Littelfuse 430 Series - Manual (Page 2)

20
Revision: February 19, 2008
Surface Mount Fuses
©2008 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com for the most current information
Thin Film > 1206 Size > Slo Blo ® > 430 Series
430 Series
Average Time Current Curves
TIME IN SECONDS
CURRENT IN AMPERES
0.01
0.1
0.1
1
1
10
100
10 100
0.001
.5A 1A 1.5A 2A 3A
Reflow Condition 1C
o
'SFF
BTTFNCMZ
Pre Heat
- Temperature Min (T
s(min)
) 150°C
- Temperature Max (T
s(max)
) 200°C
- Time (Min to Max) (t
s
) 
o

TFDT
Average ramp up rate (Liquidus Temp
(T
L
) to peak
¡$TFDPOE
NBY
T
S(max)
to T
L
- Ramp-up Rate ¡$TFDPOE
NBY
Reflow
- Temperature (T
L
) (Liquidus) ¡$

- Temperature (t
L
) 
o

TFDPOET
Peak Temperature (T
P
) 250 +0/-5 °C
Time within 5°C of actual peak
Temperature (t
p
)

o

TFDPOET
Ramp-down Rate ¡$TFDPOE
NBY
Time 25°C to peak Temperature (T
P
) 
NJOVUFT
.BY
Do not exceed 260°C
Soldering Parameters - Wave Soldering
Temperature Rerating Curve