Littelfuse 647 Series User Manual
Cartridge fuse blocks
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Cartridge Fuse Blocks
Compatible
Fuse Sizes
5×20mm
Materials
Holder: Black Thermoplastic, UL94 V-0 Polyamide PA 6.6
Adapter: Polyester PBT, UL94 V-0
Metal Parts: Tin plated copper alloy
Electrical Data
(23ºC)
Rated Voltage: 250V
Max. Current/Power: 6.3A/2.5W 6.3A/1.6W (with No.
640)
Mounting
Ø 3mm screw hole
Hand adapter can be optionally used with Holder No.
646 and 647
Terminals
Solderable or 2.8mm quick
connect - fits 0.5mm tabs
Minimum Cross
Section
Conducting path - 2.5mm
2
Unit Weight
1.7g (Holder), 1.0g (Adapter)
Product Characteristics
Dimensions
647 series Holder
640 adapter
(optional adapter)
647 Series Molded Fuse Holder For 5×20mm Fuses
Ordering Information
Ordering pN
Description
647 0000 1001
647 5×20mm 250V Cable Type Fuse Block
640 0000 1003
Adaapter - Black
640 0000 1403
Adaapter - Brown
640 0000 1503
Adaapter - White
640 0000 1603
Adaapter - Yellow
640 0000 1703
Adaapter - Green
640 0000 1903
Adaapter - Blue
640 0000 1101
Adaapter - Purple
640 0000 1201
Adaapter - Orange
640 0000 1801
Adaapter - Red
Additional Information