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Blade Fuses

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.

Specifications

MICRO2

Blade Fuses

Voltage Rating:

Interrupting Ratings:

*Component Level Temperature Range:

**System Level Temperature Range:

Terminals:

Housing Material:

Conforms to:

MICRO2

(Silver Plated)

32 VDC

1000A @ 32 VDC

-40˚C to +125˚C

-40˚C to +105˚C

Ag plated zinc alloy

MICRO2 Sn

(Tin Plated)

32 VDC

1000A @ 32 VDC

-40˚C to +105˚C

-40˚C to +85˚C

Sn plated zinc alloy

105°C and 85°C are typical system level temperature requirements.

PA66

SAE 2741 and ISO 8820-3 in reference to electrical, mechanical

and environmental performance requirements

Ordering Information

MICRO2

(Tin plated) Blade Fuses

Part Number

0327xxx.YX2S

0327xxx.UXS

0327xxx.LXS

MICRO2 Sn Fuse

0327xxx.YX2T

4000

Package Size

4000

500

Time-Current Characteristics

% of Rating

110

135

160

200

350

600

Opening Time Min / Max

100 h / –

0.75 sec / 120 sec

0.30 sec / 50 sec

0.15 sec / 5 sec

0.04 sec / 0.50 sec

0.02 sec / 0.100 sec

Cold Resistance

(mΩ)

17.4

10.8

7.7

4.9

3.5

2.6

2.1

189

397

585

1028

Dimensions

Dimensions in mm

Ratings

Part Number

0327005._

032707.5_

0327010._

0327015._

0327020._

0327025._

0327030._

Current Rating

Housing

(A)

Material Color

7.5

MICRO2 Fuse Preliminary Time-Current Characteristics

July 2008

Typ. Voltage Drop

(mV)

116

106

102

Temperature Rerating Curve

Time-Current Characteristic Curves

100.00

10.00

Time (s)

7.5

1.00

0.10

*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.

0.01

Current (A)

100

1000

Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for

surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse

product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages

arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless

otherwise agreed by Littelfuse.

littelfuse.com