Mar- 09
KBU404G ........ KBU407G
4.0 Amp. Glass Passivated Bridge Rectifiers
Maximum Ratings and Electrical Characteristics at 25 ºC
V
RRM
Maximum Recurrent Peak Reverse Voltage (V)
Maximum RMS Voltage (V)
I
FSM
Peak Forward Surge Current, 8.3 ms Single
Half Sine-wave Superimposed on Rated
Load (JEDEC Method)
V
DC
Maximum DC Blocking Voltage (V)
150 A
V
RMS
T
j
Operating Temperature Range -55 to +150 °C
Current
4.0 A
Voltage
400 V to 1000 V
I
F(AV)
Maximum Average Forward Rectified
Current @ TA = 50 °C 4.0 A
T
stg
Storage Temperature Range -55 to +150 °C
Electrical Characteristics at Tamb = 25 °C
1.0 V
V
F
Maximum Instantaneous Forward Voltage
@ = 2.0 A
@ = 4.0 A
I
R
Maximum DC Reverse Current @ TA = 25 °C
at Rated DC Blocking Voltage @ TA =125°C
5.0 µA
500 µA
400
400
280
600
600
420
800
800
560
1000
1000
700
KBU
404G
KBU
405G
KBU
406G
KBU
407G
MECHANICAL DATA
Case: Molded plastic body.
Plastic material has Underwriters Laboratory
Flammability Classification 94V-0
Mounting position: Any
Dimensions in mm.
KBU
Ideal for printed circuit board
Glass passivated chip junction
Reliable low cost
construction
S
urge overload rating to 150 amperes peak
High temperature soldering guaranteed:
260 °C / 10 seconds / 9.5mm, lead lengths.
Mounting torque: 5 in. Ibs. Max.
1.1 V
.185(4.7)
.165(4.2) .280(7.1)
.260(6.6)
.935(23.7)
.895(22.7)
.160(4.1)
.140(3.6)
.70(17.8)
.66(16.8)
.455(11.3)
.405(10.3)
.085(2.2)
.065(1.7)
.260(6.8)
.180(4.5)
.220(5.6)
.180(4.6)
.052(1.3)
.048(1.2)
.165(4.2)
.150(3.8)
1.0 (25.4)
MIN
.0760 (19.3)
MAX
45º
Typical Thermal Resistance
(Note1)
19 °C/W
Rth (j-a)
Rth (j-l) 4.0 °C/W
(Note 2)
Notes: 1. Units Mounted on P.C.B. with 0.5" x 0.5" (12mm x 12mm) Copper Pads and 0.375" 9.5mm) Lead Lenght.
2. Units Mounted on 2.0" x 3.0" x 0.25" Al. Plate.
Rating And Characteristic Curves
Mar - 09
KBU404G ........ KBU407G
FIG.2- TYPICAL REVERSE CHARACTERISTICS
PER BRIDGE ELEMENT
020
0.1
1
10
100
PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
TJ=125ºC
TJ=25ºC
FIG.3- MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT PER BRIDGE ELEMENT
PEAK FORWARD SURGE CURRENT.(A)
10
2
140 60
20
50
0
100
150
200
250
NUMBER OF CYCLES AT 60Hz
FIG.1- MAXIMUM FORWARD CURRENT DERATING
CURVE
AVERAGE FORWARD CURRENT.(A)
50 100 150
0
5
4
2
AMBIENT TEMPERATURE. ( C)
o
FIG.5- TYPICAL FORWARD CHARACTERISTICS
PER BRIDGE ELEMENT
INSTANTANEOUS FORWARD CURRENT.(A)
0.6 0.7 0.90.8 1.0 1.3
INSTANTANEOUS FORWARD VOLTAGE. (V)
INSTANTANEOUS REVERSE CURRENT.(A)
0.1
Tj=25ºC
8.3ms Single Half Sine Wave
2
FIG.4- TYPICAL JUNCTION CAPACITANCE
1510 100
1000
600
500
400
300
200
100
0
REVERSE VOLTAGE. (V)
200 500
JUNCTION CAPACITANCE.(pF)
Tj=25ºC
50
0.1 0.5
0
3
40 60 80 100 120 140
20 800
0.2
0.4
1
2
4
10
20
40
100
1.1 1.2
46 100
1
8.3ms Single Half Sine Wave
MOUNTED ON 4x4 INCH
COPPER PC BOARD
0.5" (12.7 mm) LEAD LENGTH
