F39-EU1E Omron, F39-EU1E Datasheet - Page 78
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F39-EU1E
Manufacturer Part Number
F39-EU1E
Description
F3S-B OPTIONAL PROGRAMMING KIT
Manufacturer
Omron
Datasheet
1.F39-EU1E.pdf
(865 pages)
Specifications of F39-EU1E
Leaded Process Compatible
No
Peak Reflow Compatible (260 C)
No
Light Curtain Type
Safety
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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Courtesy of Steven Engineering, Inc.-230 Ryan Way, South San Francisco, CA 94080-6370-Main Office: (650) 588-9200-Outside Local Area: (800) 258-9200-www.stevenengineering.com
➏ Handling Relays
➏-1 Vibration and Shock
Relays are precision components. Regardless of whether or not they
are mounted, do not exceed the rated values for vibration and shock.
The vibration and shock values are determined individually for each
Relay, so check the individual Relay specifications in this catalog.
If a Relay is subjected to abnormal vibration or shock, its original
performance capabilities will be lost.
➐ Relays for Printed Circuit
➐-1 Selecting PCBs
PCBs are classified into those made of epoxy and those made of
phenol. The following table lists the characteristics of these PCBs.
Select one, taking into account the application and cost. Epoxy PCBs
are recommended for mounting Relays to prevent the solder from
cracking.
➐-2 Selecting PCBs
The PCB may warp due to the size, mounting method, or ambient
operating temperature of the PCB or the weight of components
mounted to the PCB. Should warping occur, the internal mechanism
of the Relay on the PCB will be deformed and the Relay may not
provide its full capability. Determine the thickness of the PCB by
taking the material of the PCB into consideration.
In general, PCB thickness should be 0.8, 1.2, 1.6, or 2.0 mm. Taking
Relay terminal length into consideration, the optimum thickness is 1.6
mm.
Item
Electrical
characteristics
Mechanical
characteristics
Relative cost High
Applications
Boards (PCBs)
(1) PCB Materials
(2) PCB Thickness
Material
Glass epoxy (GE) Paper epoxy (PE)
Applications that
require high
reliability.
High insulation
resistance.
Insulation
resistance
hardly affected
by moisture
absorption.
The
dimensions are
not easily
affected by
temperature or
humidity.
Suitable for
through-hole or
multi-layer
PCBs.
http://www.ia.omron.com/
Terminal length
Epoxy
Characteristics
between glass
epoxy and phenol
Characteristics
between glass
epoxy and phenol
Moderate
Characteristics
between glass
epoxy and paper
phenol
New PCBs are
highly insulation-
resistive but easily
affected by
moisture
absorption.
Low
Applications in
comparatively
good
environments with
low-density wiring.
Paper phenol
The
dimensions are
easily affected
by temperature
or humidity.
Not suitable for
through-hole
PCBs.
Phenol
(PP)
➏-2 Dropped Products
Do not use a product that has been dropped, or that has been taken
apart. Not only may its characteristics not be satisfied, but it may be
susceptible to damage or burning.
➐-3 Selecting PCBs
Refer to the following table to select the terminal hole and land
diameters based on the Relay mounting dimensions. The land
diameter may be smaller if the land is processed with through-hole
plating.
➐-4 Mounting Space
➀ Ambient Temperature
When mounting a Relay, check this catalog for the specified amount
of mounting space for that Relay, and be sure to allow at least that
much space.
When two or more Relays are mounted, their interaction may
generate excessive heat. In addition, if multiple PCBs with Relays are
mounted to a rack, the temperature may rise excessively. When
mounting Relays, leave enough space so that heat will not build up,
and so that the Relays' ambient temperature remains within the
specified operating temperature range.
➁ Mutual Magnetic Interference
When two or more Relays are mounted, Relay characteristics may be
changed by interference from the magnetic fields generated by the
individual Relays. Be sure to conduct tests using the actual devices.
➐-5 Pattern Design for Noise Countermeasures
➀ Noise from Coils
When the coil is turned OFF, reverse power is generated to both ends
of the coil and a noise spike occurs. As a countermeasure, connect a
surge absorbing diode. The diagram below shows an example of a
circuit for reducing noise propagation.
Nominal value
Terminal hole diameter (mm)
(3) Terminal Hole and Land Diameters
0.6
0.8
1.0
1.2
1.3
1.5
1.6
2.0
(c)Copyright OMRON Corporation 2007 All Rights Reserved.
Noise is superimposed
on the power supply line,
so a separate pattern is
connected from a
smoothing capacitor to
supply coil power.
Smoothing
capacitor
Tolerance
±0.1
Relay drive transistor
The pattern will
form an antenna
circuit, so make
it as short as
possible.
Precautions for All Relays
Minimum land diameter (mm)
Power supply line
1.5
1.8
2.0
2.5
2.5
3.0
3.0
3.0
C-11
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