Fairchild FFPF20UP40S service manual
tm
FFPF20UP40S
1. Cathode 2. Anode
1. Cathode 2. Anode
TO-220F-2L
FFPF20UP40S
November
Features
• High Speed Switching, trr < 50ns
• High Reverse Voltage and High Reliability
• Avalanche Energy Rated
• Max Forward Voltage, VF < 1.4V
• RoHS Compliant
Applications
• Boost Diode in PFC and Switching Mode Power Supply
• Freewheeling diodes
20A, 400V UItra Fast Rectifier
The FFPF20UP40S is a uItrafast rectifier with low forward
voltage drop. This device is intended for use as freewheeling and
clamping rectifiers in a variety of switching power supplies and
other power switching applications. It is specially suited for use in
switching power supplies and industrial application.
Absolute Maximum Ratings T
Symbol Parameter Ratings Units
V
RRM
V
RWM
V
R
I
F(AV)
I
FSM
TJ, T
STG
Peak Repetitive Reverse Voltage 400 V
Working Peak Reverse Voltage 400 V
DC Blocking Voltage 400 V
Average Rectified Forward Current @ TC = 100oC 20 A
Non-repetitive Peak Surge Current
60Hz Single Half-Sine Wave
Operating and Storage Temperature Range -55 to +150
= 25oC unless otherwise noted
C
200 A
Thermal Characteristics
Symbol Parameter Ratings Units
R
θJC
Maximum Thermal Resistance, Junction to Case 2.6
Package Marking and Ordering Information
Device Marking Device Package Reel Size Tape Width Quantity
FFPF20UP40S FFPF20UP40S TO-220F - - 50
©2010 Fairchild Semiconductor Corporation
FFPF20UP40S Rev. A
o
C
o
C/W
www.fairchildsemi.com1
FFPF20UP40S
Electrical Characteristics T
Symbol Parameter Min. Typ. Max. Units
VFM1
IRM1
t
rr
I
rr
Q
rr
W
AVL
Notes:
1: Pulse: Test Pulse width = 300µs, Duty Cycle = 2%
IF = 20A
IF = 20A
VR = 400V
VR = 400V
IF = 20A, di/dt = 200A/µs TC = 25oC
Avalanche Energy ( L = 40mH) 1 - - mJ
= 25oC unless otherwise noted
C
TC = 25oC
TC = 125oC
TC = 25oC
TC = 125oC
-
-
-
-
-
-
-
29
3.3
47
-
-
-
-
1.4
1.4
50
50
50
5.5
138
Test Circuit and Waveforms
V
µA
ns
A
nC
FFPF20UP40S Rev. A
www.fairchildsemi.com2
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