SMAFJ datasheet(3/4 Pages) LEIDITECH

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Reflow Condition

Pre Heat

Temp. min (Ts(min))

150°C

Temp. max (Ts(max))

200°C

Time (min to max) (ts)

60-190 s

Average ramp up rate (Liquidus Temp.)

(TL) to peak

3°C/s max

Ts(max) to TL - Ramp-up Rate

3°C/s max

Reflow

Temperature (TL) (Liquidus) 217°C

Temperature (tL)

60-150 s

Peak Temperature (TP)

260+0/-5 °C

Time within actual peak Temperature

(tp)

20-40 s

Ramp-down Rate

5°C/s max

Time 25°C to peak Temperature (TP)

8 minutes max

Do not exceed

260°C

Typical Characteristics

Figure 1: Peak Pulse Power Rating Curve

Figure 2: Pulse Derating Curve

110

100

td – Pulse Width - µs

Ambient Temperature - TA (℃)

Figure 3: Pulse Waveform

Figure 4: Maximum Non-Repetitive

Forward Surge Current Only Unidirectional

150

100

180

160

140

120

100

1.0

2.0

t - Time (ms)

3.0

4.0

Number of Cycles at 60HZ

100

Recommended Soldering Parameters

600W 10/1000µs

Waveform

Tj =25℃

Pulse Width(td ) is

defined as the point

where the peak current

decays to 50% of IPP M

tr =10µs– Rise Time

IPPM –Peak Value

IPPM /2– Half Value

10/1000µs

Waveform as

defined by

R.E.A

td – Pulse Width

SMAFJ Series 600W Transient Voltage Suppressor

Rev :

www.leiditech.com

01.06.2018

3/4

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