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81CNQ...A Series Vishay High Power Products Schottky Rectifier New Generation 3 D-61 Package, 2 x 40 A FEATURES 81CNQ...A Base common cathode • 175 °C TJ operation • Center tap module • Low forward voltage drop 1 Anode 1 D-61-8 2 Common cathode 3 Anode 2 • High frequency operation • High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance 81CNQ...
81CNQ...A Series Vishay High Power Products Schottky Rectifier New Generation 3 D-61 Package, 2 x 40 A ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL TEST CONDITIONS VALUES UNITS Maximum average forward current See fig. 5 IF(AV) Maximum peak one cycle non-repetitive surge current per leg See fig. 7 IFSM Non-repetitive avalanche energy per leg EAS TJ = 25 °C, IAS = 8 A, L = 1.
81CNQ...A Series Schottky Rectifier Vishay High Power Products New Generation 3 D-61 Package, 2 x 40 A THERMAL - MECHANICAL SPECIFICATIONS PARAMETER SYMBOL Maximum junction and storage temperature range Maximum thermal resistance, junction to case per leg Maximum thermal resistance, junction to case per package Typical thermal resistance, case to heatsink (D-61-8 only) TEST CONDITIONS TJ, TStg RthJC RthCS VALUES UNITS - 55 to 175 °C DC operation See fig. 4 0.85 DC operation 0.
81CNQ...A Series Schottky Rectifier New Generation 3 D-61 Package, 2 x 40 A Vishay High Power Products 1000 1000 Tj = 175°C Reverse Current - IR (mA) 100 125°C 1 100°C 75°C 0.1 50°C 25°C 0.01 0.001 0 5 10 15 20 25 30 35 40 45 Reverse Voltage - VR (V) 10 Fig. 2 - Typical Values of Reverse Current vs. Reverse Voltage (Per Leg) T = 175°C J 10000 T = 125°C J Junction Capacitance - C T (p F) Instantaneous Forward Current - I F (A) 100 150°C 10 T = 25°C J 1 T J = 25°C 1000 0.1 0 0.2 0.
81CNQ...A Series Schottky Rectifier Vishay High Power Products New Generation 3 D-61 Package, 2 x 40 A 32 RthJC (DC) = 0.85 °C/W Average Power Loss (Watts) Allowable Case Temperature (°C) 180 170 160 DC 150 D = 0.08 28 D = 0.17 D = 0.25 24 D = 0.33 D = 0.50 20 DC 16 RMS Limit 12 8 4 140 0 10 20 30 40 50 0 60 0 10 20 30 40 50 60 Average Forward Current - IF(AV) (A) Average Forward Current - IF(AV) (A) Fig. 5 - Maximum Allowable Case Temperature vs.
81CNQ...
Outline Dimensions Vishay High Power Products D-61-8, D-61-8-SM, D-61-8-SL DIMENSIONS FOR D-61-8 in millimeters (inches) Ø 4.17 (0.164) Ø 3.91 (0.154) (2 x) 30.15 (1.187) 29.90 (1.177) 8.89 (0.350) 8.73 (0.344) 1 2 3 11.05 (0.435) REF. 0.89 (0.035) 0.73 (0.029) 1.98 (0.078) 1.72 (0.068) 5.20 (0.205) 4.95 (0.195) 10.28 (0.405) 10.03 (0.395) 16.2 (0.640) REF. 14° MIN. 1.04 (0.041) 0.84 (0.033) 14° MIN. 5.97 (0.235) 5.71 (0.225) 37.97 (1.495) 37.72 (1.485) (2 x) R 0.0200 5° (2 x) 5° (2 x) 3.
Outline Dimensions Vishay High Power Products D-61-8, D-61-8-SM, D-61-8-SL DIMENSIONS FOR D-61-8-SM in millimeters (inches) 19.93 (0.785) 19.68 (0.775) 8.89 (0.350) 8.73 (0.344) 11.05 (0.435) REF. 0.89 (0.035) 0.73 (0.029) 1.98 (0.078) 1.72 (0.068) 5.20 (0.205) 4.95 (0.195) 10.28 (0.405) 10.03 (0.395) 14° MIN. 1.04 (0.041) 0.84 (0.033) 14° MIN. 5.97 (0.235) 5.71 (0.225) 3.30 (0.130) 3.04 (0.120) 10.79 (0.425) MAX. 1.40 (0.055) 1.14 (0.045) www.vishay.
Outline Dimensions D-61-8, D-61-8-SM, D-61-8-SL Vishay High Power Products DIMENSIONS FOR D 61-8-SL in millimeters (inches) 14° MIN. 14° MIN. 19.93 (0.785) 19.68 (0.775) 0.89 (0.035) 0.73 (0.029) 8.89 (0.350) 8.73 (0.344) 2.67 (0.105) 2.16 (0.085) 5.59 (0.220) 5.08 (0.200) R 0.51 (0.020) 5° R 0.76 (0.030) 1.98 (0.078) 1.72 (0.068) 1.04 (0.041) 0.84 (0.033) DETAIL “A” 3.30 (0.130) 3.05 (0.120) 5.20 (0.205) 4.95 (0.195) 5.33 (0.210) R0 0.508 (R 0.02) 5.97 (0.235) 5.71 (0.225) 3.97 (0.156) 3.
Legal Disclaimer Notice Vishay Disclaimer All product specifications and data are subject to change without notice. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein or in any other disclosure relating to any product.