656 LITTELFUSE | Alldatasheet

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© 2021 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 07/09/21 Cartridge Fuse Blocks Fuse Block > 656 Series Compatible Fuse Size 5×20mm Materials Holder: Black Thermoplastic UL94 V-0 Metal Parts: Tin plated copper alloy Electrical Data Rated Voltage: VDE 250 VAC UL 500 VAC/DC Rated Current: 16 A (UL)/10 A (VDE) Rated Power Acceptance (at ambient air temp 23 ºC): - 4 W without cover - 4 W with 660 cover - 2.5 W with 659 cover Mounting 656: Solder pins 0.4mm×1 .1mm Ø 2.7mm screw hole may be used optionally Operating T emperature -40 ºC to +85 ºC Climatic Category 40/085/21 according to IEC 60068-1 Stock Conditions 0 °C to 60 °C, at max. 70% relative humidity Vibration Resistance According to IEC 60068-2-6, Test Fc Contact Resistance <5 mΩ Dielectric Strength > 3 kV , 50 Hz, 1 min. Impulse withstand Voltage > 4 kV between life parts Insulation Resistance (500 V DC/1 min): >10 MΩ between live parts of different potentials Solderability 245 °C/3 sec. according to IEC 60068-2-20, Test Ta, method 1 Soldering Heat Resistance 260 °C/10 sec. according to IEC 60068-2-20, test Tb method 1 Minimum Cross Section Conducting path - 0.2 mm2 T orque/fixing screw Max. 0.3 Nm RoHS Pb Product Characteristics Re-rating Curves I = 1.0In I = 0.7In I = <<In 3.5 0.5 3.0 2.5 2.0 1.5 1.0 4.0 0.0 806040200 100 Without Cover With Reflow-Cover Ambient Air Temperature Ta °C Admissible power acceptance in Watt

656 Series Holder

(transparent)(opaque - suitable for infrared reflow soldering processes)

660 Cover 659 Cover

656 Series Molded Base PC Mount Fuse Block For 5×20mm Fuses

I = 1.0In I = 0.7In I = <<In 0.5 2.5 2.0 1.5 1.0 0.0 806040200 100 With Transparent Cover Ambient Air Temperature Ta °C Admissible power acceptance in Watt RoHS RoHS RoHS Max. dimension for removal of cover Dimensions Dimensions in Millimeters Note: If used with covers, refer to Fuseology for information on proper fuse block re-rating. Additional Information Datasheet SamplesResources

© 2021 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 07/09/21 Cartridge Fuse Blocks Fuse Block > 656 Series

Ordering Information

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)

65900000009 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) 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. Wave Parameter Lead-Free Recommendation Preheat: (Depends on Flex Activation Temperature) (Typical Industry Recommendation) Temperature Minimum 100 ºC Temperature Maximum 150 ºC Preheat Time 60–180 seconds Solder Pot T emperature 260 ºC Maximum Solder Dwell Time 2–5 seconds Recommended Hand-Solder Parameters: Solder Iron Temperature: 350 ºC +/- 5 ºC Heating Time: 5 seconds max. Soldering Parameters–Wave Soldering