Surface Mount Fuses
Introduction to Circuit Protection
NANO2® > 154 OMNI-BLOK® Fuse and HolderTrCaonmsibeintaotliogny
Soldering Parameters
tP
Reflow Condition
- Temperature Min (T
Pb – Free assembly
TP
Critical Zone
L to TP
Ramp-up
T
)
£xäcꢇÊ
s(min)
TL
tL
Pre Heat - Temperature Max (T
)
Óääcꢇ
TS(max)
s(max)
- Time (Min to Max) (ts)
60 – 120 seconds
Ramp-down
Preheat
Average Ramp-up Rate (Liquidus Temp
(TL) to peak)
TS(min)
xcꢇÉÃiV`Ê>Ý°
xcꢇÉÃiV`Ê>Ý°
tS
TS(max) to TL - Ramp-up Rate
25
- Temperature (TL) (Liquidus) Ó£ÇcꢇÊ
time to peak temperature
(t 25ºC to peak)
Time
Reflow
- Temperature (tL)
60 – 90 seconds
Peak Temperature (TP)
250³äÉxÊcꢇ
Time within 5°C of actual peak
Temperature (tp)
20 – 40 seconds
Product Characteristics
Operating
Ramp-down Rate
xcꢇÉÃiV`Ê>Ý°
8 minutes max.
ÓÈäcꢇ
Time 25°C to peak Temperature (TP)
Do not exceed
-55ºC to 125ºC
Temperature
Dimensions
Part Numbering System
0154 001. D R T L
F
L
7 A
SERIES
AMP Code
9.73
(.383") REF.
Refer to Ordering information
FUSE
section on previous page.
3.81
(.150")
QUANTITY Code
D = 1500 pcs
5.03
(.198")
PACKAGING Code
R = Tape and Reel
Example:
1.5 amp Fast-acting
product is 015401.5DR.
TYPE Code
T = Time-Lag (Slo-Blo®)
3.81
(.150")
1.5 amp Time-lag product
is 015401.5DRT.
2.13
(.084")
REF.
“L” suffix for
4.24
(.167")
Black Color Holder
(1 amp product shown
above).
10.62
(.418")
Recommended Pad Layout
Packaging
Quantity &
Packaging Option
Reel Pack
Packaging Specification
Quantity
1500
Packaging Code
EIA RS–481–2 (IEC 286, part 3)
DR
© 2009 Littelfuse, Inc.
154 Series
94
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/154.html
or /154T.html for current information.