Features Applications n Very low profile n Power Over Ethernet (IEEE 802.3 af) port protection n Very fast tripping time n Automotive electronic control module n High voltage protection n RoHS compliant* and halogen free** n Telecom equipment low voltage n 2018 footprint protection n Agency recognition: MF-SMDF Series - PTC Resettable Fuses Electrical Characteristics Tripped Max. Time I I Resistance Power hold trip To Trip Dissipation V max. I max. Model Volts Amps Amperes Ohms Amperes Seconds Watts at 23 C at 23 C at 23 C at 23 C at 23 C R R Hold Trip Typ. min 1max MF-SMDF030*** 60 20 0.30 0.80 0.450 2.15 1.2 1.5 0.8 MF-SMDF050 60 10 0.55 1.20 0.200 1.0 2.5 3.0 0.9 MF-SMDF100/33X*** 33 40 1.10 2.20 0.06 0.40 8.0 0.5 1.4 MF-SMDF150 15 40 1.50 3.00 0.05 0.17 8.0 0.8 1.1 MF-SMDF200 10 40 2.00 4.00 0.030 0.100 8.0 2.4 1.1 MF-SMDF260/24X*** 24 20 2.60 5.20 0.015 0.075 8.0 0.8 1.1 *** TV approval pending. Environmental Characteristics Operating Temperature ......................................... -40 C to +85 C Humidity Aging MF-SMDF030, 050, 150 & 200 ........................ +85 C, 85 % R.H. 1000 hours ........................................ 1.2 % typical resistance change MF-SMDF100/33X & 260/24X ......................... +85 C, 85 % R.H. 1000 hours ........................................ 5 % typical resistance change Thermal Shock MF-SMDF030, 050, 150 & 200 ........................ +85 C to -40 C, 20 times .............................................. 20 % typical resistance change MF-SMDF100/33X & 260/24X ......................... +85 C to -40 C, 20 times .............................................. 10 % typical resistance change Passive Aging ....................................................... +85 C, 1000 hours .......................................................... 5 % typical resistance change Solvent Resistance ............................................... MIL-STD-202, Method 215 .............................................. No change (marking still legible) Vibration ............................................................... MIL-STD-883C, Method 2007.1, Condition A ................. No change (R < R < R ) min 1max Test Procedures And Requirements For Model MF-SMDF Series Test Test Conditions Accept/Reject Criteria Visual/Mech........................................................ Verify dimensions and materials ....................................... Per MF physical description Resistance ............................................................ In still air 23 C .............................................................. R R R min 1max Time to Trip ........................................................... At specified current, Vmax, 23 C .................................... T max. time to trip (seconds) Hold Current ......................................................... 30 min. at Ihold ................................................................. No trip Trip Cycle Life ....................................................... Vmax, Imax, 100 cycles .................................................... No arcing or burning Trip Endurance ..................................................... Vmax, 48 hours ................................................................. No arcing or burning Solderability .......................................................... ANSI/J-STD-002 ............................................................... 95 % min. coverage UL File Number .................................................... E174545 MF-SMDF Series - PTC Resettable Fuses Product Dimensions A B C D E Model Style Min. Max. Min. Max. Min. Max. Min. Min. Max. 4.72 5.44 4.22 4.93 0.79 1.09 0.30 MF-SMDF030 N/A N/A 1 (0.186) (0.214) (0.166) (0.194) (0.031) (0.043) (0.012) 4.72 5.44 4.22 4.93 0.79 1.09 0.30 MF-SMDF050 N/A N/A 1 (0.186) (0.214) (0.166) (0.194) (0.031) (0.043) (0.012) 4.72 5.44 4.22 4.93 0.70 1.25 0.30 0.25 0.70 MF-SMDF100/33X 2 (0.186) (0.214) (0.166) (0.194) (0.028) (0.049) (0.012) (0.010) (0.028) 4.72 5.44 4.22 4.93 0.55 0.85 0.30 MF-SMDF150 N/A N/A 1 (0.186) (0.214) (0.166) (0.194) (0.022) (0.033) (0.012) 4.72 5.44 4.22 4.93 0.55 0.85 0.30 MF-SMDF200 N/A N/A 1 (0.186) (0.214) (0.166) (0.194) (0.022) (0.033) (0.012) 4.72 5.44 4.22 4.93 0.70 2.00 0.30 0.25 0.70 MF-SMDF260/24X 3 (0.186) (0.214) (0.166) (0.194) (0.028) (0.079) (0.012) (0.010) (0.028) MM Packaging: 6000 pcs. per reel 4000 pcs. per reel for Model MF-SMDF260/24X. DIMENSIONS: (INCHES) Style 1 Top and Bottom View Side View Terminal material: Recommended Pad Layout Electroless Ni under immersion Au A C 1.5 0.05 1.5 0.05 (.059 .002) (.059 .002) Termination pad solderability: Standard Au finish: 4.6 0.1 Meets ANSI/J-STD-002 Category 2. B (.181 .004) Recommended Storage: 3.4 0.1 40 C max./70 % RH max. (.134 .004) D Typical Part Marking Represents total content. Layout may vary. Style 2 BI-WEEKLY DATE CODE: Top View Bottom View Side View (Y = WEEKS 49-50) A C YEAR CODE: (5 = 2005) 6 PART B IDENTIFICATION: 3S = MF-SMDF030 50 = MF-SMDF050 X 15 = MF-SMDF150 20 = MF-SMDF200 D E PART IDENTIFICATION: 6 = MF-SMDF100/33X Style 3 6 Top View Bottom View Side View A C X BI-WEEKLY DATE CODE: (X = WEEKS 47-48) PART IDENTIFICATION: B D = MF-SMDF260/24X D D E BI-WEEKLY DATE CODE: L (L = WEEKS 23-24) 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. 505Y 505Y