KBU8A

MOSPEC
KBU8A THRU KBU8M
SINGLE-PHASE BRIDGE RECTIFIER
VOLTAGE RANGE 50 to 1000 Volts
CURRENT
8.0 Ampere
FEATURES
*Low cost
*High forward surge current capability
*Ideal for printed circuit board
*High temperature soldering guaranteed:
260oc/10 second,0.375”(9.5mm)lead length
at 5 lbs. (2.3kg) tension.
MECHANICAL DATA
*Case: Transfer molded plastic
*Epoxy: UL94V-O rate flame retardant
*Terminals:Lead Solderable Per MIL-STD-202E
method 208C
*Polarity:Polarity symbols marked on case
*Mounting :Thru hole for #6 screw, 5 in,-lbs.Torqute Max.
*Weight: 0.27 ounce, 7.59 gram
MAXIMUM RATINGS AND ELECTRICAL CHARATERISTICS
* Rating at 25℃ ambient temperature unless otherwise specified
* Single phase,half wave. 60Hz, resistive or inductive load.
* For capacitive load derate current by 20 %
Characteristic
Symbol KBU8A KBU8B KBU8D KBU8G KBU8J KBU8K KBU8M
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
TC=100℃
Average Rectifier Forward
TA=45℃(Note 3)
Current at
Non-Repetitive Peak Surge Current
8.3 ms Single half sine-wave superimposed on
rated load
Forward Voltage (per element) ( IF 8.0 Amp)
Peak Reverse Current at rated
DC blocking voltage per element
TA = 25℃
TA = 100℃
Unit
VRRM
VRWM
VDC
50
100
200
400
600
800
1000
V
VR(RMS)
35
70
140
280
420
560
700
V
IO(AV)
8.0
A
6.0
IFSM
300
A
VFM
1.0
V
10
uA
IR
1.0
mA
I t Rating for Fusing( t<8.3ms)
2
It
373
A2s
Typical Junction Capacitance per element
(Note1)
CJ
200
pF
Rθ jc
5.0
TJ , Tstg
-65 to +150
2
Typical Thermal Resistance (per leg)(note 2)
Operating and Storage Temperature Range
Note: 1. Measured at 1.0 MHz and applied reverse voltage of 4.0V D.C.
2. Unit mounted on 3.0”×3.0”×0.11” thick (7.5×7.5×0.3 cm ) Al. plate.
3. Unit mounted in free air, no heatsink, P.C.B. at 375”(9.5mm) lead length with. 5”×5”(12×12 mm) copper pads..
o
C/W
℃
KBU8A THRU KBU8M
FIG-2 TYPICAL FORWARD CHARACTERISITICS
NSTANTANEOUS FORWARD CURRENT (Amp.)
60 Hz Resistive or
Inducttive Load
Heat Sink
Mounting
3.0”×3.0”×0.11”
(7.5×7.5×0.3 cm
AL Plate
TC
Case temperature
Ambient
TA
Temperature
P.C.B Mounting
0.47”×0.47” (12×12 mm)
Copper Pads
0.375”(9.5mm) Lead Length
O
TJ=25 C
Pulse Width=300us
1% Duty Cycle
CASE TEMPERATURE (℃)
FORWARD VOLTAGE (Volts)
FIG-3 PEAK FORWARD SURGE CURRENT
FIG-4 TYPICAL JUNCTION CAPACITANCE
FWD SURGE CURRENT (A)
O
TJ=25 C
Single Half
Sine Wave
(JEDEC Method)
IIFSM, PEAK
JUNCTION CAPACITANCE (PF)
AVERAGE FORWARD RECTIFIED CURRENT (Amp.)
FIG-1 FORWARD CURRENT DERATING CURVE
NUMBER OF CYCLES AT 60 Hz
O
TJ=25 C
f=1MHz
REVERSE VOLTAGE (Volts)
IR, INSTANTANEOUS REVERSE CURRENT (uA)
FIG-5 TYPICAL REVERSE CHARACTERISTICS
O
TJ=125 C
O
TJ=25 C
PERCENT OF RATED REVERSE VOLTAGE (﹪)