PAGE . 1
STAD-APR.09.2004
FEATURES
• Plastic material has Underwriters Laboratory
Flammability Classification 94V-O
• Ideal for printed circuit board
• Reliable low cost construction ulilizing molded pastic 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
KBU4A~KBU4K
SILICON SINGLE-PHASE BRIDGE RECTIFIER
MECHANICAL DATA
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
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%.
DATA SHEET
.933(23.7)
.052(1.3)
.220(5.6)
.047(1.2)
.181(4.6)
.701(17.8)
.1.0(25.4)MIN
.090(2.3)
.220(5.6)
.066(1.7)
.177(4.5)
.759(19.3)MAX
.280(7.1)
.894(22.7)
.661(16.8)
.259(6.6)
.240(6.7)
.220(5.6)
KBU Unit: inch (mm)
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.
VOLTAGE 50 to 800 V olts 4.0 AmperesCURRENT
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PAGE . 2
STAD-APR.09.2004
RATING AND CHARACTERISTIC CURVES
TEMPERATURE, C
O
PERCENT OF PEAK REVERE VOLTAGE,%
INSTANTANEOUS REVERSE CURRENT,uA
6.0
4.0
2.0
0
0 50 100 150
Fig.1 - DERATING CURVE FOR OUTPUT
RECTIFIED CURRENT
AVERAGE FORWARD CURRENT
AMPERES
HEAT-SINK
MOUNTING, TC
(4x4x0.15)INCH
COPPER PLATE
0.5"(12.7mm) LEAD LENGTH
60Hz RESISTIVE OR INDUCTIVE LOAD
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
INSTANTANEOUS FORWARD CURRENT, AMPERES
100
40
20
10
4.0
2.0
1.0
0.4
0.2
0.1
0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4
Fig.4 - TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS PER ELEMENT
TJ=25 C
Pulse Width = 300us
1% DULY Cycle
O
10
1.0
0.1
0.01
02040 6080100120140
Fig.3 - TYPICAL REVERSE CHARACTERISTICS
T=25C
A
O
T=100C
A
O
NO. OF CYCLES AT 60Hz
0
25
50
75
100
125
150
12 610 20 40 60 100
Fig.2 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
FORWRD SURGE CURRENT,
AMPERES pk (HALF SINE-WAVE)
400
100
50
10
151050100
CAPACITANCE, pF
Fig.5 - TYPICAL JUNCTION CAPACITANCE
REVERSE VOLTAGE, VOLTS
T=25C
f=1MHz
Visg=50mVp-p
JO
