FEATURES
●Surge overload rating -150~200 amperes peak
●Ideal for printed circuit board
●Reliable low cost construction utilizing
molded plastic technique
●Plastic material has UL
●Mounting postition:Any
●Mounting torgue:5 In.Ib.Max
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25℃ ambient temperature unless otherwise specified.
Single phase, half wave ,60Hz, resistive or inductive load.
For capacitive load, derate current by 20% KBU4005 KBU401 KBU402 KBU404 KBU406 KBU408 KBU410
KBU6005 KBU601 KBU602 KBU604 KBU606 KBU608 KBU610
KBU8005 KBU801 KBU802 KBU804 KBU806 KBU808 KBU810
Maximum Recurrent Peak Reverse Voltage 50 100 200 40 600 800 1000 V
Maximum RMS Voltage 35 70 140 280 420 560 700 V
Maximum DC Blocking Voltage 50 100 200 40 600 800 1000 V
Maximum Average Forward TC=100℃A
Rectified Output Current at A
Peak Forward Surage Current 8.3ms single
Half Sine-Wave Super Imposed on Rated Load
(JEDEC Method)
Maximum Instantanous Forward Voltage Drop
per Element at 4.0A/3.0A/4.0A
Maximum Reverse Leakage at rated TA=25℃10 10 μA
DC Blocking Voltage Per Element TA=100℃100 300 mA
Operating and Storage Temperature Range TJ.TSTG ℃
CHARACTERISTICS
175
REVERSE VOLTAGE - 50 to 1000Volts
FORWARD CURRENT - 4 / 6 / 8 Amperes
SILICON BRIDGE RECTIFIERS
A
KBU6
UNIT
1.0
KBU 4A/6A/8A SERIES
10
200
1.1
4.0 6.0 8.0
Dimensions in inches and (milimeters)
KBU4 KBU8
150
200
1.0 mV
-55 to +125
~ 253 ~
KBU
.935(23.7)
.895(22.7)
.600(16.8)
.700(17.8)
300
(7.5)
.780(19.8)
.740(18.8)
(25.4)
1.00 MIN.
.052(1.3)DIA.
.048(1.2)TYP.
.071(1.8)
.087(2.2) .220(5.6)
.180(4.6)
.256(6.5)
.276(7.0)
.15 X23L
(3.8 X5.7L)
HOLE THRU
Ø
Ø
RATING AND CHARACTERTIC CURVES
KBU4A/6A/8A SERIES
~ 254 ~
FIG.3-MAXIMUM NON-RETETITIVE PEAK
FORWARD SURGE CURRENT
NUMBER OF CYCLES AT 60HZ
PEAK FORWARD SURGE CURRENT
AMPERES
250
200
0
100
10
1
150
100
50 KBU4
KBU6
KBU8
10
0.1
020 40 60
80
100 120 140
1.0
FIG.4-TYPICAL REVERSE
CHARACTERISTICS
PERCENT OF RATED PEAK REVERSE
VOLTAGE
INSTANTANCEOUS REVERSE CURRENT,
MICRAMPERES
TA=25℃
TC=100℃
FIG.2 TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTIC
INSTANTANCEOUS FORWARD CURRENT,
AMPERES
INSTANTANEOUS FORWARD VOLTAGE，VOLTS
100
0.1 1.2
1.1
1.0
0.90.80.70.6
40
20
10
4.0
1.0
0.4
0.2
1.3
TJ=25℃
PULSE WIDTH=300S
1%DUTY CYCLE
KBU6/8
KBU4
FIG.5-TYPICAL JUNCTION CAPACITANCE PER ELEMENT
CAPACITANCE,(pF)
REVERSE VOLTAGE,VOLTS
KBU4 TJ=25℃
250
200
150
100
50
0.1 1.0 10 100
REVERSE VOLTAGE ,VOLTS
CAPACITANCE,(pF)
400
100
50
10 50
100
1 5 10
TJ=25℃
KBU6
KBU8
FIG.1-DERATING CURVE FOR
OUTPUT RECTIFIED CURRENT
AVERAGE FORWARD OUTPUTCURRENT
AMPERES
CASE TEMPERATURE,
℃
50 100
0 150
1.0
5.0
4.0
3.0
2.0
6.0
8.0
7.0 KBU8
KBU6
KBU4
HEAT SINK
MOUNTING
MOUNTED ON4*4 INCH
COPPER PC BOARD.TA
.51(1.27mm)LEAD LENGTH
