Panasonic P4S Manual de usuario

ACCTF24E-1

2017.10 industrial.panasonic.com/ac/e/

4S Shield type

Narrow

-pitch Connectors

Operation manual

Operation manual for Narrow-pitch connectors P4S Shield type

Panasonic Corporation

industrial.panasonic.com/ac/e/

©Panasonic Corporation 2017 ACCTF24E-1 201710

Contents

01.Introduction.............................................................................................2

02.Precautions for equipment design ..........................................................3

03.Precautions for mounting and reflow soldering.....................................15

04.Precautions for mating..........................................................................23

Parts that require special confirmation are bold and underlined.

Operation manual for Narrow-pitch connectors P4S Shield type

Panasonic Corporation

industrial.panasonic.com/ac/e/

©Panasonic Corporation 2017 ACCTF24E-1 201710

01. Introduction

The P4S Shield type narrow pitch connector has a terminal pitch of 0.4 mm, stacking

height of 1.5 mm, and width of 3.8 mm. Being both slim and equipped with a shield

plate, the P4S Shield type connector is designed for use in the connections between PC

boards and PC boards, and PC boards and flexible PC boards, compared to our P4S

series, noise immunity are required.

The molded part has been downsized and made thinner.

Select models best suited to the situation and conditions of use. Read this document

before designing the equipment and starting production.

●Difference between P4S and P4S Shield type

P4S P4S Shield type

Space-saving

◎

Width: 3.6 mm

◎

Width: 3.8 mm

Contact

reliability

◎

Drop

resistance

○

Bellows contact:

Adopted

○

Bellows contact:

Adopted

Mountability

○

Requires dedicated

nozzle

○

Requires dedicated

nozzle

Noise

immunity

―

○

Multi-point ground +

Shield construction

Pin layout

○

Unlimited

△

Ground dedicated

terminal: available

3.6mm

3.8mm

Pickup space:

Narrow

Pickup space:

Narrow

Adopted Adopted

‘‘ that has a

strong resistance to adverse

environments

Bellows contact: Resistant to

drop impacts

V-notch: Resistant to the

entry of foreign materials and

flux.

Ni barrier: Resistant to solder

creep

Porosity treatment: Resistant

to gases

‘‘ that has a

strong resistance to adverse

environments

Bellows contact: Resistant to

drop impacts

V-notch: Resistant to the

entry of foreign materials and

flux.

Ni barrier: Resistant to solder

creep

Porosity treatment: Resistant

to gases

Operation manual for Narrow-pitch connectors P4S Shield type

Panasonic Corporation

industrial.panasonic.com/ac/e/

©Panasonic Corporation 2017 ACCTF24E-1 201710

02. Precautions for equipment design

02-1. Precautions for mechanical design

1) Position of connectors on a board

(1)When using board to board connectors, a pair of board shall NOT be connected

with multiple connectors. Otherwise, misaligned connector positions may cause

mating failure or product breakage.

Panasonic corporation does not guarantee the failures caused by using the multiple

connectors.

(2)Solid board is tend to warp to vertical direction against mill direction of

production process. Some warp directions can cause poor soldering. Therefore,

arrange the board in a direction that can minimize warp.

This gap causes poor

soldering.

Tendency to warp easily to

production direction (horizontal direction)

It is possible to prevent poor soldering

by the arrangement of mounting

connector on the horizontal direction.

Operation manual for Narrow-pitch connectors P4S Shield type

Panasonic Corporation

industrial.panasonic.com/ac/e/

©Panasonic Corporation 2017 ACCTF24E-1 201710

2) Position of connectors during mounting

When using a multiple-pin connector, it is preferable that the connector be placed

in a position that does not require swing motion of the mounter during pickup and

mounting. The inertial force of the swing motion of mounter often displaces the

connectors so that connector arrangement without swing operation is required.

●Connector arrangement with swing motion (rotation) during picking up and mounting

Pickup positions

Connector

Embossed tape

Main board

No inertial force

during mounting

Connector

Inertial force during

mounting

Operation manual for Narrow-pitch connectors P4S Shield type

Panasonic Corporation

industrial.panasonic.com/ac/e/

©Panasonic Corporation 2017 ACCTF24E-1 201710

3) Prevention of problems during equipment operations

(1) Although this product is equipped with a simple locking mechanism, insert

cushioning material in the equipment enclosure in order to prevent the header

from being detached from the socket or damaged during operation.

- Please consider that there should be no gap between the enclosure and the board.

- It is recommended that holding force to the sub board be bigger than connector

insertion force.

- With regard to the cushioning material, select an appropriate shape, size and

material and position the center of the connector.（Unbalanced control causes

unmating.)

(2) When the board fixation is not enough as the lower chart , the connector is

affected by the load of the inertial force and might be damaged.

Please consider as follows.

Shock of fall

(1) If the both boards are not fixed sufficiently,

the connector is affected by the shock and

might be damaged.

(2)

If there is no gap between enclosure and sub

board （A＜B）

, the sub board strikes against

the enclosure. Due to the impact of its strike,

the connector is affected and might be

damaged.

Please fix the both main and sub-board

sufficiently

(1) Fix the main board

(Fix the side that has the larger mass and

prevent the inertial motion of drop impact.)

(2) Hold with object such as rubber cushion

not to move by the drop impact.

(3) Guide of the board is to be A≧B, to

prevent the damage of the gap made by drop

impact.

A<B

○

≧

Sub-board

(FPC)

Connector

Enclosure

Main board

(not fixed)

Connector

Enclosure

Main board

(fixed)

Object to hold

Sub-board

(FPC

)

Support plate

Main board

Enclosure

Flexible PC

board

Connector

Cushioning material

Operation manual for Narrow-pitch connectors P4S Shield type

Panasonic Corporation

industrial.panasonic.com/ac/e/

©Panasonic Corporation 2017 ACCTF24E-1 201710

(3) For an easier connecting operation, it is recommended that the main board

be designed as follows:

- Provide a positioning mark.

- Place the connector in a position where a connector mating operation can be

easily checked.

Flexible PC board

Support plate

Main board

Positioning mark

-silk screening printing

-pattern (copper leaf)

・Positioning mark example

Operation manual for Narrow-pitch connectors P4S Shield type

Panasonic Corporation

industrial.panasonic.com/ac/e/

©Panasonic Corporation 2017 ACCTF24E-1 201710

02-2. Board design

1) Circuit design

(1) Since this connector has multi-point ground construction, there is a dedicated

ground terminal.

When designing the terminal foot pattern, check the latest specifications and

examine the recommended foot pattern and dimensions of the metal mask opening.

Current recommendations are indicated on pages 13, 14 and 15.

(2) This connector is provided with a soldering terminal piece for preventing solder from

peeling off the terminal.

Make sure to design a foot pattern for the soldering terminal piece.

(3) Foot pattern arrangement in consideration for mounting

On the header, an area where through-holes are prohibited is indicated on the

underside of the connector. Make sure to note this area.

Since the terminal soldering face is configured to extend to the bottom face of

the molded part, a defect that cannot be reworked occurs if a solder bridge is

created on this part.

To lead out the pattern by a through-hole using the bottom face of the connector,

design by referring to the drawing below.

Socket

Header

Soldering terminal

Because of the small gap in this

area, soldering bridge may be

occurred by much solder and its

creeping.

When considering designing the

through holes under the

connector, it is recommended that

the pattern be thin in prohibited

area and through holes not be

placed in the prohibited area. It is

general that the pattern length of

this part be approx. one third

against the width of patterns for

contact.

Cross section view

Top view

The area where

through holes

are prohibited

Soldering terminal

Ground terminal

Operation manual for Narrow-pitch connectors P4S Shield type

Panasonic Corporation

industrial.panasonic.com/ac/e/

©Panasonic Corporation 2017 ACCTF24E-1 201710

(4) Precautions for placing a through hole in prohibited area.

Header is constructed as shown in below, the post is extended to the bottom of

body and metal part of the terminal is exposed horizontally on the area from the

post on the bottom of body to the middle of foot pattern. Therefore, take the

following precautions.

①When placing the through holes that are not isolated, it is recommended that

the through holes not be interfered in contiguous contacts.

②Ｉt is recommended that the patterns not be interfered in contiguous contacts.

(5) Precautions for placing isolated through holes in prohibited area.

Header is constructed as shown in below, the post is extended to the bottom of

body and metal part of the terminal is exposed horizontally on the arm from the

post on the bottom of body to the middle of foot pattern. If an isolated through

hole is placed in prohibited area, the gap between pattern and contacts may

become too wide so that poor soldering may be occurred.

①

interference in

contiguous contacts

②

interference in

contiguous

contacts

Pulling out straight

not to interferer

Because of the wider

gap, poor soldering

may be occurred.

●It is recommended that through hole be placed close to the center, not in prohibited area.

There is the 50 μm gap

between bottom of

body and connection.

The bump between

bottom of body and

contacts terminal

absorb the gap of

through hole plating.

Cross section

view

Top view

The area where

through holes

are prohibited

When pulling out the isolated pattern,

do not touch the contiguous contacts.

●When through hole is located in prohibited area,

Cross

section

view

Operation manual for Narrow-pitch connectors P4S Shield type

Panasonic Corporation

industrial.panasonic.com/ac/e/

©Panasonic Corporation 2017 ACCTF24E-1 201710

(6) Please consider the following points when providing a through hole by extending

the foot pattern.

If a through-hole is created simply by extending

the foot pattern by the same width, solder is

absorbed into the through-hole during the reflow

process, which may cause defective soldering of

the terminals.

①Thin and extend the tip of the foot

pattern before creating a through-hole.

②Prevent solder from reaching the land

by using a cover lay or resist.

(7) Please consider the following point as a pattern

peeling preventive measure when removing the

connector.

- Make the foot pattern length longer than the

coverlay opening.

In general, at least 0.3 mm.

(8) Foot pattern dimensions indicated in the specification

intended to achieve the minimum area on the premise

that the reflow-soldering process is used. For manual

soldering or for ensuring solder reworkability, make

a longer pattern at the terminal tip.

In general, 1/3 the

terminal pattern

width.

- Secure space for applying the soldering

iron tip.

Terminal looseness and unwanted

solder creep are preventable by

applying the soldering iron tip here.

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