Skip to main content
Littelfuse JTD004

Littelfuse JTD004

MPNJTD004

4A, 600V, Class J Time Delay Fuse|4 Amp Fuse, Time Delay, Brand or Series: Class J, Indicator, Interrupting Rating: 200000 Amp AC RMS Symmetrical, Terminal Type: Cartridge, Dimensions: 13/16 Diameter x 2 1/4 Length Inch, Voltage Rating: 600 VAC, Material: Stone Sand and Granular Quartz Filler, Features: Time Delay Dual Element

$21.29 – $25.70Ref. price · indicative, final on quote
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
How we verify every order →

Specifications

JTD004 key specifications
ParameterValue
Equivalent seriesAJT, JTD, LPJ
Equivalent brand and seriesBussmann LPJ; Littelfuse JTD; Mersen AJT
Compatible fuse block seriesLFJ
AC voltage rating600V AC
DC voltage rating300V DC
Body materialMelamine
StandardsCE; CSA Certified; UL 248-8 Class J; UL Listed
Amps4 A
BrandLITTELFUSE
ClassJ
SpeedTime Delay
Length2-1/4 in

All specifications

JTD004 additional specifications
ParameterValue
ElementDual
Diameter13/16 in
Fuse size2-1/4 in L x 13/16 in dia
Body styleCylindrical
Interrupt rating200kA at 600V AC; 20kA at 300V DC
Visual indicationNonindicating
Fits fuse block styleNonrejection
MPN
JTD004