MICRO2™ Blade Fuses 32V Datasheet by Littelfuse Inc.

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MICRO2™ Blade Fuses Rated 32V
The MICRO2™ Fuse is the new standard for vehicle circuit protection. Its sub-miniature
design meets the need for more circuits to be protected while utilizing less space and its
ability to cope with high temperatures in adverse environments makes the MICRO2™ Fuse of
recommended choice for protection.
Black amperage stamps are used on the 20A & 25A / light colored housings to improve
contrast for vision system inspection.
Blade Fuses
Specifications MICRO2 MICRO2 Sn
(Silver Plated) (Tin Plated)
Voltage Rating: 32 VDC 32 VDC
Interrupting Ratings: 1000A @ 32 VDC 1000A @ 32 VDC
*Component Level Temperature Range: -40˚C to +125˚C -40˚C to +105˚C
**System Level Temperature Range: -40˚C to +105˚C -40˚C to +85˚C
105°C and 85°C are typical system level temperature requirements.
Terminals: Ag plated zinc alloy Sn plated zinc alloy
Housing Material: PA66 PA66
Conforms to: SAE 2741 and ISO 8820-3 in reference to electrical, mechanical
and environmental performance requirements
MICRO2TM Sn
(Tin plated) Blade Fuses
MICRO2TM Blade Fuses
Dimensions
Dimensions in mm
Temperature Rerating Curve Time-Current Characteristic Curves
Ordering Information
Part Number Package Size
0327xxx.YX2S 4000
0327xxx.UXS 500
0327xxx.LXS 50
MICRO2 Sn Fuse
0327xxx.YX2T 4000
Time-Current Characteristics
% of Rating Opening Time Min / Max
110 100 h / –
135 0.75 sec / 120 sec
160 0.30 sec / 50 sec
200 0.15 sec / 5 sec
350 0.04 sec / 0.50 sec
600 0.02 sec / 0.100 sec
Ratings
Part Number Current Rating
(A)
Housing
Material Color
Typ. Voltage Drop
(mV)
Cold Resistance
(mΩ)
I2t
(A2s)
0327003._ 3 113 31.7 9
0327005._ 5 116 17.4 17
032707.5_ 7.5 106 10.8 47
0327010._ 10 102 7.7 89
0327015._ 15 94 4.9 189
0327020._ 20 91 3.5 397
0327025._ 25 90 2.6 585
0327030._ 30 88 2.1 1028
0.01
0.1
1.
10.
100.
1000.
1 10 100 1000
Time (s)
Current (A)
MICRO2 Fuse Time-Current Characteristics
3
5
7.5
10
15
20
25
30
*Component Level Temperature =
the maximum ambient temperature
that a single fuse will survive. This
does not factor-in the heat from a
populated fuse box, but does include
the heat from the current load with
the proper rerating. **System Level
Temperature represents the ambient
temperature of the fuse box at a
location within the vehicle. The
temperature within a populated fuse
box (in a given location) will be
higher. The limiting factor is the
plating. Sn-plating’s temperature
limit is 130°C, and Ag-plating
allows up to 150°C at the terminal
interface.

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