KBJ4AU thru KBJ4MU
Glass Passivated Single-Phase Bridge Rectifiers
Reverse Voltage 50 to 1000 Volts Forward Current 4.0 Amperes
Features
ꢀ Ideal for printed circuit boards
ꢀ High surge current capability
ꢀ High case dielectric strength of 2000 VRMS
ꢀ Glass passivated chip junction
ꢀ Plastic package has Underwriters Laboratory Flammability
Classification 94V-0
Mechanical Data
ꢀ Case: KBJ(3S)
Epoxy meets UL-94V-0 Flammability rating
ꢀ Terminals: Plated leads solderable per MIL-STD-750,
Method 2026
ꢀ High temperature soldering guaranteed:
260oC/10 seconds, 0.375 (9.5mm) lead length,
5lbs.(2.3kg) tension
ꢀ Polarity: As marked on body
ꢀ Mounting Torque: 10 cm-kg (8.8 inches-lbs) max.
ꢀ Recommended Torque: 5.7 cm-kg (5 inches-lbs)
Typical Applications
General purpose use in ac-to-dc bridge full wave rectification for
Monitor, TV, Printer, Switching Mode Power Supply, Adapter, Audio
equipment, and Home Appliances applications
Package outline dimensions in millimeters
Maximum Ratings and Electrical Characteristics
Rating at 25oC ambient temperature unless otherwise specified.
KBJ4AU
KBJ4BU
KBJ4DU
KBJ4GU
KBJ4JU
KBJ4KU
KBJ4MU
Parameter
Symbols
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
800
560
800
1000
700
Volts
Volts
Volts
Maximum DC blocking voltage
100
1000
(1)
Maximum average forward
rectified output current at
TC=100oC
TA=25oC
4.0
2.3
IF(AV)
IFSM
Amps
Amps
(2)
Peak forward surge current, 8.3ms single half sine-wave
superimposed on rated load (JEDEC Method)
120
Rating for fusing (t<8.3ms)
I2t
60
A2sec
Volt
Maximum instantaneous forward voltage drop per leg at 2.0A
VF
1.0
Maximum DC reverse current
at rated DC blocking voltage per leg
TA=25oC
5
250
uA
IR
TA=125oC
(2)
RθJA
RθJC
26
5
Typical thermal resistance per leg
oC/W
(1)
Dielectric strength (Therminals to case, AC 1 minute)
Operating junction and storage temperature range
VISO
2000
Volts
oC
TJ, TSTG
-55 to +150
Notes:
1. Unit case mounted on 6.3x6.3x0.15cm thick Al plate heatsink.
2. Units mounted on P.C.B. with 0.5 x 0.5" (13 x 13 mm) copper pads and 0.375" (9.5 mm) lead length
3. Recommended mounting position is to bolt down on heatsink with silicone thermal compound for maximum heat transfer with #6 screw
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