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FFAF20U20DN

Fairchild Semiconductor
Part Number FFAF20U20DN
Manufacturer Fairchild Semiconductor
Description ULTRA FAST RECOVERY POWER RECTIFIER
Published Mar 30, 2005
Detailed Description FFAF20U20DN FFAF20U20DN Features • Ultrafast with soft recovery • Low forward voltage Applications • • • • Power switc...
Datasheet PDF File FFAF20U20DN PDF File

FFAF20U20DN
FFAF20U20DN

Overview
FFAF20U20DN FFAF20U20DN Features • Ultrafast with soft recovery • Low forward voltage Applications • • • • Power switching circuits Output rectifiers Freewheeling diodes Switching mode power supply TO-3PF 1 2 3 1.
Anode 2.
Cathode 3.
Anode ULTRA FAST RECOVERY POWER RECTIFIER Absolute Maximum Ratings Symbol VRRM IF(AV) IFSM TJ, TSTG (per diode) TC=25°C unless otherwise noted Value 200 @ TC = 100°C 20 200 - 65 to +150 Units V A A °C Parameter Peak Repetitive Reverse Voltage Average Rectified Forward Current Non-repetitive Peak Surge Current 60Hz Single Half-Sine Wave Operating Junction and Storage Temperature Thermal Characteristics Symbol RθJC Parameter Maximum Thermal Resistance, Junction to Case (per diode) T C =25 °C unless otherwise noted Min.
TC = 25 °C TC = 100 °C TC = 25 °C TC = 100 °C 0.
5 Typ.
.
Max.
1.
2 1.
0 µA 20 200 40 4.
0 80 ns A nC mJ Units V Value 2.
1 Units °C/W Electrical Characteristics Symbol V FM * Parameter Maximum Instantaneous Forward Voltage I F = 20A I F = 20A Maximum Instantaneous Reverse Current @ rated VR Maximum Reverse Recovery Time Maximum Reverse Recovery Current Maximum Reverse Recovery Charge (IF =20A, di/dt = 200A/ µs) IRM * trr Irr Qrr WAVL Avalanche Energy * Pulse Test: Pulse Width=300µs, Duty Cycle=2% ©2000 Fairchild Semiconductor International Rev.
F, September 2000 FFAF20U20DN Typical Characteristics 80 1000 Forward Current , IF [A] TC = 100 C 10 o R [µA] 100 TC = 100 C o 10 TC = 25 C o Reverse Current , I 1 TC = 25 C o 1 0.
1 0.
01 0.
1 0.
0 0.
001 0.
5 1.
0 1.
5 2.
0 0 50 100 150 200 Forward Voltage , VF [V] Reverse Voltage , VR [V] Figure 1.
Typical Forward Voltage Drop vs.
Forward Current 600 40 Figure 2.
Typical Reverse Current vs.
Reverse Voltage 500 Reverse Recovery Time , trr [ns] Typical Capacitance at 0V = 589 pF IF = 20A o Tc = 25 C 35 Capacitance , Cj [pF] 400 300 30 200 25 100 0 0.
1 1 10 100 20 100 500 Reverse Voltage , VR [V] di/dt [A/ µs] Figure 3.
Typical Junction Capa...


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