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: 260°C/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 25°Cambient 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 IF S M VF IR R θJ A R θJ C T J ,T S TG
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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