LCE6.5 thru LCE28A Series
Vishay Semiconductors
formerly General Semiconductor
Low Capacitance T
RANS
Z
ORB
®
Transient Voltage Suppressors
Peak Pulse Power
1500W
Stand-off Voltage
6.5 to 28V
Case Style 1.5KE
Features
1.0 (25.4)
MIN.
0.210 (5.3)
0.190 (4.8)
DIA.
0.375 (9.5)
0.285 (7.2)
• Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
• Glass passivated junction
• 1500W peak pulse power capabililty with a
10/1000µs waveform, repetition rate
(duty cycle): 0.05%
• Excellent clamping capability
• Low incremental surge resistance
• Very fast response time
• Ideal for data line applications
• High temperature soldering guaranteed:
265°C/10 seconds, 0.375" (9.5mm) lead length,
5lbs. (2.3 kg) tension
Mechanical Data
1.0 (25.4)
MIN.
0.042 (1.07)
0.038 (0.96)
DIA.
Dimensions in inches and (millimeters)
Schematic
Diode
Case:
Molded plastic body over passivated junction
Terminals:
Plated axial leads, solderable per
MIL-STD-750, Method 2026
Polarity:
Color band denotes TVS cathode
Mounting Position:
Any
Weight:
0.045 oz., 1.2 g
Packaging Codes – Options (Antistatic):
51 – 1K per Bulk box, 10K/carton
54 – 1.4K per 13" paper Reel
(52mm horiz. tape), 4.2K/carton
73 – 1K per horiz. tape & Ammo box, 10K/carton
Transient
Voltage
Suppressor
Maximum Ratings and Thermal Characteristics
(T
Parameter
Peak pulse power dissipation with a 10/1000µs waveform
Steady state power dissipation, at T
L
= 75
O
C
with lead lengths 0.375” (9.5mm)
Peak power pulse surge current with a 10/1000µs
waveform
(1)(3)
Operating junction and storage temperature range
Symbol
P
PPM
P
M(AV)
I
PPM
T
J
, T
STG
A
= 25°C unless otherwise noted)
Limit
Minimum 1500
(1)(2)
6.5
See Next Table
–65 to +175
Unit
W
W
A
O
C
Note:
(1) Non-repetitive current pulse, per Fig.3 and derated above T
A
= 25°C per Fig. 2
(2) See Figure 1
(3) See Figure 3
Document Number 88357
03-May-02
www.vishay.com
1
LCE6.5 thru LCE28A Series
Vishay Semiconductors
formerly General Semiconductor
Electrical Characteristics
(T
Stand-off
Voltage
V
WM
(V)
6.5
6.5
7.0
7.0
7.5
7.5
8.0
8.0
8.5
8.5
9.0
9.0
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
20
20
22
22
24
24
26
26
28
28
Breakdown
Voltage
V
(BR)
(V)
Min
7.22
7.22
7.78
7.78
8.33
8.33
8.89
8.89
9.44
9.44
10.0
10.0
11.1
11.1
12.2
12.2
13.3
13.3
14.4
14.4
15.6
15.6
16.7
16.7
17.8
17.8
18.9
18.9
20.0
20.0
22.2
22.2
24.4
24.4
26.7
26.7
28.9
28.9
31.1
31.1
Max
8.82
7.98
9.51
8.60
10.2
9.21
10.9
9.83
11.5
10.4
12.2
11.1
13.6
12.3
14.9
13.5
16.3
14.7
17.6
15.9
19.1
17.2
20.4
18.5
21.8
19.7
23.1
20.9
24.4
22.1
27.1
24.5
29.8
26.9
32.6
29.5
35.3
31.9
38.0
34.4
Test
Current
at I
T
mA
10.0
10.0
10.0
10.0
10.0
10.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
A
= 25°C unless otherwise noted)
Part
Number
LCE6.5
LCE6.5A
LCE7.0
LCE7.0A
LCE7.5
LCE7.5A
LCE8.0
LCE8.0A
LCE8.5
LCE8.5A
LCE9.0
LCE9.0A
LCE10
LCE10A
LCE11
LCE11A
LCE12
LCE12A
LCE13
LCE13A
LCE14
LCE14A
LCE15
LCE15A
LCE16
LCE16A
LCE17
LCE17A
LCE18
LCE18A
LCE20
LCE20A
LCE22
LCE22A
LCE24
LCE24A
LCE26
LCE26A
LCE28
LCE28A
Maximum
Reverse
Leakage
at V
WM
I
D
(µA)
1000
1000
500
500
250
250
100
100
50.0
50.0
10.0
10.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
Maximum
Clamping
Voltage
at I
PP
V
C
(V)
12.3
11.2
13.3
12.0
14.3
12.9
15.0
13.6
15.9
14.4
16.9
15.4
18.8
17.0
20.1
18.2
22.0
19.9
23.8
21.5
25.8
23.2
26.9
24.4
28.8
26.0
30.5
27.6
32.2
29.2
35.8
32.4
39.4
35.5
43.0
38.9
46.6
42.1
50.1
45.5
Maximum
Peak
Pulse
Current
(Fig 3)
I
PPM
(A)
100
100
100
100
100
100
100
100
94
100
89
97
80
88
74
82
68
75
63
70
58
65
56
61
52
57
49
54
46
51
42
46
38
42
35
39
32
36
30
33
Maximum
Junction
Capacitance
at 0
(V)
(pF)
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
Working
Inverse
Blocking
Voltage
V
WIB
(V)
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
75
Maximum
Inverse
Blocking
Leakage
Current
at V
WIB
I
D
(mA)
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Minimum
Peak
Inverse
Blocking
Voltage
V
PIB
(V)
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
Note:
All the above devices are UL listed for Telecom application protection 497B, file number E136766.
www.vishay.com
2
Document Number 88357
03-May-02
LCE6.5 thru LCE28A Series
Vishay Semiconductors
formerly General Semiconductor
Ratings and
Characteristic Curves
(T
A
= 25°C unless otherwise noted)
Fig. 1 – Peak Pulse Power Rating Curve
100
Fig. 2 - Power Derating Curve
100
Percentage of Rated Power (%)
Average Power
P
PPM
— Peak Pulse Power (kW)
75
10
Peak Power
(single pulse)
50
1
25
Lead Lengths
0.375" (9.5mm)
0.1
0.1µs
1.0µs
10µs
100µs
1.0ms
10ms
0
0
t
d
— Pulse Width (sec.)
50
100
150
T
L
Lead Temperature (°C)
175
Fig. 3 – Pulse Waveform
150
Fig. 4 - AC Line Protection Application
I
PPM
— Peak Pulse Current, % I
RSM
tr = 10µsec.
Peak Value
I
PPM
100
T
J
= 25°C
Pulse Width (td)
is defined as the point
where the peak current
decays to 50% of I
PPM
Half Value — IPP
2
I
PPM
50
10/1000µsec. Waveform
as defined by R.E.A.
Low Capacitance
TVS
td
0
0
1.0
2.0
3.0
4.0
t — Time (ms)
Application Note:
Device must be used
with two units in parallel, opposite in polarity
as shown in circuit for AC signal line
protection.
Document Number 88357
03-May-02
www.vishay.com
3
Legal Disclaimer Notice
Vishay
Notice
Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc.,
or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies.
Information contained herein is intended to provide a product description only. No license, express or implied, by
estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's
terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express
or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness
for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.
Customers using or selling these products for use in such applications do so at their own risk and agree to fully
indemnify Vishay for any damages resulting from such improper use or sale.
Document Number: 91000
Revision: 08-Apr-05
www.vishay.com
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