Page 1
Transient Voltage Suppression Diodes
Axial Leaded – 1500W > 1.5KE series
1.5KE Series
Uni-directional
Bi-directional
Agency Approvals
AGENCY AGENCY FILE NUMBER
E128662/E230531
Maximum Ratings and Thermal Characteristics
(T
=25°C unless otherwise noted)
A
Parameter Symbol Value Unit
Peak Pulse Power Dissipation by
10/1000μs Test Waveform (Fig.2)
(Note 1)
Steady State Power Dissipation on
Inifinite Heat Sink at T
Peak For ward 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
Notes:
1. Non-repetitive current pulse , per Fig. 4 and derated above T
2. Measured on 8.3ms single half sine wave or equivalent square wave, duty cycle=4 per
minute maximum.
<3.5V for devices of V
3. V
F
=75ºC (Fig. 6)
L
_< 200V and VF<5.0V for devices of VBR _> 201V.
BR
P
PPM
P
D
I
FSM
V
F
, T
T
J
STG
R
uJL
R
uJA
150 0 W
6.5 W
200 A
3.5/5.0 V
-55 to 150 °C
15 °C/W
75 °C/W
= 25°C per Fig. 3.
A
RoHS
Description
The 1.5KE Series is designed specifically to protect
sensitive electronic equipment from voltage transients
induced by lightning and other transient voltage events.
Features
VBR @TJ= VBR@25°C × (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
• Typical failure mode is
short from over-specified
voltage or current
• Whisker test is conducted
based on JEDEC
JESD201A per its table 4a
and 4c
• IEC-61000-4-2 ESD
• 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
• Typical I
less than 1μA
R
above 13V
• 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
15kV(Air), 8kV (Contact)
Applications
TVS devices are ideal for the protection of I/O interfaces,
V
bus and other vulnerable circuits used in telecom,
CC
computer, industrial and consumer electronic applications.
Functional Diagram
Bi-directional
Cathode
Uni-directional
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/24/14
Anode
Additional Information
Datasheet
Resources
Samples
Page 2
Transient Voltage Suppression Diodes
Axial Leaded – 1500W > 1.5KE series
Electrical Characteristics (T
Part
Number
(Uni)
1.5KE6.8A 1.5KE6.8CA 5.80 6.45 7. 14 10 10.5 144.8 1000 X
1.5KE7.5A 1.5KE7.5CA 6.40 7. 13 7.88 10 11. 3 134.5 500 X
1.5KE8.2A 1.5KE8.2CA 7.02 7.79 8.61 10 12.1 125.6 200 X
1.5KE9.1A 1.5KE9.1CA 7.78 8.65 9.50 1 13.4 113.4 50 X
1.5KE10A 1.5KE10CA 8.55 9.50 10.50 1 14.5 104.8 10 X
1.5KE11A 1.5KE11CA 9.40 10.50 11.60 1 15.6 97.4 5 X
1.5KE12A 1.5KE12CA 10.20 11.40 12.60 1 16.7 91.0 5 X
1.5KE13A 1.5KE13CA 11.10 12.40 13.70 1 18.2 83.5 1 X
1.5KE15A 1.5KE15CA 12.80 14.30 15.80 1 21.2 71.7 1 X
1.5KE16A 1.5KE16CA 13.60 15.20 16.80 1 22.5 67.6 1 X
1.5KE18A 1.5KE18CA 15.30 1 7. 10 18.90 1 25.2 60.3 1 X
1.5KE20A 1.5KE20CA 17. 1 0 19.00 21.00 1 27.7 54.9 1 X
1.5KE22A 1.5KE22CA 18.80 20.90 23.10 1 30.6 49.7 1 X
1.5KE24A 1.5KE24CA 20.50 22.80 25.20 1 33.2 45.8 1 X
1.5KE27A 1.5KE27CA 23.10 25.70 28.40 1 37.5 40.5 1 X
1.5KE30A 1.5KE30CA 25.60 28.50 31.50 1 41.4 36.7 1 X
1.5KE33A 1.5KE33CA 28.20 31.40 34.70 1 45.7 33.3 1 X
1.5KE36A 1.5KE36CA 30.80 34.20 37.80 1 49.9 30.5 1 X
1.5KE39A 1.5KE39CA 33.30 37.10 41.00 1 53.9 28.2 1 X
1.5KE43A 1.5KE43CA 36.80 40.90 45.20 1 59.3 25.6 1 X
1.5KE47A 1.5KE47CA 40.20 44.70 49.40 1 64.8 23.5 1 X
1.5KE51A 1.5KE51CA 43.60 48.50 53.60 1 70.1 21.7 1 X
1.5KE56A 1.5KE56CA 47.80 53.20 58.80 1 77.0 19.7 1 X
1.5KE62A 1.5KE62CA 53.00 58.90 65.10 1 85.0 1 7. 9 1 X
1.5KE68A 1.5KE68CA 58.10 64.60 71.40 1 92.0 16.5 1 X
1.5KE75A 1.5KE75CA 64.10 71.30 78.80 1 103.0 14.8 1 X
1.5KE82A 1.5KE82CA 70.10 77.90 86.10 1 113.0 13.5 1 X
1.5KE91A 1.5KE91CA 77.80 86.50 95.50 1 125.0 12.2 1 X
1.5KE100A 1.5KE100CA 85.50 95.00 105.00 1 137.0 11. 1 1 X
1.5KE110A 1.5KE110CA 94.00 105.00 116.00 1 152.0 10.0 1 X
1.5KE120A 1.5KE120CA 102.00 114.00 126.00 1 165.0 9.2 1 X
1.5KE130A 1.5KE130CA 111. 00 124.00 137.00 1 179.0 8.5 1 X
1.5KE150A 1.5KE150CA 128.00 143.00 158.00 1 207.0 7. 3 1 X
1.5KE160A 1.5KE160CA 136.00 152.00 168.00 1 219.0 6.9 1 X
1.5KE170A 1.5KE170CA 145.00 162.00 179.00 1 234.0 6.5 1 X
1.5KE180A 1.5KE180CA 154.00 171.00 189.00 1 246.0 6.2 1 X
1.5KE200A 1.5KE200CA 171.00 190.00 210.00 1 274.0 5.5 1 X
1.5KE220A 1.5KE220CA 185.00 209.00 231.00 1 328.0 4.6 1 X
1.5KE250A 1.5KE250CA 214.00 237.00 263.00 1 344.0 4.4 1 X
1.5KE300A 1.5KE300CA 256.00 285.00 315.00 1 414.0 3.7
1.5KE320A 1.5KE320CA 273.00 304.00 336.00 1 441.0 3.5 1 X
1.5KE350A 1.5KE350CA 300.00 332.00 368.00 1 482.0 3.2 1 X
1.5KE400A 1.5KE400CA 342.00 380.00 420.00 1 548.0 2.8 1 X
1.5KE440A 1.5KE440CA 376.00 418.00 462.00 1 602.0 2.5 1 X
1.5KE480A 1.5KE480CA 408.00 456.00 504.00 1 658.0 2.3 1 X
1.5KE510A 1.5KE510CA 434.00 485.00 535.00 1 698.0 2.1 1 X
1.5KE530A 1.5KE530CA 477.00 503.50 556.50 1 725.0 2.1 1 X
1.5KE540A 1.5KE540CA 486.00 513.00 567.00 1 740.0 2.0 1 X
1.5KE550A 1.5KE550CA 495.00 522.50 577.50 1 760.0 2.0 1 X
1.5KE600A 1.5KE600CA 512.00 570.00 630.00 1 828.0 1. 8 1
F
For bidirectional type having VR of 10 volts and less, the IR limit is double.
For parts without A, the V
Part
Number
(Bi)
is +10% and VC is 5% higher than with A parts.
BR
=25°C unless otherwise noted)
A
Reverse
Stand off
Voltage V
(Volts)
Breakdown Voltage
VBR (Volts) @ I
R
MIN MAX
T
Current
IT (mA)
Test
Clamping
Voltage
VC @ Ipp
(Volts)
Maximum
Maximum
Peak Pulse
Current I
(A)
pp
Maximum
Reverse
Leakage IR @
VR (µA)
1 X
Agency
Approval
Specifications are subject to change without notice.
© 2014 Littelfuse, Inc.
Revised: 01/24/14
Page 3
Transient Voltage Suppression Diodes
Voltage Transients
Time
Voltage Across TVS
Current Through TVS
Voltage or Current
Axial Leaded – 1500W > 1.5KE series
I-V Curve Characteristics
Uni-directional
BR
V
Vc
VR
IR
VF
IT
V
Bi-directional
BR
V
Vc
VR
Ipp
P
Peak Pulse Power Dissipation -- Max power dissipation
PPM
V
Stand-off Voltage -- Maximum voltage that can be applied to the TVS without operation
R
V
Breakdown Voltage -- Maximum voltage that flows though the TVS at a specified test current (IT)
BR
V
Clamping Voltage -- Peak voltage measured across the suppressor at a specified Ippm (peak impulse current)
C
I
Reverse Leakage Current -- Current measured at V
R
V
Forward Voltage Drop for Uni-directional
F
Ratings and Characteristic Curves (T
Figure 1 - TVS Transients Clamping Waveform
R
=25°C unless otherwise noted)
A
Figure 2 - Peak Pulse Power Rating
Ipp
IT
IR
IR
IT
VR
BR
V
V
Vc
Ipp
P6KE Series
P6KE Series
1000
100
10
1
-Peak Pulse Power (kW)
PPM
P
0.1
0.000001 0. 000010.0001 0.001
td-Pulse Width (Sec.)
continues on next page.
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/24/14
Page 4
Transient Voltage Suppression Diodes
0
20
40
60
80
100
0255075 100 125 150 175
TA-Ambient temperature (ºC)
Peak Pulse Power (P
PP
) or Current (I
PP
)
Derating in Percentage %
Tj=25C
f=
Vs
Uni- directional V=0V
Bi-directional V=0V
Steady State Power Dissipation (W)
01
Number of Cycles at 60 Hz
Axial Leaded – 1500W > 1.5KE series
Ratings and Characteristic Curves (T
=25°C unless otherwise noted) (Continued)
A
Figure 3 - Pulse Derating Curve Figure 4 - Pulse Waveform
150
RSM
100
50
- Peak Pulse Current, % I
PPM
I
0
tr=10µsec
Peak Value
I
PPM
t
d
0
1.0 2.0 3.0 4.0
Half Value
I
I
PPM
( )
TJ=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of I
PPM
2
10/1000µsec. Waveform
as defined by R.E.A
t-Time (ms)
Figure 5 - Typical Junction Capacitance Figure 6 - Steady State Power Derating Curve
100000
10000
1000
Cj (pF)
Uni-directional @ V
100
R
Bi-directional @ V
R
10
1.0MHz
ig=50mVp-p
1
1.0 10. 0100.01000.0
V
- Reverse Breakdown Voltage (V)
BR
6.5
6
5.5
5
4.5
4
3.5
3
2.5
2
L = 0.375” (9.5mm)
Lead Lengths
1.5
1
0.5
0
0255075 100 125 150 175 200
TL - Lead Te mperature(ºC)
PPM
Figure 7 - Maximum Non-Repetitive Peak Forward
- Peak Forward Surge Current (A)
FSM
I
Surge Current Uni-Directional Only
200
180
160
140
120
100
80
60
40
20
0
11
00
Specifications are subject to change without notice.
© 2014 Littelfuse, Inc.
Revised: 01/24/14
Page 5
Transient Voltage Suppression Diodes
Cathode Band
Axial Leaded – 1500W > 1.5KE series
Soldering Parameters
Reflow Condition Lead–free assembly
Pre Heat
- Temperature Min (T
- Temperature Max (T
) 150°C
s(min)
) 200°C
s(max)
- Time (min to max) (ts) 60 – 180 secs
Average ramp up rate (Liquidus Temp
(T
) to peak
L
to TL - Ramp-up Rate 3°C/second max
T
S(max)
Reflow
- Temperature (TL) (Liquidus) 217°C
- Time (min to max) (ts) 60 – 150 seconds
Peak Temperature (TP) 260
Time within 5°C of actual peak
Temperature (t
)
p
3°C/second max
+0/-5
°C
20 – 40 seconds
Ramp-down Rate 6°C/second max
Time 25°C to peak Temperature (T
) 8 minutes Max.
P
Do not exceed 280°C
Physical Specifications
Weight 0.045oz., 1.2g
Case
JEDEC DO-201 molded plastic body over
passivated junction.
T
P
Ramp-up Critical Zone
T
L
T
s(max)
T
s(min)
Temperature (T)
25˚C
t
s
Preheat
t 25˚C to Peak
Time (t)
t
Flow/Wave Soldering (Solder Dipping)
Peak Temperature : 265OC
Dipping Time : 10 seconds
Soldering : 1 time
Environmental Specifications
High Temp. Storage JESD22-A103
HTRB JESD22-A108
p
T
T
to
L
t
L
P
Ramp-down
Polarity
Terminal
Dimensions
A
Color band denotes the cathode except
Bipolar.
Matte Tin axial leads, solderable per
JESD22-B102.
(for Uni-directional products only)
D
B
A
DO-201
Temperature Cycling JESD22-A104
H3TRB JESD22-A101
RSH JESD22-B106
Dimensions
Inches Millimeters
Min Max Min Max
A 1.000 - 25.40 -
C
B 0.285 0.375 7.20 9.50
C 0.038 0.042 0.96 1.07
D 0.190 0.210 4.80 5.30
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/24/14
Page 6
Transient Voltage Suppression Diodes
R
Axial Leaded – 1500W > 1.5KE series
Part Numbering System
1.5KE
xxx XX
X
OPTION CODE:
BLANK Reel Tape
-B Bulk Packaging
TYPE CODE:
A Uni-Directional (5%
CA Bi-Directional (5%
V
VOLTA GE CODE
BR
(Refer to the Electrical Characteristics table)
SERIES CODE
V
Voltage Tolerance)
BR
V
Voltage Tolerance)
BR
Part Marking System
Cathode Band
(for uni-directional
products only)
Littelfuse Logo
YYWW
F
1.5KEXXX
Trace Code Marking
YY:Year Code
WW: Week Code
Product Type
Packaging
Part Number Component Package Quantity Packaging Option Packaging Specification
1.5KExxxXX DO-201 1200 Tape & Reel EIA STD RS-296
1.5KExxxXX-B DO-201 500 BULK Littelfuse Spec.
Tape and Reel Specification
2.56
(65.0)
0.394+/-0.020
(10.0+/-0.5)
13.0
(330.2)
(76.2)
0.68
(17. 27)
2.75
(69.85)
ecess Depth Max. 0.75 (19.05)
3.0
Off Center
either side
0.028(0.7)
0.047
(1.2)
Dimensions are in
inches/mm
Direction of Feed
2.063+0.079/-0.039
(53.0+2.0/-1.0)
0.236
(6.0)
Specifications are subject to change without notice.
© 2014 Littelfuse, Inc.
Revised: 01/24/14
Loading...