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1.5KE Series
TVS Diodes
Axial Leaded – 1500W > 1.5KE series
RoHS
Pb e3
Uni-directional
Description
The 1.5KE Series is designed specifically to protect
sensitive electronic equipment from voltage transients
induced by lightning and other transient voltage events.
Bi-directional
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E128662/E230531
Maximum Ratings and Thermal Characteristics
(TA=25OC unless otherwise noted)
Parameter
Peak Pulse Power Dissipation by
10/1000μs Test Waveform (Fig.2)
(Note 1)
Steady State Power Dissipation on
Inifinite Heat Sink at TL=75ºC (Fig. 6)
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave Unidirectional
Only (Note 2)
Maximum Instantaneous Forward
Voltage at 100A for Unidirectional
Only (Note 3)
Operating Junction and Storage
Temperature Range
Typical Thermal Resistance Junction
to Lead
Typical Thermal Resistance Junction
to Ambient
Symbol
PPPM
PD
IFSM
VF
TJ, TSTG
RuJL
RuJA
Value
1500
6.5
200
3.5/5.0
-55 to 175
15
75
Unit
W
W
A
V
°C
°C/W
°C/W
Notes:
1. Non-repetitive current pulse , per Fig. 4 and derated above TA = 25OC per Fig. 3.
2. Measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 per
minute maximum.
3. VF<3.5V for devices of VBR <_ 200V and VF<5.0V for devices of VBR >_ 201V.
Functional Diagram
Features
VBR @TJ= VBR@25°C x (1+αT
x (TJ - 25))
(αT:Temperature Coefficient)
• Glass passivated chip
junction in DO-201
Package
• 1500W 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
• T ypical failure mode is
short from over-specified
voltage or current
• W hisker test is conducted
based on JEDEC
JESD201A per its table 4a
and 4c
• IEC-61000-4-2 ESD
15kV(Air), 8kV (Contact)
• ESD protection of data
lines in accordance with
IEC 61000-4-2 (IEC801-2)
• EFT protection of data
lines in accordance with
IEC 61000-4-4 (IEC801-4)
• Low incremental surge
resistance
aTybpoivceal1I3RVless than 1μA
• High temperature
soldering guaranteed:
260°C/40 seconds /
0.375”,(9.5mm) lead
length, 5 lbs., (2.3kg)
tension
• Plastic package has
underwriters laboratory
flammability classification
94V-O
• Matte tin lead–free plated
• Halogen free and RoHS
compliant
• 2nd level interconnect is
Pb-free per IPC/JEDEC
J-STD-609A.01
Applications
TVS devices are ideal for the protection of I/O interfaces,
cVoCCmbpuustearn, dinodtuhsetrriavlualnnedracbolnescuimrcueirtseluescetrdoninictealpepcloicmat,ions.
Cathode
1.5KE Series
Bi-directional
Uni-directional
Anode
118
©2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 10/09/14

No Preview Available !

TVS Diodes
Axial Leaded – 1500W > 1.5KE series
Electrical Characteristics (TA=25°C unless otherwise noted)
Part
Number
(Uni)
Part
Number
(Bi)
Reverse
Stand off
Vo(lVtaogltes)VR
Breakdown Voltage
(Volts) @ IT
VBR
MIN MAX
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
1.5KE320A
1.5KE350A
1.5KE400A
1.5KE440A
1.5KE480A
1.5KE510A
1.5KE530A
1.5KE540A
1.5KE550A
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
1.5KE320CA
1.5KE350CA
1.5KE400CA
1.5KE440CA
1.5KE480CA
1.5KE510CA
1.5KE530CA
1.5KE540CA
1.5KE550CA
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
273.00
300.00
342.00
376.00
408.00
434.00
451.00
460.00
468.00
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
304.00
332.00
380.00
418.00
456.00
485.00
503.50
513.00
522.50
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
336.00
368.00
420.00
462.00
504.00
535.00
556.50
567.00
577.50
1.5KE600A
1.5KE600CA
512.00
570.00
FFor bidirectional type having VR of 10 volts and less, the IR limit is double.
For parts without A, the VBR is +10% and VC is 5% higher than with A parts.
630.00
Test
Current
IT (mA)
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
1
1
Maximum
Clamping
Voltage
V(CVo@ltsI)pp
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
441.0
482.0
548.0
602.0
658.0
698.0
725.0
740.0
760.0
828.0
Maximum
Peak Pulse
Current
(A)
Ipp
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
3.5
3.2
2.8
2.5
2.3
2.1
2.1
2.0
2.0
1.8
Maximum
Reverse
LeaVkRag(µeAI)R @
1000
500
200
50
10
5
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
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Agency
Approval
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
X
X
X
X
X
X
X
X
X
X
X
X
1.5KE Series
119 ©2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 10/09/14

No Preview Available !

TVS Diodes
Axial Leaded – 1500W > 1.5KE series
I-V Curve Characteristics
Uni-directional
Bi-directional
Ipp
Vc VBR VR
IR VF
IT
V
Vc VBR VR
IT
IR
IR
IT
VR VBR Vc
V
Ipp
Ipp
PPPM Peak Pulse Power Dissipation -- Max power dissipation
VR Stand-off Voltage -- Maximum voltage that can be applied to the TVS without operation
VBR Breakdown Voltage -- Maximum voltage that flows though the TVS at a specified test current (IT)
VC Clamping Voltage -- Peak voltage measured across the suppressor at a specified Ippm (peak impulse current)
IR Reverse Leakage Current -- Current measured at VR
VF Forward Voltage Drop for Uni-directional
Ratings and Characteristic Curves (TA=25°C unless otherwise noted)
Figure 1 - TVS Transients Clamping Waveform
Figure 2 - Peak Pulse Power Rating
Voltage Transients
1000
Voltage Across TVS
Current Through TVS
100
10
1
Time
0.1
0.000001
0.00001
0.0001
td-Pulse Width (Sec.)
0.001
continues on next page.
1.5KE Series
120 ©2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 10/09/14

No Preview Available !

TVS Diodes
Axial Leaded – 1500W > 1.5KE series
Ratings and Characteristic Curves (TA=25°C unless otherwise noted) (Continued)
Figure 3 - Pulse Derating Curve
Figure 4 - Pulse Waveform
100
75
50
25
0
0 25 50 75 100 125 150 175 200
TA- Ambient Temperature (˚C)
150
100
50
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
( )Half Value
IPPM
IPPM
2
10/1000µsec. Waveform
as defined by R.E.A
0
0
td
1.0
2.0
t-Time (ms)
3.0
4.0
Figure 5 - Typical Junction Capacitance
100000
10000
1000 Uni-directional @ VR
Bi-directional V=0V
Uni-directional V=0V
100
Bi-directional @ VR
10 Tj=25C
f =1.0MHz
Vsig=50mVp-p
1
1.0
10.0
100.0
1000.0
VBR - Reverse Breakdown Voltage (V)
Figure 6 - Steady State Power Derating Curve
6.5
6
5.5
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
0
L = 0.375” (9.5mm)
Lead Lengths
25 50 75 100 125 150 175 200
TL - Lead Temperature(ºC)
Figure 7 - Maximum Non-Repetitive Peak Forward
Surge Current Uni-Directional Only
200
180
160
140
120
100
80
60
40
20
0
1
1.5KE Series
10
Number of Cycles at 60 Hz
100
121
©2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 10/09/14

No Preview Available !

TVS Diodes
Axial Leaded – 1500W > 1.5KE series
Soldering Parameters
Reflow Condition
- Temperature Min (Ts(min))
Pre Heat - Temperature Max (Ts(max))
- Time (min to max) (ts)
Average ramp up rate (Liquidus Temp (TL)
to peak
TS(max) to TL - Ramp-up Rate
Reflow
- Temperature (TL) (Liquidus)
- Time (min to max) (ts)
Peak Temperature (TP)
Time within 5°C of actual peak
Temperature (tp)
Ramp-down Rate
Time 25°C to peak Temperature (TP)
Do not exceed
Lead–free assembly
150°C
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.
280°C
TP
TL
Ts(max)
Ts(min)
25˚C
Ramp-up
tp
tL
Critical Zone
TL to TP
ts
Preheat
Ramp-down
t 25˚C to Peak
Time (t)
Flow/Wave Soldering (Solder Dipping)
Peak Temperature :
Dipping Time :
Soldering :
265OC
10 seconds
1 time
Physical Specifications
Weight
Case
Polarity
Terminal
0.045oz., 1.2g
JEDEC DO-201 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
D
A
Cathode Band
(for Uni-directional products only)
C
B
DO-201
A
Dimensions
A
B
C
D
Inches
Min Max
1.000
-
0.285
0.375
0.038
0.042
0.190
0.210
Millimeters
Min Max
25.40
-
7.20 9.50
0.96 1.07
4.80 5.30
1.5KE Series
122 ©2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 10/09/14