1.5KE6.8 - 1.5KE440CA series
1500 WATT AXIAL TRANSIENT VOLTAGE SUPPRESSORS
Protect sensitive electronics against voltage transients induced by inductive load
switching and lightning. Ideal for the protection of I/O interfaces, Vcc bus, and other
integrated circuits used in telecom, computer, datacom and industrial electronics.
0.966 - 1.066
FEATURES
q
Breakdown voltage range 6.8 to 440 Volts
q
Uni-directional and Bi-directional
q
Glass passivated junction
q
Low clamping factor
q
100% surge tested
q
UL recognised
Min 25.4
4.826
5.207
MAXIMUM RATING
q
Peak Pulse Power (Ppk): 1500 Watts (10 x 1000µs)@25°C
(see diagram on page 6 for wave form)
q
5 watt steady state
q
Response time: 1 x 10
-12
seconds (theoretical)
q
Forward surge rating: 200 Amps, 8.3ms half sine wave,
(uni-directional devices only)
q
Operating & storage temperature: -55°C to +150°C
9.155
9.527
Min 25.4
MECHANICAL CHARACTERISTICS
q
Case: DO-201AD: Moulded plastic over glass passivated junction
q
Terminals: Axial leads, solderable per MIL-STD-202 Method 208
q
Solderable leads = 230°C for 10 seconds (1.59mm from case)
q
Marking: cathode band, (positive terminal, uni-directional devices only),
device code, logo
q
Weight: 1.5 grammes (approx)
All di
i
i
All dimensions in mm
ORDERING INFORMATION
1.5KE
C A
Voltage
Bi-Directional
5% Voltage Tolerance
Packaging Option
B = Bulk (500 pcs)
T = Tape and reeled (1500 pcs)
22
1
w w w. l i t t e l f u s e . c o m
1.5KE6.8 - 1.5KE440CA series
Figure 1 - Peak Power Derating Curve
Peak pulse power in percent of 25ºC rating
Figure 2 - Continuous D.C. Power Derating Curve
Continuous d.c. power dissipation
100%
W
1.0
0.75
50%
Permissable
area of
operation
0.50
Permissable
area of
operation
0.25
0
0°C
50°C
100°C
150°C
200°C
Tamb
°C
Percentage peak pulse power plotted against ambient temperature
0
0°C
50°C
100°C
150°C
200°C
Tamb
°C
Continuous d.c. Power dissipation plotted against junction temperature
Figure 3 - Capacitance vs. Stand-off Voltage
10000
q
STAND-OFF VOLTAGE
Figure 4 - Peak Pulse Power vs. Pulse Time
Peak Pulse Power - Pp (kW)
100
Exponential wave-form
10
Square wave-pulse
1
1000
Uni-directional
Cj (pf)
100
Bi-directional
10
1
10
100
1000
Device Stand-off Voltage - Volts
0.1
100ns
1µs
10µs
Pulse Time (tp)
100µs
1ms
10ms
w w w. l i t t e l f u s e . c o m
23
1.5KE6.8 - 1.5KE440CA series
ELECTRICAL SPECIFICATION @ Tamb 25°C
Part
Number
(Uni)
Part
Number
(Bi)
Reverse
Stand off
Voltage
V
R
(Volts)
5.50
5.80
6.05
6.40
6.63
7.02
7.37
7.78
8.10
8.55
8.92
9.40
9.72
10.20
10.50
11.10
12.10
12.80
12.90
13.60
14.50
15.30
16.20
17.10
17.80
18.80
19.40
20.50
21.80
23.10
24.30
25.60
26.80
28.20
29.10
30.80
31.60
33.30
34.80
36.80
38.10
40.20
41.30
43.60
Breakdown
Voltage
V
BR
(Volts) @
I
T
MIN
6.12
6.45
6.75
7.13
7.38
7.79
8.19
8.60
9.00
9.50
9.90
10.50
10.80
11.40
11.70
12.40
13.50
14.30
14.40
15.20
16.20
17.10
18.00
19.00
19.80
20.90
21.60
22.80
24.30
25.70
27.00
28.50
29.70
31.40
32.40
34.20
35.10
37.10
38.70
40.90
42.30
44.70
45.90
48.50
MAX
7.48
7.14
8.25
7.88
9.02
8.61
10.00
9.55
11.00
10.50
12.10
11.60
13.20
12.60
14.30
13.70
16.50
15.80
17.60
16.80
19.80
18.90
22.00
21.00
24.20
23.10
26.40
25.20
29.70
28.40
33.00
31.50
36.30
34.70
39.60
37.80
42.90
41.00
47.30
45.20
51.70
49.40
56.10
53.60
mA
10.0
10.0
10.0
10.0
10.0
10.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Maximum
Reverse
Leakage
I
R
@ V
R
(µA)
1000.0
1000.0
500.0
500.0
200.0
200.0
50.0
50.0
10.0
10.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
Maximum
Clamping
Voltage
V
C
@
I
PP
(Volts)
10.8
10.5
11.7
11.3
12.5
12.1
13.8
13.4
15.0
14.5
16.2
15.6
17.3
16.7
19.0
18.2
22.0
21.2
23.5
22.5
26.5
25.2
29.1
27.7
31.9
30.6
34.7
33.2
39.1
37.5
43.5
41.4
47.7
45.7
52.0
49.9
56.4
53.9
61.9
59.3
67.8
64.8
73.5
70.1
Maximum
Peak Pulse
Current
I
PP
(A)
139.0
143.0
128.0
132.0
120.0
124.0
109.0
112.0
100.0
103.0
93.0
96.0
87.0
90.0
79.0
82.0
68.0
71.0
64.0
67.0
56.5
59.5
51.5
54.0
47.0
49.0
43.0
45.0
38.5
40.0
34.5
36.0
31.5
33.0
29.0
30.0
26.5
28.0
24.0
25.3
22.2
23.2
20.4
21.4
Max
Voltage
Temperature
Variation
of V
BR
(%/°C)
0.057
0.057
0.061
0.061
0.065
0.065
0.068
0.068
0.073
0.073
0.075
0.075
0.078
0.078
0.081
0.081
0.084
0.084
0.086
0.086
0.088
0.088
0.090
0.090
0.092
0.092
0.094
0.094
0.096
0.096
0.097
0.097
0.098
0.098
0.099
0.099
0.100
0.100
0.101
0.101
0.101
0.101
0.102
0.102
1.5KE6.8*
1.5KE6.8A*
1.5KE7.5
1.5KE7.5A
1.5KE8.2
1.5KE8.2A
1.5KE9.1
1.5KE9.1A
1.5KE10
1.5KE10A
1.5KE11
1.5KE11A
1.5KE12
1.5KE12A
1.5KE13
1.5KE13A
1.5KE15
1.5KE15A
1.5KE16
1.5KE16A
1.5KE18*
1.5KE18A*
1.5KE20*
1.5KE20A*
1.5KE22
1.5KE22A
1.5KE24*
1.5KE24A*
1.5KE27*
1.5KE27A*
1.5KE30
1.5KE30A
1.5KE33*
1.5KE33A*
1.5KE36
1.5KE36A
1.5KE39*
1.5KE39A*
1.5KE43
1.5KE43A
1.5KE47
1.5KE47A
1.5KE51*
1.5KE51A
1.5KE6.8C*
1.5KE6.8CA*
1.5KE7.5C
1.5KE7.5CA
1.5KE8.2C
1.5KE8.2CA
1.5KE9.1C
1.5KE9.1CA
1.5KE10C
1.5KE10CA
1.5KE11C
1.5KE11CA
1.5KE12C
1.5KE12CA
1.5KE13C
1.5KE13CA
1.5KE15C*
1.5KE15CA*
1.5KE16C
1.5KE16CA
1.5KE18C*
1.5KE18CA*
1.5KE20C
1.5KE20CA
1.5KE22C
1.5KE22CA
1.5KE24C*
1.5KE24CA*
1.5KE27C*
1.5KE27CA*
1.5KE30C
1.5KE30CA
1.5KE33C
1.5KE33CA
1.5KE36C
1.5KE36CA
1.5KE39C
1.5KE39CA
1.5KE43C
1.5KE43CA
1.5KE47C
1.5KE47CA
1.5KE51C
1.5KE51CA
Suffix ‘C’ denotes Bi-directional device. Suffix ‘A’ denotes 5% tolerance device, no suffix denotes a 10% tolerance device.
1.
For Bi-directional devices having V
R
of 10 volts and below, the I
R
limit is doubled.
2.
V
F
= 3.5 Volts max. for devices of V
R
<100v, and V
F
= 5.0 Volts max for devices of V
R
>100V. I
F
=
100A, 300 µS square wave.
* Preferred voltages.
w w w. l i t t e l f u s e . c o m
19
1.5KE6.8 - 1.5KE440CA series
ELECTRICAL SPECIFICATION @ Tamb 25°C
Part
Number
(Uni)
Part
Number
(Bi)
Reverse
Stand off
Voltage
V
R
(Volts)
45.4
47.8
50.2
53.0
55.1
58.1
60.7
64.1
66.4
70.1
73.7
77.8
81.0
85.5
89.2
94.0
97.2
102.0
105.0
111.0
121.0
128.0
130.0
136.0
138.0
145.0
146.0
154.0
162.0
171.0
175.0
185.0
202.0
214.0
243.0
256.0
284.0
300.0
324.0
342.0
356.0
376.0
Breakdown
Voltage
V
BR
(Volts) @
I
T
MIN
50.40
53.20
55.80
58.90
61.20
64.60
67.50
71.30
73.80
77.90
81.90
86.50
90.00
95.00
99.00
105.00
108.00
114.00
117.00
124.00
135.00
143.00
144.00
152.00
153.00
162.00
162.00
171.00
180.00
190.00
198.00
209.00
225.00
237.00
270.00
285.00
315.00
332.00
360.00
380.00
396.00
418.00
MAX
61.60
58.80
68.20
65.10
74.80
71.40
82.50
78.80
90.20
86.10
100.00
95.50
110.00
105.00
121.00
116.00
132.00
126.00
143.00
137.00
165.00
158.00
176.00
168.00
187.00
179.00
198.00
189.00
220.00
210.00
242.00
231.00
275.00
263.00
330.00
315.00
385.00
368.00
440.00
420.00
484.00
462.00
(mA)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Maximum
Reverse
Leakage
I
R
@ V
R
(µA)
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
Maximum
Clamping
Voltage
V
C
@
I
PP
(Volts)
80.5
77.0
89.0
85.0
98.0
92.0
108.0
103.0
118.0
113.0
131.0
125.0
144.0
137.0
158.0
152.0
173.0
165.0
187.0
179.0
215.0
207.0
230.0
219.0
244.0
234.0
258.0
246.0
287.0
274.0
344.0
328.0
360.0
344.0
430.0
414.0
504.0
482.0
574.0
548.0
631.0
602.0
Maximum
Peak Pulse
Current
I
PP
(A)
18.6
19.5
16.9
17.7
15.3
16.3
13.9
14.6
12.7
13.3
11.4
12.0
10.4
11.0
9.5
9.9
8.7
9.1
8.0
8.4
7.0
7.2
6.5
6.8
6.2
6.4
5.8
6.1
5.2
5.5
4.3
4.6
5.0
4.4
3.5
3.6
3.0
3.1
2.6
2.8
2.4
2.5
Max
Voltage
Temperature
Variation
of V
BR
(%/°C)
0.103
0.103
0.104
0.104
0.104
0.104
0.105
0.105
0.105
0.105
0.106
0.106
0.106
0.106
0.107
0.107
0.107
0.107
0.107
0.107
0.108
0.108
0.108
0.108
0.108
0.108
0.108
0.108
0.108
0.108
0.108
0.108
0.110
0.110
0.110
0.110
0.110
0.110
0.110
0.110
0.110
0.110
1.5KE56
1.5KE56A
1.5KE62
1.5KE62A
1.5KE68
1.5KE68A
1.5KE75
1.5KE75A
1.5KE82
1.5KE82A
1.5KE91
1.5KE91A
1.5KE100
1.5KE100A
1.5KE110
1.5KE110A
1.5KE120*
1.5KE120A*
1.5KE130
1.5KE130A
1.5KE150
1.5KE150A
1.5KE160
1.5KE160A
1.5KE170
1.5KE170A
1.5KE180
1.5KE180A
1.5KE200*
1.5KE200A*
1.5KE220
1.5KE220A
1.5KE250
1.5KE250A
1.5KE300
1.5KE300A
1.5KE350*
1.5KE350A*
1.5KE400
1.5KE400A
1.5KE440
1.5KE440A
1.5KE56C
1.5KE56CA
1.5KE62C
1.5KE62CA
1.5KE68C
1.5KE68CA
1.5KE75C*
1.5KE75CA*
1.5KE82C
1.5KE82CA
1.5KE91C
1.5KE91CA
1.5KE100C
1.5KE100CA
1.5KE110C
1.5KE110CA
1.5KE120C*
1.5KE120CA*
1.5KE130C
1.5KE130CA
1.5KE150C
1.5KE150CA
1.5KE160CC
1.5KE160CA
1.5KE170C
1.5KE170CA
1.5KE180C
1.5KE180CA
1.5KE200C*
1.5KE200CA*
1.5KE220C
1.5KE220CA
1.5KE250C
1.5KE250CA
1.5KE300C*
1.5KE300CA*
1.5KE350C
1.5KE350CA
1.5KE400C*
1.5KE400CA*
1.5KE440C
1.5KE440CA
Suffix ‘C’ denotes Bi-directional device. Suffix ‘A’ denotes 5% tolerance device, no suffix denotes a 10% tolerance device.
1.
For Bi-directional devices having V
R
of 10 volts and below, the I
R
limit is doubled.
2.
V
F
= 3.5 Volts max. for devices of V
R
<100v, and V
F
= 5.0 Volts max for devices of V
R
>100V. I
F
=
100A, 300 µS square wave.
* Preferred voltages.
20
1
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