Axial Lead & Cartridge Fuses 3AB > Fast-Acting > 506 Series 506 Series Lead-Free 3AB, Fast-Acting Fuse RoHS Pb Description A 600Vdc rated ceramic fuse with remarkable interrupting rating in a compact 6.3×32mm package, which is well suited for circuit protection in high DC energy applications. Features • Recognized to UL/CSA/ • Superior interrupting NMX 248-1 and UL/CSA/ rating of 10,000 NMX 248-14 Amperes. • Available in cartridge and • Compact form factor of axial lead form. 6.3×32mm. • Lead-free, Halogen free, Agency Approvals and RoHS compliant. Agency Certificate Number Ampere Range E10480 15A - 20A Applications N/A 15A - 20A High energy and power efficient applications. Electrical Characteristics for Series Additional Information % of Ampere Rating Ampere Rating Opening Time 100% 3600 sec, Min 135% 15A - 20A 3600 sec, Max Datasheet Resources Samples Accessories 200% 120 sec, Max For recommended fuse accessories for this product series, see ‘Recommended Accessories’ section. Electrical Characteristic by ltem Amp Rating Interrupting Nominal Cold Nominal Melting Agency Approvals Amp Code Voltage Rating (DC) (A) Rating Resistance (Ohms) I2t (A2 sec.) 15 015. 600 0.008 61 x 16 016. 600 10KA @ 600VDC 0.008 61 x 20 020. 600 0.006 105 x © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: BA.08/20/20

Axial Lead & Cartridge Fuses 3AB > Fast-Acting > 506 Series Temperature Re-rating Curve Average Time Current Curves 10000 506015 506016 506020 1000 100 s) d on 10 c e s e ( 1 m Ti 0.1 0.01 0.001 0.01 0.1 1 Amps 10 100 Note: Rerating depicted in this curve is in addition to the standard derating of 25% for continuous operation. Product Characteristics Body : Ceramic Operating Temperature –55ºC to +125ºC Materials Cap : Nickel Plated Brass MIL-STD-202, Method 107, Thermal Shock MIL-STD-202, Method 211, Test condition B: (5 cycles -65ºC to 125ºC) Terminal Strength Test condition A Vibration MIL-STD-202, Method 201 Solderability MIL-STD-202 Method 208 MIL-STD-202, Method 103, Product Marking Cap1 : Brand logo, current and voltage ratings Humidity Test condition A: High relative humidity (95%) Cap2 : Series and agency approval marks and Elevated temperature (40ºC) for 240 hours Salt Spray MIL-STD-202, Method 101, Test condition B Soldering Parameters - Wave Soldering Recommended Process Parameters: Measured on bottom side of board 111122222324680246800000000000 (P D r eeTTpeehemmenadppts:ee orrWaantt Fauulvrrueeex MMAPcaiatnrixvaiamimmtiouuenmmt Tee::rmperature) (11T05y00p°°icLCCaela Idn-dFurseter yR Reecocommmmeennddaattiioonn) ) - 100 Preheat Time: 60-180 seconds mperature ( 24680000 SSoollddeerr PDowt eTell mTimpeer:ature: 226-50 °sCec Monadxsimum Te 0 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 RSoelcdoerm Irmone nTdemedp eHraatnudre-S: 3o5ld0°eCr P+/a-r 5a°mCe ters: Time (Seconds) Heating Time: 5 seconds max. Preheat Time Cooling Time Note: These devices are not recommended for IR or Convection Reflow process. Dwell Time © 2020 Littelfuse, Inc. Specifications are subject to change without notice. Revised: BA.08/20/20

Axial Lead & Cartridge Fuses 3AB > Fast-Acting > 506 Series Dimensions Part Numbering System 0506 xxxx M X E P 506 000P Series 506 000P Series (cartridge) (axial leaded) Series AMP Code 6.35±0.3 6.985±0.3 Refer to Amp Code column of (.25") (.275") Electrical Characteristics Table 31.75±1.12 32.72±1.12 (1.25") (1.288") Quantity Code M = 1000 Axial Lead Diameter: Axial Lead Length: 1.2±0.05 (.047") 38.1±3.15 (1.50") TYP. Packing Code Axial Lead Material: X = Filler Tin-coated copper Option Code E = Axial Leaded Lead-Free Packaging Packaging Option Packaging Specification Quantity Quantity & Packaging Code Reel Size 506 Series Bulk N/A 1000 MX N/A Bulk N/A 1000 MXE N/A Recommended Accessories Accessory Type Series Description Max Application Voltage Max Application Amperage Holder 150322 In-Line Fuseholder 500 15 354 Low Profile OMNI-BLOK® Fuse Block 30 Block 600 359 High Current Screw Terminal Fuse Block 30 122 High Current Traditional PC Board Fuse Clip 1000 30 Clip 101 Rivet/Eyelet Type Fuse Clip 1000 15 Notes: 1. Do not use in applications above rating. 2. Please refer to fuseholder data sheet for specific re-rating information. 3. Please contact factory for applications greater than the max voltage and amperage shown. 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: BA.08/20/20