Littelfuse 656 Series User Manual

Cartridge fuse blocks

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© 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

Datasheet

Samples

Resources

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