204

Revised: June 21, 2011 04:14 PM

©2011 Littelfuse, Inc

Specifications are subject to change without notice.

Please refer to http://www.littelfuse.com for current information.

EV Series 1.5 Amp Sensitive SCRs

Sx02xS Series

Soldering Parameters

Reflow Condition

Pb – Free assembly

Pre Heat

-Temperature Min (T

150°C

-Temperature Max (T

200°C

-Time (min to max) (t

60 – 180 secs

Average ramp up rate (LiquidusTemp)

(T

5°C/second max

T

5°C/second max

Reflow

-Temperature (T

217°C

-Time (min to max) (t

60 – 150 seconds

PeakTemperature (T

Time within 5°C of actual peak

Temperature (t

20 – 40 seconds

Ramp-down Rate

5°C/second max

Time 25°C to peakTemperature (T

8 minutes Max.

Do not exceed

280°C

12

3

45 6 7 89 10

20

30 40 60 80 100

200

300 400 600

1000

2

3

4

5

6

7

8

9

10

12

15

20

Surge Current Duration – Full Cycle

1

1.5 A

Devices

Figure 6: Surge Peak On-State Current vs. Number of Cycles

Supply Frequency: 60Hz Sinusoidal

Load: Resistive

RMS On-State Current [I

Specific Case Temperature

Notes:

1. Gate control may be lost during and immediately

following surge current interval.

2. Overload may not be repeated until junction

temperature has returned to steady-state rated value.

Time

25

time to peak temperature

Preheat

Preheat

Ramp-up

Ramp-up

Ramp-down

Ramp-do