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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

Dimensions : Millimetres

Reflow profiles in tabular form

Profile Feature

Sn-Pb System

Pb-Free System

Average Ramp-Up Rate

~3°C/second

~3°C/second

Preheat

– Temperature Range

– Time

150-170°C

60-180 seconds

150-200°C

60-180 seconds

Time maintained above:

– Temperature

– Time

200°C

30-50 seconds

217°C

60-150 seconds

Peak Temperature

235°C

260°C max.

Time within +0 -5°C of actual Peak

10 seconds

40 seconds

Ramp-Down Rate

3°C/second max.

6°C/second max.

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