PVZ2/PVA2 Series Notice

Continued from the preceding page.

t3

t2

T3

T2

T5

T4

T1

Time (s)

t1

1. Soldering profile for lead free solder (96.5Sn/3.0Ag/0.5Cu)

Standard Profile

Pre-heating

Heating

Cycle of

Reflow

Time

°C

Series

PVZ2

PVA2

Temp. (T1)

°C

Time (t1)

sec.

Temp. (T2)

°C

Time (t2)

sec.

Pre-heating

Heating

Cycle of

Reflow

Time

°C

Temp. (T1)

°C

Time (t1)

sec.

Temp. (T4)

°C

Time (t3)

sec.

Limit Profile

2

2

245±3

245±3

150 to 180

150 to 180

60 to 120

60 to 120

220

220

30 to 60

30 to 60

2

2

260

260 +5/-0

150 to 180

150 to 180

60 to 120

60 to 120

220

220

30 to 60

30 to 60

Limit Profile

Standard Profile

Standard Profile

Pre-heating

Heating

Cycle of

Reflow

Time

°C

Series

PVZ2

PVA2

Temp. (T1)

°C

Time (t1)

sec.

Temp. (T2)

°C

Time (t2)

sec.

1

230

150

60 to 120

183

30

time (s)

Standard Profile

t1

T1

t2

T3

T2

2. Soldering profile for Eutectic solder (63Sn/37Pb)

(Limit profile: refer to 1)

Standard Condition

Series

PVZ2

PVA2

Temperature of Soldering Iron Tip

Soldering Time

Soldering Iron Power Output

350±10

3 max.

30 max.

1

Cycle of Soldering Iron

°C

sec.

W

Time

Reflow Soldering Profile

Soldering Iron

Peak

Temperature

(T3)

Peak

Temperature

(T5)

Peak

Temperature

(T3)

c Soldering Profile

c Notice (Handling)

c 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 cannot guarantee trimmer potentiometer

integrity when used under conditions other than

those specified in this document.

1. Use suitable screwdrivers that fit comfortably in the

driver slot. We recommend the screwdriver below.

* Recommended screwdriver for manual adjustment

Murata P/N: KMDR190

2. The screwdriver should be set in the products

vertically, do not apply more than 4.9N (Ref. 500gf)

of twist and stress after mounting 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 trimmer potentiometer does not have a

mechanical stop for over rotation. In cases out of

effective rotational angle, the trimmer

potentiometer may not function.

4. When using a lock paint to fix the slot position or

cover the rotor, please evaluate performance with

your product. Lock paint may cause corrosion or

electrical contact problems.

R50E.pdf

Jul.23,2012

9

• This catalog has only typical specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering.

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