Cartridge Fuse Blocks
Pb
RoHS
254 Series OMNI-BLOK Molded Base Fuse Block for 2AG Fuses
Product Characteristics
Compatible
2AG
Fuses Size
This low profile Omni-Blok Fuse Block
design is available with a choice of solder
type terminals, Q.C. terminals or P.C. board
mountable terminals. The PCB design is
offered with either tin-plated brass terminals
for normal applications or tin-plated
.190" x .187" deep
beryllium copper terminals for use in caustic
[4.83 x 4.75]
.50" [12.7] typ. environments. These fuse blocks feature
C bore with .050" [1.3]
Description
material remaining
individual barriers which reinforce the fuse
.090" [2.3] REF. DIA. Thru
.110" [2.8] typ.
clips while providing greater protection
against clip damage and electrical shock.
Dimensions [mm]
.190" DIA. X .187" DEEP C' BORE
The unique design permits self-alignment of
.35" [8.9] typ.
Typ. with .050" Typ. material remaining.
clips to fuse cap. This, plus a one-piece clip/
Solder & Q.C. Types:
terminal assures low contact resistance.
Multiple units may be broken apart to obtain
.190" x .187" deep
[4.83 x 4.75] desired number of units.
.50" [12.7] typ.
C bore with .050" [1.3]
.090" REF. DIA. THRU
material remaining
.090" [2.3] REF. DIA. Thru
.110" [2.8] typ.
Rating 400 VAC/DC / 10A
.190" DIA. X .187" DEEP C' BORE
.35" [8.9] typ.
Typ. with .050" Typ. material remaining.
Dielectric
1500V., Minimum
Strength
.450" [11.4]
centers typ.
.090" REF. DIA. THRU
B Tin-Plated Spring Brass, except pn 254121 is
Clip/Terminals
REF.
Tin-Plated Beryllium Copper
.450" [11.4]
Black Thermoplastic, glass reinforced with UL
centers typ. Base
B
V0 flammability rating
REF.
Ambient
40C to +85C
Temperature
Solder type terminals
feature elongated
Solder type terminals
hole on clip
feature elongated
hole on clip
1.22" [30.2]
1.22" [30.2]
REF.
REF.
Agency Approval
.016"
[0.41]
.016"
.53" [13.5]
REF. 45
[0.41]
REF.
Agency Agency File Number
.53" [13.5]
REF. 45
.24" [6.1] REF.
REF.
E14721
.70"
[17.8]
.24" [6.1] REF.
REF.
7316
.70"
[17.8]
REF.
P.C. Board Mount Type
.35" [8.9]
REF.
OPTIONS:
.50" [12.7] 1. Other colors available on special order. Contact factory.
REF.
.35" [8.9]
2. Two different style clips can be supplied for circuit identity or
REF.
.19" [4.8]
REF.
polarization. Contact factory.
.04"
.81"
[1.1]
With 2AG
[20.6]
REF.
fuse installed
REF.
.050"[1.27]
DIA. HOLES
.725"[18.42] .055"[1.40] (2 LOCATIONS)
.735"[18.67]
.50" [12.7]
Additional Information
Recommended Hole Pattern
REF.
.19" [4.8]
REF.
.04"
.81"
[1.1]
With 2AG
[20.6]
REF.
Datasheet Resources Samples
fuse installed
REF.
.050"[1.27]
DIA. HOLES
.725"[18.42]
.055"[1.40] (2 LOCATIONS)
.735"[18.67]
Recommended Hole Pattern
2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Application testing is strongly recommended.
Revised: 01/02/18Cartridge Fuse Blocks
Ordering Information
Ordering NO.* Catalog NO. No. of Poles Width (B) Width [mm] Clip/Terminal Material Packaging Available
Solder Type Terminals
02540001Z 254 001 1 0.35 [8.6] Brass Z
02540002Z 254 002 2 0.875 [22.2] Brass Z
02540003Z 254 003 3 1.31 [33.3] Brass Z
02540004Z 254 004 4 1.75 [44.5] Brass Z
02540005Z 254 005 5 2.18 [55.4] Brass Z
02540006Z 254 006 6 2.62 [66.5] Brass Z
02540007Z 254 007 7 3.06 [77.7] Brass Z
02540008Z 254 008 8 3.50 [88.9] Brass Z
NEMA Style .110 Q.C. Terminals
02540201Z 254 201 1 0.35 [8.6] Brass Z
02540202Z 254 202 2 0.875 [22.2] Brass Z
02540203Z 254 203 3 1.31 [33.3] Brass Z
02540204Z 254 204 4 1.75 [44.5] Brass Z
02540205Z 254 205 5 2.18 [55.4] Brass Z
02540206Z 254 206 6 2.62 [66.5] Brass Z
02540207Z 254 207 7 3.06 [77.7] Brass Z
02540208Z 254 208 8 3.50 [88.9] Brass Z
P.C. Board Mount
02540101Z 254 101 1 0.35 [8.6] Brass Z
02540121Z 254 121 1 0.35 [8.6] Beryllium Copper Z
Add Suffix:
Z =for bulk package
Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and
test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete
Disclaimer Notice at: www.littelfuse.com/disclaimer-electronics.
2018 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/02/18