DESCRIPTION
/FEATURES
Units A 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 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 VRRM applied A mJ A 10ms Sine or 6ms Rect. pulse TJ = 25 °C, IAS= 6 Amps, L = 2.2 mH Current decaying linearly to zero in 1 µsec Frequency limited by TJ max.
International Rectifier
