KBU8A - KBU8M
KBU8A-KBU8M, Rev. A
KBU8A - KBU8M
8.0 Ampere Silicon Bridge Rectifiers
Absolute Maximum Ratings* TA = 25°C unless otherwise noted
Electrical Characteristics TA = 25°C unless otherwise noted
1999 Fairchild Semiconductor Corporation
Features
High surge current capability .
Reliable construction technique.
Ideal for printed circuit board.
Parameter Device Units
8A 8B 8D 8G 8J 8K 8M
Peak Repetitive Reverse Voltage 50 100 200 400 600 800 1000 V
Maximum RMS Bridge Input Vo ltage 35 70 140 280 420 560 700 V
DC Reverse Voltage (Rated VR)50 100 200 400 600 800 1000 V
Maximum Reverse Leakage,
to tal bridge @ rated V RTA = 25°C
TA = 100°C10
500 µA
µA
Maximum Forward Voltage Drop,
per bridge @ 8.0 A 1.0 V
Symbol Parameter Value Units
IOAverage Rectified Current
@ TA = 50°C8.0 A
if(surge) Pe ak Forward Surge Curre nt 300 A
PDTotal Device Dissipation
Derate above 25°C6.9
55 W
mW/°C
RθJA Thermal Resistan ce, Junctio n to Ambie n t,** per leg 18 °C/W
RθJL Thermal Resistan ce, Junctio n to Lead,** per leg 3.0 °C/W
Tstg Storage Temperature Range -55 to +150 °C
TJOperating Junction Tempe rature -55 to +150 °C
Dimensions are in: inches (mm)
KBU
0.165(4.2)
0.150(3.8)
0.280(7.1)
0.260(6.6)
0.052(1.3)
0.048(1.2)
~~
+
+45°
0.935(23.7)
0.895(22.7)
0.0760(19.3)
MAX
0.70(17.8)
0.66(16.8) 0.455(11.3)
0.405(10.3)
0.085(2.2)
0.065(1.7)
0.260(6.8)
0.180(4.5)
0.220(5.6)
0.180(4.6)
0.16(4.1)
0.14(3.6)
+
1.0(2.54)
MIN
*These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.
**Device mounted on PCB with 0.375 " (9.5 mm) lead length and 0.5 x 0.5" (13 x 13 mm) copper pads.
Discrete POWER & Signal
Technologies
KBU8A - KBU8M
KBU8A-KBU8M, Rev. A
Silicon Bridge Rectifiers
(continued)
Typical Characteristics
Fo rward Curren t Derating Curve
050100150
0
2
4
6
8
AMBIENT TEMPERATURE ( C)
FO RWARD CU RRENT (A )
º
SINGLE PHASE
HALF WAVE
60 HZ
RESISTIV E OR
INDUCTIVE LOAD
.375 " 9.0 m m L EAD
LENG THS
Non -Repe titive Surge Cu rrent
1 2 5 10 20 50 100
0
50
100
150
200
250
300
NU MB ER OF CYCLES AT 60Hz
F ORW ARD SURGE C URRENT (A )
F orward Charact eri stic s
0.6 0.7 0.8 0.9 1 1.1 1.2 1.3
0.1
1
10
100
FORWARD VO LTA GE ( V)
FORWARD CU RREN T ( A)
Puls e Wid th = 300µS
2% Duty Cycle
T = 25 C
º
J
T = 25 C
º
A
Reverse Charact eri stics
0 20406080100120140
0.1
1
10
100
PER CE NT OF R ATED PEA K RE VER SE VO LTAGE (%)
R EVER SE CURR ENT ( A)
µ
T = 100 C
º
A
T = 25 C
º
A
TRADEMARKS
ACEx™
CoolFET™
CROSSVOLT™
E2CMOSTM
FACT™
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