Cartridge Fuse Blocks Fuse Block > 656 Series RoHS Pb 656 Series Molded Base PC Mount Fuse Block For 520mm Fuses Product Characteristics Compatible Fuse Size 520mm Holder: Black Thermoplastic UL94 V-0 RoHS RoHS Materials Metal Parts: Tin plated copper alloy 660 Cover 659 Cover Rated Voltage: (opaque - suitable for infrared reflow (transparent) VDE 250 VAC soldering processes) UL 500 VAC/DC Rated Current: 16 A (UL)/10 A (VDE) Electrical Data Rated Power Acceptance (at ambient air temp 23 C): - 4 W without cover RoHS - 4 W with 660 cover - 2.5 W with 659 cover 656 Series Holder 656: Solder pins 0.4mm1.1mm Mounting 2.7mm screw hole may be used optionally Operating Temperature -40 C to +85 C Agency Approval Climatic Category 40/085/21 according to IEC 60068-1 Stock Conditions 0 C to 60 C, at max. 70% relative humidity Agency Agency File Number Vibration Resistance According to IEC 60068-2-6, Test Fc 40001499 Contact Resistance <5 m E70164 Dielectric Strength > 3 kV, 50 Hz, 1 min. Impulse withstand > 4 kV between life parts Voltage (500 V DC/1 min): >10 M between live parts of Insulation Resistance different potentials Additional Information 245 C/3 sec. according to IEC 60068-2-20, Solderability Test Ta, method 1 Soldering Heat 260 C/10 sec. according to IEC 60068-2-20, Resistance test Tb method 1 2 Minimum Cross Section Conducting path - 0.2 mm Datasheet Resources Samples Torque/fixing screw Max. 0.3 Nm Note: If used with covers, refer to Fuseology for information on proper fuse block re-rating. Dimensions Re-rating Curves 4.0 3.5 3.0 I = 1.0I n 2.5 I = 0.7I n I = <<I 2.0 n 1.5 1.0 Without Cover 0.5 With Reow-Cover Max. dimension for removal of cover 0.0 Dimensions in Millimeters 0 20 40 60 80 100 Ambient Air Temperature T C a 2.5 2.0 I = 1.0I n 1.5 I = 0.7I n 1.0 I = <<I n 0.5 With Transparent Cover 0.0 0 20 40 60 80 100 Ambient Air Temperature T C a 2021 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 07/09/21 Admissible power Admissible power acceptance in Watt acceptance in WattCartridge Fuse Blocks Fuse Block > 656 Series Soldering ParametersWave Soldering Wave Parameter Lead-Free Recommendation Preheat: (Depends on Flex Activation (Typical Industry Recommendation) Temperature) Temperature Minimum 100 C Temperature Maximum 150 C Preheat Time 60180 seconds Solder Pot Temperature 260 C Maximum Solder Dwell Time 25 seconds Recommended Hand-Solder Parameters: Solder Iron Temperature: 350 C +/- 5 C Heating Time: 5 seconds max. Ordering Information Part Number Description Packaging Bulk Pack 65600001009 Fuse Block - A dimension 22.5mm (100 Pcs) Bulk Pack 65600001409 Fuse Block - A dimension 25mm (100 Pcs) Bulk Pack 65900000009 Fuse Holder Cover - Transparent plastic (100 Pcs) Bulk Pack 66000001009 Fuse Holder Cover - Opaque plastic, suitable for infrared (IR) reflow soldering process (100 Pcs) Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at: www.littelfuse.com/disclaimer-electronics. 2021 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 07/09/21