Teccor
®
brand Thyristors
EV Series 1 Amp Sensitive Triacs
Figure 7: Surge Peak On-State Current vs. Number of Cycles
20
Peak Surge (Non-repetitive) On-State Current
(I
TSM
) – Amps.
15
12
10
9
8
7
6
5
4
3
Supply Frequency: 60Hz Sinusoidal
Load: Resistive
RMS On-State Current [I
T(RMS)
]: Max Rated Value at 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.
1A
Dev
ices
2
1
1
2
3
4
5
6 7 8 9 10
20
30
40
60 80 100
200
300 400 60 0
1 00 0
Surge Current Duration – Full Cycle
Soldering Parameters
Reflow Condition
- Temperature Min (T
s(min)
)
Pre Heat
- Temperature Max (T
s(max)
)
- Time (min to max) (t
s
)
Average ramp up rate (Liquidus Temp)
(T
L
) to peak
T
S(max)
to T
L
- Ramp-up Rate
Reflow
- Temperature (T
L
) (Liquidus)
- Time (min to max) (t
s
)
Pb – Free assembly
T
P
Temperature
t
P
Ramp-up
150°C
200°C
60 – 180 secs
5°C/second max
5°C/second max
217°C
60 – 150 seconds
260
+0/-5
T
L
T
S(max)
t
L
Preheat
Ramp-do
Ramp-down
T
S(min)
t
S
time to peak temperature
25
Time
Peak Temperature (T
P
)
Time within 5°C of actual peak
Temperature (t
p
)
Ramp-down Rate
Time 25°C to peak Temperature (T
P
)
Do not exceed
°C
20 – 40 seconds
5°C/second max
8 minutes Max.
280°C
L01 Series
46
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.
LITTELFUSE [ LITTELFUSE ]
