Silicon Avalanche Diodes
1500 Watt Axial Leaded Transient Voltage Suppressors
RoHS
1.5KE Series
®
The 1.5KE Series is designed specifically to protect sensitive
electronics equipment from voltage transients induced by
lightning and other transient voltage events. These devices are
ideal for the protection of I/O interfaces, Vcc bus and other
vulnerable circuits used in telecom, computer, industrial and
consumer electronic applications.
FEATURES
•
RoHS
Compliant
•
6.8V to 550Volts
•
Uni-directional and Bi-directional
•
Glass passivated chip junction in DO-201 package
•
1500W surge capability at 10/1000µs wave form
•
Excellent clamping capability
•
Low zener impedance to BV min.
•
Typical IR less than 1µA above 10V, (9.5mm) lead length,
5lbs., (2.3kg) tension
MAXIMUM RATINGS AND CHARACTERISTICS @25˚C
AMBIENT TEMPERATURE (unless otherwise noted)
RATING
Peak Pulse Power Dissipation at
TA=25˚C, TP=1ms(Note 1)
Steady State Power Dissipation at
TL=75˚C, Lead lengths .375",
(9.5mm) (Note 2)
Superimposed on Rated Load,
(JEDEC Method) (Note 3)
Operating junction and Storage
Temperature Range
IFSM
200
Amps
°C
SYMBOL
PPPM
VALUE
Min
1500
UNIT
Watts
Agency Approvals:
Recognized under the Components
Program of Underwriters Laboratories.
Agency File Number:
E128662
PM(AV)
6.5
Watts
Tj, TSTG -55 to +175
Notes:
1. Non-repetitive current pulse, per Fig.3 and derated above TA=
25˚C per Fig.2
3. 8.3 ms single half sine-wave, or equivalent square wave, Duty
cycle= 4 pulses per minutes maximum.
ORDERING INFORMATION
1.5KE
C A
Mechanical Specifications:
Weight:
Case:
Mounting Position:
Polarity:
Terminal:
0.045 ounce, 1.2 grams
JEDEC DO-201 Molded plastic
Any
Color band denotes cathode
except Bipolar
Axial leads, solderable per MIL-STD-750,
Method 2026
Voltage
Bi-Directional
5% Voltage Tolerance
Packaging Option
B = Bulk (500 pcs)
T = Tape and reeled (1200 pcs)
294
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Silicon Avalanche Diodes
1500 Watt Axial Leaded Transient Voltage Suppressors
RoHS
1.5KE Series
Part
Numbers
Reverse
Stand off
Voltage
V
R
(Volts)
5.80
6.40
7.02
7.78
8.55
9.40
10.20
11.10
12.80
13.60
15.30
17.10
18.80
20.50
23.10
25.60
28.20
30.80
33.30
36.80
40.20
43.60
47.80
53.00
58.10
64.10
70.10
77.80
85.50
94.00
102.00
111.00
128.00
136.00
145.00
154.00
171.00
185.00
214.00
256.00
300.00
342.00
376.00
408.00
434.00
450.00
459.00
467.00
Breakdown
Voltage
V
BR
(Volts) @
I
T
MIN
6.45
7.13
7.79
8.65
9.50
10.50
11.40
12.40
14.30
15.20
17.10
19.00
20.90
22.80
25.70
28.50
31.40
34.20
37.10
40.90
44.70
48.50
53.20
58.90
64.60
71.30
77.90
86.50
95.00
105.00
114.00
124.00
143.00
152.00
162.00
171.00
190.00
209.00
237.00
285.00
332.00
380.00
418.00
456.00
485.00
503.50
513.00
522.50
MAX
7.14
7.88
8.61
9.50
10.50
11.60
12.60
13.70
15.80
16.80
18.90
21.00
23.10
25.20
28.40
31.50
34.70
37.80
41.00
45.20
49.40
53.60
58.80
65.10
71.40
78.80
86.10
95.50
105.00
116.00
126.00
137.00
158.00
168.00
179.00
189.00
210.00
231.00
263.00
315.00
368.00
420.00
462.00
504.00
535.00
556.50
567.00
577.50
10
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
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Test
Current
I
T
(mA)
Maximum
Clamping
Voltage
V
C
@
I
PP
(Volts)
10.5
11.3
12.1
13.4
14.5
15.6
16.7
18.2
21.2
22.5
25.2
27.7
30.6
33.2
37.5
41.4
45.7
49.9
53.9
59.3
64.8
70.1
77.0
85.0
92.0
103.0
113.0
125.0
137.0
152.0
165.0
179.0
207.0
219.0
234.0
246.0
274.0
328.0
344.0
414.0
482.0
548.0
602.0
658.0
698.0
725.0
740.0
760.0
Maximum
Peak Pulse
Current
I
PP
(A)
144.8
134.5
125.6
113.4
104.8
97.4
91.0
83.5
71.7
67.6
60.3
54.9
49.7
45.8
40.5
36.7
33.3
30.5
28.2
25.6
23.5
21.7
19.7
17.9
16.5
14.8
13.5
12.2
11.1
10.0
9.2
8.5
7.3
6.9
6.5
6.2
5.5
4.6
4.4
3.7
3.2
2.8
2.5
2.3
2.1
2.1
2.0
2.0
Maximum
Reverse
Leakage
I
R
@ V
R
(µA)
1000
500
200
50
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
5
5
5
5
5
5
5
5
5
5
®
ELECTRICAL SPECIFICATION @ Tamb 25°C
Uni-Polar
1.5KE6.8A
1.5KE7.5A
1.5KE8.2A
1.5KE9.1A
1.5KE10A
1.5KE11A
1.5KE12A
1.5KE13A
1.5KE15A
1.5KE16A
1.5KE18A
1.5KE20A
1.5KE22A
1.5KE24A
1.5KE27A
1.5KE30A
1.5KE33A
1.5KE36A
1.5KE39A
1.5KE43A
1.5KE47A
1.5KE51A
1.5KE56A
1.5KE62A
1.5KE68A
1.5KE75A
1.5KE82A
1.5KE91A
1.5KE100A
1.5KE110A
1.5KE120A
1.5KE130A
1.5KE150A
1.5KE160A
1.5KE170A
1.5KE180A
1.5KE200A
1.5KE220A
1.5KE250A
1.5KE300A
1.5KE350A
1.5KE400A
1.5KE440A
1.5KE480A
1.5KE510A
1.5KE530A
1.5KE540A
1.5KE550A
Bi-Polar
1.5KE6.8CA
1.5KE7.5CA
1.5KE8.2CA
1.5KE9.1CA
1.5KE10CA
1.5KE11CA
1.5KE12CA
1.5KE13CA
1.5KE15CA
1.5KE16CA
1.5KE18CA
1.5KE20CA
1.5KE22CA
1.5KE24CA
1.5KE27CA
1.5KE30CA
1.5KE33CA
1.5KE36CA
1.5KE39CA
1.5KE43CA
1.5KE47CA
1.5KE51CA
1.5KE56CA
1.5KE62CA
1.5KE68CA
1.5KE75CA
1.5KE82CA
1.5KE91CA
1.5KE100CA
1.5KE110CA
1.5KE120CA
1.5KE130CA
1.5KE150CA
1.5KE160CA
1.5KE170CA
1.5KE180CA
1.5KE200CA
1.5KE220CA
1.5KE250CA
1.5KE300CA
1.5KE350CA
1.5KE400CA
1.5KE440CA
1.5KE480CA
1.5KE510CA
1.5KE530CA
1.5KE540CA
1.5KE550CA
6
SILICON DIODE
ARRAYS
295
For bidirectional type having Vrwm of 10 volts and less, the IR limit is double.
For parts without A , the VBR is + 10%
w w w. l i t t e l f u s e . c o m
Silicon Avalanche Diodes
1500 Watt Axial Leaded Transient Voltage Suppressors
RoHS
1.5KE Series
Peak Pulse Power (PPP) or Current (IPP)
Derating in Percentage, %
®
Ratings and Characteristic Curves TA=25˚C unless otherwise noted
100
PPPM- Peak Pulse Power (kW)
100
75
10
50
1
25
0.1
0.1s
1.0s
10s
0
100s
1.0ms
10ms
0
25
50
75
100 125 150 175 200
td- Pulse Width (sec.)
TA- Ambient Temperature (˚C)
Fig. 1 Peak Pulse Power Rating Curve
150
IPPM- 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
Fig. 2 Pulse Derating Curve
10000
Unidirectional
Bidirectional
100
Half Value IPPM
2
CJ-Capacitance(pF)
1000
VR=0
50
10/1000µsec. Waveform
as defined by R.E.A
100
VR=Rated
Stand-off Voltage
f=1MHz
Vsig=50mVp-p
TJ=25˚C
0
0
td
10
1.0
2.0
t-Time (ms)
3.0
4.0
5
10
100
500
VWM-Reverse Stand-Off Voltage (V)
Fig. 3 Pulse Waveform
Fig. 4- Typical Junction Capacitance
IFSM-Peak Forward Surge Current (A)
8.0
Steady State Power Dissipation (W)
200
7.0
6.0
5.0
4.0
3.0
2.0
1.0
00
1.6x1.6x.040"
(40x40x1mm)
Copper Heat Sinks
L=0.375(9.5mm)
Lead Lengths
60Hz
Resistive or
Inductive Load
8.3 Single Half Sine Wave
(JEDEC Method) TJ=TJmax
100
10
75
100 125 150 175 200
1
10
Number of Cylces at 60HZ
25
50
100
TL- Lead Temperature (˚C)
Fig. 5 Steady State Power
Derating Curve
296
Fig. 6- Maximum Non-Repetitive Forward
Surge Current Uni-Directional Only
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