Fairchild KBU6A, KBU6M service manual
KBU6A - KBU6M
Bridge Rectifiers
Features
• High surge current capability.
• Reliable construction technique.
• Ideal for printed circuit board.
• UL Certificate # E326243.
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KBU
KBU6A - KBU6M — Bridge Rectifiers
July 2010
+
Absolute Maximum Ratings* T
Symbol Parameter
V
RRM
V
RMS
V
I
F(AV)
I
FSM
T
STG
T
Maximum Repetitive Reverse Voltage 50 100 200 400 600 800 1000 V
Maximum RMS Bridge Input Voltage 35 70 140 280 420 560 700 V
DC Reverse Voltage (Rated VR) 50 100 200 400 600 800 1000 V
R
Average Rectified Forward Current, @ TA= 65°C 6.0 A
Non-repetitive Peak Forward Surge Current 250 A
Storage Temperature Range -55 to +150 °C
Operating Junction Temperature -55 to +150 °C
J
= 25°C unless otherwise noted
A
6A 6B 6D 6G 6J 6K 6M
Value
Units
* These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.
Thermal Characteristics
Symbol Parameter Value Units
P
R
θJA
R
θJL
* Device mounted on PCB with 0.375 " (9.5 mm) lead length and 0.5 x 0.5" (12 x 12 mm) copper pads.
Power Dissipation 6.7 W
D
Thermal Resistance, Junction to Ambient,* per leg 8.6 °C/W
Thermal Resistance, Junction to Lead,* per leg 4.0 °C/W
Electrical Characteristics T
= 25°C unless otherwise noted
A
Symbol Parameter Value Units
V
I
© 2010 Fairchild Semiconductor Corporation www.fairchildsemi.com
KBU6A - KBU6M Rev. C1 1
Forward Voltage, per bridge @ 6.0 A 1.0 V
F
Reverse Current, total bridge @ rated V
R
TA= 25°C
T
R
= 100°C
A
5.0
500
µA
µA
Typical Performance Characteristics
Figure 1. Forward Current Derating Curve Figure 2. Non-Repetitive Surge Current
Figure 3. Forward Voltage Characteristics Figure 4. Reverse Current vs Reverse Voltage
KBU6A - KBU6M — Bridge Rectifiers
© 2010 Fairchild Semiconductor Corporation www.fairchildsemi.com
KBU6A - KBU6M Rev. C1 2
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