RB491D

RB491D-HAF Schottky Barrier Diode For low power rectification and switching power supply applications 3 Features • Halogen and Antimony Free(HAF), RoHS compliant 1 1. Anode 2. NC. 3. Cathode TO-236 Plastic Package 2 Absolute Maximum Ratings (Ta = 25℃) Parameter Symbol Value Unit Peak Reverse Voltage VRM 25 V DC Reverse Voltage VR 20 V DC Forward Current IF 1 A IFSM 3 A Tj 125 ℃ Tstg - 40 to + 125 ℃ Peak Forward Surge Current (8.3 ms) Junction Temperature Storage Temperature Range Characteristics at Ta = 25℃ Parameter Reverse Breakdown Voltage at IR = 1 mA Forward Voltage at IF = 1 A Reverse Current at VR = 20 V 1/3 Symbol Min. Max. Unit V(BR)R 20 - V VF - 0.45 V IR - 200 µA ® Dated : 09/10/2022 Rev:02 RB491D-HAF Electrical Characteristics Curves Fig 1. Reverse Characteristics Curve Reverse Current (µA) Forward Current (A) Fig 2. Forward Characteristics Curve Reverse Voltage (V) Forward Voltage (V) Fig 3. Junction Capacitance Fig 4. DC Forward Current Derating Curve DC Forward Current (A) Junction Capacitance (pF) 1.25 1 0.75 0.5 0.25 0 0 25 50 75 100 125 150 Ambient Temperature ( ℃) Reverse Voltage (V) 2/3 ® Dated : 09/10/2022 Rev:02 RB491D-HAF Package Outline (Dimensions in mm) Unit mm A 1.20 0.89 A1 0.100 0.013 B 1.40 1.20 TO-236 C 0.19 0.08 D 3.04 2.80 Recommended Soldering Footprint E 2.6 2.2 F 1.02 0.89 G 2.04 1.78 L 0.51 0.37 L1 0.2 MIN 2.0 1.0 0.8 1.0 0.8 1.9 Packing information Package TO-236 Pitch Tape Width Reel Size Per Reel Packing Quantity (mm) mm inch mm inch 8 4 ± 0.1 0.157 ± 0.004 178 7 3,000 Marking information " D2E " = Part No. " • " = HAF (Halogen and Antimony Free) " YM " = Date Code Marking " Y " = Year " M " = Month Font type: Arial . D2E 3/3 ® Dated : 09/10/2022 Rev:02