Littelfuse 646 User Manual

Cartridge Fuse Blocks

646 Series Molded Base Fuse Block For 5×20mm Fuses

Product Characteristics

640 Adapter
(Optional Adapter)

Dimensions

648 Cover
(Optional Cover)

646 Series Holder

Pic1 Pic2

Compatible Fuse Sizes

Materials

Electrical Data (23ºC)

Mounting

Minimum Cross Section Conducting path - 0.2mm

Unit Weight

For 5×20mm Fuses
Leadfree

Holder: Black Thermoplastic, UL94 V-0

Polyamide PA 6.6
Cover: Transparent Thermoplastic,UL94 V-0,

Polycarbonate PC

Adapter: Polyester PBT, UL94 V-0
Metal Parts: Tin plated opper alloy
Rated Voltage: 250V
Max. Current/Power: 6.3A/2.5W 5A/1W

(with No. 648) 6.3A/1.6W (with No. 640)
Solder pins 0.5mm×1.2mm

Ø 3mm screw hole may be used optionally
Hand adapter can be optionally used with
Holder No. 646 and 647

2

1.6g (Holder), 1.0g (Cover),

1.0g (Adapter)

Ordering Information

Ordering PN Description Pic Meas. "A"

646 0000 1003 Fuse Block 1 5mm 3mm

646 0000 1223 Fuse Block 1 3.2mm 1.5mm

646 0000 1233 Fuse Block 2 3.3mm 1.5mm

Ordering PN Description Fuse PN Block PN

646 1200 7113 Fuse & Block Assy. 0215002.MXP

646 1200 7123 Fuse & Block Assy. 0219002.MXAP

646 1400 7143 Fuse & Block Assy. 0218004.MXP

646 1400 7183 Fuse & Block Assy. 0215004.MXP

for PCB-

thickness

6460001233

Contact Littelfuse for an auto-insertable fuse, holder and adapter assembly.
Note: 1.00 means the number one with two decimal places. 1,000 means the number one

thousand.

© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13

Ordering PN Description

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

648 0000 1001 Optional cover

Additional Information

Datasheet

Resources

Samples