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© 2009 Littelfuse, Inc.

Specifications are subject to change without notice.

Surface Mount Fuses

Please refer to www.littelfuse.com/series/440.html for current information.

440 Series

Ceramic Fuse > 440 Series

Materials

Body: Advanced Ceramic

Terminations: Ag / Ni / Sn (100% Lead-free)

Element Cover Coating: Lead-free Glass

Moisture

Sensitivity Level

IPC/JEDECJ-STD-020C,Level1

Solderability

IPC/ECA/JEDECJ-STD-002B,ConditionC

Humidity Test

MIL-STD-202,Method103B,ConditionsD

Resistance to

Solder Heat

MIL-STD-202,Method210F,ConditionB

Product Characteristics

Moisture Resistance

MIL-STD-202, Method 106G

Thermal Shock

MIL-STD-202, Method 107G,

ConditionB

Mechanical Shock

MIL-STD-202,Method213B,

Condition A

Vibration

MIL-STD-202, Method 201A

Vibration,

High Frequency

MIL-STD-202, Method 204D,

Condition D

Dissolution of

Metallization

IPC/ECA/JEDECJ-STD-002C,

Condition D

Terminal Strength

IEC60127-4

Dimensions

3.200 ± .1778

[.126 ± .007]

1.000

[.039]

X

1.500

[.059]

1.800

[.071]

3.500

[.138]

1.000

[.039]

.8179 +.046/ -.076

[.0322 +.0018/ -.003]

0.520 ± .200

[.020 ± .008]

TERMINATION

1.63 + .10/ -.20

[.064 + .004/ -.008]

Packaging

Part Marking System

packaging Option

packaging Specification

Quantity

Quantity &

packaging code

8mm Tape and Reel

EIA-481,IEC60286,Part3

3000

WR

Part Numbering System

0440 008. W R

SERIES

AMP CoDE

quANTITy CoDE

W = 3000 pcs

PACkINg CoDE

R=ReelPack

Amp code

marking code

.250

D

.375

E

.500

F

.750

g

001.

H

1.25

J

01.5

k

1.75

L

002.

N

02.5

o

003.

P

03.5

R

004.

S

005.

T

007.

W

008.

X