Littelfuse 656 Series User Manual
Cartridge fuse blocks
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 02/13/14
Cartridge Fuse Blocks
max. dimension for
removal of cover
VDE
Compatible Fuse Size
5×20mm
Materials
Holder: Black Thermoplastic UL94 V-0
Metal Parts: Tin plated copper alloy
Electrical Data
Rated Voltage: 250V
Rated Current: 10A
Rated Power: without cover: 4W (23ºC): with
reflow-cover: 4W with transparent cover: 2.5W
Mounting
656: Solder pins 0.4mm×1.1mm
Ø 2.7mm screw hole may be used optionally
Operating Temperature -40ºC to +85ºC (consider de-rating)
Climatic Test
GPF according to DIN 40040
Stock Conditions
+10ºC to +60ºC relative humidity ≤ 75% yearly
average, without dew, maximum value for 30
days - 95%
Vibration Resistance
Frequency range 10-500 Hz,
crossover frequency 60 Hz
< 60 Hz constant amplitude of 0.75mm
> 60 Hz constant acceleration of 10g
Contact Resistance
5mΩ
Dielectric Strength
> 3kV, 50 Hz, 1 min.
Impulse withstand
Voltage
Û1.2/50: > 12 kV between live parts of different
potentials
Insulation Resistance
(500 V DC/1 min): >10 MΩ between live parts of
different potentials
Solderability
235°C/2s, acc. to IEC 60068-2-20,
test Ta, method 1
Soldering Heat
Resistance
350°C/5s, acc to IEC60068-2-20 test Tb,
method 1B
Minimum Cross
Section
Conducting path - 0.2mm
2
Torque/fixing screw
Max. 0.3 Nm
Product Characteristics
Dimensions
Derating curves
Admissible power acceptance in Watt
656 Series Holder
Ordering Information
* Ensure that proper fuse de-rating is factored in fuseholder selection.
(tRanSpaRent)
(opaque - SuItabLe
foR InfRaRed RefLow
SoLdeRIng pRoceSSeS)
660 Cover
659 Cover
656 Series Molded base pc Mount fuse block for 5×20mm fuses
Agency Approval
Agency
Agency File Number
VDE
40001499
E70164
Part Number
Description
Packaging
65600001009
Fuse Block - “A” dimension 22.5mm
Bulk Pack (100 Pcs)
65600001409
Fuse Block - “A” dimension 25mm
Bulk Pack (100 Pcs)
65900001009
Fuse Holder Cover - Transparent plastic
Bulk Pack (100 Pcs)
66000001009
Fuse Holder Cover - Opaque plastic, suitable for infrared (IR) reflow soldering process
Bulk Pack (100 Pcs)
Additional Information