KBU8A - KBU8M
KBU8A-KBU8M, Rev. A1
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
2001 Fairchild Semiconductor Corporation
Features
•High surge current capability .
•Reliable construction technique.
• Ideal for printed circuit board.
Symbol
Parameter
Device
Units
8A 8B 8D 8G 8J 8K 8M
VRRM Maximum Repe titive Reverse Voltage 50 100 200 400 600 800 1000 V
VRMS Maximum RMS Bridge Input Voltage 35 70 140 280 420 560 700 V
VR DC Reverse Voltage (Rated VR) 50 100 200 400 600 800 1000 V
IRM Maximum Instantaneous Reverse Leakage, to tal
bridge @ rated VR TA = 25°C
T
A = 100°C
10
500
µA
µA
VFM Maximum Instantaneous Forward Voltage Drop,
per bridge @ 8.0 A 1.0
V
Symbol
Parameter
Value
Units
IF(AV) Average Rectified Current
@ TA = 50°C 8.0 A
IFSM Non-repetitive Peak Forward Surge Current 300 A
PD Total Device Dissipation
Derate above 25°C 6.9
55 W
mW/°C
RθJA Thermal Resis tance, Junc tion to Ambient,** per leg 18 °C/W
RθJL Thermal Resis tance, Junction to Lead,** per leg 3.0 °C/W
Tstg Storage Temperat ure Range -55 to +150 °C
TJ Operating Junct i on Temperature -55 to +150 °C
*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.
KBU+
~~
-
KBU8A-KBU8M, Rev. A1
KBU8A - KBU8M
Silicon Bridge Rectifiers
(continued)
Typical Characteristics
Fo rward Curren t Derati ng Curv e
050100150
0
2
4
6
8
AMBIENT T E MP ERATU RE ( C )
FO RWAR D CURRE NT (A)
º
SING LE PHASE
HALF WAVE
60 HZ
RESISTI V E O R
INDUCT IVE LOAD
.375" 9.0 mm LEAD
LENG THS
Non -Repe titive Surge Current
1 2 5 10 20 50 100
0
50
100
150
200
250
300
NU MB ER OF C YCLES AT 60Hz
F ORW ARD SURGE C UR RENT (A )
F orward Charact eristics
0.6 0.7 0.8 0.9 1 1.1 1.2 1.3
0.1
1
10
100
FORWARD VO LTA G E (V)
FORWARD CU RRENT (A)
Puls e Width = 300µ
µµ
µS
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 RATED PEAK RE VER SE VOLTAGE (%)
REVERSE CURRENT ( A)
µ
µµ
µ
T = 100 C
º
A
T = 25 C
º
A
KBU (FS PKG Code R7)
KBU Package Dimensions
July 1999, Rev. A
1:1
Scale 1:1 on letter size paper
Dimensions shown below are in:
inches [millimeters]
Part Weight per unit (gram): 8.0
0.165(4.2)
0.150(3.8)
0.280(7.1)
0.260(6.6)
0.052(1.3)
0.048(1.2)
0.185(4.7)
0.165(4.2)
~~
+
+45°
0.935(23.7)
0.895(22.7)
0.760(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
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reasonably expected to result in significant injury to the
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support device or system whose failure to perform can
be reasonably expected to cause the failure of the life
support device or system, or to affect its safety or
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Definition of Terms
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Advance Information
Preliminary
No Identification Needed
Obsolete
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
This datasheet contains preliminary data, and
supplementary data will be published at a later date.
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changes at any time without notice in order to improve
design.
This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
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Formative or
In Design
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