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0481.500HXL

Part # 0481.500HXL
Description Fuse Alarm Indicating 0.5A 125V Holder 17.8 X 8 X 19.6mm P
Category FUSE
Availability In Stock
Qty 6775
Qty Price
1 - 110 $2.26670
111 - 277 $1.80306
278 - 588 $1.70003
589 - 1,265 $1.57982
1,266 + $1.40810
Manufacturer Available Qty
LITTELFUSE TRACOR
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Littelfuse
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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

347
© 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Special Application Fuses
Alarm Indicating Fuse 481 Series
481 Series Alarm Indicating Fuse
Please refer to www.littelfuse.com/series/481.html for current information.
481 Series
481 Series Alarm Indicating Fuse
Description
Agency Approvals
Agency Agency File Number
E71611
LR 29862
Electrical Characteristics
Features
t $PMPSDPEFEJOEJDBUPS
ýBHTJOEJDBUFBNQFSF
SBUJOH
t $MFBSQMBTUJDMFOT
PQUJPOBWBJMBCMFGPS
BEEJUJPOBMTBGFUZ
t #PEZJTDPOTUSVDUFEPG
CMBDLQMPMZQIFOZMFOF
TVMåEFXJUI6-7
ýBNNBCJMJUZSBUJOH
t $POUBDUTNBEFPG
CSJHIUBMMPZQMBUFE
CFSZJMMJPVNDPQQFS
Applications
% of Ampere
Rating
Opening Time
 .JOVUFT.JOJNVN
 .JOVUFT.BYJNVN
Electrical Characteristics
"UISV"JUFNTBSFOPUBWBJMBCMFGPSTBMFBTB3P)4DPNQMJBOUi1wPQUJPO
"'VTFIPMEFSNVTUCFVTFE'VTFJTLFZFEUPQSFWFOUJOTFSUJPOJOMPXFSSBUFEIPMEFST
"'VTFIPMEFSJTEFTJHOFEUPBDDFQUBMMSBUJOHTVQUPBNQFSFT
Ampere
Rating
(A)
Amp
Code
Max
Voltage
Rating
(V)
Interrupting
Rating
Body
Color
Code
Nominal
Cold Resistance
(Ohms)
Nominal Melting
I
2
t (A
2
Sec.)
Agency
Approvals
 
7"$
&
7%$
"!7%$
"!7"$
VQUP"
"!7%$
VQUP"
"!7%$
VQUP"
:FMMPX   Y Y
  3FE#MBDL   Y Y
  7JPMFU   Y Y
  (SBZ8IJUF   Y Y
  3FE   Y Y
  #MBDL   Y Y
  #SPXO   Y Y
  (SBZ   Y Y
  8IJUF   Y Y
  :FMMPX8IJUF   Y Y
  0SBOHF   Y Y
  0SBOHF8IJUF   Y Y
  #MVF   Y Y
  #MVF8IJUF   Y Y
  #SPXO8IJUF   Y Y
  (SFFO   Y Y
  #MBDL8IJUF   Y Y
  3FE8IJUF   Y Y
  (SFFO:FMMPX   Y Y
  3FE#MVF   Y Y
  (SFFO8IJUF   Y Y
*EFBMGPSUFMFDPNNVOJDBUJPOTBOEDPOUSPMQBOFMDJSDVJUT
4FSJFTBMBSNJOEJDBUJOHGVTFTBSFEFTJHOFEUPSFEVDF
EPXOUJNFCZJNNFEJBUFMZQJOQPJOUJOHUIFCMPXOPQFO
DJSDVJUXIJMFUSJHHFSJOHBO-&%PSBVEJPBMBSN5IJTJUFN
SFRVJSFT4FSJFTNBUJOHGVTFIPMEFS
"MMSBOHFTPG4FSJFTGVTFTBSFBWBJMBCMFBTPVSPSJHJOBM
EFTJHOBOEUIFBNQSBOHFJTOPXBWBJMBCMFBTB3P)4
DPNQMJBOUPQUJPOVTFUIFi1wEFTJHOBUPSXIFOPSEFSJOH
4FFUIFQBSUOVNCFSJOHTFDUJPOPGUIJTEBUBTIFFUGPSSFMBUFE
PSEFSJOHJOTUSVDUJPOT
Revised: August 10, 2011
Introduction to Circuit Protection
Introduction to Circuit Protection
Transientology
348
© 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Special Application Fuses
Alarm Indicating Fuse 481 Series
481 Series Alarm Indicating Fuse
Please refer to www.littelfuse.com/series/481.html for current information.
Average Time Current Curves
1000
100
10
1
0.1
0.01
10001001010.1
18/100 A
1/4 A
1/2 A
65/100 A
3/4 A
1 A
1 1/3 A
2 A
3 A
4 A
5 A
7 1/2 A
10 A
12 A
15 A
20 A
TIME IN SECONDS
CURRENT IN AMPERES
Material
#PEZ1PMZQIFOZMFOF4VMåEF6-70
5FSNJOBUJPOT#FSZMMJVN$PQQFS5JO1MBUFE
0QUJPOBM-FOT/ZMPO
Vibration 1FS.*-45%'
Product CharacteristicsProduct Characteristics
Dimensions
Part Numbering System
"'VTFIPMEFSNVTUCFVTFE'VTFJTLFZFE
UPQSFWFOUJOTFSUJPOJOMPXFSSBUFEIPMEFST
"'VTFIPMEFSJTEFTJHOFEUPBDDFQUBMM
SBUJOHTVQUPBNQFSFT
22.9mm
(.90") MIN.
8
mm
.
23")
5.3
mm
(.21")
16.9
mm
(.665") MAX.
11. 7
mm
(.46")
17.8
mm (.70")
19.6
mm
(.77")
21.3mm
(0.84")
REF.
LENS
2.77
(.109")
2.79
(.110")
4.45
(.175")
1-15A 20A*
Operating Temperature – 55
O
$UP
O
$
Thermal Shock
8JUITUBOETDZDMFTPGo
O
$UP
125
O
$
Insulation Resistance
(After Opening)
(SFBUFSUIBOPINT
OPTION CODE:
RoHS ITEM OPTION CODE:
SERIES
AMP CODE
QUANTITY CODE:
Blank = Standard
XL = Protective Lens
Blank = Standard design item
P = RoHS compliant version item
(available in 2-20 amp range only)
0481 .180 H XL P
V = 5 pack
H = 100 pack
(See Electrical Characteristics Table)