18TQ045

Bulletin PD-20178 rev. C 07/03 18TQ... 18TQ...S SCHOTTKY RECTIFIER 18 Amp IF(AV) = 18Amp VR = 35 to 45V Major Ratings and Characteristics Characteristics IF(AV) Rectangular waveform VRRM range IFSM @ tp = 5 µs sine VF TJ @ 18 Apk, TJ = 125°C range Description/Features Units A V A V °C The 18TQ Schottky rectifier series has been optimized for low reverse leakage at high temperature. The proprietary barrier technology allows for reliable operation up to 175°C junction temperature. Typical applications are in switching power supplies, converters, free-wheeling diodes, and reverse battery protection. High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance Low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability 175° C TJ operation 18TQ 18 35 to 45 1800 0.53 - 55 to 175 Case Styles 18TQ... 18TQ... S Base Cathode 2 Base Cathode 2 1 3 1 3 Cathode Anode N/C Anode TO-220AC www.irf.com D2PAK 1 18TQ... Series Bulletin PD-20178 rev. C 07/03 Voltage Ratings Part number VR Max. DC Reverse Voltage (V) 35 40 45 VRWM Max. Working Peak Reverse Voltage (V) 18TQ035 18TQ040 18TQ045 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 18TQ 18 1800 390 24 3.6 Units A Conditions 50% duty cycle @ TC = 149° C...