEC Outline DO-203AA (DO-4) Dimensions in millimeters and inches www.irf.com 1 21FQ... Series PD-2.043 rev. D 12/97 Voltage Ratings Part number VR Max. DC Reverse Voltage (V) 35 40 45 VRWM Max. Working Peak Reverse Voltage (V) 21FQ035 21FQ040 21FQ045 Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward Current * See Fig. 5 IFSM EAS IAR Max. Peak One Cycle Non-Repetitive Surge Current * See Fig. 7 Non-Repetitive Avalanche Energy Repetitive Avalanche Current 21FQ 30 7800 600 40 6 Units A Conditions 50% duty cycle @ TC = 107 °C, rectangular wave form 5µs Sine or 3µs Rect. pulse Following any rated load condition and with rated VRR...