FEATURES
●Surge overload rating -125~175 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% KBU4005GKBU401GKBU402GKBU404GKBU406GKBU408GKBU410G
KBU6005GKBU601GKBU602GKBU604GKBU606GKBU608GKBU610G
KBU8005GKBU801GKBU802GKBU804GKBU806GKBU808GKBU810G
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℃4.0 8.0 A
Rectified Output Current at TA=50℃/40℃/45℃4.0 6.0 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 at4.0A/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 ℃
GLASS PASSIVATED
CHARACTERISTICS
6.0
150
REVERSE VOLTAGE - 50 to 1000Volts
FORWARD CURRENT - 4 / 6 / 8 Amperes
A
mV
KBU6G
UNIT
1.1
6.0
1.1
10
175
1.1
-55 to +150
~ 279 ~
KBU4A/6A/8A(G) SERIES
BRIDGE RECTIFIERS
Dimensions in inches and (milimeters)
KBU4G KBU8G
125
200
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(G) SERIES
~ 280 ~
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
KBU6/8G
KBU4G
FIG.5-TYPICAL JUNCTION CAPACITANCE PER ELEMENT
CAPACITANCE,(pF)
REVERSE VOLTAGE,VOLTS
KBU4G TJ=25℃
250
200
150
100
50
0.1 1.0 10 100
REVERSE VOLTAGE ,VOLTS
CAPACITANCE,(pF)
TJ=25℃
KBU6G
KBU8G
400
100
50
10 50
100
1 5 10
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 KBU8G
KBU6G
KBU4G
HEAT SINK
MOUNTING
MOUNTED ON4*4 INCH
COPPER PC BOARD.TA
.51(1.27mm)LEAD LENGTH
FIG.3-MAXIMUM NON-RETETITIVE PEAK
FORWARD SURGE CURRENT
NUMBER OF CYCLES AT 60HZ
PEAK FORWARD SURGE CURRENT
200
0
100
10
1
150
100
50 KBU4G
KBU6G
KBU8G