Surface Mount Fuses
NANO2® > 250V > Time Lag > 443 Series
443 Series Fuse
Description
5IFꢀꢁꢂꢃ7ꢀ/BOPꢁꢀ'VTFꢀJTꢀBꢀTNBMMꢀTRVBSFꢀTVSGBDFꢀNPVOUꢀ
GVTFꢀUIBUꢀJTꢀEFTJHOFEꢀUPꢀFOBCMFꢀDPNQMJBODFꢀXJUIꢀUIFꢀ3P)4ꢀ
EJSFDUJWFꢅꢀ5IJTꢀQSPEVDUꢀJTꢀGVMMZꢀDPNQBUJCMFꢀXJUIꢀMFBEꢄGSFFꢀ
TPMEFSꢀBMMPZꢀBOEꢀIJHIFSꢀUFNQFSBUVSFꢀQSPåMFTꢀBTTPDJBUFEꢀ
XJUIꢀMFBEꢄGSFFꢀBTTFNCMZꢅꢀ
Features
tꢀ ꢁꢂꢃꢀ7"$ꢀWPMUBHFꢀSBUJOH
tꢀ 5JNFꢄ-BH
tꢀ 'VMMZꢀDPNQBUJCMFꢀ
XJUIꢀMFBEꢄGSFFꢀTPMEFSꢀ
BMMPZTꢀBOEꢀIJHIFSꢀ
tꢀ "WBJMBCMFꢀꢃꢅꢂꢃ"ꢀoꢀ
ꢂꢅꢃꢃ"
UFNQFSBUVSFꢀQSPåMFTꢀ
BTTPDJBUFEꢀXJUIꢀMFBEꢄ
GSFFꢀBTTFNCMZ
Agency Approvals
tꢀ 3P)4ꢀ$PNQMJBOU
AGENCY
AGENCY FILE NUMBER
E10480
AMPERE RANGE
0.500A - 5.00A
Applications
tꢀ "$ꢏ%$ꢀQPXFSꢀBEBQUPS
tꢀ )JHIꢀWPMUBHFꢀ%$ꢏ%$ꢀ
DPOWFSUFS
tꢀ 5FMFDPNꢀFRVJQNFOUꢀ
TZTUFNꢀQPXFS
tꢀ -JHIUJOHꢀ4ZTUFN
tꢀ -&%ꢀ-JHIUJOH
Electrical Characteristics for Series
tꢀ 1PSUBCMFꢀTZTUFNꢀCVJMUꢄ
JOꢀ"$ꢏ%$ꢀDPOWFSUFS
% of Ampere
OpeningTime
Rating
ꢆꢃꢃꢇ
ꢈꢀIPVSTꢉꢀ.JOJNVN
ꢆꢁꢃꢀTFDPOETꢉꢀ.BYJNVN
ꢁꢂꢃꢇ
Electrical Specifications by Item
Agency
Approvals
Max
Ampere
Rating
(A)
Nominal Cold
Resistance
(Ohms)
Nominal
Melting
Nominal
Voltage Drop
(mV)
Voltage
Interrupting
Rating
Amp Code
Rating
(V)
Iꢁt (A2sec)
ꢃꢅꢂꢃ
ꢅꢂꢃꢃ
ꢁꢂꢃ
ꢃꢅꢊꢃꢃ
ꢆꢅꢊꢆ
448
Y
ꢃꢅꢋꢂ
1
ꢅꢋꢂꢃ
ꢃꢃꢆꢅ
ꢃꢆꢅꢂ
ꢁꢂꢃ
ꢁꢂꢃ
ꢁꢂꢃ
ꢁꢂꢃ
ꢁꢂꢃ
ꢁꢂꢃ
ꢁꢂꢃ
ꢁꢂꢃ
ꢁꢂꢃ
ꢃꢅꢁꢋꢂ
ꢃꢅꢆꢌꢃ
ꢃꢅꢆꢃꢃ
ꢃꢅꢃꢂꢁ
ꢃꢅꢃꢍꢂ
ꢃꢅꢃꢁꢌ
ꢃꢅꢃꢆꢎ
ꢃꢅꢃꢆꢊ
ꢃꢅꢃꢆꢆꢂ
ꢆꢅꢃꢃ
ꢆꢃꢅꢆꢋ
ꢆꢈꢅꢋꢁ
ꢆꢌꢅꢃꢊ
ꢆꢌꢅꢆꢍ
ꢂꢆꢅꢈꢈ
ꢂꢍꢅꢆꢈ
ꢋꢃꢅꢂꢊ
ꢆꢁ ꢅꢋꢎ
ꢁꢌꢂ
ꢁꢍꢈ
ꢆꢎꢊ
ꢆꢂꢈ
ꢆꢍꢎ
ꢆꢆꢍ
98
Y
Y
Y
Y
Y
Y
Y
Y
Y
ꢆꢅꢂꢃ
ꢁ
ꢃꢃꢁꢅ
ꢃꢁꢅꢂ
ꢃꢃꢍꢅ
ꢃꢍꢅꢂ
ꢃꢃꢈꢅ
ꢃꢃꢂꢅ
ꢂꢃ"ꢀ!ꢁꢂꢃ7"$
ꢁꢅꢂꢃ
ꢍ
ꢍꢅꢂꢃ
4
81
ꢂ
ꢌꢃ
Notes:
1. Cold resistance measured at less than 10% of rated current at 23°C.
2. Agency Approval Table Key: X=Approved or Certified, P=Pending and Blank=Not Approved
3. Have special electrical characteristic needs? Contact Littelfuse to learn more about application specific options.
© 2009 Littelfuse, Inc.
443 Series
73
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/443.html for current information.
Revised: March 17, 2009