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4/98
KBU4A THRU KBU4M
SINGLE-PHASE BRIDGE RECTIFIER
Reverse Voltage -
50 to 1000 Volts
Forward Current -
4.0 Amperes
FEATURES
Plastic package has Underwriters Laboratory Flammability
Classification 94V-0
This series is UL listed under Recognized under Component
Index, file number E54214
High case dielectric strength
of 1500 V
RMS
Ideal for printed circuit boards
Surge overload rating of 200 Amperes peak
Typical I
R
less than 0.1
μ
A
High temperature soldering guaranteed:
250°C/10 seconds, 0.375" (9.5mm) lead length,
5lbs (2.3kg) tension
MECHANICAL DATA
Case:
Molded plastic body
Terminals:
Plated lead solderable per MIL-STD-750,
Method 2026
Mounting Position:
Any
(NOTE 3)
Mounting Torque:
5 in. - lb. max.
Weight:
0.3 ounce, 8.0 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
KBU
4A
KBU
4B
KBU
4D
KBU
4G
KBU
4J
KBU
4K
KBU
4M
SYMBOLS
UNITS
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified T
C
=100°C
(NOTE 1)
output current at
Peak forward surge current single sine-wave
superimposed on rated load (JEDEC Method)
Maximum instantaneous forward voltage drop
per leg at 4.0A
Maximum DC reverse current
at rated DC blocking voltage per leg
Typical thermal resistance per leg
(NOTE 2)
V
RRM
V
RMS
V
DC
50
35
50
100
70
100
200
140
200
400
280
400
4.0
4.0
600
420
600
800
560
800
1000
700
1000
Volts
Volts
Volts
T
A
=30°C
(NOTE 2)
I
(AV)
Amps
I
FSM
200.0
Amps
V
F
1.0
Volts
T
A
=25°C
T
A
=125°C
5.0
1.0
19.0
4.0
μ
A
mA
I
R
R
Θ
JA
R
Θ
JL
T
J,
T
STG
(NOTE 1)
°C/W
°C
Operating junction and storage temperature range
-50 to +150
NOTES:
(1) Units mounted on a 2.0 x 1.6 x 0.3" thick (5 x 4 x 0.8cm.) Al. Plate
(2) Units mounted on P.C.B. with 0.5 x 0.5" (12 x 12mm) copper pads and 0.375" (9.5mm) lead length
(3) Recommended mounting position is to bolt down on heatsink with silicone thermal compound for maximum heat transfer
with #6 screw
0.160 (4.1)
0.140 (3.6)
0.065 (1.7)
0.185 (4.7)
0.165 (4.2)
0.895 (22.7)
0.935 (23.7)
0.085 (2.2)
0.240 (6.09)
0.200 (5.08)
0.220 (5.6)
0.180 (4.6)
0.075 (1.9) R. TYP.
(2 PLACES)
45
o
0.205 (5.2)
0.185 (4.7)
0.052 (1.3)
0.048 (1.2)
DIA.
0.280 (7.1)
0.260 (6.6)
(19.3)
MAX.
0.700
(17.8)
0.660
(16.8)
1.0
(25.4)
MIN.
0.455 (11.3)
0.405 (10.3)
Case Style KBU
Dimensions in inches and (millimeters)