LCE6.5 THRU LCE28A SERIES
LOW CAPACITANCE T
RANS
Z
ORB
™ TRANSIENT VOLTAGE SUPPRESSOR
Stand-off Voltage
- 6.5 to 28 Volts
Schematic
Transient
Voltage
Suppressor
Peak Pulse Power
- 1500 Watts
FEATURES
♦
Plastic package has Underwriters Laboratory
Flammability Classification 94V-0
♦
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
♦
High temperature soldering guaranteed:
265°C/10 seconds, 0.375" (9.5mm) lead length,
5lbs. (2.3 kg) tension
Case Style 1.5KE
1.0 (25.4)
MIN.
Diode
0.210 (5.3)
0.190 (4.8)
DIA.
0.375 (9.5)
0.285 (7.2)
1.0 (25.4)
MIN.
MECHANICAL DATA
Case:
Molded plastic body over a passivated junction
Terminals:
Plated axial leads, solderable per MIL-STD-750,
Method 2026
Polarity:
Color band denotes positive end (cathode)
Mounting Position:
Any
Weight:
0.045 ounce, 1.2 grams
0.042 (1.07)
0.038 (0.96)
DIA.
Dimensions in inches
and
(millimeters)
MAXIMUM RATINGS AND CHARACTERISTICS
Ratings at 25°C ambient temperature unless otherwise specified.
SYMBOL
VALUE
UNITS
Peak pulse power dissipation with a 10/1000µs waveform
(NOTE 1, FIG. 1)
P
PPM
P
M(AV)
I
PPM
T
J,
T
STG
Minimum 1500
6.5
SEE TABLE 1
Watts
Watts
Amps
°C
Steady state power dissipation, T
L
=75°C 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
NOTE:
(1) Non-repetitive current pulse, per Fig. 3 and derated above T
A
=25°C per Fig. 2
-65 to +175
ELECTRICAL CHARACTERISTICS at (T
A
=25°C UNLESS OTHERWISE NOTED) TABLE 1
BREAKDOWN
VOLTAGE
TEST
CURRENT
V
(BR)
(VOLTS)
at I
T
MIN / MAX
mA
7.22-8.82
10.0
7.22-7.98
10.0
7.78-9.51
10.0
7.78-8.60
10.0
8.33-10.2
10.0
8.33-9.21
10.0
8.89-10.9
1.0
8.89-9.83
1.0
9.44-11.5
1.0
MAXIMUM
REVERSE
LEAKAGE
AT V
WM
I
D (µA)
1000
1000
500
500
250
250
100
100
50.0
MAXIMUM
CLAMPING
VOLTAGE
AT I
PP
V
C
(VOLTS)
12.3
11.2
13.3
12.0
14.3
12.9
15.0
13.6
15.9
MAXIMUM
PEAK
PULSE
CURRENT
FIG.2
I
PPM
(AMPS)
100
100
100
100
100
100
100
100
94
MAXIMUM
JUNCTION
CAPACITANCE
AT 0
VOLTS
(
P
F)
100
100
100
100
100
100
100
100
100
WORKING
INVERSE
BLOCKING
VOLTAGE
V
WIB
(VOLTS)
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
MINIMUM
PEAK
INVERSE
BLOCKING
VOLTAGE
V
PIB
(VOLTS)
100
100
100
100
100
100
100
100
100
PART
NUMBER
+
LCE6.5
+
LCE6.5A
+
LCE7.0
+
LCE7.0A
+
LCE7.5
+
LCE7.5A
+
LCE8.0
+
LCE8.0A
+
LCE8.5
STAND-OFF
VOLTAGE
V
WM
(VOLTS)
6.5
6.5
7.0
7.0
7.5
7.5
8.0
8.0
8.5
1/5/99
ELECTRICAL CHARACTERISTICS at (T
A
=25°C UNLESS OTHERWISE NOTED) TABLE 1 (Cont’d)
BREAKDOWN
VOLTAGE
TEST
CURRENT
V
(BR)
(VOLTS)
at I
T
MIN/MAX
(mA)
9.44-10.4
1.0
10.0-12.2
1.0
10.0-11.1
1.0
11.1-13.6
1.0
11.1-12.3
1.0
12.2-14.9
1.0
12.2-13.5
1.0
13.3-16.3
1.0
13.3-14.7
1.0
14.4-17.6
1.0
14.4-15.9
1.0
15.6-19.1
1.0
15.6-17.2
1.0
1 6.7-20.4
1.0
16.7-18.5
1.0
17.8-21.8
1.0
17.8-19.7
1.0
18.9-23.1
1.0
18.9-20.9
1.0
20.0-24.4
1.0
20.0-22.1
1.0
22.2-27.1
1.0
22.2-24.5
1.0
24.4-29.8
1.0
24.4-26.9
1.0
26.7-32.6
1.0
26.7-29.5
1.0
28.9-35.3
1.0
28.9-31.9
1.0
31.1-38.0
1.0
31.1-34.4
1.0
MAXIMUM
REVERSE
LEAKAGE
AT V
WM
I
D (µA)
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
(VOLTS)
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.2
I
PPM
(AMPS)
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
VOLTS
(
P
F)
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
(VOLTS)
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
MINIMUM
PEAK
INVERSE
BLOCKING
VOLTAGE
V
PIB
(VOLTS)
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
PART
NUMBER
+
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
STAND-OFF
VOLTAGE
V
WM
(VOLTS)
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
+ UL listed for Telecom application protection 497B, file number E136766
RATINGS AND CHARACTERISTIC CURVES LCE6.5 THRU LCE28A SERIES
FIG. 1 - PEAK PULSE POWER RATING CURVE
PERCENTAGE OF RATED POWER, %
100
FIG. 2 - POWER DERATING CURVE
100
AVERAGE
POWER
P
PPM
, PEAK PULSE POWER, kW
NON-REPETITIVE
PULSE WAVEFORM
SHOWN in FIG. 3
T
A
=25°C
10
75
PEAK POWER
(SINGLE PULSE)
50
LEAD LENGTHS
0.375" (9.5mm)
1.0
25
0.1
0.1
µ
s
1.0
µ
s
10
µ
s
100
µ
s
1.0ms
10ms
0
0
50
100
150
td, PULSE WIDTH, sec.
FIG. 3 - PULSE WAVEFORM
I
PPM,
PEAK PULSE CURRENT, %
tr=10µsec.
PEAK VALUE
I
PPM
100
T
L
, LEAD TEMPERATURE, °C
FIG. 4 - AC LINE PROTECTION APPLICATION
PULSE WIDTH (td) is
DEFINED as the POINT
WHERE the PEAK
CURRENT DECAYS
to 50% of I
PP
LOW CAPACITANCE
TRANSIENT VOLTAGE
SUPPRESSOR
HALF VALUE - I
PP
2
50
td
0
0
1.0
10/1000µsec. WAVEFORM
as DEFINED by R.E.A.
2.0
t, TIME, ms
3.0
4.0
APPLICATION NOTE:
Device must be used with two units in parallel, opposite in
polarity as shown in circuit for AC signal Line protection
Embedded System
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