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DATA SHEET KBU4A~KBU4K
SILICON SINGLE-PHASE BRIDGE RECTIFIER VOLTAGE 50 to 800 Volts CURRENT 4.0 Amperes Recongnized File # E111753
FEATURES
.759(19.3)MAX
KBU
Unit: inch (mm)
.933(23.7) .894(22.7)
* Ideal for printed circuit board * Reliable low cost construction ulilizing molded pastic technique. * High temperature soldering guaranteed: 260C/10 seconds/.375"(9.5mm) lead length at 5 lbs. (2.3kg) tension * Both normal and Pb free product are available : Normal : 80~95% Sn, 5~20% Pb Pb free: 98.5% Sn above
.220(5.6) .177(4.5)
MECHANICALDATA
Case: Reliable low cost construction utilizing molded plastic technique Terminals: Leads solderable per MIL-STD-202, Method 208 Mounting position: Any Mounting torque: 5 in. lb. Max. Weight: 0.3 ounce, 8.0 grams
.052(1.3) .047(1.2)
.280(7.1) .259(6.6)
.220(5.6) .181(4.6)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25Cambient temperature unless otherwise specified. Resistive or inductive load, 60Hz. For Capacitive load derate current by 20%.
PA RA M E TE R M a xi m um R e c ur r e nt P e a k R e ve r s e V o l t a g e M a x i m u m R M S B r i d g e In p u t V o l t a g e M a xi m um D C B l o c k i ng V o l t a g e M a xi m um A ve r a g e F o r w a r d T C = 1 0 0 OC R e c t i f i e d O ut p ut C ur r e nt a t T A = 4 0 OC I2 t R a t i n g f o r f u s i n g ( t < 8 . 3 m s ) P e a k F o r w a r d S ur g e C ur r e nt s i ng l e s i ne - w a ve s up e r i m p o s e d o n r a t e d l o a d ( J E D E C m e t ho d ) M a xi m um F o r w a r d V o l t a g e D r o p p e r B r i d g e E l e m e nt a t 4 . 0 A M a xi m um R e ve r s e L e a k a g e C ur r e nt a t R a t e d @ T A = 2 5 OC D c B l o c k i ng V o l t a g e @ T A = 1 0 0 OC Ty p i c a l T h e r m a l R e s i s t a n c e p e r l e g ( N o t e 2 ) (No te 3 ) O p e r a t i n g J u n c t i o n a n d S t o r a g e Te m p e r a t u r e R a n g e
S YM B O L V RRM V RMS V DC IAV I2 t IFSM VF IR R J A R J C TJ,TSTG
K B U4 A 50 35 50
K B U4 B 100 70 100
K B U4 D K B U4 G K B U4 J K B U4 K 200 140 200 4 .0 93 150 1 .0 5 1000 8 .6 3 .1 -5 5 to + 1 5 0 400 280 400 600 420 600 800 560 800
.090(2.3) .066(1.7)
.1.0(25.4)MIN
.701(17.8) .661(16.8)
* Plastic material has Underwriters Laboratory Flammability Classification 94V-O
.240(6.7) .220(5.6)
U N IT S V V V A A 2s e c Apk Vpk uA
O
C /W
O
C
NOTES: 1. Recommended mounting position is to bolt down on heatsink with silicone thermal compound for maximum heat transfer with #6 screw. 2. Units Mounted in free air, no heatsink, P.C.B at 0.375"(9.5mm) lead length with 0.5 x 0.5"(12 x 12mm)copper pads. 3. Units Mounted on a 2.0 x 1.6" x 0.3" thick (5 x 4 x 0.8cm) AL plate.
STAD-APR.09.2004
PAGE . 1
RATING AND CHARACTERISTIC CURVES
AVERAGE FORWARD CURRENT AMPERES
6.0
HEAT-SINK MOUNTING, TC (4 x 4 x 0.15)INCH COPPER PLATE
FORWRD SURGE CURRENT, AMPERES pk (HALF SINE-WAVE)
150
125 100
4.0
75 50
2.0
0.5"(12.7mm) LEAD LENGTH 60Hz RESISTIVE OR INDUCTIVE LOAD
25 0 1 2 6 10 20 40 60 100
0 0 50
O
100
150
TEMPERATURE, C
NO. OF CYCLES AT 60Hz
Fig.1 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT
Fig.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT
100
10
INSTANTANEOUS FORWARD CURRENT, AMPERES
40 20 10 4.0 2.0 1.0
INSTANTANEOUS REVERSE CURRENT,uA
T A =100 C
1.0
O
0.1
TJ=25 OC Pulse Width = 300us 1% DULY Cycle
T A =25 O C
0.4 0.2 0.1 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4
0.01 0 20 40 60 80 100 120 140
PERCENT OF PEAK REVERE VOLTAGE,%
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
Fig.3 - TYPICAL REVERSE CHARACTERISTICS
Fig.4 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS PER ELEMENT
400
CAPACITANCE, pF
100
50
T J =25 OC f = 1MHz Visg = 50m Vp-p
10 1 5 10 50 100
REVERSE VOLTAGE, VOLTS
Fig.5 - TYPICAL JUNCTION CAPACITANCE
STAD-APR.09.2004
PAGE . 2

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