Dynamic Series Connectors
Dynamic Series Connectors
Contact Features (Example of the D-3000 Series)
Receptacle contact
Contact Features (Example of D-3000 Series)
Tab/Receptacle Contact
Male side is tab, while female side is
receptacle contact so as to avoid twisting.
(Refer to Figure on the left)
Highly reliable 3-point contacts are used.
Housing Lance
The housing lance is used to secure the contact in place.
The lance ensures the contact stays secure in the housing
and helps prevent damage during contact mating. In addition
to these protective features the housing lance produces an
audible "click" ensuring the contact is securly locked in the
housing. The contact can still be easily removed securely with
specialized tooling.
Housing lance
PCB mounted tab header
Contact points
Wire
Contact
Confirmation Marks
Anti-overstress structure
Main beam
Support beam (auxiliary spring)
(Illustration of D-3 Connector)
• Contact Pressure marks……"H" mark on the
bottom of the contact for high
contact-pressure product (Standard
Contact pressure for those without
the marks)
(Only for D-3 connector)
Plating mark
Contact Pressure Adjustment Method
• Gold-plated and tin-plated contacts
are available. Adjustable gaps for the
auxiliary spring (at positions of A-C)
to get the optimum contact pressure.
For gold-plated product, both high
Contact Pressure and standard
contact pressure are available in
accordance with the intended use
• Anti-overstress structure prevents
damage to the main beam which
might be caused by insertion of
foreign objects or twisting
(Receptacle contact type of D-2 S,
M／D-3 S, M, L, 2L, 3L／D-5 S, M)
Anti-overstress structure
• Plating marks……To show clearly types and
thickness of the plating, following numbers
will be marked on the side of the contact.
This number is consistent with the additional
number of contact's part model number.
－
2……Gold plating 0.38µm Thickness
－
3……Gold plating 0.76µm Thickness
－
5……Tin plating
• Shared marks on the contact and the tool to
avoid misuse of hand tools and extraction
tools, wire range marks (SS, S, M, L) will be
used from different the contact size marks
(D-1/D-2/D-3/D-4/D-5)
Plating mark
Pressure mark
Receptacle contact
Tab contact
A
B
C
Contact size mark
Contact Pressure mark
(H mark for high Contact Pressure type)
Wide range mark
Contact
size mark
Wire range mark
Receptacle contact
Tab contact
Plating
Type
Standard
Contact Pressure
High Contact
Pressure
High Contact
Pressure
Contact
Pressure
Around
1.47N
Around
2.45N
Around
3.92N
Position
A
B
C
Contact
Applicable
Pressure mark
unit
Specifications
Standard
Vibration/
High current
High
Current
Application
Used for signal/current Multipolar
direction and High mating cycles circuits
Used for signal/Power supply/Motor,
Applications for high-vibration ion
Used for Signal/Power supply
Circuits low mating cycles
Mating
Cycles
500
500
100
Gold
-plated
1~100
H
H
1~20
1~10
Tin
-plated
Wire range marks
D-1 S
AWG#30-28
M AWG#28-22
L
AWG#28-22
2L WG#22-18
D-2 S
AWG#28-24
M AWG#22-18
D-3 S
AWG#28-24
M AWG#24-20
L
AWG#20-16
2L AWG#16-14
3L AWG#16-14
D-4 M
L
D-5/D5α SS
S
M
L
AWG#16-14
AWG#14-12
AWG#20-16
AWG#16-14
AWG#12-10
AWG#8
Hand tool
Extraction
4
5
Dynamic Series Connectors
Dynamic Series Connectors
Housing Features (Example of D-3000 Series)
Rib
Tab contact
Features of the housing (Example of D-3000 Series)
Retention legs for board mounting
For robotic automatic implementation, the retention legs
will be provided for both the vertical-type and the
horizontal-type header. Especially for the horizontal-type
header, it is possible to mount to the bottom of the
housing and it will not take up as wide a space as the
conventional system.
Vertical-type header
Horizontal-type header
Retention legs are close to the insertion part of the
receptacle housing so as to resist tilting caused by the
cable (Patent number 2,508,076).
Locking lever
Fitting
confirmation line
Retention leg
Titling caused by cable
Retention leg
Note: Retention legs are used for board with 1.6mm thickness.
If used for board with 2.4mm thickness, strength will be reduced.
Contact marks
Housing lance
Receptacle housing
Twisting Prevention Structure
The ribs are used in both the receptacle housing and tab
housing. This safety design can be used to avoid any
backlashes between housings after the receptacle
housing has been completely inserted into tab housing.
There is enough distance after housing
inserted to maintain stability
Misinsertion Preventing Mechanism
Part of the products (D-1200D/D-2100/D-2100D/D-3100/
D-3100M/D-3200/D-3200M/D-3200T/D-4000/D-5200/
D-5200M) is provided with keying to prevent incorrect
insertion. By using this plug, it also makes it easier to prevent
incorrect insertion of other items. (Refer to P.104, only
available for D-3000 Series)
(illustration of D - 3000 Series)
Easy to insert and extract the connector
• When you insert or extract the connector, a clear "lock"
sound will be heard. A fitting confirmation line is provided
to confirm the operation both with your ears and eyes
• Pinch 2 locks on both sides of the housing to easily extract
the connector (D -3100/D-3200/D-4000/D-5200 Series)
• For safety consideration, well rounded corners will be used
Receptacle housing
3
4
5
to prevent hand Injuries when inserting or extracting the
connector
Fitting confirmation line
Ribs
1
1
2
2
D-3100
Tab housing
5
4
3
Keying plug
Label Mark
Easy-to-read circuit number
To facilitate cable assembly, tab and receptacle housings
will be marked with circuit numbers.
Vertical-type header
To avoid mis-installation
or mis-alignment of the
boards, keep in mind the
direction (Concave) of
Vertical-type header (only
available for D-3000 Series)
Housing to protect tine part
For protecting the solder tine, horizontal-type
header will be fully applied to cover type.
A flat side portion is provided in the housing for
custom labels.
Receptacle
housing
5 4 3 2 1
D-3100
1
2
3
4 5
Tab housing
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7
Dynamic Series Connectors
Dynamic Series Connectors
Dynamic Series Connectors
Dynamic Series Connectors
Dynamic Series Connectors
only. Please
Guideline for selecting plating (
These guidelines apply to the D-3000 series products.
)
note that they may not be suitable for other
Dynamic Series Connectors
only. Please
Guideline for selecting plating (
These guidelines apply to the D-3000 series products.
)
note that they may not be suitable for other
Whether to use gold or tin plating varies depending on
the voltage, current, environment (vibration, temperature,
gas, etc.), number of contact positions, and other
variables. Gold plating is recommended for general
industrial machinery, but in reality cost considerations are
also a factor. To help in this selection, these guidelines
have been put together for the Dynamic Series as a
reference in the selection process.
4) Other considerations
Contact between dissimilar metals
Combining tin and gold tends to create a lot of ionization, producing
electrolytes from condensation so corrosion is likely to occur. This
combination is not recommended because it could produce worse
results than a combination of just tin.
The above information has been summarized in "Plating selection
at a glance" for your convenience.
½½½
Best
½½
½
—
Good
Usable
Not usable
Plating selection at a glance
Gold-plated
Voltage/current
Application
Standard specifications
Below 3 V
Below 1 A
Vibration
Bad environment
Extensive mating/unmating
Many contact positions
Standard specifications
3 to 30 V
1 to 10 A
Vibration
Bad environment
Extensive mating/unmating
Many contact positions
Standard specifications
Over 30 V
Vibration
Bad environment
Extensive mating/unmating
Many contact positions
Tin-plated
0.38
0.76
Being consistent within an application
We recommend that, as much as possible, the same type of plating
be used within an application. This is to prevent connections being
made between dissimilar metals, gold and tin as mentioned above,
during assembly and maintenance. And for the same reason, we
recommend using the same plating in factories or workplaces
where assembly or harness production is done.
1) Selection based on voltage and current
Gold-plated
Voltage
Current
(Table - 1)
Below 3 V
Below 1 A
Undetermined zone
3 to 30 V
1 to 10 A
Tin-plated
30 to 100 V
Over 10 A
No plating (reference)
Over 100 V
Over 0.1 A
Table 1 shows us that gold should always be used for
applications under 3 volts and 1 ampere. When the voltage is
over 30 and amperage is over 1, tin plating can be used. The
most difficult area to make a selection is in the undetermined
zone. In this zone either gold or tin plating can be used, but
the environment causes extensive variation. In a clean
environment tin plating is acceptable. However, use gold
plating if the environment is bad, such as in high heat or
humidity, the presence of gas is possible, vibration is extreme,
mating and demating are excessive, or other factors.
2) Selection based on number of contact positions (selection based on contact pressure)
Selecting based on the number of contact positions is often
forgotten. The higher the contact pressure the more possible
it is to use tin plating or no plating, regardless of the voltage
or current mentioned in section 1. However, if they are too
high, mating and demating become impossible so the
connector function is lost. To get around this, we can drive
the voltage and current down into a workable zone, but then
we run into the problem of oxidation. Then, to prevent
oxidation, we use tin (approximately 2.94 N optimum contact
pressure) or gold (approximately 1.18 N) plating. But, the
contact pressure increases proportionally as we increase the
number of contact positions, causing mating and demating
to become difficult. Generally speaking, given a 39.2 N limit
for mating/demating by hand, it becomes difficult without
Contact pressure
( 1 ) Gold plating Standard contact pressure: 1.47
N
(2) Gold plating High contact pressure:
(3) Tin plating High contact pressure:
2.45
N
3.92
N
using leverage, such as a lever or jack screw.
The Dynamic D-3000 series has a maximum of 20 contact
positions. That means the contact pressure with tin plating is
3.92 N, and with gold plating is 2.45 N and 1.47 N (high
pressure types and standard types are available for some
applications).
For instance, given 3.92 N for tin plating, we can calculate
insertion and extraction forces of 58.8 N and 49.0 N, which is
difficult because it exceeds the range for barehanded work.
Once we understand this, we see that as contact positions
increase we must use gold plating regardless of the voltage
and current conditions mentioned in section 1.
Table 2 shows the applicable maximum number of contact
positions as a reference.
Applicable maximum number of contact positions
20
20
12
4
Wire to Board Connectors
—
—
—
—
—
—
—
—
—
—
½½
Standard pressure High pressure Standard pressure High pressure
½½
½½½
½½
½½½
½
½
½½
½½½
½½
½
½½
½½
½½½
½½½
½½
½½
½½½
½½½
½½
½
½
½½
½½
½½
½½
½
½½
½½½
½½½
½½
½½
½½
½
½½
½½½
½½½
½½½
½
½½½
½½½
½½½
½½½
½½
½½½
½½½
½½½
½½½
½½½
½½
½½
½½½
½½½
½½½
½½
½½
½½½
½½½
½½½
½½
½½
(Table - 2) Note: Insertion force and extraction force are not the same as contact pressure.
3) Environment (vibration, humidity, gas, etc.)
Although the environment was discussed in section 1 about
voltage and current, it is summarized again here.
Use gold plating in a bad environment, particularly for high
vibration or heat, the presence of gas or other bad conditions.
Gold is a noble metal. This means that gold does not react
easily with other materials, which means that its surface does
not oxidize or tarnish when exposed to air. Of all metals, only
gold has this property. Other metals, noble metals except
gold, such as platinum or rhodium for example, do not produce
absolutely no oxide film. This is a very important property for
contacts. In consideration of this, there is no better material
than gold plating if the environment is bad.
Also, if vibration is an issue, there is the risk of fretting
corrosion (micro-abrasion). Always use gold plating. If possible,
high-contact pressure connectors are recommended.
—
—
—
—
Over 1 A
The above table is basically for industrial machinery, and was made with a wide margin. This table is not applicable for every
situation as there are many combinations depending on the application. It is intended to be used as a guideline only.
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347
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