KBU 10A/15A/25A/35A SERIES
SILICON BRIDGE RECTIFIERS
GLASS PASSIVATED
BRIDGE RECTIFIERS
CHENG- YI
ELECTRONIC
REVERSE VOLTAGE -50 to 1000 Volts
FORWARD CURRENT -10/15/25/35 Amperes
FEATURES
Surge overload rating - 220~400 amperes peak
Ideal for printed circuit board
Reliable low cost construction utilizing
molded plastic technique
Plastic material has Underwriters Laboratory
Flammability classification 94V-O
Mounting Position: Any
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
0
C ambient temperature unless otherwise specified.
Resistive or inductive load, 60 Hz.
For capacitive load, derate current by 20%.
KBU
10005
KBU
1001
1501
2501
3501
100
70
100
KBU
1002
1502
2502
3502
200
140
200
KBU
1004
1504
2504
3504
400
280
400
15.0
3.2
220
240
300
400
1.05
KBU
1006
1506
2506
3506
600
420
600
KBU
1008
1508
2508
3508
800
560
800
KBU
1010
1510
2510
3510
1000
700
1000
V
CHARACTERISTICS
SYMBOL
15005
25005
35005
UNITS
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward (with heatsink Note 2)
Rectified Current @
TC=100 C
(without heatsink)
0
V
RRM
V
RMS
V
DC
I
(AV)
50
35
50
V
V
A
Peak Forward Surge Current
8.3 ms single half sine-wave
super imposed on rated load (JEDEC Method)
Maximum Forward Voltage at 7.5A DC
Maximum DC Reverse Current
at Rated DC Blocking Voltage
I
2
t Rating for fusing (t<8.3ms)
Typical Junction Capacitance
per element (Note 1)
Typical Thermal Resistance (Note 2)
Operating Temperature Range
Storage Temperature Range
@ TJ=25
0
C
@ TJ=125
0
C
10A
15A
25A
35A
I
FSM
V
F
I
R
I
2
t
C
J
R
JC
T
J
T
STG
A
V
A
A
2
S
PF
0
10
500
240
60
0.8
C/W
0
-55 to +150
-55 to +150
C
C
0
NOTES: 1. Measured at 1.0MHz and applied reverse voltage of 4.0V DC.
2. Device mounted on 100mm x 100mm X 1.6mm Cu Plate Heatsink.
KBU 10A/15A/25A/35A SERIES
SILICON BRIDGE RECTIFIERS
GLASS PASSIVATED
BRIDGE RECTIFIERS
RATING AND CHARACTERISTICS CURVES
KBU 10A/15A/25A/35A SERIES
CHENG- YI
ELECTRONIC
FIG. 1
-
MAXIMUM FORWARD SURGE CURRENT
PEAK FORWARD SURGE CURRENT
AMPERES
300
250
200
AVERAGE FORWARD OUTPUT CURRENT
AMPERES
FIG. 2
-
DERATING CURVE
OUTPUT RECTIFIED CURRENT
40
KBU 35
30
KBU 25
20
KBU 15
10
KBU 10
0
50
100
0
KBU 15/25/35
150
100
KBU 10
50
0
1
10
100
150
NUMBER OF CYCLES AT 60Hz
TEMPERATURE, C
FIG. 3 - TYPICAL FORWARD
CHARACTERISTICS
100
KBU 35
KBU 15
KBU 25
KBU 10
10
FIG. 4- TYPICAL REVERSE
CHARACTERISTICS
INSTANTANEOUS FORWARD CURRENT,
AMPERES
10
INSTANTANEOUS REVERSE CURRENT,
MICROAMPERES
1.0
1.0
T
J
=25
o
C
0.1
0.1
0.01
0
0.01
0.4
0.6
0.8
1.0
1.2
1.4
1.6
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
