Chapter 34 Recommended Soldering Conditions - NEC 78K0 User Manual

CHAPTER 34 RECOMMENDED SOLDERING CONDITIONS

These products should be soldered and mounted under the following recommended conditions.
For soldering methods and conditions other than those recommended below, please contact an NEC Electronics
sales representative.
For technical information, see the following website.
Semiconductor Device Mount Manual (http://www.necel.com/pkg/en/mount/index.html)
Table 34-1. Surface Mounting Type Soldering Conditions (1/3)
(1) 80-pin plastic QFP (14 × 14)
µ
PD780143GC-×××-8BT, 780144GC-×××-8BT, 780146GC-×××-8BT,
µ
PD 780143GC(A)-×××-8BT, 780144GC(A)-×××-8BT, 780146GC(A)-×××-8BT, 780148GC(A)-×××-8BT,
µ
PD
780143GC(A1)-×××-8BT, 780144GC(A1)-×××-8BT, 780146GC(A1)-×××-8BT, 780148GC(A1)-×××-8BT,
µ
PD
780143GC(A2)-×××-8BT, 780144GC(A2)-×××-8BT, 780146GC(A2)-×××-8BT, 780148GC(A2)-×××-8BT,
µ
PD
78F0148M1GC-8BT, 78F0148M2GC-8BT, 78F0148M3GC-8BT, 78F0148M4GC-8BT, 78F0148M5GC-8BT,
µ
PD
78F0148M6GC-8BT, 78F0148M1GC(A)-8BT, 78F0148M2GC(A)-8BT, 78F0148M3GC(A)-8BT,
µ
PD
78F0148M4GC(A)-8BT, 78F0148M5GC(A)-8BT, 78F0148M6GC(A)-8BT, 78F0148M1GC(A1)-8BT,
µ
PD 78F0148M2GC(A1)-8BT, 78F0148M5GC(A1)-8BT, 78F0148M6GC(A1)-8BT
Soldering Method
Package peak temperature: 235°C, Time: 30 seconds max. (at 210°C or higher),
Infrared reflow
Count: 2 times or less, Exposure limit: 7 days
10 hours)
Package peak temperature: 215°C, Time: 40 seconds max. (at 200°C or higher),
VPS
Count: 2 times or less, Exposure limit: 7 days
10 hours)
Solder bath temperature: 260°C max., Time: 10 seconds max., Count: Once,
Wave soldering
Preheating temperature: 120°C max. (package surface temperature), Exposure
limit: 7 days
Pin temperature: 300°C max., Time: 3 seconds max. (per pin row)
Partial heating
Note After opening the dry pack, store it at 25°C or less and 65% RH or less for the allowable storage period.
Caution Do not use different soldering methods together (except for partial heating).
Soldering Conditions
*
Note
(after that, prebake at 125°C for 10 hours)
User's Manual U15947EJ2V0UD
780148GC-×××-8BT,
Note
(after that, prebake at 125°C for
Note
(after that, prebake at 125°C for
Recommended
Condition Symbol
IR35-107-2
VP15-107-2
WS60-107-1
−
593