
© 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
Datasheet
Samples
Resources
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