KBU4A thru KBU4M
Vishay Semiconductors
for merly General Semiconductor
Document Number 88656 www.vishay.com
08-Jul-02 1
Single-Phase Bridge Rectifier Reverse V oltage 50 and 1000 V
Forward Current 4.0 A
0.160 (4.1)
0.065 (1.7)
0.185 (4.7)
0.895 (22.7)
0.935 (23.7)
0.140 (3.6) 0.165 (4.2)
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)
45o
0.205 (5.2)
0.185 (4.7)
0.052 (1.3)
0.048 (1.2)
0.280 (7.1)
0.260 (6.6)
DIA.
0.760
(19.3)
MAX.
0.700
(17.8)
0.660
(16.8)
1.0
(25.4)
MIN.
0.455 (11.3)
0.405 (10.3)
Maximum Ratings & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
KBU KBU KBU KBU KBU KBU KBU
Symbols 4A 4B 4D 4G 4J 4K 4M Units
Maximum repetitive peak reverse voltage VRRM 50 100 200 400 600 800 1000 V
Maximum RMS voltage VRMS 35 70 140 280 420 560 700 V
Maximum DC blocking voltage VDC 50 100 200 400 600 800 1000 V
Maximum average forward TC=100°C (1) 4.0
rectified output current at TA=30°C (2) IF(AV) 4.0 A
Peak forward surge current single
sine-wave superimposed on rated load IFSM 200 A
(JEDEC Method)
Typical thermal resistance per leg (2) RΘJA 19
(1) RΘJL 4.0 °C/W
Operating junction and storage temperature range TJ, TSTG -50 to +150 °C
Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Maximum instantaneous forward drop per leg
at 4.0 A VF1.0 V
Maximum DC reverse current at rated TA= 25°C 5.0 µA
DC blocking voltage per leg TA=125°C IR1.0 mA
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
Dimensions in inches
and (millimeters)
Features
• Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
• This ser ies 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 IRless than 0.1µA
• 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 leads solderable per MIL-STD-750,
Method 2026
Mounting Position: Any (NOTE 3)
Weight: 0.3 oz., 8.0 g
Packaging codes/options:
1/250 EA. per Bulk Tray Stack
Case Style KBU
KBU4A thru KBU4M
Vishay Semiconductors
for merly General Semiconductor
www.vishay.com Document Number 88656
208-Jul-02
Ratings and
Characteristic Curves(TA= 25°C unless otherwise noted)
Temperature (°C)
Fig. 1 – Derating Curve
Output Rectified Current
Average Forward Current (A)
Fig. 3 – Typical Instantaneous
Forward Characteristics Per Leg
Instantaneous Forward Voltage (V)
Instantaneous Forward Current (A)
Percent of Rated Peak Reverse Voltage (%)
Instantaneous Reverse Current (µA)
Fig. 4 – Typical Reverse Leakage
Characteristics Per Leg
Number of Cycles at 60 HZ
Fig. 2 – Maximum Non-Repetitive Peak
Forward Surge Current Per Leg
Peak Forward Surge Current (A)
Reverse Voltage (V)
Junction Capacitance, pF
Fig. 5 – Typical Junction
Capacitance Per Leg
0.6 0.7
100
1.0
1
0.1 0.8 0.9 1.0 1.1 1.2 1.3
050 100 150
0
1
2
3
4
110 100
25
50
75
100
125
150
175
200
020 40 60 80 100
0.01
0.1
1
10
50
0.1 110 100
0
25
50
75
100
150
TJ = 100°C
TJ = 25°C
TA, P.C.B. Mounting
0.47" x 0.47" (12 x 12mm)
Copper Pads
Heatsink Mounting,
TC, 2.0 x 1.6 x 3.0"
(5.0 x 4.0 x 0.8cm)
Al. Plate
TJ = 150°C
Single Sine-Wave
(JEDEC Method)
T
J
= 25°C
Pulse Width = 300µs
1% Duty Cycle
TJ = 25°C
f = 1.0MHZ
Vsig = 50mVp-p
60 HZ
Resistive or
Inductive Load
