KBU6A ~ KBU6M
PRV : 50 - 1000 Volts
Io : 6.0 Amperes
FEATURES :
* Ideal for printed circuit boards
* High surge current capability
* High case dielectric strength of 1500 VRMS
* Pb / RoHS Free
MECHANICAL DATA
:
* Case : Molded plastic
* Polarity : Polarity symbols marked on case
* Mounting position : Any
* Weight : 8.0 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTIC
S
Ratin
g
at 25 °C ambient tem
p
erature unless otherwise s
p
ecified.
SYMBOL KBU
6
A
KBU
6B KBU
6D KBU
6G KBU
6J KBU
6K KBU
6M UNIT
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 Average Forward Rectified Tc = 100 °C (1)(2)
Output Current at Ta = 40 °C (3)
Peak Forward Surge Current, Single sine-wave
Superimposed on rated load
Maximum Instantaneous Forward Voltage per leg at IF = 6 A VFV
Maximum DC Reverse Current IRμA
at Rated DC Blocking Voltage per leg IR(H) mA
Thermal Resistance, Junction to Ambient, per leg (2) RθJA °C/W
Thermal Resistance, Junction to Case, per leg (2) RθJC °C/W
Operating Junction and Storage Temperature Range TJ, TSTG °C
Notes :
(1) Recommended mounted position is to bolt down on heatsink with silicone thermal compound for maximum heat thansfer with #6 screw
(2) Thermal resistance from junction to ambient with units in free air, P.C.B. mounted on 0.5 x 0.5" (12 x 12 mm) copper pads,
0.375" (9.5 mm) lead length.
(3) Thermal resistance from junction to case with units mounted on a 2.6 x 1.4 x 0.06" thick (6.5 x 3.5 x 15 cm) Al.Plate
Pa
g
e 1 of 2 Rev. 01 : Februar
y
15, 2006
Silicon Bridge Rectifiers
8.6
1.0
5.0 (Ta = 25°C)
1.0 (Ta = 125°C)
RATING
IFSM 250 A
IF(AV) A
- 50 to + 150
3.1
6.0
6.0
0.085 (2.16)
0.065 (1.65)
KBU
0.935 (23.7)
0.895 (22.7)
0.280 (7.1 )
0.260 (6.6)
0.220 (5.60)
0.180 (4.60)
0.052 (1.30)
0.048 (1.20)
Dimensions in inches and ( millimeter )
+AC AC
0.760 (19.3)
MAX.
1.80 (29.9)
MIN.
1.0 (25.4)
MIN.
+
+0.085 (2.2)
0.065 (1.7)
0.16 (4.1)
0.14 (3.6)
FIG.1 - DERATING CURVE FOR OUTPUT FIG.2 - MAXIMUM NON-REPETITIVE PEAK
RECTIFIED CURRENT FORWARD SURGE CURRENT PER LEG
0 50 100 150 1 2 4 6 10 20 40 60 100
TEMPERATURE, ( °C) NUMBER OF CYCLES AT 60Hz
FIG.3 - TYPICAL INSTANTANEOUS FORWARD FIG.4 - TYPICAL REVERSE LEAKAGE
CHARACTERISTICS PER LEG CHARACTERISTICS PER LEG
0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3
INSTANTANEOUS FORWARD VOLTAGE,
(
V
)
Page 2 of 2 Rev. 01 : February 15, 2006
RATING AND CHARACTERISTIC CURVES ( KBU6A - KBU6M )
4.5
3.0
1.5
6.0
100
50
10
150
0
200
50
100
0.1
10
80
0.1
1.0
100
020 40 60
PERCENT OF RATED PEAK REVERSE
VOLTAGE, (%)
PEAK FORWARD SURGE
CURRENT, (A)
AVERAGE FORWARD
CURRENT, (A)
INSTANTANEOUS FORWARD
CURRENT, (A)
INSTANTANEOUS REVERSE
CURRENT, (µA)
TJ = 100 °C
125
175
75
P.C.B. Mounting, Ta,
0.375" (9.5 mm) Lead Length
with 0.5 x 0.5" (12 x 12 mm)
Copper Pad Areas
250
225
TJ = 25 °C
TJ = 25 °C
Pulse width = 300 µs
1% Duty Cycle
TJ = 150 °C
Single Sine-Wave
0.01
Heatsink Mounting,
Tc, 2.6 x 1.4 x 0.06"
(6.5 x 3.5 x 15 cm)
Al.Plate