79
Surface Mount Fuses
©2008 Littelfuse, Inc.
Revision: May 27, 2008
154 Series
NANO
2®
> 154 Series OMNI-BLOK
®
Fuse and Holder Combination
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/154.html for current information.
154 Series OMNI-BLOK
®
Fuse and Fuse Holder
Description
The RoHS Compliant 154 Series OMNI-BLOK
®
offers a
solution for efficient installation and easy replacement of
miniature Nano
2®
surface mount fuses.
Offered in a tape and reel package, this fuse holder and
fuse combination can be installed on a PC board as an
efficient single step. Fuse replacement is accomplished
without exposing the PC board to the detrimental effects
of solder heat.
The fuse holder unit may be sold as a stand alone item,
shipped in bulk quantity (not pre-packaged in tape and reel
cartridges) using part number 01550900. Please contact
Littelfuse for additional information.
Agency Approvals
AGENCY
AGENCY FILE
NUMBER
AMPERE RANGE
®
06NK10064
0154 series .062A - 10A /
0154 T series .375A - 5A
®
CSA 6225
0154 series .062A - 10A /
0154 T series .375A - 5A
PS
E
UL E147211
0154 series 1A - 10A/
0154 T series: 1A - 5A
Features
RoHS
®
PS
E
Recognized under the Components Program of
Underwriters Laboratories and Certified by CSA.
Approved by METI from 1 through 5 amperes.
®
t&BTZGVTFSFQMBDFNFOU
t.JOJBUVSFTJ[F
t3P)4DPNQMJBOU
t7FSZGBTUBDUJOHBOEUJNF
lag options available
t )PMEFSTJ[FEUPmUBSBOHF
of Nano
2®
type fuses
t -PXGVTFUFNQFSBUVSF
de-rating
t 8JEFSBOHFPGDVSSFOU
rating available
- Fast-Acting: 62mA-10A
- Slo-Blo
®
: 375mA-5A
t 8JEFPQFSBUJOH
temperature range
t )FBUSFTJTUBOUGVTFIPMEFS
UL94 V-0
Ordering Information
Catalog
Number
Ampere
Rating
Amp
Code
Fuse
Furnished
*
0154.062 1/16 .062 0451.062
0154.125 1/8 .125 0451.125
0154.250 1/4 .250 0453.250
0154.375 3/8 .375 0453.375
0154.500 1/2 .500 0453.500
0154.750 3/4 .750 0453.750
0154001. 1 001. 0453001.
015401.5 1.5 01.5 045301.5
0154002. 2 002. 0453002.
015402.5 2.5 02.5 045302.5
0154003. 3 003. 0453003.
015403.5 3.5 03.5 045303.5
0154004. 4 004. 0453004.
0154005. 5 005. 0453005.
015406.3 6.3 06.3 0453006.
0154007. 7 007. 0453007.
0154008. 8 008. 0453008.
0154010. 10 010. 0453010.
With Very Fast-Acting Fuse Installed
Catalog
Number
Ampere
Rating
Amp
Code
Fuse
Furnished
*
0154.375T 3/8 .062 0454.375
0154.500T 1/2 .500 0454.500
0154.750T 3/4 .750 0454.750
0154001.T 1 001. 0454001.
015401.5T 11/2 01.5 045401.5
0154002.T 2 002. 0454002.
015402.5T 21/2 02.5 045402.5
0154003.T 3 003. 0454003.
015403.5T 31/2 03.5 045403.5
0154004.T 4 004. 0454004.
0154005.T 5 005. 0454005.
With Time Lag (Slo-Blo
®
) Fuse Installed
* The 453 and 454 Series fuses identified above have silver plated end caps,
designed to accommodate solder reflow processes:
For 453 Series fuse replacement, either 451, 453 or 448 Series may be used.
For 454 Series fuse replacement, either 452, 454 or 449 Series may be used.
For detailed operating characteristic and performance information for each
of the fuse series mentioned above, please refer to their respective data
available online at www.littelfuse.com.
80
Revision: May 27, 2008
Surface Mount Fuses
©2008 Littelfuse, Inc.
154 Series
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/154.html for current information.
NANO
2®
> 154 Series OMNI-BLOK
®
Fuse and Holder Combination
L
F
7 A
L
F
3.81
(.150")
2.13
(.084")
REF.
10.62
(.418")
4.24
(.167")
9.73
(.383") REF.
3.81
(.150")
5.03
(.198")
1
5
5
FUSE
Recommended Pad Layout
Dimensions
Packaging
Part Numbering System
Packaging Option Packaging Specification Quantity
Quantity &
Packaging Code
Reel Pack EIA RS-481-2 (IEC 286, part 3) 1500 DR
Reflow Condition
Sn-Pb Eutectic
Assembly
Pre Heat
- Temperature Min (T
s(min)
) 100°C
- Temperature Max (T
s(max)
) 150°C
- Time (Min to Max) (T
s
) 60 – 120 secs
Average ramp up rate (Liquidus Temp
(T
L
) to peak
3°C/second max
Reflow
- Temperature (T
L
) (Liquidus) 183°C
- Time (t
L
) 60 – 90 seconds
Peak Temperature (T
P
) 225
+0/-5
°C
Time within 5°C of actual peak
Temperature (t
p
)
10 – 30 seconds
Ramp-down Rate 6°C/second Max
Time 25°C to peak Temperature (T
P
) 6 minutes Max.
Do not exceed 230°C
Soldering Parameters
0154 001. D R T
SERIES
AMP Code
QUANTITY Code
PACKAGING Code
Refer to Ordering information
section on previous page.
D = 1500 pcs
R = Tape and Reel
Example:
1.5 amp product is
0443 01.5 D R (5 amp
product shown above).
TYPE Code
T = Time Lag (Slo-Blo
®
)
