Transient Voltage Suppression Diodes
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/04/13
Axial Leaded – 1500W > LCE series
LCE Series
AGENCY AGENCY FILE NUMBER
E128662/E230531
The LCE Series is designed specifically to protect sensitive
electronic equipment from voltage transients induced by
lightning and other transient voltage events.
Description
TVS 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.
Applications
Features
Parameter Symbol Value Unit
Peak Pulse Power Dissipation by
10x1000μs Test Waveform (Fig.1)
(Note 1)
PPPM 1500 W
Steady State Power Dissipation on
Infinite Heat Sink at TL=75ºC (Fig. 5) PD6.5 W
Operating Junction and Storage
Temperature Range TJ, TSTG -55 to 175 °C
Note:
1. Non-repetitive current pulse , per Fig. 3 and derated above TA = 25°C per Fig. 2.
Maximum Ratings and Thermal Characteristics
(TA=25°C unless otherwise noted)
Agency Approvals
• Glass passivated chip
junction in DO-201
Package
• 1500W peak pulse power
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
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
• 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
• Ideal for data line
applications
• Halogen free and RoHS
compliant
RoHS
LCE Series
Uni-directional
Transient Voltage Suppression Diodes
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/04/13
Axial Leaded – 1500W > LCE series
Electrical Characteristics.(TA=25°C unless otherwise noted)
Part
Number
Reverse
Stand off
Voltage
VR (V)
Breakdown
Voltage VBR
(V)
Test
Current
IT
(mA)
Maximum
Reverse
Leakage
IR @ VR
(µA)
Maximum
Clamping
Voltage
at Ipp
VC (V)
Maximum
Peak
Pulse
Current
(Fig.3)
IPPM (A)
Maximum
Junction
Capacitance
@ 0 Volts
(pF)
Working
Inverse
Blocking
Voltage
VWIB (V)
Inverse
Blocking
Leakage
Current at
IIB @ VWIB
(mA)
Peak
Inverse
Blocking
Voltage
VPIB (V)
Agency
Approval
MIN MAX
LCE6.5A 6.5 7.22 7.98 10 1000 11. 2 100.0 100 75 1. 0 100 X
LCE7.0A 7. 0 7.78 8.60 10 500 12.0 100.0 100 75 1. 0 100 X
LCE7.5A 7. 5 8.33 9.21 10 250 12.9 100.0 100 75 1. 0 10 0 X
LCE8.0A 8.0 8.89 9.83 1 100 13.6 100.0 100 75 1. 0 100 X
LCE8.5A 8.5 9.44 10.40 1 50 14.4 100.0 100 75 1. 0 10 0 X
LCE9.0A 9.0 10.00 11. 10 110 15.4 97.0 100 75 1. 0 100 X
LCE10A 10.0 11. 10 12.30 1 5 1 7. 0 88.0 100 75 1. 0 100 X
LCE11A 11. 0 12.20 13.50 1 1 18.2 82.0 100 75 1. 0 100 X
LCE12A 12.0 13.30 14.70 1 1 19.9 75.0 100 75 1. 0 100 X
LCE13A 13.0 14.40 15.90 1 1 21.5 70.0 100 75 1. 0 100 X
LCE14A 14.0 15.60 17.20 1 1 23.2 65.0 100 75 1. 0 100 X
LCE15A 15.0 16.70 18.50 1 1 24.4 61.0 100 75 1. 0 100 X
LCE16A 16.0 17.80 19.70 1 1 26.0 57.0 100 75 1. 0 10 0 X
LCE17A 1 7. 0 18.90 20.90 1 1 27.6 54.0 10 0 75 1. 0 10 0 X
LCE18A 18.0 20.00 22.10 1 1 29.2 51.0 100 75 1. 0 10 0 X
LCE20A 20.0 22.20 24.50 1 1 32.4 46.0 100 75 1. 0 100 X
LCE22A 22.0 24.40 26.90 1 1 35.5 42.0 100 75 1. 0 100 X
LCE24A 24.0 26.70 29.50 1 1 38.9 39.0 100 75 1. 0 100 X
LCE26A 26.0 28.90 31.90 1 1 42.1 36.0 10 0 75 1. 0 10 0 X
LCE28A 28.0 31.10 34.40 1 1 45.5 33.0 10 0 75 1. 0 100 X
LCE30A 30.0 33.30 36.80 1 1 48.4 31.0 100 75 1. 0 100
LCE33A 33.0 36.70 40.60 1 1 53.3 28.1 100 75 1. 0 100
LCE36A 36.0 40.00 44.20 1 1 58.1 25.8 10 0 75 1. 0 10 0
LCE40A 40.0 44.40 49.10 1 1 64.5 23.3 100 75 1. 0 100
LCE43A 43.0 47.80 52.80 1 1 69.4 21.6 100 75 1. 0 10 0
LCE45A 45.0 50.00 55.30 1 1 72.7 20.6 10 0 75 1. 0 10 0
LCE48A 48.0 53.30 58.90 1 1 77.4 19.4 10 0 75 1. 0 100
LCE51A 51.0 56.70 62.70 1 1 82.4 18.2 100 75 1. 0 10 0
LCE54A 54.0 60.00 66.30 1 1 87.1 1 7. 2 100 100 1. 0 125
LCE58A 58.0 64.40 71.20 1 1 93.6 16.0 10 0 100 1. 0 125
LCE60A 60.0 66.70 73.70 1 1 96.8 15.5 100 100 1. 0 125
LCE64A 64.0 71.10 78.60 1 1 103.0 14.6 10 0 100 1. 0 125
LCE70A 70.0 77.80 86.00 1 1 113.0 13.3 10 0 125 1. 0 150
LCE75A 75.0 83.30 92.10 1 1 121.0 12.4 100 125 1. 0 150
LCE85A 85.0 94.40 104.00 1 1 129.0 11. 6 100 125 1. 0 150
LCE90A 90.0 100.00 111.0 0 1 1 146.0 10.3 100 125 1. 0 150
Note: For parts without A, the VBR is +10% and VC is 5% higher than with A parts.
Transient Voltage Suppression Diodes
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/04/13
Axial Leaded – 1500W > LCE series
LCE Series
0.1
1
10
100
1000
0.000001 0.000010.0001 0.001
PPPM - Peak Pulse Power (kW)
td-Pluse Width (Sec.)
Ratings and Characteristic Curves (TA=25°C unless otherwise noted)
IPPM- Peak Pulse Current, % IRSM
0
0
50
100
150
1.0 2.0 3.0 4.0
tr=10µsec
Peak Value
IPPM
IPPM
2
TJ=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
10/1000µsec. Waveform
as defined by R.E.A
td
t-Time (ms)
Half Value
IPPM ( )
0
25
50
75
100
0255075100 125150 175
Percentage of Rated Power (%)
T
L
-Lead Temperature (ºC)
Average Power
Peak Power
(Single Pulse)
Application Note: Device must be used
with two units in parrellel, opposite in polarity
as shown on circuit for AC signal lin
protection.
Low Capacitance
TVC
Figure 1 - Peak Pulse Power Rating Figure 2 - Power Derating Curve
Figure 3 - Pulse Waveform Figure 4 - AC Line Protection Application
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
6
6.5
0255075100 125 150 175200
Steady State Power Dissipation (W)
T
L
-Lead Temperature (ºC)
Figure 5 - Steady State Power Derating Curve
Transient Voltage Suppression Diodes
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/04/13
Axial Leaded – 1500W > LCE series
Physical Specifications
Weight 0.045oz., 1.2g
Case JEDEC DO-201 molded plastic body over
passivated junction.
Polarity Color band denotes the cathode except
Bipolar.
Terminal Matte Tin axial leads, solderable per
JESD22-B102D.
Dimensions
Dimensions Inches Millimeters
Min Max Min Max
A1.000 - 25.40 -
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
C
BA
A
D
DO-201
Environmental Specifications
Temperature Cycle JESD22-A104
Pressure Cooker JESD 22-A102
High Temp. Storage JESD22-A103
HTRB JESD22-A108
Thermal Shock JESD22-A106
Soldering Parameters
Temperature (T)
Time (t)
Ts(min)
Ts(max)
TL
TP
ts
Preheat
tL
tp
Ramp-up Critical Zone
TL to TP
Ramp-down
t 25˚C to Peak
25˚C
Reflow Condition Lead–free assembly
Pre Heat
- Temperature Min (Ts(min))150°C
- Temperature Max (Ts(max))200°C
- Time (min to max) (ts)60 – 180 secs
Average ramp up rate (Liquidus Temp
(TL) to peak 3°C/second max
TS(max) to TL - Ramp-up Rate 3°C/second max
Reflow - Temperature (TL) (Liquidus) 217°C
- Time (min to max) (ts)60 – 150 seconds
Peak Temperature (TP)260+0/-5 °C
Time within 5°C of actual peak
Temperature (tp)20 – 40 seconds
Ramp-down Rate 6°C/second max
Time 25°C to peak Temperature (TP)8 minutes Max.
Do not exceed 280°C
Flow/Wave Soldering (Solder Dipping)
Peak Temperature : 265°C
Dipping Time : 10 seconds
Soldering : 1 time
Transient Voltage Suppression Diodes
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/04/13
Axial Leaded – 1500W > LCE series
LCE Series
Part Numbering System
Packaging
Part Number Component
Package Quantity Packaging
Option Packaging Specification
LCExxxXX DO-201 1200 Tape & Reel EIA STD RS-296E
LCExxxXX-B DO-201 500 BULK Littelfuse Concord Packing Spec. DM-0016
VR
VOLTAGE CODE
(Refer to the Electrical Characteristics table)
OPTION CODE:
BLANK Reel Tape
-B Bulk Packaging
SERIES CODE
LCE xxx A X
TYPE CODE:
A Uni-Directional (5%
VBR
Voltage Tolerance)
Part Marking System
F
LCEXXX
YYWW
Trace Code Marking
YY:Year Code
WW: Week Code
Product Type
Littelfuse Logo
Cathode Band
Schematic
Tape and Reel Specification
2.062+/- 0.059
2.56
0.20+/-0.020
2.75
0.048
(330.2)
R
ecess Depth Max. 0.75 (19.05)
Off Center
either side
0.039(1.0)
Dimensions are in
inches/mm
0.25
(65.00)
(5.08+/- 0.508)
(52.37+/- 1.5)
(6.35)
(1.22)
(69.85)
13.0
(76.2)
3.0
0.68
(17. 27)
Direction of Feed
Transient
Voltage
Suppressor
Diode
