Cartridge Fuse Blocks Fuse Block > 646 Series RoHS Pb 646 Series Molded Base Fuse Block For 520mm Fuses Product Characteristics Compatible Fuse Sizes For 520mm Fuses Holder: Black Thermoplastic, UL94 V-0 Polyamide PA 6.6 Cover: Transparent Thermoplastic,UL94 V-0, Materials Polycarbonate PC 648 Cover 640 Adapter Adapter: Polyester PBT, UL94 V-0 (Optional Cover) (Optional Adapter) Metal Parts: Tin plated Copper alloy Rated Voltage: 250V Electrical Data (23C) Max. Current/Power: 6.3A/2.5W 5A/1W (with No. 648) 6.3A/1.6W (with No. 640) Solder pins 0.5mm1.2mm Mounting 3mm screw hole may be used optionally 2 Minimum Cross Section Conducting path - 0.2mm 1.6g (Holder), 1.0g (Cover), Unit Weight 646 Series Holder 1.0g (Adapter) Note: If used with cover, refer to Fuseology for information on proper fuse block re-rating. Dimensions Ordering Information Max. 25.2 Max. 25.8 Pic 1 Pic 2 Ordering PN Description Pic Meas. For PCB-Thickness Min. 21 Min. 21 64600001003 Fuse Block 1 5mm 3mm 64600001223 Fuse Block 1 3.2mm 1.5mm 12 8.80.5 12 8.80.5 64600001233 Fuse Block 2 3.3mm 1.5mm A 1.3 A 22.7 1.3 22.7 Snap in Locking Device Position of the Mid-Fuse-Link Ordering PN Description Fuse PN Block PN Position of the Mid-Fuse-Link 4.5 64612007113 Fuse & Block Assy. 0215002.MXP 7.5 64612007123 Fuse & Block Assy. 0219002.MXAP 6460001233 4.6 +0.1 1.5 64614007143 Fuse & Block Assy. 0218004.MXP +0.3 22.6 -0.1 9 6 7.5 5.5 3.2 Ordering PN Description 1.2 22.1 64000001003 Adapter - Black 64000001403 Adapter - Brown Recommended Hole Pattern 64000001503 Adapter - White 26.6 9 64000001603 Adapter - Yellow 64000001703 Adapter - Green 64000001903 Adapter - Blue 9.7 64800001009 Clear Cover 14.5 1 Additional Information 22.5 4.7 10.4 24.5 Datasheet Resources Samples All dimensions in millimeters. 9 2 16 Note: 1.00 means the number one with two decimal places. 1,000 means the number one thousand. Contact Littelfuse for an auto-insertable fuse, holder and adapter assembly. 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. 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 05/28/20X-ON Electronics Largest Supplier of Electrical and Electronic Components Click to view similar products for Fuse Holder category: Click to view products by Littelfuse manufacturer: Other Similar products are found below : 570-290-741P40 570-290-751P40 020417G 020418E 6R30A1B F600A3B 80910030 8601.2020 G15A2SPQ 9-3557-GP REV A HDJ-B R6J30A3S HFH-1 RF30A2B RF30A3SP 15600-08-10 BK/FHN19G BK/HHM BK/HKP-CCHH BK/HKP-JJ BK/HTJ-LES-FUSE HMG- 241 HTJ-LES-FUSE C4044-1 2086-1 2193 2602 2650 178.000100 FHN31G1 T30A2B G4PB8 2660 2799 CQ-209V HKP-CCHH R6F30A2S 341001A 345621A CVRMCC 4202 4407 4408 4413 4423 4532 4537 TSD1404-12 BK/FHN31G1 BK/HC-5