V5.5MLA0603LNR Datasheet, PDF (3/8 Pages) Littelfuse – Surface Mount Multilayer Varistors (MLVs)

Varistor Products
Surface Mount Multilayer Varistors (MLVs) > MLA Automotive 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
PO
UIF
%FWJDF
3BUJOHT
BOE
4QFDJmDBUJPOT
5BCMF
GPS
UIF


TQFDJmD
EFWJDF
'PS
BQQMJDBUJPOT
FYDFFEJOH
¡$
BNCJFOU

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

7JSUVBM
0SJHJO
PG
8BWF
5


5JNF
GSPN

UP

PG
1FBL
T₁

3JTF
5JNF


Y
5
T₂ = Decay Time
Example 
'PS
BO

μT
$VSSFOU
8BWFGPSN
μs = T₁

3JTF
5JNF
20μs
=
T
2
=
Decay
Time
©2010 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: December 16, 2010
MLA Automotive Varistor Series