
050901
WebSite www.littelfuse.com
In our continuing strategy to deliver unparalleled circuit protection solutions,
technical expertise and application leadership, we proudly introduce the
WICKMANN Group and its products to the Littelfuse portfolio.
Note: 1.00 means the number one with two decimal places. 1,000 means the number
one thousand.
MM
MM
MINIAINIA
INIAINIA
INIATURETURE
TURETURE
TURE F F
F F
FUSEHOLDERSUSEHOLDERS
USEHOLDERSUSEHOLDERS
USEHOLDERS
Holder / No.
646646
646646
646
Cover / No.
648648
648648
648
PC Mount, PC Mount,
PC Mount, PC Mount,
PC Mount, for 5x20mm Fuses,for 5x20mm Fuses,
for 5x20mm Fuses,for 5x20mm Fuses,
for 5x20mm Fuses,
lead freelead free
lead freelead free
lead free
Optional CoverOptional Cover
Optional CoverOptional Cover
Optional Cover
SpecificationsSpecifications
SpecificationsSpecifications
Specifications
MountingMounting
MountingMounting
Mounting
Solder pins 0.5mm x 1.2mm
Ø 3mm screw hole may be used optionally
MaterialsMaterials
MaterialsMaterials
Materials
Holder: Black Thermoplastic, UL94 V-0
Polyamide PA 6.6
Metal Parts: Copper alloy,
solderable, tinned
Electrical Data (23ºC)Electrical Data (23ºC)
Electrical Data (23ºC)Electrical Data (23ºC)
Electrical Data (23ºC)
Rated Voltage: 250V
Max. current/power: 6.3A/2.5W
5A/1W (with No. 648)
6.3A/1.6W (with No. 640)
Minimum Cross SectionMinimum Cross Section
Minimum Cross SectionMinimum Cross Section
Minimum Cross Section
Conducting path - 0.2mm2
Unit WeightUnit Weight
Unit WeightUnit Weight
Unit Weight
1.6g
PackagingPackaging
PackagingPackaging
Packaging
Bulk (1000 pcs.)
MaterialsMaterials
MaterialsMaterials
Materials
Cover: Transparent Thermoplastic,
UL94 V-0, Polycarbonate PC
Unit WeightUnit Weight
Unit WeightUnit Weight
Unit Weight
1.0g
PackagingPackaging
PackagingPackaging
Packaging
Bulk (2000 pcs.)
Specifications are subject
to change without notice
Adapter / No.
640640
640640
640
Contact Littelfuse for an auto-insertable
fuse, holder and adapter assembly.
OrderOrder
OrderOrder
Order Qty.Qty.
Qty.Qty.
Qty. OrderOrder
OrderOrder
Order SeriesSeries
SeriesSeries
Series T T
T T
T
ypeype
ypeype
ype
InformationInformation
InformationInformation
Information NumberNumber
NumberNumber
Number
646 0000
TT
TT
Typeype
ypeype
ype PicPic
PicPic
Pic Meas.“A”Meas.“A”
Meas.“A”Meas.“A”
Meas.“A” for PCB-Thickness for PCB-Thickness
for PCB-Thickness for PCB-Thickness
for PCB-Thickness
100 1 5mm 3mm
122 1 3.2mm 1.5mm
123 2 3.3mm 1.5mm
Pic 1Pic 1
Pic 1Pic 1
Pic 1 Pic 2Pic 2
Pic 2Pic 2
Pic 2
OrderOrder
OrderOrder
Order Qty.Qty.
Qty.Qty.
Qty. OrderOrder
OrderOrder
Order SeriesSeries
SeriesSeries
Series
InformationInformation
InformationInformation
Information NumberNumber
NumberNumber
Number
648 0000 100
MountingMounting
MountingMounting
Mounting
Hand adapter can be optionally used with
Holder No. 646 and 647
MaterialsMaterials
MaterialsMaterials
Materials
Adapter: Polyester PBT, UL94 V-0
Unit WeightUnit Weight
Unit WeightUnit Weight
Unit Weight
1.0g
PackagingPackaging
PackagingPackaging
Packaging
Bulk (5000 pcs.)
ColoursColours
ColoursColours
Colours
Adapter black 100
Adapter brown 140
Adapter white 150
Adapter yellow 160
Adapter green 170
Adapter blue 190
Optional AdapterOptional Adapter
Optional AdapterOptional Adapter
Optional Adapter
OrderOrder
OrderOrder
Order Qty.Qty.
Qty.Qty.
Qty. OrderOrder
OrderOrder
Order SeriesSeries
SeriesSeries
Series Colour Colour
Colour Colour
Colour
InformationInformation
InformationInformation
Information NumberNumber
NumberNumber
Number
640 0000