MB3771 datasheet(21/24 Pages) CYPRESS

21 / 24 page

MB3771

Document Number: 002-08511 Rev. *A

Page 21 of 24

15. MB3771PF-

❏❏❏E1 Recommended Conditions of Moisture Sensitivity Level

[Temperature Profile for FJ Standard IR Reflow]

1. IR (infrared reflow)

2. Manual soldering (partial heating method)

Conditions : Temperature 400°C MAX

Times

: 5 s max/pin

Item

Condition

Mounting Method

IR (infrared reflow) , Manual soldering (partial heating method)

Mounting times

2 times

Storage period

Before opening

Please use it within two years after

Manufacture.

From opening to the 2nd

reflow

Less than 8 days

When the storage period after

opening was exceeded

Please processes within 8 days

after baking (125°C, 24H)

Storage conditions

5°C to 30°C, 70%RH or less (the lowest possible humidity)

260

°C

(e)

(d')

(d)

255

°C

220

°C

170

°C

190

°C

(b)

(a)

(c)

Note : Temperature : the top of the package body

(a) Temperature Increase gradient : Average 1°C/s to 4°C/s

(b) Preliminary heating

: Temperature 170°C to 190°C, 60s to 180s

(d) Actual heating

: Temperature 260°C MAX; 255°C or more, 10s or less

(d’) Main heating

: Temperature 230°C or more, 40s or less

Temperature 225°C or more, 60s or less

Temperature 220°C or more, 80s or less

(e) Cooling

: Natural cooling or forced cooling

H rank : 260°C Max.

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