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| 0494002.NR Datasheet, PDF (1/4 Pages) Littelfuse – Surface Mount Fuses | |||
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Surface Mount Fuses
Thin Film > 0603 Size > Fast-Acting > 494 Series
494 Series Fuse, NRA Special Series Integrated Circuit Protector ®
Agency Approvals
AGENCY AGENCY FILE NUMBER
®
E10480
LR29862
AMPERE RANGE
250mA - 5A
250mA - 5A
Electrical Characteristics for Series
% of Ampere
Rating
Opening Time at 25OC
IPVST
.JOJNVN
TFD
.BYJNVN
TFD
.BYJNVN
Description
5IF944FSJFT'BTU"DUJOH4.'JTBOVMUSBTNBMM
TJ[F
UIJOÃ¥MNEFWJDFEFTJHOFEGPSTFDPOEBSZQSPUFDUJPO
PGDJSDVJUTVTFEJOTQBDFDPOTUSBJOFEBQQMJDBUJPOTTVDI
BTIBOEIFMEQPSUBCMFFMFDUSPOJDEFWJDFT5IJTTFSJFTJT
MFBEGSFFBOENFFUTUIFSFRVJSFNFOUTPGUIF3P)4
EJSFDUJWF/FX)BMJEF'SFF4FSJFTGVTFTBSFBWBJMBCMF
UPPSEFSVTJOHUIFi)'wTVGÃ¥Y4FF1BSU/VNCFSJOHTFDUJPO
GPSBEEJUJPOBMJOGPSNBUJPO
Features
t $PNQBUJCMFXJUIMFBE t &MFNFOUDPWFSJOHNBUFSJBM
GSFFTPMEFSTBOEIJHIFS
JTSFTJTUBOUUPJOEVTUSZ
UFNQFSBUVSFQSPÃ¥MFT
TUBOEBSEDMFBOJOH
t )JHIQFSGPSNBODF
PQFSBUJPOT
NBUFSJBMTQSPWJEF
t .PVOUJOHQBEBOE
JNQSPWFEQFSGPSNBODF
FMFDUSJDBMQFSGPSNBODFBSF
JOFMFWBUFEBNCJFOU
JEFOUJDBMUP-JUUFMGVTF
UFNQFSBUVSFBQQMJDBUJPOT BOE4FSJFTQSPEVDUT
t .BSLFEPOUPQTVSGBDF t "MMPZCBTFEFMFNFOU
XJUIDPEFUPBMMPXBNQFSF DPOTUSVDUJPOQSPWJEFT
SBUJOHJEFOUJÃ¥DBUJPO
TVQFSJPSJOSVTIXJUITUBOE
XJUIPVUUFTUJOH
DIBSBDUFSJTUJDT *2U
PWFS
t -PXQSPÃ¥MFGPSIFJHIU
TFOTJUJWFBQQMJDBUJPOT
DFSBNJDPSHMBTTCBTFE
GVTFQSPEVDUT
t 'MBUUPQTVSGBDFGPSQJDL
BOEQMBDFPQFSBUJPOT
Applications
4FDPOEBSZQSPUFDUJPOGPSTQBDFDPOTUSBJOFEBQQMJDBUJPOT
t $FMMQIPOFT
t #BUUFSZQBDLT
t %JHJUBMDBNFSBT t )BSEEJTL
t %7%QMBZFST
ESJWFT
Electrical Specifications by Item
Ampere
Rating
(A)
Amp
Code
Max
Voltage
Rating
(V)
Interrupting
Rating
"!7"$%$
"!7"$%$
1. Measured at 10% of rated current, 25ºC. 2. Measured at rated voltage.
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/494.html for current information.
Nominal Cold
Resistance
(Ohms)
Nominal
Melting
I2t (A2sec)
1
Revised: July 6, 2009
Nom
Voltage
Drop
(mV)
Nom Agency Approvals
Power
Dissipation
(W)
®
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
494 Series
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