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KBU401 THRU KBU407
Single Phase 4.0 AMPS. Silicon Bridge Rectifiers
Voltage Range
50 to 1000 Volts
Current
4.0 Amperes
Features
UL Recognized File # E-96005
High surge current capability
Ideal for printed circuit board
Reliable low cost construction technique
results in inexpensive product
High temperature soldering guaranteed:
260℃ / 10 seconds / 0.375” ( 9.5mm )
lead length at 5 lbs., ( 2.3 kg ) tension
Weight: 8 grams
KBU
Dimensions in inches and (millimeters)
Maximum Ratings and Electrical Characteristics
Rating at 25℃ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%
Type Number Symbol KBU
401 KBU
402 KBU
403 KBU
404 KBU
405 KBU
406 KBU
407 Units
Maximum Recurrent 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 Avera
g
e Forward Rectified Current
@TA = 65℃ I(AV) 4.0 A
Peak Forward Surge Current, 8.3 ms Single
Half Sine-wave Superimposed on Rated
Load (JEDEC method ) IFSM 200 A
Maximum Instantaneous Forward Voltage
@ 4.0A VF 1.0 V
Maximum DC Reverse Current @ TA=25℃
at Rated DC Blocking Voltage @ TA=100℃ IR 10
500 uA
uA
Typical Thermal Resistance (Note 1)
(Note 2) R
θ
JA
R
θ
JL 19
4.0 ℃/W
Operating Temperature Range TJ -55 to +125 ℃
Storage Temperature Range TSTG -55 to +150 ℃
Note: 1. Units Mounted on P.C.B. with 0.5 x 0.5” (12 x 12mm) Copper Pads and 0.375” (9.5mm)
Lead Length.
2. Units Mounted on a 2” x 3” x 0.25” Al-Plate.
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RATINGS AND CHARACTERISTIC CURVES (KBU401 THRU KBU407)
FIG.4- TYPICAL REVERSE CHARACTERISTICS
PER BRIDGE ELEMENT
INSTANTANEOUS REVERSE CURRENT.( A)
020 40 60 80 100 120 140
0.1
1.0
10
100
PERCENT OF RATED PEAK REVERSE VOLTAGE. (%)
Tj=100 C
0
Tj=25 C
0
FIG.2- MAXIMUM FORWARD CURRENT DERATING
CURVE
AVERAGE FORWARD CURRENT. (A)
050 100 150
0
1.0
3.0
2.0
4.0
AMBIENT TEMPERATURE. ( C)
o
MOUNTED ON 4X4 INCH
COPPER PC BOARD
0.5"(12.7mm) LEAD LENGTH
FIG.1- MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT PER BRIDGE ELEMENT
PEAK FORWARD SURGE CURRENT. (A)
10
5
2
15020 100
25
175
100
125
50
75
150
200
NUMBER OF CYCLES AT 60Hz
8.3ms Single Half Sine Wave
Tj=25 C
0
FIG.3- TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS PER BRIDGE ELEMENT
INSTANTANEOUS FORWARD CURRENT. (A)
0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3
0.1
0.2
0.4
2.0
4.0
20
40
1.0
10
100
INSTANTANEOUS FORWARD VOLTAGE. (V)
8.3ms Single Half Sine Wave
Tj=25 C
0
