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V1.0

23/02/24

Single Bipolar Transistor

Newark.com/multicomp-pro

Farnell.com/multicomp-pro

sg.element14.com/b/multicomp-pro

The Recommended solder Profile For Devices with 

Pb-free terminal plating where a Pb-free solder is used

The Recommended solder Profile For Devices with Pb-free

terminal plating used with leaded solder, or for devices with

leaded terminal plating used with leaded solder

Wave Profiles in Tabular Form

Profile Feature

Sn-Pb System

Pb-Free System

Average Ramp-Up Rate

~200°C/second

~200°C/second

Heating rate during preheat

Typical 1-2, Max 4°C/sec

Typical 1-2, Max 4°C/Sec

Final preheat Temperature

Within 125°C of Solder Temp Within 125°C of Solder Temp

Peak Temperature

235°C

260°C max.

Time within +0 -5°C of actual Peak

10 seconds

10 seconds

Ramp-Down Rate

5°C/second max.

5°C/second max.

Recommended Wave Solder Profiles

Typical Characteristics Curves