V18MLE0603NH Littelfuse Inc, V18MLE0603NH Datasheet - Page 4

• Manufacturer Part Number: V18MLE0603NH
• Description: VARISTOR TVS ESD 18V SMD 0603
• Manufacturer: Littelfuse Inc
• Series: MLEr

Specifications of V18MLE0603NH

• Varistor Voltage: 28V
• Number Of Circuits: 1
• Maximum Dc Volts: 18VDC
• Package / Case: 0603 (1608 Metric)
• Suppressor Type: Transient Voltage
• Voltage Rating Vdc: 18V
• Operating Temperature Range: -55°C To +125°C
• Svhc: No SVHC (15-Dec-2010)
• Capacitance: 125pF
• Clamping Voltage: 50V
• Ptc Fuse Case: 0603
• Surge: RoHS Compliant
• Lead Free Status / RoHS Status: Lead free by exemption / RoHS Compliant
• Energy: -
• Current-surge: -
• Maximum Ac Volts: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

MLE Varistor Series
Lead (Pb) Soldering Recommendations
The principal techniques used for the soldering of
and Wave soldering. Typical profiles are shown on the right.
The recommended solder for the MLE suppressor is
Wave soldering is the most strenuous of the processes.
To avoid the possibility of generating stresses due to
thermal shock, a preheat stage in the soldering process
is recommended, and the peak temperature of the solder
process should be rigidly controlled.
When using a reflow process, care should be taken to
ensure that the MLE chip is not subjected to a thermal
gradient steeper than 4 degrees per second; the ideal
gradient being 2 degrees per second. During the soldering
process, preheating to within 100 degrees of the solder's
still necessary to ensure that any further thermal shocks
printed circuit boards being removed from the solder
process and subjected to cleaning solvents at room
temperature. The boards must be allowed to cool gradually
Lead–free (Pb-free) Soldering Recommendations
Littelfuse offers the Nickel Barrier Termination finish for the
optimum Lead–free solder performance.
flux, but there is a wide selection of pastes and fluxes
available with which the Nickel Barrier parts should be
compatible.
The reflow profile must be constrained by the maximums
evaluation purposes by Littelfuse, based upon industry
standards and practices. There are multiple choices of all
three available, it is advised that the customer explores the
optimum combination for their process as processes vary
considerably from site to site.
Surface Mount Multilayer Varistors (MLVs) > MLE Series
Varistor Products
Revision: July 16, 2009
34
Reflow Solder Profile
Wave Solder Profile
Lead–free Re-flow Profile
Figure 9
Figure 10
Figure 11
Please refer to www.littelfuse.com/series/MLE.html for current information.
MAXIMUM TEMPERATURE 260˚C
20 - 40 SECONDS WITHIN 5˚C
PREHEAT ZONE
RAMP RATE
<3˚C/s
Specifications are subject to change without notice.
230
5.0
60 - 150 SEC
> 217˚C
6.0
©2009 Littelfuse, Inc.
7.0