Transient Voltage Suppression Diodes
Axial Leaded – 15000W > 15KPA series
15KPA Series
Descriptions
Uni-directional
RoHS
Pb
e3
The 15KPA Series is designed specifically to protect
sensitive electronic equipment from voltage transients
induced by lightning and other transient voltage events.
Bi-directional
Features
• Glass passivated chip
junction in P600 package
• 15kW peak pulse
capability at 10/1000μs
waveform, repetition rate
(duty cycles):0.01%
• Fast response time:
typically less than 1.0ps
from 0 Volts to BV min
• Excellent clamping
capability
• Typical failure mode is
short from over-specified
voltage or current
• Whisker test is conducted
based on JEDEC
JESD201A per its table 4a
and 4c
• IEC-61000-4-2 ESD
30kV(Air), 30kV (Contact)
• ESD protection of data
lines in accordance with
IEC 61000-4-2
• EFT protection of data
lines in accordance with
IEC 61000-4-4
Applications
TVS componants are ideal for the protection of I/O
interfaces, V
CC
bus and other vulnerable circuits used in
telecom, computer, industrial and consumer
electronic applications.
Additional Infomarion
• Low incremental surge
resistance
• Typical I
R
less than 2μA
when V
BR
min>36V
• High temperature
to reflow soldering
guaranteed: 260°C/40sec
/ 0.375” (9.5mm) lead
,
length, 5 lbs., (2.3kg)
tension
• V
BR
@ T
J
= V
BR
@25°C
x (1+
α
T x (T
J
- 25))
(
α
T:Temperature
Coefficient, typical value
is 0.1%)
• UL Recognized compound
meeting flammability
rating V-0
• Matte tin lead–free plated
• Halogen free and RoHS
compliant
• Pb-free E3 means 2nd
level interconnect is
Pb-free and the terminal
finish material is tin(Sn)
(IPC/JEDEC J-STD-
609A.01)
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E230531
Maximum Ratings and Thermal Characteristics
(T
A
=25
O
C unless otherwise noted)
Parameter
Peak Pulse Power Dissipation by
10/1000μs Test Waveform (Fig.2)
(Note 1)
Steady State Power Dissipation on
Infinite Heat Sink at T
L
=75ºC
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave Unidirectional
Only (Note 2)
Operating Junction and Storage
Temperature Range
Typical Thermal Resistance
Junction to Lead
Typical Thermal Resistance
Junction to Ambient
Symbol
P
PPM
P
D
I
FSM
T
J
, T
STG
R
θJL
R
θJA
Value
15
8.0
400
-55 to 175
8.0
40
Unit
kW
W
A
°C
°C/W
°C/W
Notes:
1. Non-repetitive current pulse , per Fig. 4 and derated above T
J
(initial) =25
O
C per Fig. 3.
2. Measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 per
minute maximum.
Functional Diagram
Bi-directional
Datasheet
Resources
Samples
Cathode
Uni-directional
Anode
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/20/18
Transient Voltage Suppression Diodes
Axial Leaded – 15000W > 15KPA series
Electrical Characteristics
(T =25°C unless otherwise noted)
A
Part
Number
(Uni)
15KPA17A
15KPA18A
15KPA20A
15KPA22A
15KPA24A
15KPA26A
15KPA28A
15KPA30A
15KPA33A
15KPA36A
15KPA40A
15KPA43A
15KPA45A
15KPA48A
15KPA51A
15KPA54A
15KPA58A
15KPA60A
15KPA64A
15KPA70A
15KPA75A
15KPA78A
15KPA85A
15KPA90A
15KPA100A
15KPA110A
15KPA120A
15KPA130A
15KPA150A
15KPA160A
15KPA170A
15KPA180A
15KPA200A
15KPA220A
15KPA240A
15KPA260A
15KPA280A
Part
Number
(Bi)
15KPA17CA
15KPA18CA
15KPA20CA
15KPA22CA
15KPA24CA
15KPA26CA
15KPA28CA
15KPA30CA
15KPA33CA
15KPA36CA
15KPA40CA
15KPA43CA
15KPA45CA
15KPA48CA
15KPA51CA
15KPA54CA
15KPA58CA
15KPA60CA
15KPA64CA
15KPA70CA
15KPA75CA
15KPA78CA
15KPA85CA
15KPA90CA
15KPA100CA
15KPA110CA
15KPA120CA
15KPA130CA
15KPA150CA
15KPA160CA
15KPA170CA
15KPA180CA
15KPA200CA
15KPA220CA
15KPA240CA
15KPA260CA
15KPA280CA
Reverse
Stand off
Voltage V
R
(Volts)
17
18
20
22
24
26
28
30
33
36
40
43
45
48
51
54
58
60
64
70
75
78
85
90
100
110
120
130
150
160
170
180
200
220
240
260
280
Breakdown
Voltage V
BR
(Volts) @ I
T
MIN
18.99
20.11
22.34
24.57
26.81
29.04
31.28
33.51
36.9
40.2
44.7
48.0
50.3
53.6
57
.0
60.3
64.8
67
.0
71.5
78.2
83.8
87
.1
94.9
100.5
111.7
122.9
134.0
145.2
167
.6
178.7
189.9
201.1
223.4
245.7
268.1
290.4
312.8
MAX
20.79
22.01
24.46
26.91
29.35
31.80
34.24
36.70
40.4
44.0
48.9
52.6
55.0
58.7
62.4
66.0
70.9
73.4
78.3
85.6
91.7
95.4
104.0
110.1
122.3
134.5
146.8
159.0
183.5
195.7
207
.9
220.1
244.6
269.1
293.5
318.0
342.4
Test
Current
I
T
(mA)
50
50
20
10
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
Maximum
Peak
Pulse
Current I
pp
(A)
515.4
488.7
440.2
407
.0
371.0
343.2
317
.9
297
.8
276.1
252.5
229.5
216.3
207
.4
194.3
182.1
172.2
161.0
155.0
144.9
132.9
123.8
119.7
109.7
103.7
93.6
84.5
78.5
72.5
62.4
58.4
55.4
52.3
47
.3
42.4
39.3
36.2
33.2
Maximum
Reverse
Leakage
I
R
@ V
R
(µ A)
5000
5000
1500
500
150
50
25
15
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
Maximum
Clamping
Voltage
V
C
@ I
PP
(V)
29.3
30.9
34.3
37
.1
40.7
44.0
47
.5
50.7
54.7
59.8
65.8
69.8
72.8
77
.7
82.9
87
.7
93.8
97
.4
104.2
113.6
122.0
126.1
137
.6
145.6
161.3
178.6
192.3
208.3
241.9
258.6
272.7
288.5
319.1
356.0
384.6
416.7
454.5
Agency
Recognition
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
For bidirectional type having V
R
of 30 volts and less, the I
R
limit is double.
For parts without A, the V
BR
is ±10% and Vc is 5% higher than with A parts
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/20/18
2
Transient Voltage Suppression Diodes
Axial Leaded – 15000W > 15KPA series
I-V Curve Characteristics
Uni-directional
Bi-directional
I
pp
Vc V
BR
V
R
I
R
V
F
I
T
V
Vc V
BR
V
R
I
T
I
R
I
R
I
T
V
R
V
BR
Vc
V
I
pp
I
pp
P
PPM
V
R
V
BR
V
C
I
R
V
F
Peak Pulse Power Dissipation
-- Max power dissipation
Stand-off Voltage
-- Maximum voltage that can be applied to the TVS without operation
Breakdown Voltage
-- Maximum voltage that flows though the TVS at a specified test current (I
T
)
Clamping Voltage
-- Peak voltage measured across the TVS at a specified Ippm (peak impulse current)
Reverse Leakage Current
-- Current measured at V
R
Forward Voltage Drop for Uni-directional
Ratings and Characteristic Curves
(T =25°C unless otherwise noted)
A
Figure 1 - TVS Transients Clamping Waveform
Voltage Transients
Figure 2 - Peak Pulse Power Rating Curve
1000
TJ initial = Tamb
P
PPM
-Peak Pulse Power (kW)
Voltage Across TVS
Voltage or Current
15kW at 10/1000µs, 25°C
100
Current Through TVS
10
1
0.001
0.01
0.1
1
10
Time
t
d
-Pulse Width (ms)
continues on next page.
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/20/18
Transient Voltage Suppression Diodes
Axial Leaded – 15000W > 15KPA series
Ratings and Characteristic Curves
(T =25°C unless otherwise noted)
(Continued)
A
Figure 3 - Peak Pulse Power Derating Curve
Figure 4 - Test Pulse Waveform
150
I
PPM
- Peak Pulse Current, % I
RSM
tr=10µsec
Peak Value
IPPM
TJ=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
Peak Pulse Power (P
PP
) or Current (I
PP
)
Derating in Percentage %
100
75
100
50
Half Value
IPPM
IPPM
2
( )
10/1000µsec. Waveform
as defined by R.E.A
25
50
0
0
25
50
75
100
125
150
175
200
0
td
T
J
- Initial Junction Temperature (ºC)
0
1.0
2.0
t-Time (ms)
3.0
4.0
Figure 5 - Typical Junction Capacitance
100000
Figure 6 - Typical Transient Thermal Impedance
100
Transient Thermal Impedance (°C/W)
350
Uni-direc onal V=0V
10000
Bi-direc onal V=0V
10
Cj (pF)
1000
100
Uni-direc onal V=
V
R
Bi-direc onal V=
V
R
1
10
1
0
50
100
150
200
250
300
0.1
0.01
0.1
1
10
100
1000
TP - Pulse Duration (s)
V
BR
- Reverse Breakdown Voltage (V)
Figure 7 - Maximum Non-Repetitive Peak Forward
Surge Current Uni-Directional Only
1000
900
800
700
600
500
400
300
200
100
0
1
10
Number of Cycles at 60 Hz
Figure 8 - Peak Forward Voltage Drop vs Peak Forward
Current (Typical Values)
2 stacked-die
IFSM
-
Peak Forward Surve Current (A)
100
I F - Peak Forward Current(A)
10
3 stacked-die
1
0.1
100
0.0
2.0
4.0
6.0
8.0
10.0
12.0
VF - Peak Forward Voltage(V)
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/20/18
Transient Voltage Suppression Diodes
Axial Leaded – 15000W > 15KPA series
Soldering Parameters
Reflow Condition
- Temperature Min (T
s(min)
)
Pre Heat
- Temperature Max (T
s(max)
)
- Time (min to max) (t
s
)
Average ramp up rate (Liquidus Temp (T
A
)
to peak
T
S(max)
to T
A
- Ramp-up Rate
Reflow
- Temperature (T
A
) (Liquidus)
- Time (min to max) (t
s
)
Lead–free
assembly
150°C
Temperature (T)
t
p
Ramp-up
Critical Zone
T
L
to T
P
T
P
200°C
60 – 180 secs
3°C/second max
3°C/second max
217°C
60 – 150 seconds
260
+0/-5
°C
20 – 40 seconds
6°C/second max
8 minutes Max.
260°C
T
L
T
s(max)
t
L
T
s(min)
Ramp-down
Preheat
t
s
25˚C
t 25˚C to Peak
Time (t)
Peak Temperature (T
P
)
Time within 5°C of actual peak
Temperature (t
p
)
Ramp-down Rate
Time 25°C to peak Temperature (T
P
)
Do not exceed
Flow/Wave Soldering (Solder Dipping)
Peak Temperature :
Dipping Time :
Soldering :
265
O
C
10 seconds
1 time
Physical Specifications
Weight
Case
Polarity
Terminal
0.07oz., 2.5g
P600 molded plastic body over
passivated junction.
Color band denotes the cathode except
Bipolar.
Matte Tin axial leads, solderable per
JESD22-B102.
Environmental Specifications
High Temp. Storage
HTRB
Temperature Cycling
H3TRB
RSH
JESD22-A103
JESD22-A108
JESD22-A104
JESD22-A101
JESD22-B106
Dimensions
Cathode Band
D
A
(for uni-directional products only)
Dimensions
Inches
Min
1.000
0.340
0.048
0.340
Max
-
0.360
0.052
0.360
Millimeters
Min
25.40
8.60
1.22
8.60
Max
-
9.10
1.36
9.10
C
B
P600
A
B
C
D
A
© 2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 04/20/18
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