259
© 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Axial Lead & Cartridge Fuses
2AG > Time Lag > 229/230 Series
229/230 Series
Please refer to www.littelfuse.com/series/229.html
or /230.html for current information.
229/230 Series
229/230 Series Lead-Free 2AG, Slo-Blo
®
Fuse and Indicating Slo-Blo
®
Fuse
Agency Approvals
Agency Agency File Number Ampere Range
E10480 250mA - 3.5A
LR 29862 250mA - 7A
E10480 4A - 7A
PS
E
NBK210405 -
E10480D/F/G/H
1A - 7A
250mA - 7A
Features
Electrical Characteristics for Series
t *OBDDPSEBODFXJUI6-
4UBOEBSE
t 3P)4DPNQMJBOUBOE
-FBEGSFF
t 'VTFTBSFBWBJMBCMFGPS
CPBSEXBTIBCMFXJUI
UIFBEEJUJPOBMTFBMJOH
QSPDFTTOFFEUPBEE
UIFTVGåY"
t "WBJMBCMFJODBSUSJEHF
BOEBYJBMMFBEGPSN
BOEXJUIWBSJPVTMFBE
GPSNJOHEJNFOTJPOT
t 4MFFWFEGVTFTBSF
BWBJMBCMF
% of Ampere
Rating
Opening Time
100% IPVST.JOJNVN
135% IPVS.BYJNVN
200%
TFDPOET.JOJNVN
TFDPOET.BYJNVN
Applications
t 4UBOEBSETFSJFTNFFUTUIFEFNBOEJOH
SFRVJSFNFOUTPGUIF5FMFDPN*OEVTUSZ
t 5IFTFGVTFTDPNCJOFDPOWFOUJPOBMPWFSDVSSFOU
QSPUFDUJPOXJUIBCJMJUZUPXJUITUBOEIJHIDVSSFOU
TIPSUEVSBUJPOQVMTFTXIJDIDPNQMJFTUPTIPSUDJSDVJU
SFRVJSFNFOUTPG6-GPS5FMFDPNFRVJQNFOUT
PS
E
Description
Revised: November 17, 2010
5IF"(4MP#MP
®
'VTFTBSFBWBJMBCMFJODBSUSJEHFGPSNPS
XJUIBYJBMMFBET"('VTFTQSPWJEFUIFTBNFQFSGPSNBODF
DIBSBDUFSJTUJDTBTUIFJS"(DPVOUFSQBSUXIJMFPDDVQZJOH
POFUIJSEUIFTQBDF
5IFGVTFDBUBMPHOVNCFSXJUIUIFTVGåYi4wJOTUBOUMZ
JEFOUJåFTJUTFMGVQPOPQFOJOHCZTIPXJOHBEJTDPMPSBUJPO
PGJUTHMBTTCPEZ(VFTTXPSLBOEUJNFDPOTVNJOHDJSDVJU
UFTUJOHBSFFMJNJOBUFE5IJTVOJRVFEFTJHOPGGFSTUIFTBNF
RVBMJUZQFSGPSNBODFDIBSBDUFSJTUJDTBTUIFTUBOEBSE"(
4MP#MP
®
GVTFEFTJHO8IFOPSEFSJOHUIF"(*OEJDBUJOH
4MP#MP
®
'VTFBOh4hJTSFRVJSFEBGUFSUIFDBUBMPHOVNCFS
Introduction to Circuit Protection
Introduction to Circuit Protection
Transientology
260
© 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Axial Lead & Cartridge Fuses
2AG > Time Lag > 229/230 Series
229/230 Series
Please refer to www.littelfuse.com/series/229.html
or /230.html for current information.
Electrical Characteristic Specication by Item
Amp
Code
Ampere
Rating
(A)
Voltage
Rating
(V)
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
Nominal
Melting
I
2
t (A
2
sec)
Agency Approvals
PS
E
.250 0.25 250
"!7BD
,"!7BD
,"!7ED
"!7BD
2.4300 0.216 YYY
.350 0.35 250 1.3100 0.490 YYY
.375 0.375 250 1.1685 0.580 YYY
.500 0.5 250 0.6935 1.16 YYY
.600 0.6 250 0.4805 1.75 YYY
.750 0.75 250 0.3430 2.95 YYY
.800 0.8 250 0.3060 3.45 YYY
001. 1 250 0.2120 5.64 Y YYY
1.25 1.25 250
"!7BD
,"!7BD
,"!7ED
"!7BD
0.1460 9.80 Y YYY
01.5 1.5 250 0.1077 15.0 Y YYY
002. 2 250 0.0698 30.0 Y YYY
2.25 2.25 250 0.0567 39.0 Y YYY
02.5 2.5 250 0.0502 50.0 Y YYY
003. 3 250 0.0383 77.0 Y YYY
03.5 3.5 250
"!7BD
,"!7BD
,"!7ED
0.0312 110.0 Y YYY
004. 4 125
"!7BD
"!7ED
0.0258 148.0 YYYY
005. 5 125 0.0186 267 YYYY
006. 6 125 0.0141 380 YYYY
007. 7 125 0.0116 464 YYYY
261
© 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Axial Lead & Cartridge Fuses
2AG > Time Lag > 229/230 Series
229/230 Series
Please refer to www.littelfuse.com/series/229.html
or /230.html for current information.
229/230 Series
Amp Code
Ampere Rating
(A)
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
Nominal
Melting
I
2
t (A
2
sec)
10 x 160 μs
1500V
10 x 560 μs
800V
10 x 1000 μs
1000V
.250 0.25
"!7BD
"!7BD
"!7BD
"!7BD
2.4300 0.216 23.0A 16.6A 12.4A
.350 0.35 1.3100 0.490 34.0A 25.8A 19.3A
.375 0.375 1.1685 0.580 40.0A 25.4A 19.0A
.500 0.5 0.6935 1.16 60.0A 37.7A 28.2A
.600 0.6 0.4805 1.75 71.0A 47.2A 35.3A
.750 0.75 0.3430 2.95 91.0A 65.5A 49.0A
.800 0.8 0.3060 3.45 104.0A 68.9A 51.6A
001. 1 0.2120 5.64 130A 88.6A 66.3A
1.25 1.25* 0.1460 9.80 162.0A 118.1A 100.0A
Surge Withstand Specicatons
"QFBL7YNJDSPTFDPOETSFQFUJUJPOT
Peak Withstand Current(lp):5IFTFGVTFTXJMMXJUITUBOESFQFUJUJPOTPGBEPVCMFFYQPOFOUJBMJNQVMTFXBWFIBWJOHQFBL
DVSSFOUTMQBOEQFBLWPMUBHFTBTMJTUFE
4UBOEBSEBOE4FSJFT4MP#MPGVTFTNFFUUIFEFNBOEJOHSFRVJSFNFOUTPGUIF5FMFDPNJOEVTUSZ5IFTFGVTFTDPNCJOF
DPOWFOUJPOBMPWFSDVSSFOUQSPUFDUJPOXJUIUIFBCJMJUZUPXJUITUBOEIJHIDVSSFOUTIPSUEVSBUJPOQVMTFT5IFTFGVTFTDPNQMZ
XJUIUIFTIPSUDJSDVJUSFRVJSFNFOUTPG6-GPSUFMFQIPOFFRVJQNFOU*OTVMBUJOHTMFFWFPQUJPOBWBJMBCMF
*OBDDPSEBODFXJUIVOEFSXSJUFST-BCPSBUPSJFT4UBOEBSE6-
"WBJMBCMFJODBSUSJEHFBOEBYJBMMFBEGSPNBOEXJUIWBSJPVTMFBEGPSNJOHEJNFOTJPOT
3P)4DPNQMJBOUBOEMFBEGSFF
"WBJMBCMFJOSBUJOHTGSPNN"UP"
'VTFTBSFBWBJMBCMFGPSCPBSEXBTIBCMFXJUIUIFBEEJUJPOBMTFBMJOHQSPDFTTOFFEUPBEEUIFTVGåY"
6TFEGPSUIFUFMFDPNJOEVTUSZ
Description
Features
Applications