DATA SHEET
KBU4A~KBU4K
SILICON SINGLE-PHASE BRIDGE RECTIFIER
50 to 800 Volts
Recongnized File # E111753
Unit: inch (mm)
KBU
VOLTAGE
CURRENT 4.0 Amperes
.933(23.7)
.894(22.7)
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
.052(1.3)
.047(1.2)
MECHANICALDATA
Case: Reliable low cost construction utilizing
molded plastic technique
.220(5.6)
.181(4.6)
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
MAXIMUMRATINGSANDELECTRICALCHARACTERISTICS
Rating at 25°Cambient temperature unless otherwise specified. Resistive or inductive load, 60Hz.
For Capacitive load derate current by 20%.
PARAMETER
SYMBOL KBU4A KBU4B KBU4D KBU4G KBU4J KBU4K UNITS
Maximum Recurrent Peak Reverse Voltage
V
V
RRM
RMS
50
35
50
100
70
200
140
200
400
280
400
600
420
600
800
560
800
V
V
Maximum RMS Bridge Input Voltage
Maximum DC Blocking Voltage
V
DC
100
V
Maximum Average Forward T
Rectified Output Current at T
C
A
=100 OC
=40 OC
I
AV
4.0
93
A
I2t Rating for fusing ( t<8.3ms)
I2t
A2sec
Apk
Vpk
uA
Peak Forward Surge Current single sine-wave superimposed on
rated load (JEDEC method)
I
FSM
150
Maximum Forward Voltage Drop per Bridge Element at 4.0A
V
F
1.0
5
Maximum Reverse Leakage Current at Rated @ T
Dc Blocking Voltage @ T
=100O
A C
=25O
I
R
A
C
1000
Typical Thermal Resistance per leg (Note 2)
(Note 3)
RθJA
RθJC
8.6
3.1
OC/W
OC
Operating Junction and Storage Temperature Range
T
J
,TSTG
-55 to + 150
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.
STAD-APR.09.2004
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