µPC4744

8

Data Sheet G13959EJ2V0DS

RECOMMENDED SOLDERING CONDITIONS

The

µPC4744 should be soldered and mounted under the following recommended conditions.

For soldering methods and conditions other than those recommended below, 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)

Type of Surface Mount Device

µPC4744G2: 14-pin plastic SOP (5.72 mm (225))

Process

Conditions

Symbol

Infrared Ray Reflow

Peak temperature: 230

°C or below (Package surface temperature),

IR30-00-1

Reflow time: 30 seconds or less (at 210

°C or higher),

Maximum number of reflow processes: 1 time.

Vapor Phase Soldering

Peak temperature: 215

°C or below (Package surface temperature),

VP15-00-1

Reflow time: 40 seconds or less (at 200

°C or higher),

Maximum number of reflow processes: 1 time.

Wave Soldering

Solder temperature: 260

°C or below, Flow time: 10 seconds or less,

WS60-00-1

Maximum number of flow processes: 1 time,

Pre-heating temperature: 120

°C or below (Package surface temperature).

Partial Heating Method

Pin temperature: 300

°C or below,

–

Heat time: 3 seconds or less (Per each side of the device).

Caution Apply only one kind of soldering condition to a device, except for “partial heating method”, or

the device will be damaged by heat stress.

Type of Through-hole Device

µPC4744C: 14-pin plastic DIP (7.62 mm (300))

Process

Conditions

Wave Soldering

Solder temperature: 260

°C or below,

(only to leads)

Flow time: 10 seconds or less.

Partial Heating Method

Pin temperature: 300

°C or below,

Heat time: 3 seconds or less (per each lead).

Caution For through-hole device, the wave soldering process must be applied only to leads, and make

sure that the package body does not get jet soldered.