KBJ4A THRU KBJ4M
Features
Mechanical Data
· Glass Passivated Die Construction
· High Case Dielectric Strength of 1500V
RMS
· Low Reverse Leakage Current
· Surge Overload Rating to 120A Peak
· Ideal for Printed Circuit Board Applications
· Plastic Material - UL Flammability Classification 94V-0
Maximum Ratings And Electrical Characteristics
· Case : Molded Plastic
· Terminals : Plated Leads, Solderable per
MIL-STD-202, Method 208
· Polarity : Molded on Body
· Mounting : Through Hole for #6 Screw
· Mounting Torque : 5.0 in-Ibs Maximum
· Approx. Weight : 4.6 grams
· 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) Measured at 1.0 MHz and applied reverse voltage of 4.0V DC.
(2) Thermal resistance from junction to case per element. Unit mounted on 300 x 300 x 1.6mm aluminum plate heat sink.
Peak Repetitive Reverse voltage
Working Peak Reverse voltage
DC Blocking voltage
RMS Reverse voltage
Average Rectified Output Current @ T
C
=115
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
R(RMS)
4.0
Amps120I
FSM
T
j
T
STG
500
-65 to +150
Amps
Peak Reverse Current at Rated
DC Blocking voltage
Typical Junction Capacitance
per element (Note 1)
Operating and Storage Temperature Range
KBJ
4A KBJ
4B KBJ
4D KBJ
4G KBJ
4J KBJ
4K KBJ
4M
35
5.0
40
100
70
200
140
400
280
600
420
800
560
1000
700 Volts
μA
/W
pF
Io
I
R
C
j
Rθ
JA
@ T
C
=25
@ T
C
=125
Typical Thermal Resistance (Note 2) 5.5
KBJ
Dim Min Max
A24.80 25.20
B14.70 15.30
17.20 17.80
C4.00 Nominal
D
E0.90 1.10
G7.30
3.10 O/3.40 O/
7.70
H
All Dimens ions in mm
Dim Min Max
3.30 3.70
1.50 1.90
9.30 9.70
2.50 2.90
3.40 3.80
4.40 4.80
0.60 0.80
K
J
L
M
N
P
R
_
A
B
D
J
K
C
E
G
H
L
M
N
P
R
RATINGS AND CHARACTERISTIC CURVES KBJ4A THRU KBJ4M
0.01
0.1
1.0
10
0 0.4 0.8 1.2 1.6 1.8
V , INST ANT ANEOUS FOR WARD VOL TAGE (V)
Fi
g
.2 T
y
pical Forward Characteristics
F
I , INST ANT ANEOUS FOR WARD CURRENT (A)
F
T = 150°C
J
T = 25° C
J
Pulse width = 300µs
0
40
80
120
160
180
110 100
I , PEAK FWD SURGE CURRENT (A)
FSM
NUMBER OF CYCLES AT 60 Hz
Fi
g
. 3 Max Non-Repetitive Sur
g
e Current
T = 150°C
j
Single half-sine-wave
(JEDEC method)
10
100
1000
0.1 1.0 10 100
C , JUNCTION CAP ACIT ANCE (pF)
j
V , REVERSE VOL TAGE (V)
Fi
g
.4 T
y
pical Junction Capacitance
R
f=1MHz
T = 25°C
j
0.1
1.0
10
100
1000
020 40 6080
100 120 140
I,INST ANT ANEOUS REVERSE CURRENT (µA)
R
PERCENT OF RA TED PEAK REVERSE VOL TAGE (%)
Fi
g
.5 T
y
pical Reverse Characteristics
T = 150°C
J
T = 125°C
J
T = 100°C
J
T = 25°C
J
0
1
2
3
4
5
6
25 50 75 100 125 150
I , AVERAGE RECTIFIED CURRENT (A)
O
T , CASE TEMPERA TURE C)
Fi
g
. 1 Forward Current Deratin
g
Curve
C
Resistive or
Inductive load