SF0402F

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• Manufacturer or author: Bourns, Inc
• PDF pages: 5

Technical content

SF-0402F Series - Fast Acting Surface Mount Fuses *RoHS COMPLIANT **HALOGEN FREE SinglFuse™ SF-0402F Series Features ■ Fast acting thin film chip fuse for overcurrent protection ■ 1005 (EIA 0402) miniature footprint ■ Surface mount packaging for automated assembly ■ UL 248-14 compliant ■ RoHS compliant* and halogen free** Clearing Time Characteristics for Series % of Current Rating Clearing Time at 25 °C Min. Max. 100 % 4 hours — 200 % — 60 seconds Additional Information Click these links for more information: PRODUCT TECHNICAL LIBRARY INVENTORY SAMPLES CONTACT

Electrical Characteristics

(A) Resistance (Ω) Typ.* Rated Voltage Interrupting Rating Typical I2t (A2s) ** Certifications cUL: E198545 SF-0402F0315-2 0.315 0.69

32 VDC 35 A @ 32 VDC

0.00203 ✓ SF-0402F050-2 0.50 0.34 0.00317 ✓ SF-0402F075-2 0.75 0.14 0.00402 ✓ SF-0402F080-2 0.80 0.10 0.00532 ✓ SF-0402F100-2 1.00 0.095 0.00724 ✓ SF-0402F125-2 1.25 0.057 0.01344 ✓ SF-0402F150-2 1.50 0.045 0.01356 ✓ SF-0402F160-2 1.60 0.044 0.01672 ✓ SF-0402F200-2 2.00 0.033 0.01983 ✓ SF-0402F250-2 2.50 0.025 0.03763 ✓ SF-0402F300-2 3.00 0.019 0.05427 ✓ SF-0402F315-2 3.15 0.018 0.06304 ✓ SF-0402F400-2 4.00 0.012 0.0896 ✓ * Resistance measured with ≤10 % rated current at 25 °C ambient. Tolerance ± 25 %. ** Melting I2t calculated at 10 times rated current. Environmental Characteristics Storage Conditions *RoHS Directive 2015/863, Mar 31, 2015 and Annex. ** Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less; (b) the Chlorine (Cl) content is 900 ppm or less; and (c) the total Bromine (Br) and Chlorine (Cl) content is 1500 ppm or less. “SinglFuse” is a trademark of Bourns, Inc. Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. WARNING Cancer and Reproductive Harm www.P65Warnings.ca.gov SELECTOR

SF-0402F Series - Fast Acting Surface Mount Fuses SinglFuse™ SF-0402F Series Applications ■ Portable memory ■ LCD monitors ■ Disk drives ■ PDAs ■ Digital cameras ■ DVDs ■ Cell phones ■ Rechargeable battery packs ■ Battery chargers ■ Set top boxes ■ Industrial controllers Average Pre-Arcing Time vs. Current Curves Average I2t vs. t Curves 100 0.1 0.01 0.001 0.1 1 10 CURRENT (A) PRE-ARCING TIME (SECONDS) 100 3.00 A0.80 A 2.50 A1.00 A 2.00 A1.25 A 1.60 A 3.15 A 4.00 A 1.50 A 0.50 A 0.75 A 0.315 A 100 0.1 0.01 0.001 0.001 0.01 0.1 TIME (SECONDS) I2t (A2s) 4.00 A 1.25 A 1.00 A 0.80 A 0.75 A 0.50 A 0.315 A 2.50 A 2.00 A 1.60 A 1.50 A 3.15 A 3.00 A Product Dimensions 1.0 ± 0.1 (.039 ± .004) 0.2 ± 0.1 (.008 ± .004) 0.2 ± 0.1 (.008 ± .004) 0.52 ± 0.05 (.020 ± .002) 0.25 ± 0.1 (.010 ± .004) 0.25 ± 0.1 (.010 ± .004) 0.35 ± 0.05 (.014 ± .002) DIMENSIONS: MM (INCHES) Recommended Pad Layout 0.5 ± 0.1 (.020 ± .004) 1.5 ± 0.1 (.059 ± .004) 0.55 ± 0.05 (.022 ± .002) Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.

SF-0402F Series - Fast Acting Surface Mount Fuses Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. Thermal Derating Curve 120 110 100 -20 0 20 40 AMBIENT TEMPERATURE (°C) RATED CURRENT PERCENTAGE (%) 60 80 100 120 Packaging Reel Dimension 7-inch Tape and Reel Specification EIA 481-2 Quantity 10,000 pieces Packaging Code -2 Typical Part Marking Represents total content. Layout may vary. RATED CURRENT (A) D = 0.315 F = 0.50 V = 0.75 K = 0.80 L = 1.00 M = 1.25 P = 1.50 N = 1.60 S = 2.00 T = 2.50 3 = 3.00 U = 3.15 W = 4.00 How to Order SF - 0402 F 0315 - 2 SinglFuse™ Product Designator SMD Footprint 1005 (EIA 0402) size Fuse Blow Type F = Fast acting Rated Current 0315-400 (315 mA - 4.00 A) Packaging Type - 2 = Tape & Reel (10,000 pcs./reel) Solder Reflow Recommendations Peak: 250 +0/-5 °C 230 °C or higher PRE-HEATING ZONE SOLDERING ZONE HEATING TIME 180 °C 250 200 150 TEMPERATURE (°C) 100 150 °C 90 ± 30 Seconds 30 ± 10 Seconds PEAK: 250 +0/-5 °C, 5 seconds PRE-HEATING ZONE: 150 to 180 °C, 90 ± 30 seconds SOLDERING ZONE: 230 °C or higher, 30 ± 10 seconds

SF-0402F Series - Fast Acting Surface Mount Fuses Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. REV. 04/21 Asia-Pacific: Tel: +886-2 2562-4117 • Email: asiacus@bourns.com EMEA: Tel: +36 88 885 877 • Email: eurocus@bourns.com The Americas: Tel: +1-951 781-5500 • Email: americus@bourns.com www.bourns.com Reliability Testing No. Test Requirement Test Condition

1 Carrying Capacity No fusing Rated current, 4 hours

2 Fusing Time Within 1 minute 200 % of its rated current

3 Interrupting Ability No mechanical damages After the fuse is interrupted, rated voltage applied

4 Bending Test No mechanical damages Distance between holding points: 90 mm,

Bending: 3 mm,1time, 30 seconds

5 Resistance to Solder Heat ±20 % 260 °C ±5 °C,10 seconds ±1 second

6 Solderability 95 % coverage minimum 235 °C ±5 °C, 2 ±0.5 second 245 °C ±5 °C, 2 ±0.5 second (lead free)

7 Temperature Rise <75 ° 100 % of its rated current, measure of surface

8 Resistance to Dry Heat ±20 % 105 °C ±5 °C,1000 hours

9 Resistance to Solvent No evident damage on protective coating

and marking 23 °C ±5 °C of isopropyl alcohol, 90 seconds

10 Residual Resistance 10k ohms or more Measure DC resistance after fusing

11 Thermal Shock ΔR < 10 % -20 °C / +25 °C /+125 °C /+25 °C, 10 cycles

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