Fairchild FFD20UP20S service manual
tm
FFD20UP20S
1, 2 ANODE 3. CATHODE (FLANGE)
1
3
2
1
2
3
FFD20UP20S
May 2009
Ultrafast Rectifier
Features
• Ultrafast with soft recovery, trr <45ns
• Reverse Voltage, V
• Forward Voltage < 1.05V @ T
• RoHS compliant
RRM
=200V
=100oC
C
Applications
• Power switching circuits
• Output rectifiers
• Freewheeling diodes
• Switching mode power supply
Absolute Maximum Ratings T
Symbol Parameter Ratings Units
V
RRM
I
F(AV)
I
FSM
T
J
, T
STG
Peak Repetitive Reverse Voltage 200 V
Average Rectified Forward Current @ TC = 123oC 20 A
Non-repetitive Peak Surge Current
60Hz Single Half-Sine Wave
Operating and Storage Temperature Range -65 to +150
o
= 25
C unless otherwise noted
C
200 A
Thermal Characteristics
Symbol Parameter Ratings Units
R
θJC
Maximum Thermal Resistance, Junction to Case 1.9
Package Marking and Ordering Information
Device Marking Device Package Reel Size Tape Width Quantity
F20UP20S FFD20UP20S D-PAK 13” Dia - 2500
©2009 Fairchild Semiconductor Corporation
FFD20UP20S Rev. A
o
C
o
C/W
www.fairchildsemi.com1
FFD20UP20S
Electrical Characteristics T
= 25oC unless otherwise noted
C
Symbol Parameter Min. Typ. Max. Units
Maximum Instantaneous Forward Voltage
I
= 20A
*
V
FM
I
*
RM
t
rr
W
AVL
* Pulse Test: Pulse Width = 300μs, Duty Cycle = 2%
*
F
I
= 20A
F
I
= 30A
F
Maximum Instantaneous Reverse Current
@ rated V
R
Reverse Recovery Time
(I
= 20A, di/dt = 200A/μs)
F
Avalanche Energy ( L = 40mH) 20 - - mJ
T
= 25oC
C
T
= 100oC
C
T
= 25oC
C
TC = 25oC
T
= 100oC
C
-
-
-
-
-
0.94
0.84
1.00
-
-
-2245ns
1.15
1.05
-
100
500
V
μA
Test Circuit and Waveforms
FFD20UP20S Rev. A
2
www.fairchildsemi.com
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