Fairchild FFB20UP30DN Ultrafast Recovery Power Rectifier Data Manual
Summary
This ultrafast recovery power rectifier is designed for high-performance, robust power switching applications requiring both speed and reliability. Featuring a low reverse recovery time (< 45ns), high breakdown voltage, and avalanche energy rating, it is ideally suited for use in Switching Mode Power Supplies (SMPS), motor free-wheeling circuits, and general power switching systems. This manual provides comprehensive technical details, including absolute maximum ratings, detailed electrical characteristics across various temperatures, thermal data, and packaging specifications, ensuring system designers can accurately integrate this component into demanding circuits.
Page 1 Text Content
FFB 20U P30D ltrafast R ecovery Pow er R ectifier
March 2006
FFB20UP30DN Ultrafast Recovery Power Rectifier Features Ultrafast with Soft Recovery : < 45ns(@IF=10A) High Reverse Voltage : VRRM = 300V Avalanche Energy Rated Planar Construction
Applications General purpose Switching Mode Power Supply Free-wheeling diode for motor application Power switching circuits
TO-263AB/D2-PAK 1. Anode 2. Cathode 3. Anode
1.Anode 2.Cathode 3.Anode
Absolute Maximum Ratings TC = 25°C unless otherwise noted Symbol Parameter Value Units
VRRM Peak Repetitive Reverse Voltage VRWM Working Peak Reverse Voltage
VR DC Blocking Voltage
IF(AV) Average Rectified Forward Current Rating for each diode IF(AV)/2 @ TC = 130°C
IFSM Non-repetitive Peak Surge Current
60Hz Single Half-Sine Wave
TJ, TSTG Operating Junction and Storage Temperature - 65 to +150 °C
Thermal Characteristics Symbol Parameter Max Units
RθJC Maximum Thermal Resistance, Junction to Case 2.0 °C/W
Package Marking and Ordering Information Device Marking Device Package Reel Size Tape Width Quantity F20UP30DN FFB20UP30DNTM TO-263AB/D2-PAK 13” Dia
©2006 Fairchild Semiconductor Corporation www.fairchildsemi.com FFB20UP30DN Rev. A
Page Summary Contents For Fairchild FFB20UP30DN Ultrafast Recovery Power Rectifier Data Manual
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 5 |
| File Size | 169.01 KB |
| Published | June 18, 2026 |
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Frequently Asked Questions
What is the peak repetitive reverse voltage of the FFB20UP30DN?
The peak repetitive reverse voltage is 300V.
What package type does this rectifier use?
It uses the TO-263AB/D2-PAK package.
What is the maximum average rectified forward current per diode?
The maximum average rectified forward current is 20A at 130°C case temperature.
What are typical applications for this rectifier?
It is used in SMPS, motor free-wheeling diodes, power switching circuits, and general purposes.