050901

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.

M

M

M

M

INIA

INIA

INIA

INIATURE

TURE

TURE

TURE

TURE

USEHOLDERS

USEHOLDERS

USEHOLDERS

USEHOLDERS

Holder / No. 646

646

646

646

646

Cover / No. 648

648

648

648

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 free

lead free

lead free

lead free

lead free

Optional Cover

Optional Cover

Optional Cover

Optional Cover

Optional Cover

Specifications

Specifications

Specifications

Specifications

Specifications

Mounting

Mounting

Mounting

Mounting

Mounting

Solder pins 0.5mm x 1.2mm

Ø 3mm screw hole may be used optionally

Materials

Materials

Materials

Materials

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 Section

Minimum Cross Section

Minimum Cross Section

Minimum Cross Section

Minimum Cross Section

Unit Weight

Unit Weight

Unit Weight

Unit Weight

Unit Weight

1.6g

Packaging

Packaging

Packaging

Packaging

Packaging

Bulk (1000 pcs.)

Materials

Materials

Materials

Materials

Materials

Cover:

Transparent Thermoplastic,

UL94 V-0, Polycarbonate PC

Unit Weight

Unit Weight

Unit Weight

Unit Weight

Unit Weight

1.0g

Packaging

Packaging

Packaging

Packaging

Packaging

Bulk (2000 pcs.)

Specifications are subject

to change without notice

Adapter / No. 640

640

640

640

640

Contact Littelfuse for an auto-insertable

fuse, holder and adapter assembly.

Order

Order

Order

Order

Order

Qty.

Qty.

Qty.

Qty.

Qty.

Order

Order

Order

Order

Order

Series

Series

Series

Series

Series

TTTTType

ype

ype

ype

ype

Information

Information

Information

Information

Information

Number

Number

Number

Number

Number

646

0000

TTTTType

ype

ype

ype

ype

Pic

Pic

Pic

Pic

Pic

Meas.“A”

Meas.“A”

Meas.“A”

Meas.“A”

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 1

Pic 1

Pic 1

Pic 1

Pic 1

Pic 2

Pic 2

Pic 2

Pic 2

Pic 2

Order

Order

Order

Order

Order

Qty.

Qty.

Qty.

Qty.

Qty.

Order

Order

Order

Order

Order

Series

Series

Series

Series

Series

Information

Information

Information

Information

Information

Number

Number

Number

Number

Number

648

0000

100

Mounting

Mounting

Mounting

Mounting

Mounting

Hand adapter can be optionally used with

Holder No. 646 and 647

Materials

Materials

Materials

Materials

Materials

Adapter:

Polyester PBT, UL94 V-0

Unit Weight

Unit Weight

Unit Weight

Unit Weight

Unit Weight

1.0g

Packaging

Packaging

Packaging

Packaging

Packaging

Bulk (5000 pcs.)

Colours

Colours

Colours

Colours

Colours

Adapter black

100

Adapter brown

140

Adapter white

150

Adapter yellow

160

Adapter green

170

Adapter blue

190

Optional Adapter

Optional Adapter

Optional Adapter

Optional Adapter

Optional Adapter

Order

Order

Order

Order

Order

Qty.

Qty.

Qty.

Qty.

Qty.

Order

Order

Order

Order

Order

Series

Series

Series

Series

Series

Colour

Colour

Colour

Colour

Colour

Information

Information

Information

Information

Information

Number

Number

Number

Number

Number

640

0000