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
O
C
R e c t i f i e d O ut p ut C ur r e nt a t T
A
= 4 0
O
C
I
2
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
O
C
D c B l o c k i ng V o l t a g e @ T
A
= 1 0 0
O
C
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
I
AV
I
2
t
I
F S M
V
F
I
R
Rθ J A
Rθ J 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
2
s 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 C
Pulse Width = 300us
1% DULY Cycle
O
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
O
C
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
详细参数
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