SMF datasheet(5/5 Pages) LEIDITECH

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SOLDERING PARAMETERS

Reflow Condition

Pb-Free assembly

(see FIG.5)

Pre

Heat

-Temperature Min (Ts(min))

+150℃

-Temperature Max(Ts(max))

+200℃

-Time (Min to Max) (ts)

60-180 secs.

Average ramp up rate (Liquid us Temp

(TL) to peak)

3℃/sec. Max

Ts(max) to TL - Ramp-up Rate

3℃/sec. Max

Reflow

-Temperature(TL)(Liquid us)

+217℃

-Temperature(tL)

60-150 secs.

Peak Temp (Tp)

+260(+0/-5)℃

Time within 5℃ of actual Peak Temp (tp)

30 secs. Max

Ramp-down Rate

6℃/sec. Max

Time 25℃ to Peak Temp (TP)

8 min. Max

Do not exceed

+260℃

PACKAGE MECHANICAL DATA

Dimensions

Millimeters

Inches

Ref.

Min.

0.90

0.70

0.10

1.50

2.36

2.50

SOD-123FL

4.19

Max.

1.00

0.10

1.10

0.20

1.80

2.90

Min.

0.035

0.028

0.004

0.059

0.098

0.093

0.165

Max.

0.039

0.004

0.043

0.008

0.071

0.114

3.40

0.95

0.134

0.037

3.80

0.55

8°

0.150

0.022

FIG.5: Reflow condition

TS(min)

TS(max)

time to peak temperatue

Time

(t 25

to peak)

℃

Ramp-up

Ramp-down

Preheat

Critical Zone

TL to TP

SMF Series 200W Transient Voltage Suppressor

Shanghai Leiditech Electronic Co.,Ltd

Email: sale1@leiditech.com

Tel : +86- 021 50828806

Fax : +86- 021 50477059

Rev :

www.leiditech.com

01.06.2018

5/5

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