Silicon Avalanche Diodes
311
www.littelfuse.com
1500W Axial Leaded Transient Voltage Supressors
LCE Series
FEATURES
• RoHS compliant
• Plastic package has Underwriters Laboratory Flammability
Classification 94V-O
•Glass passivated junction
•1500W Peak Pulse Power capability with a 10/1000µs
waveform, repetition rate (duty cycle):0.05%
•Excellent clamping capability
•Low incremental surge resistance
•Fast response time: typically less than 5.0ns from 0 Volts to
V(BR)
•Ideal for data line applications
• Low capacitance
•High temperature soldering guaranteed: 265˚C/10
seconds,0.375"(9.5mm) lead length, 5lbs., (2.3kg) tension
MAXIMUM RATINGS AND CHARACTERISTICS
@25˚C AMBIENT TEMPERATURE (unless otherwise noted)
PARAMETER
Peak pulse power Dissipation with a
10/1000µs waveform
(note 1,FIG.1)
Steady State Power Dissipation,
TL= 75 with at lead lengths 0.375”
(9.5mm)
Peak power pulse surge current
with a 10/1000µs waveform
(FIG.3, note 1)
Operating junction and Storage
Temperature Range
VALUE
Min
1500
5
See Table 1
-55 to +175
UNIT
Watts
Watts
Amps
°C
Notes:
1. Non-repetitive current pulse, per Fig.3 and derated above TA=
25˚C per Fig.2
SYMBOL
PPPM
PM(AV)
IPPM
Tj, TsTG
®
LCE CA
Voltage
Bi-Directional
Packaging Options
5% Voltage T olerance
B= Bulk (500 pcs)
T= Tape and reeled (1200 pcs)
ORDERING INFORMATION
Agency Approvals: Recognized under the Components Program
of Underwriters Laboratories.
Agency File Number: E128662
Mechanical Specifications:
Weight: 0.045 ounce, 1.2 grams
Case: JEDEC DO-201 Molded Plastic over
passivated junction
Mounting Position: Any
Polarity: Color band denotes cathode except
Bidirectionals
Terminal: Solder Plated, solderable per
MIL-STD-750, Method 2026
Standard Packaging: 16mm tape (EIA STD RS-481)
RoHS
6
SILICON DIODE
ARRAYS
Silicon Avalanche Diodes
312 www.littelfuse.com
1500W Axial Leaded Transient Voltage Supressors
LCE Series
RoHS
Part
Number Reverse
Stand off
Voltage GE
VWM
(Volts)
Breakdown
Voltage
VBR (Volts) @ IT
Maximum
Reverse
Leakage
IR@ VR
(µA)
Maximum
Clamping
Voltage
VC@ IPP
(Volts)
Maximum
Peak Pulse
Current
IPP
(A)
ELECTRICAL SPECIFICATION @ Tamb 25°C
LCE6.5A 6.5 7.22 7.98 10 1000 11.2 100 100 75 1.0 100
LCE7.0A 7.0 7.78 8.60 10 500 12.0 100 100 75 1.0 100
LCE7.5A 7.5 8.33 9.21 10 250 12.9 100 100 75 1.0 100
LCE8.0A 8.0 8.89 9.83 1 100 13.6 100 100 75 1.0 100
LCE8.5A 8.5 9.44 10.40 1 50 14.4 100 100 75 1.0 100
LCE9.0A 9.0 10.00 11.10 1 10 15.4 97 100 75 1.0 100
LCE10A 10.0 11.10 12.30 1 5 17.0 88 100 75 1.0 100
LCE11A 11.0 12.20 13.50 1 5 18.2 82 100 75 1.0 100
LCE12A 12.0 13.30 14.70 1 5 19.9 75 100 75 1.0 100
LCE13A 13.0 14.40 15.90 1 5 21.5 70 100 75 1.0 100
LCE14A 14.0 15.60 17.20 1 5 23.2 65 100 75 1.0 100
LCE15A 15.0 16.70 18.50 1 5 24.4 61 100 75 1.0 100
LCE16A 16.0 17.80 19.70 1 5 26.0 57 100 75 1.0 100
LCE17A 17.0 18.90 20.90 1 5 27.6 54 100 75 1.0 100
LCE18A 18.0 20.00 22.10 1 5 29.2 51 100 75 1.0 100
LCE20A 20.0 22.20 24.50 1 5 32.4 46 100 75 1.0 100
LCE22A 22.0 24.40 26.90 1 5 35.5 42 100 75 1.0 100
LCE24A 24.0 26.70 29.50 1 5 38.9 39 100 75 1.0 100
LCE26A 26.0 28.90 31.90 1 5 42.1 36 100 75 1.0 100
LCE28A 28.0 31.10 34.40 1 5 45.5 33 100 75 1.0 100
MIN MAX
Test
Current
IT(mA)
Maximum
Junction
Capacitance
@ 0 Volts
(pF)
Working
Inverse
Blocking
Voltage
VWIB (Volts)
Working
Inverse
Blocking
Voltage
VWIB (Volts)
Peak
Inverse
Blocking
Voltage
VPIB (Volts)
Note: For parts without A, the VBR is ± 10%.
Silicon Avalanche Diodes
313
www.littelfuse.com
LCE Series
RoHS
Fig. 1 Peak Pulse Power Rating
Fig. 3 Pulse Waveform
Fig. 4 AC Line Protection Application
Fig. 2 Power Derating Curve
td- Pulse Width (sec.) TL- Lead Temperature (˚C)
PPPM- Peak Pulse Power (KW)
IPPM- Peak Pulse Current, % I RSM
Percentage of Rated Power (%)
0.1µs 1.0µs 10µs 100µs 1.0ms 10ms
0.1
1
10
100
0
0
0
50
100
150
1.0 2.0 3.0 4.0
025
25
50
50
75
75
100
100
125 150 175 200
Application Note: Device must be used
with two units in parrellel, opposite in polarity
as shown on circuit for AC signal lin
protection.
tr=10µsec
Peak Value
IPPM
Half Value 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
Low Capacitance
TVC
td
Lead Lenths
0.375" (9.5mm)
Peak Power
(single Pulse)
Average Power
+
+
Ratings and Characteristic Curves TA=25˚C unless otherwise noted
1500W Axial Leaded Transient Voltage Supressors
6
SILICON DIODE
ARRAYS
1500W Axial Leaded Transient Voltage Supressors
LCE Series
RoHS
1.0 (25.4)
MIN.
1.0 (25.4)
MIN.
210(5.3)
190(4.8)
DIA.
All dimensions in inches and (millimeters)
0.042(1.07)
0.038(0.96)
DIA.
0.375(9.5)
0.285(7.2)
Case Style 1.5KE
(DO-201)
Package Outline Dimensions
www.littelfuse.com
314
Silicon Avalanche Diodes
