DATA SHEET
KBU8A~KBU8K
SILICON SINGLE-PHASE BRIDGE RECTIFIER
VOLTAGE
50 to 800 Volts
CURRENT
8.0 Amperes
Recongnized File # E111753
FEATURES
.759(19.3)MAX
.240(6.7)
.220(5.6)
KBU
Unit: inch (mm)
.933(23.7)
.894(22.7)
• Ideal for printed circuit board
• Reliable low cost construction utilizing molded plastic technique
• High temperature soldering guaranteed:
260°C/10 seconds/.375"(9.5mm) lead length at 5 lbs. (2.3kg) tension
• Both normal and Pb free product are available :
Normal : 80~95% Sn, 5~20% Pb
Pb free: 98.5% Sn above
.220(5.6)
.177(4.5)
.052(1.3)
.047(1.2)
Case: Reliable low cost construction utilizing molded plastic technique
Terminals: Leads solderable per MIL-STD-202, Method 208
Mounting position: Any
Mounting torque: 5 in. lb. Max.
Weight: 0.3 ounce, 8.0 grams
.280(7.1)
.259(6.6)
.220(5.6)
.181(4.6)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25°Cambient temperature unless otherwise specified. Resistive or inductive load, 60Hz.
For Capacitive load derate current by 20%.
PARAMETER
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Bridge Input Voltage
Maximum DC Blocking Voltage
Maximum Average Forward T
C
=100
O
C
Rectified Output Current at T
A
=40
O
C
I
2
t Rating for fusing ( t<8.3ms)
Peak Forward Surge Current single sine-wave superimposed on rated
load (JEDEC method)
Maximum Forward Voltage Drop per Bridge Element at 6.0A
Maximum Reverse Leakage Current at Rated @ T
A
=25
O
C
Dc Blocking Voltage @ T
A
=100
O
C
Typical Thermal Resistance per leg (Note 2)
Typical Thermal Resistance per leg (Note 3)
Operating Junction and Storage Temperature Range
SYMBOL
KBU8A KBU8B KBU8D KBU8G KBU8J KBU8K
UNITS
V
RRM
V
RMS
V
DC
I
AV
I
2
t
I
FSM
V
F
I
R
RθJA
RθJC
T
J
,T
STG
50
35
50
100
70
100
200
140
200
8.0
166
200
1.0
10
1000
18.0
3.0
-55 to + 150
O
.090(2.3)
.066(1.7)
MECHANICALDATA
.1.0(25.4)MIN
.701(17.8)
.661(16.8)
• Plastic material has Underwriters Laboratory
Flammability Classification 94V-O
400
280
400
600
420
600
800
560
800
V
V
V
A
A
2
se c
A pk
V pk
uA
C/W
O
C
NOTES:
1. Recommended mounting position is to bolt down on heatsink with silicone thermal compound for maximum heat transfer with #6 screw.
2. Units Mounted in free air, no heatsink, P.C.B at 0.375"(9.5mm) lead length with 0.5 x 0.5"(12 x 12mm)copper pads.
3. Units Mounted on a 2.0 x 1.6" x 0.3" thick (5 x 4 x 0.8cm) AL plate.
STAD-JUL.21.2004
PAGE . 1
RATING AND CHARACTERISTIC CURVES
AVERAGE FORWARD CURRENT
AMPERES
8.0
200
FORWRD SURGE CURRENT,
AMPERES pk (HALF SINE-WAVE)
160
6.0
HEAT-SINK
MOUNTING, TC
(4 x 4 x 0.15)INCH
COPPER PLATE
120
4.0
80
2.0
0.5"(12.7mm) LEAD LENGTH
60Hz RESISTIVE OR INDUCTIVE LOAD
40
0
0
50
O
100
150
0
1
2
6
10
20
40
60
100
TEMPERATURE, C
NO. OF CYCLES AT 60Hz
Fig.1 - DERATING CURVE FOR OUTPUT
RECTIFIED CURRENT
Fig.2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
100
10
INSTANTANEOUS FORWARD CURRENT,
AMPERES
INSTANTANEOUS REVERSE CURRENT,uA
40
20
10
4.0
2.0
1.0
T
A
=100 C
1.0
O
0.1
TJ=25
O
C
Pulse Width = 300us
1% DULY Cycle
T
A
=25
O
C
0.4
0.2
0.1
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
0.01
0
20
40
60
80
100
120
140
PERCENT OF PEAK REVERE VOLTAGE,%
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
Fig.3 - TYPICAL REVERSE CHARACTERISTICS
Fig.4 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS PER ELEMENT
400
CAPACITANCE, pF
100
50
T
J
=25
O
C
f = 1MHz
Visg = 50m Vp-p
10
1
5
10
50
100
REVERSE VOLTAGE, VOLTS
Fig.5 - TYPICAL JUNCTION CAPACITANCE
STAD-JUL.21.2004
PAGE . 2
详细参数
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