KBU4A thru KBU4M
Vishay Semiconductors
formerly General Semiconductor
Single-Phase Bridge Rectifier
Reverse Voltage 50 and 1000 V
Forward Current 4.0 A
Case Style KBU
Features
• Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
0.935 (23.7)
0.895 (22.7)
0.160 (4.1)
0.140 (3.6)
0.185 (4.7)
0.165 (4.2)
• This series is UL listed under the Recognized
Component Index, file number E54214
• High case dielectric strength of 1500 VRMS
• Ideal for printed circuit boards
• Surge overload rating of 200A peak
• Typical IR less than 0.1µA
45o
0.085 (2.2)
0.065 (1.7)
0.700
(17.8)
0.760
(19.3)
MAX.
0.660
(16.8)
0.075 (1.9) R. TYP.
(2 PLACES)
0.455 (11.3)
0.405 (10.3)
• High temperature soldering guaranteed:
250°C/10 seconds, 0.375 (9.5mm) lead length,
5lbs. (2.3kg) tension
1.0
(25.4)
MIN.
0.052 (1.3)
0.048 (1.2)
DIA.
Mechanical Data
Case: Molded plastic body
0.220 (5.6)
0.180 (4.6)
Terminals: Plated leads solderable per MIL-STD-750,
Method 2026
Mounting Position: Any (NOTE 3)
0.240 (6.09)
0.200 (5.08)
Dimensions in inches
and (millimeters)
Weight: 0.3 oz., 8.0 g
Packaging codes/options:
1/250 EA. per Bulk Tray Stack
0.280 (7.1)
0.260 (6.6)
0.205 (5.2)
0.185 (4.7)
Maximum Ratings & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
KBU
Symbols 4A
KBU
4B
KBU
4D
KBU
4G
KBU KBU KBU
4J
4K
800
560
800
4M
1000
700
Units
Maximum repetitive peak reverse voltage
Maximum RMS voltage
VRRM
VRMS
VDC
50
35
50
100
70
200
140
200
400
280
400
600
420
600
V
V
V
Maximum DC blocking voltage
100
1000
Maximum average forward
rectified output current at
TC=100°C (1)
TA=30°C (2)
4.0
4.0
IF(AV)
A
Peak forward surge current single
sine-wave superimposed on rated load
(JEDEC Method)
IFSM
200
A
Typical thermal resistance per leg (2)
RΘJA
RΘJL
19
4.0
°C/W
°C
(1)
Operating junction and storage temperature range TJ, TSTG
-50 to +150
Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Maximum instantaneous forward drop per leg
at 4.0 A
VF
1.0
V
Maximum DC reverse current at rated TA= 25°C
5.0
1.0
µA
mA
IR
DC blocking voltage per leg
TA=125°C
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
Document Number 88656
08-Jul-02
www.vishay.com
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