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Littelfuse
606 Series

606 Series

Product catalog summary

Overview: The 606 Series High-Current Fuse is a cartridge fuse designed for over-current protection in high voltage applications. It is rated at 500VAC with current ratings from 40A to 63A and an interrupting rating of 2,000A at 500VAC. The fuse is RoHS compliant and lead-free.

Specifications: The fuse has a nominal cold resistance ranging from 1.06 to 1.70 mOhms and a nominal melting I2t from 2500 to 7000 A2sec. It is designed for through-hole mounting on circuit boards and is suitable for applications such as uninterruptible power supplies, electric vehicle supply equipment, power conversion equipment, and motor protection in elevator systems.

Electrical Characteristics: The fuse opens at 100% of the ampere rating within a minimum of 1 hour and at 200% within a maximum of 120 seconds. It is available in ampere ratings of 40A, 50A, and 63A.

Soldering Parameters: Recommended wave soldering parameters include a preheat temperature range of 100°C to 150°C for 60-180 seconds, a solder pot temperature of 260°C maximum, and a solder dwell time of 2-5 seconds. Hand-soldering should be done at 350°C ± 5°C for a maximum of 5 seconds.

Environmental and Mechanical Characteristics: The operating temperature range is -55ºC to +125ºC. The fuse meets various MIL-STD-202 standards for thermal shock, vibration, moisture resistance, salt spray, terminal strength, and solderability.

Packaging and Part Numbering: The fuses are available in trays of 500 pieces. The part numbering system includes series, amp code, quantity code, packaging code, and option code for lead-free products.

Materials: The body is made of melamine, caps are copper alloy, and leads are tin-plated copper alloy. Product markings include brand logo, current and voltage ratings, series, and agency approval marks.

Catalog excerpts

Expertise Applied | Answers Delivered High Current & Voltage Cartridge FuseHigh-Current > 606 Series 606 Series High-Current Fuse Agency Approvals © 2018 Littelfuse, Inc. Application testing is strongly recommended. Specifications are subject to change without notice. Revised: 01/30/18

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High Current & Voltage Cartridge Fuse High-Current > 606 Series , Expertise Applied | Answers Delivered Temperature Re-rating Curve Recommended Hand-Solder Parameters: Solder Iron Temperature: 350°C +/- 5°C Heating Time: 5 seconds max. Note: These components are not recommended for IR or Convection Reflow process. © 2018 Littelfuse, Inc. Application testing is strongly recommended. Specifications are subject to change without notice. Revised: 01/30/18

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High Current & Voltage Cartridge Fuse , High-Current > 606 Series Expertise Applied | Answers Delivered Product Characteristics 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. © 2018 Littelfuse, Inc. Application testing is strongly recommended. Specifications are subject to change...

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