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1.5KE6V8A/440A
1.5KE6V8CA/440CA
TRANSIL
TM
FEATURES
s
s
s
s
s
s
PEAK PULSE POWER : 1500 W (10/1000µs)
BREAKDOWN VOLTAGE RANGE :
From 6.8V to 440 V
UNI AND BIDIRECTIONAL TYPES
LOW CLAMPING FACTOR
FAST RESPONSE TIME
UL RECOGNIZED
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.
ABSOLUTE MAXIMUM RATINGS
(T
amb
= 25°C)
Symbol
P
PP
P
I
FSM
T
stg
T
j
T
L
Parameter
Peak pulse power dissipation (see note 1)
Power dissipation on infinite heatsink
Non repetitive surge peak forward current
for unidirectional types
Storage temperature range
Maximum junction temperature
Maximum lead temperature for soldering during 10s at 5mm
from case
Tj initial = T
amb
T
amb
= 75°C
tp = 10ms
Tj initial = T
amb
Value
1500
5
200
- 65 to + 175
175
230
Unit
W
W
A
°C
°C
°C
DO-201
Note 1
: For a surge greater than the maximum values, the diode will fail in short-circuit.
THERMAL RESISTANCES
Symbol
R
th (j-l)
R
th (j-a)
Junction to leads
Junction to ambient on printed circuit. L
lead
= 10 mm
Parameter
Value
20
75
Unit
°C/W
°C/W
February 2002- Ed: 3A
1/6
1.5KExx
ELECTRICAL CHARACTERISTICS
(T
amb
= 25°C)
I
Symbol
V
RM
V
BR
V
CL
I
RM
I
PP
Parameter
Stand-off voltage
Breakdown voltage
Clamping voltage
Leakage current @ V
RM
Peak pulse current
Voltage temperature coefficient
Forward voltage drop
VCL
VBR
V RM
IF
VF
I RM
V
α
T
V
F
I PP
Types
I
RM
@ V
RM
max
µA
1000
500
10
5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
V
BR
@
I
R
min nom max
note2
V
CL
@ I
PP
V
CL
@ I
PP
max
max
10/1000µs
mA
10
10
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
V
A
8/20µs
V
A
αT
max
note3
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
C
typ
note4
pF
9500
8500
7000
6000
5000
4300
3700
3500
3200
2900
2700
2500
2400
2050
1800
1700
1550
1350
1150
1000
850
725
Unidirectional
1.5KE6V8A
1.5KE7V5A
1.5KE10A
1.5KE12A
1.5KE15A
1.5KE18A
1.5KE22A
1.5KE24A
1.5KE27A
1.5KE30A
1.5KE33A
1.5KE36A
1.5KE39A
1.5KE47A
1.5KE56A
1.5KE62A
1.5KE68A
1.5KE82A
1.5KE100A
1.5KE120A
1.5KE150A
1.5KE180A
Bidirectional
1.5KE6V8CA
1.5KE7V5CA
1.5KE10CA
1.5KE12CA
1.5KE15CA
1.5KE18CA
1.5KE22CA
1.5KE24CA
1.5KE27CA
1.5KE30CA
1.5KE33CA
1.5KE36CA
1.5KE39CA
1.5KE47CA
1.5KE56CA
1.5KE62CA
1.5KE68CA
1.5KE82CA
1.5KE100CA
1.5KE120CA
1.5KE150CA
1.5KE180CA
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
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
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
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
10.5 143 13.4 746
11.3 132 14.5 690
14.5 100 18.6 538
16.7
21.2
90
71
21.7 461
27.2 368
25.2 59.5 32.5 308
30.6
33.2
37.5
41.5
45.7
49.9
53.9
49
45
40
36
33
30
28
39.3 254
42.8 234
48.3 207
53.5 187
59.0 169
64.3 156
69.7 143
84
119
100
90
83
69
56
47
38
64.8 23.2
77
85
92
19.5 100
17.7 111
16.3 121
113 13.3 146
137
165
207
246
11
9.1
7.2
6.1
178
212
265
317 31.5
2/6
1.5KExx
Types
I
RM
@ V
RM
max
µA
1
1
1
1
1
1
1
V
BR
@
I
R
min nom max
note2
Unidirectional
1.5KE200A
1.5KE220A
1.5KE250A
1.5KE300A
1.5KE350A
1.5KE400A
1.5KE440A
Bidirectional
1.5KE200CA
1.5KE220CA
1.5KE250CA
1.5KE300CA
1.5KE350CA
1.5KE400CA
1.5KE440CA
V
171
188
213
256
299
342
376
V
190
209
237
285
332
380
418
V
200
220
250
300
350
400
440
V
210
231
263
315
368
420
462
mA
1
1
1
1
1
1
1
V
CL
@ I
PP
V
CL
@ I
PP
max
max
10/1000µs
V
274
328
344
414
482
548
603
A
5.5
4.6
5.0
5.0
4.0
4.0
3.5
8/20µs
V
353
388
442
529
618
706
776
A
28
26
23
19
16
14
13
αT
max
note3
10
-4
/ °C
10.8
10.8
11
11
11
11
11
C
typ
note4
pF
675
625
560
500
430
390
360
% I
PP
100
10 s
Fig. 1:
Peak pulse power dissipation versus
initial junction temperature (printed circuit
PULSE WAVEFORM 10/1000 s
50
0
1000 s
t
Note 2 :
Note 3 :
Note 4 :
Pulse test: tp < 50 ms.
∆V
BR =
αT
* (Tamb - 25) * VBR(25°C).
VR = 0 V, F = 1 MHz. For bidirectional types,
capacitance value is divided by 2.
3/6
1.5KExx
Fig. 2 :
Peak pulse power versus exponential pulse duration.
Fig. 3 :
Clamping voltage versus peak pulse current.
Exponential waveform: t
p
= 20
µs________
t
p
= 1 ms——————-
t
p
= 10 ms ...............
Note :
The curves of the figure 3 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 :
∆V
BR
=
αT*
(T
amb
-25) * V
BR
(25°C).
For intermediate voltages, extrapolate the given results.
4/6
1.5KExx
Fig. 4a :
Capacitance versus reverse applied
voltage for unidirectional types (typical values).
Fig. 4b :
Capacitance versus reverse applied
voltage for bidirectional types (typical values).
Fig. 5 :
Peak forward voltage drop versus peak
forward current (typical values for unidirectional
types).
Note :
Multiply by 2 for units with VBR > 220 V.
Fig. 6 :
Transient thermal impedance junc-
tion-ambient versus pulse duration (For FR4 PC
Board with L
lead
= 10mm).
Fig. 7 :
Relative variation of leakage current
versus junction temperature.
5/6

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