FEATURES
●Surge overload rating -240~400 amperes peak
●Ideal for printed circuit board
●Reliable low cost construction utilizing
molded plastic technique
●Plastic material has U/L
flammability classification 94V-0
●Mounting postition:Any
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
KBU
KBU
KBU
KBU
KBU
KBU
KBU
10005
1001
1002
1004
1006
1008
1010
15005
1501
1502
1504
1506
1508
1510
25005
2501
2502
2504
2506
2508
2510
35005
3501
3502
3504
3506
3508
3510
Maximum Recurrent Peak Reverse Voltage VRRM 50 100 200 400 600 800 1000 V
Maximum RMS Voltage VRMS 30 70 140 280 420 560 700 V
Maximum DC Blocking Voltage VDC 50 100 200 400 600 800 1000 V
Maximum Average Forward (with heatsink Note 2)
Rectified Current @ TC=100℃ (without heatsink)
Peak Forward Surage Current
8.3ms Single Half Sine-Wave
Super Imposed on Rated Load (JEDEC Method)
Maximum Forward Voltage at 5.0/7.5/12.5/17.5A DC VFV
Maximum DC Reverse Current @ TJ=25℃
at Rated DC Blocking Voltage @ TJ=125℃
Operating Temperature Range TJ℃
Storage Temperature Range TSTG ℃
NOTES: 1.Measured at 1.0MHz and applied reverse voltage of 4.0V DC.
2.Device mounted on 100mm*100mm*1.6mm cu plate heatsink.
~ 255 ~
KBU10/15/25/35 SERIES
A
IR
I(AV)
-55 to+125
REVERSE VOLTAGE - 50 to 1000Volts
FORWARD CURRENT - 10/15/25/35 Amperes
Dimensions in inches and (milimeters)
uA
SILICON BRIDGE RECTIFIERS
-55 to+125
IFSM
500
Rating at 25℃ ambient temperature unless otherwise specified.
SYMBOL
10
A
UNIT
CHARACTERISTICS
Single phase, half wave ,60Hz, resistive or inductive load.
For capacitive load, derate current by 20%
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
KBU
10
10
15
25
35
240
300 400
400
KBU
15 KBU
25 KBU
35
3.0
3.2
3.6
4.2
1.0
1.1
RATING AND CHARACTERISTIC CURVES
KBU 10/15/25/35A SERIES
~ 256 ~
FIG.3– TYPICAL FORWARD CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT
(AMPERES)
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
KBU 25
KBU 35
0.1
1.0
0.01
10
100
0.2 0.6 0.8 1.0 1.2 1.40.4
240
350
300
400
KBU25/35
KBU15
KBU10
FIG. 1 – MAXIMUM FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT
AMPERES
NUMBER OF CYCLES AT 60Hz
110 100
FIG.4– TYPICAL REVERSE CHARACTERISTICS
PERCENT OF RATED PEAK REVERSE VOLTAGE
INSTANTANEOUS REVERSE CURRENT
MICROAMPERES
TJ = 25°C
0.01
0.1
1.0
10
140
120
100
80
60
40
20
0
CASE TEMPERATURE (℃)
FIG. 2 – DERATING CURVE OUTPUT RECTIFIED CURRENT
AVERAGE FORWARD OUTPUT CURRENT
AMPERES
50
40
20
10
0
30
100
150
KBU35
KBU25
KBU15
KBU10