Littelfuse 649 User Manual

Cartridge Fuse Blocks

22.6 ±.2 [.89]

12.0 +0/-.3 [.47]

3 [.12]

[.51]

.5 [.02]

15 ±.1 [.59]

9 [.354]

3.5 +.2/-0 [.138]

1.35

[.053]

1 [.04]

[.04]

17.8 ±.2 [.70]

4 [.16]

5.4

[.213]

7. 3

[.29]

Dimensions of holes in the printed circuit board.

Thickness of printed circuit board: 1.6 ±.14 [.063 ±.005]

15 +.25/-0

[.59 +.01/-0]

2.6 +.05/-0

[.102 +.004/-0]

1.3 ±.05

[.051 +.004/-0]

Dimensions in millimeter [inch]

VDE

649 Series Molded Fuse Block, PC Mount for 5×20mm Fuses

Product Speciﬁcations

Dimensions

Compatible Fuse Size

5 × 20 mm standard cartridge fuse

Ordering Number 649 0000 1039 649 0000 3039

Materials

Holder:

White Thermoplastic, PBT UL94 V-0

Holder: Grey Thermoplastic, PA 66 UL94 V-0

Metal Parts: Tin Plated Copper Alloy

Electrical Data

Rated Voltage: 250V Max. Current/Power: 6.3A/1.6W

Mounting Solder pins 0.5 x 1.0mm and plastic stud

Operating Temperature

Stock Conditions

Contact Resistance

Isolation Resistance

-25ºC to +70ºC (consider de-rating)

+10ºC to +60ºC relative humidity ≤ 75% yearly average, without dew, maximum value for 30 days - 95%

≤ 5mΩ

MΩ

Solderability 235ºC, 2 sec. (soldering bath; IEC 60068-2-20)

Soldering Heat Resistance

Minimum Cross Section

260ºC, 10 sec. (soldering bath; IEC 60068-2-20)

Conducting path - 0.2mm

Unit Weight 1.2g

Agency Approvals

Agency Agency File Number

E14721

40015067

Ordering Information

Ordering PN Description Packaging

649 0000 1039 Block Holder for 5×20 big box Bulk (3000pcs)

649 0000 3039 Block Holder for 5×20 MM GW Bulk (3000pcs)

NOTES:

1) Ensure that proper fuse de-rating is factored in fuseholder selection.

2) The plastic material used in #649 0000 3039 is GWIT and GWFI compliant per EN-60335-1.

Additional Information

Datasheet

Resources

Samples