Littelfuse 448 Series Bedienungsanleitung PDF herunterladen (Seite 4)

Speciﬁcations are subject to change without notice.

Revised: 12/19/13

Surface Mount Fuses

NANO

2®

> Very Fast-Acting > 448 Series

Materials

Body: Ceramic

Terminations: Gold-plated Caps

Product Marking Brand, Amperage Rating

Operating

Temperature

-55

C to 125

Moisture Sensitivity

Level

Level 1, J-STD-020C

Solderability MIL-STD-202, Method 208

Insulation

Resistance (after

Opening)

MIL-STD-202, Method 302, Test Condition

A (10,000 ohms minimum)

Thermal Shock

MIL-STD-202, Method 107, Test

Condition B, 5 cycles, -65

C to

125

C, 15 minutes @ each extreme

Mechanical Shock

MIL-STD-202, Method 213, Test I:

Deenergized. 100G’s pk amplitude,

sawtooth wave 6ms duration, 3

cycles XYZ+xyz = 18 shocks

Vibration

MIL-STD-202, Method 201: 0.03”

amplitude, 10-55 Hz in 1 min. 2hrs

each XYZ=6hrs

Moisture Resistance MIL-STD-202, Method 106, 10 cycles

Salt Spray

MIL-STD-202, Method 101, Test

Condition B (48hrs)

Resistance to Soldering

Heat

MIL-STD-202, Method 210, Test

condition B (10 sec at 260

Product Characteristics

7 A

6.86

(.270")

3.15

(.124")

2.95

(.116")

1.96

(.077")

2.69 ± .25

(.106")

2.69 ± .25

(.106")

1.45

(.057")

6.10 ± .20

(.240")

Recommended pad layout

Dimensions

Packaging

Part Numbering System

Packaging Option Packaging Speciﬁcation Quantity

Quantity &

Packaging Code

12mm Tape and Reel EIA RS-481-1 (IEC 286, part 3) 1000 MR

0448 001. M R

SERIES

AMP Code

qUANTITY Code

PACKAGING Code

Refer to Electrical

Characteristics table

M = 1000 pcs

R = Tape and Reel

*Example:

1.5 amp product is 044801. 5MR

(1 amp product shown above).

1 2 3 4

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