Datasheet > LQH2HPN6R8MGR#

LQH2HPN6R8MGR#

更新时间： 2023-09-03 20:28:15

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村田 - MURATA		/
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LQH2HPN6R8MGR# 数据手册

Spec No.: JELF243A_0103S-01

P7/9

12.4 Reworking with soldering iron

The following requirements must be met to rework a soldered product using a soldering iron.

Item

Requirement

150°C/approx. 1 min

350°C max.

Pre-heating

Tip temperature of soldering iron

Power consumption of soldering iron

Tip diameter of soldering iron

Soldering time

80 W max.

ø3 mm max.

3 s (+1 s, -0 s)

1 time max.

Number of reworking operations

* Avoid a direct contact of the tip of the soldering iron with the product. Such a

direction contact may cause cracks in the ceramic body due to thermal shock.

12.5 Solder volume

Solder shall be used not to increase the volume too much.

An increased solder volume increases mechanical stress on the product. Exceeding solder volume may cause the failure of

mechanical or electrical performance.

12.6 Product's location

The following shall be considered when designing and laying out PCBs.

(1) PCB shall be designed so that products are not subject to mechanical stress due to warping the board.

[Products direction]

Products shall be located in the sideways direction to the mechanical stress.

Electrode

(Good example)

(Poor example)

Electrode

(2) Components location on PCB separation

It is effective to implement the following measures, to reduce stress in separating the board.

It is best to implement all of the following three measures; however, implement as many measures as possible to reduce

stress.

Contents of measures

Stress level

A > D^*1

A > B

(1) Turn the mounting direction of the component parallel to the

board separation surface.

(2) Add slits in the board separation part.

(3) Keep the mounting position of the component away from the

board separation surface.

A > C

*1 A > D is valid when stress is added vertically to the perforation as with hand separation.

If a cutting disc is used, stress will be diagonal to the PCB, therefore A > D is invalid.

Perforation

Electrode

Slit

Electrode

(3) Mounting components near screw holes

When a component is mounted near a screw hole, it may be affected by the board deflection that occurs during the

tightening of the screw.

Mount the component in a position as far away from the screw holes as possible.

MURATA MFG CO., LTD

1...4 5 678 9

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