PVM4 Series Notice

32

5

• This catalog has only typical specifications because there is no space for detailed specifications. Therefore, please approve our product specification or transact the approval sheet for product specification before ordering.

Continued from the preceding page.

In case of the mixed conditions with hot dipping

and ultrasonic washing, the cleaning time by hot

dipping shall be less than 1 minutes and the

cleaning time by ultrasonic washing shall be

less than 1 minutes. In case of the mixed

conditions with hot dipping, ultrasonic washing

and vaper, the cleaning time by hot dipping

shall be less than 1 minutes, the cleaning time

by ultrasonic washing shall be less than 30

seconds and the cleaning time by vaper shall be

less than 30 seconds.

If the trimmer potentiometer is cleaned by

other conditions,the sealing construction may

be damaged. Due to the ultra-sonic cleaning

equipment peculiar self resonance point and the

cleaning compatibility usually depends on the

jig construction and/or the cleaning condition

such as the depth of immersion, please check

the cleaning equipment to determine the

suitable conditions.

If the trimmer potentiometer is cleaned by

other conditions, the trimmer potentiometer may

be damaged.

s Flow Soldering Standard Profile

250

200

100

0

60~120 sec.

5 sec. max.

Time

For flow soldering

Pre-heating(in the air)

Soldering

Gradual Cooling

(in the air)

s Reflow Soldering Standard Profile

230

200

100

0

60~120 sec.

30 sec. max.

(Melting zone)

Time

For reflow soldering

Pre-heating(in the air)

Soldering

Gradual Cooling

(in the air)

s Notice (Handling)

1. Use suitable screwdrivers that fit comfortably in

driver slot. We recommend the below screwdriver.

* Recommended screwdriver for manual adjustment

VESSEL MFG.: NO. 9000-2.6x30

(Murata P/N : KMDR120)

We can supply above screwdrivers.

If you place order, please nominate Murata P/N.

2. Don't apply more than 4.9N (Ref.; 500gf) of twist

and stress after mounted onto PCB to prevent

contact intermittence. If excessive force is

applied, the trimmer potentiometer may not

function.

3. Please use within the effective rotational angle.

The potentiometer dose not have a mechanical stop

for over rotation. In case out of effective

rotational angle, the trimmer potentiometer may

not function.

4. When using a lock paint to fix slot position,

please use adhesive resin without chlorine or

sulfur (Three-bond "1401series").

s Notice (Other)

1. Please make sure that your product has been

evaluated and confirmed against your

specifications when our product is mounted to your

product.

2. Murata connot guarantee trimmer potentiometer

integrity when used under conditions other than

those specified in this document.

Please read rating and !CAUTION (for storage and operating, rating, soldering and mounting, handling) in this PDF catalog to prevent smoking and/or burning, etc.

This catalog has only typical specifications. Therefore, you are requested to approve our product specification or to transact the approval sheet for product specificaion before ordering.

!Note

R50E12.pdf 02.9.5