KA Series
Lightning Surge Protection
Axial Lead
Transient Voltage Suppressors
Reverse Stand-Off Voltage :
58 to 430 V
Features
●
●
●
●
●
●
●
●
●
●
High current transient suppressors.
Excellent Clamping Capability.
Glass Passivated chip
Bi-directional.
Low Slope Resistance.
Hazardous Substances Free.
RoHS Compliant.
High Temperature soldering: 260°C/10 seconds at terminals
Epoxy Encapsulated.
UL certified
Maximum Ratings And Thermal Characterics
Parameter
Current Rating, Rated IPP measured with 8/20us pulse
Symbol
Ipp
K1
1
KA
3
KB
6
KC
10
KD
15
- 55 to +150
Value
UNIT
Kamps
Operating junction and storage temperature range
T
J
, T
STG
°C
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P. 1
KA Series
Dimensions
Dimensions
A
B
C
D
E
F
Inches
max 0.571
max 0.500
0.051 ± 0.001
0.236 ± 0.039
0.95 ± 0.028
max 0.098
K1 Series
Millimeters
max 14.5
max 12.7
1.30 ± 0.02
6.0 ± 1.0
24.15 ± 0.7
max 2.5
Dimensions
A
B
C
D
E
F
Inches
max 0.571
max 0.500
0.051 ± 0.001
0.236 ± 0.039
0.95 ± 0.028
max 0.098
KA Series
Millimeters
max 14.5
max 12.7
1.30 ± 0.02
6.0 ± 1.0
24.15 ± 0.7
max 2.5
Dimensions
A
B
C
D
E
F
Inches
max 0.571
max 0.500
0.051 ± 0.001
0.236 ± 0.039
0.95 ± 0.028
max 0.098
KB Series
Millimeters
max 14.5
max 12.7
1.30 ± 0.02
6.0 ± 1.0
24.15 ± 0.7
max 2.5
Dimensions
A
B
C
D
E
F
Inches
max 0.630
max 0.571
0.051 ± 0.001
0.236 ± 0.039
0.95 ± 0.028
max 0.098
KC Series
Millimeters
max 16
max 14.5
1.30 ± 0.02
6.0 ± 1.0
24.15 ± 0.7
max 2.5
Dimensions
A
B
C
D
E
F
Inches
max 0.661
max 0.606
0.051 ± 0.001
0.236 ± 0.039
0.95 ± 0.028
max 0.098
KD Series
Millimeters
max 16.8
max 15.4
1.30 ± 0.02
6.0 ± 1.0
24.15 ± 0.7
max 2.5
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P. 2
KA Series
Ratings and Characteristics Curves (T
A
=25℃ unless otherwise noted)
Peak Pulse Derating in Percentage
of Peak Power or Current, (%)
100
75
100
25
175
100
AVERAGE FORWARD
AMBIENT TEMPERATURE , (℃) CURRENT, (A)
0
50
25
0
0
0
25
50
75
100
125
Ambient Temperature ,TA (℃)
150
175
200
Fig. 1 - Pulse Derating Curve
Soldering Parameters
IR-Reflow Condition
Temp. min
Pre Heat
Temp. max
Time(min to max)
150
200
60-180
<3
>220
255-260
60-150
<3
10-30
<5
<6
280
℃
℃
sec
T
P
Temperature(T)
Ramp up rate (150-200℃)
Liquidus Temp.
Reflow
Peak Temp.
Time(Liq. to Peak)
℃/sec
Pre Heat
T
L
T
s(max)
T
s(min)
℃
℃
sec
℃/sec
sec
℃/sec
min
℃
0
60
240
300
Ramp-up
320
420
0 25
Reflow
150
1
t
p
4 200
5 260
Ramp
5.33 260
t
L
down
7 150
Ramp up rate (220-200℃)
Time within actual peak temp.
t
s
Perheat
Temp from 25
°C to Peak
Ramp down Rate
Time(25℃ to Peak temp.)
Do not exceed
Time(t)
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P. 3
KA Series
Electrical Characteristics(T
A
=25℃ unless otherwise noted)
Part Number
K1076
KA058
KA076
KA380
KA430
KB058
KB066
KB076
KB170
KB190
KB240
KB380
KB430
KC058
KC066
KC076
KC170
KC190
KC240
KC380
KC430
KD058
KD076
Reverse Stand-Off
Voltage
VAC(V)
VDC(V)
Breakdown
Voltage
VBR(V)
MIN.@IT
Test
Current
IT(mA)
Current
Rating
8/20μs
(KA)
Maximum
Energy
Maximum
Clamping
Voltage
Reverse
Leakage
IR(μA)
@VDC
10/1000μs
VC(V) @IPP
(A)
54
40
54
275
310
40
45
54
130
145
180
275
310
40
45
54
130
145
180
275
310
40
54
76
58
76
380
430
58
66
76
170
190
240
380
430
58
66
76
170
190
240
380
430
58
76
83
64
85
401
440
64
70
83
180
200
250
401
440
64
70
83
180
200
250
401
440
64
85
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
1
3
3
3
3
6
6
6
6
6
6
6
6
10
10
10
10
10
10
10
10
15
15
5600
2450
2800
15000
18000
4900
5200
5600
14000
16800
18000
30000
30000
8158
8658
9324
23310
27972
18000
30000
30000
13058
14924
135
110
140
520
625
110
125
135
260
290
340
520
625
110
125
135
260
290
340
520
625
110
150
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
20
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P. 4
FPGA/CPLD
