V181206XMLAXX Datasheet, PDF (3/8 Pages) Littelfuse – RoHS compliant Rated for surge current (8 x 20 us)

Varistor Products
Surface Mount Multilayer Varistors (MLVs) > MLA Series
Peak Current and Energy Derating Curve
When transients occur in rapid succession, the average
power dissipation is the energy (watt-seconds) per pulse
times the number of pulses per second. The power so
developed must be within the specifications shown
on the Device Ratings and Specifications Table for the
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temperature, the peak surge current and energy ratings
must be derated as shown below.
100
80
60
40
20
0
-55
Figure 1
50 60 70 80 90 100 110 120 130 140 150
AMBIENTTEMPERATURE ( ^oC)
Peak Pulse Current Test Waveform for Clamping Voltage
100
50
0
O₁
Figure 2
T
T₁
T₂
TIME
0₁

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PG
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5


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UP

PG
1FBL
T₁ = Rise Time = 1.25 x T
T₂ = Decay Time
Example - For an 8/20 μT
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8μs = T₁ = Rise Time
20μs = T₂ = Decay Time
Limit V-I Characteristic for V5.5MLA0402 to V18MLA0402
100
Limit V-I Characteristic for V9MLA0402L
100
10
V18MLA0402
V14MLA0402
V9MLA0402
V5.5MLA0402
1
1μA
10μA
100μA
1mA
10mA
1A
Figure 3
Current (A)
10A
100A
Limit V-I Characteristic for V3.5MLA0603 to V30MLA0603
1000
100
V30MLA0603
V26MLA0603
V18MLA0603
V14MLA0603
10
1
10μA
100μA
1mA
Figure 5
V9MLA0603, V9MLA0603L
V5.5MLA0603, V5.5MLA0603L
V3.5MLA0603
10mA
100mA
1A
Current (A)
10A
100A
10
V9MLA0402L
V5.5MLA0402L
1
1μA
10μA
100μA 1mA
10mA 1A
Figure 4
Current (A)
10A
100A
Limit V-I Characteristic for V3.5MLA0805L to V30MLA0805L
1000
100
V30MLA0805L
V26MLA0805L
V18MLA0805L
V14MLA0805L
10
1
10μA
100μA
1mA
Figure 6
10mA
100mA
Current (A)
V12MLA0805L
V9MLA0805L
V5.5MLA0805L
V3.5MLA0805L
1A
10A
100A
©2011 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/ML.html or MLA.html for current information.
Revision: November 30, 2011
MLA Varistor Series