Surface Mount Fuses
NANO
2®
> 154 OMNI-BLOK
®
Fuse and Holder Combination
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)
- Temperature (t
L
)
Pb – Free assembly
150°C
60 – 120 seconds
5°C/second max.
5°C/second max.
217°C
60 – 90 seconds
260
+0/–5
°C
20 – 40 seconds
5°C/second max.
8 minutes max.
260°C
25
time to peak temperature
(t 25ºC to peak)
T
P
T
L
t
P
Ramp-up
Critical Zone
T
L
to T
P
Temperature
200°C
T
S(max)
T
S(min)
Preheat
t
L
Ramp-down
t
S
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
Product Characteristics
Operating
Temperature
-55ºC to 125ºC
Dimensions
1
5
5
Part Numbering System
F
L
0154 001. D R T L
SERIES
AmP Code
FUSE
7A
9.73
(.383") REF.
L
F
Refer to Ordering information
section on previous page.
D = 1500 pcs
3.81
(.150")
5.03
(.198")
QuANTITy Code
PACkAgINg Code
R = Tape and Reel
TyPE Code
2.13
(.084")
REF.
10.62
(.418")
3.81
(.150")
4.24
(.167")
T = Time-Lag (Slo-Blo
®
)
“L suffix for
”
Black Color Holder
Example:
1.5 amp Fast-acting
product is 015401.5DR.
1.5 amp Time-lag product
is 015401.5DRT.
(1 amp product shown
above).
Recommended Pad Layout
Packaging
Packaging Option
Reel Pack
Packaging Specification
EIA RS–481–2 (IEC 286, part 3)
Quantity
1500
Quantity &
Packaging Code
DR
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 05/02/13
LITTELFUSE [ LITTELFUSE ]
