KBU4A THRU KBU4M
Features
Mechanical Data
· Low Forward Voltage Drop, High Current Capability
· Surge Overload Rating to 200A Peak
· Ideal for Printed Circuit Board Applications
· Case to Terminal Isolation Voltage 1500V
· Plastic Material - UL Flammability
Classification Rating 94V-0
Maximum Ratings And Electrical Characteristics
· Case : Molded Plastic
· Terminals : Plated Leads Solderable per
MIL-STD-202, Method 208
· Polarity : As Marked on Case
· Mounting : Through Hole for #6 Screw
· Mounting Torque : 5.0 Inch-pounds Maximum
· Weight : 8.0 grams (approx.)
· Marking : Type Number
(Ratings at 25℃ ambient temperature unless otherwise specified, Single phase, half wave 60Hz, resistive or inductive
load. For capacitive load, derate by 20%)
CURRENT 4.0 Amperes
VOLTAGE 50 to 1000 Volts
Notes:
(1) Thermal resistance junction to case mounted on heat sink.
(2) Non-repetitive, for t > 1.0ms and t < 8.3ms.
Peak Repetitive Reverse voltage
Working Peak Reverse voltage
DC Blocking voltage
RMS Reverse voltage
Average Rectified Output Current @ T
C
=100
Non-Repetitive Peak Forward Surge Current,
8.3ms single half-sine-wave superimposed
on rated load (JEDEC method)
Volts
Forward voltage (per element) @ I
F
=2.0 A
V
RMM
V
RWM
V
R
50 Volts
Symbols Units
1.0V
FM
V
RMS
4.0
Amps200I
FSM
T
j
T
STG
1.0
-65 to +150 ℃
Amps
Peak Reverse Current at Rated
DC Blocking voltage
I
2
t Rating for Fusing (Note 2)
Operating and Storage Temperature Range
KBU
4A KBU
4B KBU
4D KBU
4G KBU
4J KBU
4K KBU
4M
35
10
166
100
70
200
140
400
280
600
420
800
560
1000
700 Volts
μA
mA
A
2S
℃/W
Io
I
RM
I
2
t
Rθ
JA
@ T
C
=25℃
@ T
C
=100℃
Typical Thermal Resistance,
Junction to Case (Note 1) 6.3
℃
-~~+
B
C
D
H
M
N
P
A
E
L
K
J
G
KBU
Dim Min Max
A22.70 23.70
10.30 11.30
B3.80 4.10
4.20 4.70
1.70 2.20
4.50 6.80
4.80 5.80
16.80
25.40
17.80
19.30
6.60 7.10
4.70 5.20
1.20 1.30
C
G
D
H
E
All Dimens ions in mm
Dim Min Max
K
J
L
M
N
P
RATINGS AND CHARACTERISTIC CURVES KBU4A THRU KBU4M
0.01
0.1
1.0
10
00.2 0.4 0.6 0.8 1.0 1.2 1.4
I , INS TANTANE O US F W D C UR R E NT(A)
F
V , INS TA NTANE O US F W D V OLTAG E(V )
F i
g
.2 T
y
pica l F orward C ha racteris tics
F
T = 25° C
j
P uls e W idth = 300µs
0
50
100
150
200
2
5
0
1 1 0 100
I , P E A K F WD S U R G EC UR R E NT(A)
F S M
NUMBE ROF C YC LE S AT 60Hz
F i
g
. 3 Max Non-R epetitive S ur
g
e C urrent
T = 150°C
j
S ingle Half-S ine-W ave
(J E DE CMethod)
0.01
0.1
1.0
10
100
1000
020 40 60 80 100 120 140
I , INS T ANTANE
O
US R E V E R S E
C UR R E NT
(µA)
R
P E R C E NTOF R ATE DPE AK R E VE R S EVOLTAG E(%
)
F ig.5 Typical R evers eC ha racteris tics
T= 25° C
j
T= 100°C
j
0
1
2
3
4
5
25 50 75 100 125 150
T ,C AS ETE MP E R AT UR E(°C )
F i
g
. 1 F orward C urrent Dera tin
g
C urve
C
I , A VE R AG EF W D R E C TIF IE D
C UR R E NT (A)
(A V)
R esistiveor
Inductive load
10
100
1000
0.1 1 10 100
C
, J UNC T ION C APAC ITANC E (pF )
j
V , R E V E R S EVOLTAG E(V)
F i
g
.4 T
y
pica l J unction C apacita nce
R
f=1Mhz
T = 25°C
j
