02011J8R2ABSTR500 datasheet(24/25 Pages) AVX

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Accu-P

Application Notes

PREHEAT & SOLDERING

The rate of preheat in production should not exceed 4°C/

second and a recommended maximum is about 2°C/second.

Temperature differential from preheat to soldering should not

exceed 100°C.

For further specific application or process advice, please consult

AVX.

COOLING

After soldering, the assembly should preferably be allowed

to cool naturally. In the event of assisted cooling, similar

conditions to those recommended for preheating should be

used.

HAND SOLDERING & REWORK

Hand soldering is permissible. Preheat of the PCB to 150°C is

required. The most preferable technique is to use hot air sol-

dering tools. Where a soldering iron is used, a temperature

controlled model not exceeding 30 watts should be used and

set to not more than 260°C.

CLEANING RECOMMENDATIONS

Care should be taken to ensure that the devices are

thoroughly cleaned of flux residues, especially the space

beneath the device. Such residues may otherwise become

conductive and effectively offer a lossy bypass to the device.

Various recommended cleaning conditions (which must be

optimized for the flux system being used) are as follows:

Cleaning liquids. . . . . . . i-propanol, ethanol, acetylacetone,

water and other standard PCB

cleaning liquids.

Ultrasonic conditions . . power-20w/liter max.

frequency-20kHz to 45kHz.

Temperature . . . . . . . . . 80°C maximum (if not otherwise

limited by chosen solvent system).

Time . . . . . . . . . . . . . . . 5 minutes max.

STORAGE CONDITIONS

Recommended storage conditions for Accu-P

® prior to use

are as follows:

Temperature . . . . . . . . . . 15°C to 35°C

Humidity . . . . . . . . . . . . . ≤65%

Air Pressure . . . . . . . . . . 860mbar to 1060mbar

050118

RECOMMENDED REFLOW

SOLDERING PROFILE

COMPONENTS WITH

SnPb TERMINATIONS

330

260

250

200

150

100

Time

0:00

0:43

1:28

2:10

2:53

3:36

4:19

5:02

5:48

6:29

Peak Temperature = 260ºC

RECOMMENDED REFLOW

SOLDERING PROFILE

LEAD FREE

COMPONENTS WITH

Sn100 TERMINATIONS

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