050906
WebSite www.littelfuse.com
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.
15 +0,25
1,3 +0,1
2,6 +0,1
Note: 1.00 means the number one with two decimal places. 1,000 means the number one thousand.
MINIATURE FUSEHOLDERS
Holder / No. 649
Specifications
Standard
IEC 60127-6
UL 512
Packaging
100: Bulk (500 pcs.)
103: Bulk (4x3000 pcs.)
Approvals

Mounting
Solder pins 0.5 x 1.0mm and plastic stud
Materials
Holder: White Thermoplastic, UL94 V-0
Polybutylenterephthalat PBTP
Metal parts: Copper alloy
Solderable, tinned
Protection Class & Category
PC1 (IEC 60127-6)
Electrical Data (23ºC)
Rated Voltage: 250V
Max. Current/Power: 6.3A/1.6W
Minimum Cross Section
Conducting path - 0.2mm
2
Operating Temperature
-25ºC to +70ºC (consider de-rating)
Stock Conditions
+10ºC to +60ºC
relative humidity ≤ 75% yearly average,
without dew, maximum value for 30 days - 95%
Contact Resistance
≤ 5mΩ
Isolation Resistance
10
2
MΩ
Solderability
235ºC, 2 sec. (soldering bath; IEC 60068-2-20)
Soldering Heat Resistance
260ºC, 10 sec. (soldering bath; IEC 60068-2-20)
Marking
Approvals
Unit Weight
1.2g
PC Mount, 5x20mm Fuses,
leadfree
Holder / No. 271.1101
formerly 510
Packaging
000: Bulk (100 pcs.)
Mounting
In-line, for use with customer-provided cables
Terminals
Crimp-type with ferrule (Note 1)
Screw-type (Note 2)
Materials
Holder: Black Thermoplastic
Metal Parts: Copper alloy,
corrosion-protected
Electrical Data (23ºC)
Rated Voltage: 250V
Maximum Current: 6.3A
Minimum Cross Section
Conductor - 2.5mm
2
Unit Weight
6.0g
In-Line Type, 5x20mm Fuses
leadfree
Order Qty. Order- Series Packaging
Info Number 649 0000 100/103
Specifications are subject
to change without notice
Order Qty. Order- Series Packaging
Info Number 271 1101 000
Specifications are subject
to change without notice
PCB-Thickness: 1.6mm ± 0.14mm
23 9
1
15
2,1
0,5
2,9
1
3,5
3
13
1,35
Stud
Stud