KBU4A ~ KBU4M
PRV : 50 - 1000 Volts
Io : 4.0 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
4A KBU
4B KBU
4D KBU
4G KBU
4J KBU
4K KBU
4M 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
Output Current at Ta = 30 °C (Note 1)
Peak Forward Surge Current, Single sine-wave
Superimposed on rated load
Maximum Instantaneous Forward Voltage per leg at IF = 4 A VFV
Maximum DC Reverse Current IRμA
at Rated DC Blocking Voltage per leg IR(H) mA
Thermal Resistance, Junction to Ambient, per leg (Note1) RθJA °C/W
Thermal Resistance, Junction to Lead, per leg (Note2) RθJL °C/W
Operating Junction and Storage Temperature Range TJ, TSTG °C
Notes :
(1) Units mounted on P.C.B. with 0.5 x 0.5" (12 x 12 mm) copper pads and 0.375" (9.5 mm) lead length.
(2) Units mounted on a 2.0 x 1.6 x 0.3" thick (5 x 4 x 0.8 cm) Al.Plate
Page 1 of 2 Rev. 01 : February 15, 2006
- 50 to + 150
4.0
RATING
IFSM 200
19
1.0
5.0 (Ta = 25°C)
1.0 (Ta = 125°C)
A
IF(AV) A
Silicon Bridge Rectifiers
4.0
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)
RATING AND CHARACTERISTIC CURVES ( KBU4A - KBU4M )
FIG.1 - DERATING CURVE FOR OUTPUT FIG.2 - MAXIMUM NON-REPETITIVE PEAK
RECTIFIED CURRENT FORWARD SURGE CURRENT
0 25 50 75 100 125 150 175 1 2 4 6 10 20 40 60 100
AMBIENT TEMPERATURE, ( °C) NUMBER OF CYCLES AT 60Hz
FIG.3 - TYPICAL FORWARD CHARACTERISTICS FIG.4 - TYPICAL REVERSE LEAKAGE
PER LEG CHARACTERISTICS PER LEG
0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3
FORWARD VOLTAGE,
(
V
)
Page 2 of 2 Rev. 01 : February 15, 2006
3.0
2.0
1.0
4.0
100
50
10
100
0
150
0
50
0.1
10
80
0.1
1.0
1.0
100
020 40 60
PERCENT OF RATED REVERSE
VOLTAGE, (%)
PEAK FORWARD SURGE
CURRENT, (A)
AVERAGE FORWARD
CURRENT, (A)
INSTANTANEOUS FORWARD
CURRENT, (A)
INSTANTANEOUS REVERSE
CURRENT, (µA)
TJ = 100 °C
75
125
25
60Hz Resistive or
Inductive Load
200
175
TJ = 25 °C
TJ = 25 °C
Pulse width = 300 µs
1% Duty Cycle
TJ = 150 °C
Single Sine-Wave
0.01