1.5KE
Transil™
Datasheet
−
production data
Features
■
■
■
■
■
■
Peak pulse power: 1500 W (10/1000 µs)
Breakdown voltage range:
From 6.8 V to 440 V
Uni and bidirectional types
Low clamping factor
Fast response time
UL 497B file number: QVGQ2.E136224
DO-201
K
A
Description
Transil diodes provide high overvoltage protection
by clamping action. Their instantaneous response
to transient overvoltages makes them particularly
suited to protect voltage sensitive devices such as
MOS Technology and low voltage supplied IC’s.
TM:Transil
is a trademarks of STMicroelectronics.
March 2012
This is information on a product in full production.
Doc ID 2913 Rev 4
1/10
www.st.com
10
Characteristics
1.5KE
1
Table 1.
Symbol
P
PP
P
I
FSM
T
stg
T
j
T
L
Characteristics
Absolute maximum ratings (T
amb
= 25
°C
)
Parameter
Peak pulse power dissipation
(1)
Power dissipation on infinite heatsink
Non repetitive surge peak forward current for unidirectional
types
Storage temperature range
Maximum operating junction temperature
Maximum lead temperature for soldering during 10s at 5mm from case.
T
j initial
= T
amb
T
amb
= 75 °C
t
p
= 10 ms
T
j initial
= T
amb
Value
1500
5
200
-65 to + 175
175
230
Unit
W
W
A
°C
°C
°C
1. For a surge greater than the maximum values, the diode will fail in short-circuit.
Table 2.
Symbol
R
th(j-l)
R
th(j-a)
Thermal parameter
Parameter
Junction to leads
Junction to ambient on printed circuit. L
lead
= 10 mm
Value
20
°C/W
75
Unit
Figure 1.
Electrical characteristics - definitions
I
I
F
Unidirectional
I
I
PP
V
RM
Stand-off voltage
V
BR
Breakdown voltage
V
CL
Clamping voltage
I
RM
Leakage current @ V
RM
I
PP
Peak pulse current
I
R
Breakdown current
α
T Voltage temperature
coefficient
V
F
Forward voltage drop
R
D
Dynamic impedance
V
CL
V
BR
V
RM
I
RM
I
R
V
F
V
V
CL
V
BR
V
RM
I
R
I
RM
I
RM
I
R
V
V
RM
V
BR
V
CL
I
PP
I
PP
Bidirectional
2/10
Doc ID 2913 Rev 4
1.5KE
Table 3.
Electrical characteristics - parameter values (T
amb
= 25 °C)
I
RM
@ V
RM
Order code
max.
µA
1.5KE6V8A/CA
1.5KE7V5A/CA
1.5KE10A/CA
1.5KE12A/CA
1.5KE15A/CA
1.5KE18A/CA
1.5KE22A/CA
1.5KE24A/CA
1.5KE27A/CA
1.5KE30A/CA
1.5KE33A/CA
1.5KE36A/CA
1.5KE39A/CA
1.5KE47A/CA
1.5KE56A/CA
1.5KE62A/CA
1.5KE68A/CA
1.5KE82A/CA
1.5KE100A/CA
1.5KE120A/CA
1.5KE150A/CA
1.5KE180A/CA
1.5KE200A/CA
1.5KE220A/CA
1.5KE250A/CA
1.5KE300A/CA
1.5KE350A/CA
1.5KE400A/CA
1.5KE440A/CA
1000
500
10
5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
V
5.8
6.4
8.55
10.2
12.8
15.3
18.8
20.5
23.1
25.6
28.2
30.8
33.3
40.2
47.8
53.0
58.1
70.1
85.5
102
128
154
171
188
213
256
299
342
376
V
BR
@
I
R(1)
min.
V
7.14
7.88
10.5
12.6
15.8
18.9
23.1
25.2
28.4
31.5
34.7
37.8
41.0
49.4
58.8
65.1
71.4
86.1
105
126
158
189
210
231
263
315
368
420
462
mA
10
10
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
V
CL
@ I
PP
10/1000 µs
max.
V
10.5
11.3
14.5
16.7
21.2
25.2
30.6
33.2
37.5
41.5
45.7
49.9
53.9
64.8
77
85
92
113
137
165
207
246
274
328
344
414
482
548
603
A
143
132
100
90
71
59.5
49
45
40
36
33
30
28
23.2
19.5
17.7
16.3
13.3
11
9.1
7.2
6.1
5.5
4.6
5.0
5.0
4.0
4.0
3.5
V
CL
@ I
PP
8/20 µs
max.
V
13.4
14.5
18.6
21.7
27.2
32.5
39.3
42.8
48.3
53.5
59.0
64.3
69.7
84
100
111
121
146
178
212
265
317
353
388
442
529
618
706
776
A
746
690
538
461
368
308
254
234
207
187
169
156
143
119
100
90
83
69
56
47
38
31.5
28
26
23
19
16
14
13
Characteristics
αT
(2)
max.
10-4/ °C
5.7
6.1
7.3
7.8
8.4
8.8
9.2
9.4
9.6
9.7
9.8
9.9
10.0
10.1
10.3
10.4
10.4
10.5
10.6
10.7
10.8
10.8
10.8
10.8
11
11
11
11
11
C
(3)
typ.
pF
9500
8500
7000
6000
5000
4300
3700
3500
3200
2900
2700
2500
2400
2050
1800
1700
1550
1350
1150
1000
850
725
675
625
560
500
430
390
360
max. nom.
V
6.45
7.13
9.5
11.4
14.3
17.1
20.9
22.8
25.7
28.5
31.4
34.2
37.1
44.7
53.2
58.9
64.6
77.9
95.0
114
143
171
190
209
237
285
332
380
418
V
6.8
7.5
10
12
15
18
22
24
27
30
33
36
39
47
56
62
68
82
100
120
150
180
200
220
250
300
350
400
440
1. Pulse test: t
p
< 50 ms (see
Figure 2)
2.
ΔV
BR
=
αT ×
(T
amb
- 25)
×
V
BR
(25 °C)
3. V
R
= 0 V, F = 1 MHz. For bidirectional types, capacitance value is divided by 2.
Doc ID 2913 Rev 4
3/10
Characteristics
Figure 2.
Pulse definition for electrical characteristics
% Ipp
100
50
0
Repetitive pulse current
tr = rise time (µs)
tp = pulse duration time (µs)
1.5KE
tr
tp
Figure 3.
Peak pulse power dissipation
versus initial junction temperature
(printed circuit board)
Figure 4.
Peak pulse power versus
exponential pulse duration
100%
80%
Peak power
(on printed circuit)
60%
40%
20%
Tj initial
0%
0
20
40
60
80
100 120 140
160
180 200
Figure 5.
Clamping voltage versus peak
pulse current
Figure 6.
Capacitance versus reverse applied
voltage for unidirectional types
(typical values)
1. 5K E
1.5KE
1000
vcl (v)
1.5KE440A
100
% Ipp
Tj initial = 25°C
C (pF)
10000
1.5KE220A
7V 5
15
68
1 00
50
0
Tj = 25 °C
F = 1 MHz
1.5KE100A
tr
tp
tr <10µs
100
1.5KE56A
1. 5K E
1000
1. 5 K E
1.5KE22A
1.5KE12A
10
100
1.5KE6V8A
tp = 20 µs
tp = 1 ms
tp = 10 ms
1
0.1
1
10
100
Ipp (A)
1000
10
1
10
100
500
The curves of
Figure 5
are specified for a junction temperature of 25 °C before surge. The
given results may be extrapolated for other junction temperatures by using the following
formula:
ΔV
BR
=
αT ×
(Tamb - 25)
×
V
BR
(25 °C).
For intermediate voltages, extrapolate the given results.
4/10
Doc ID 2913 Rev 4
1.5KE
Characteristics
Figure 7.
Capacitance versus reverse applied Figure 8.
voltage for bidirectional types
(typical values)
Peak forward voltage drop versus
peak forward current (typical values
for unidirectional types)
10000
IFM (A)
500
Multiply by 2 for units with V
BR
> 220 V
F
100
1000
100
10
VFM (V)
10
1
10
100
500
1
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
Figure 9.
Transient thermal impedance
junction-ambient versus pulse
duration
Figure 10. Relative variation of leakage
current versus junction
temperature
100
Zth (j-a) (°C/W)
Epoxy printed circuit board, FR4
copper thickness = 35 µm
10
1
tp (s)
0.1
0.01
0.1
1
10
100
1000
Doc ID 2913 Rev 4
5/10
