NT Features M PL IA ■ oH S CO ■ ■ RG *R 700 ■ Applications Radial leaded devices Smaller size for similar Ihold rating Faster tripping RoHS compliant* ■ ■ Automotive applications Anywhere space is limited and fast tripping is required MF-RG Series - PTC Resettable Fuses Electrical Characteristics Ihold V max. Volts I max. Amps MF-RG300 16 MF-RG500 16 Model Initial Resistance Itrip 1 Hour (R1) Post-Trip Resistance Ohms at 23 °C Max. Max. Time To Trip Amperes at 23 °C Tripped Power Dissipation Amperes at 23 °C Hold Trip Ohms at 23 °C Min. Max. Seconds at 23 °C Watts at 23 °C Typ. 100 3.00 5.10 0.038 0.065 0.098 15 1.0 2.30 100 5.00 8.50 0.015 0.023 0.034 25 2.0 2.60 Environmental Characteristics Operating/Storage Temperature ........................-40 °C to +85 °C Maximum Device Surface Temperature in Tripped State ................................................125 °C Passive Aging......................................................+85 °C, 1000 hours ....................................±5 % typical resistance change Humidity Aging....................................................+85 °C, 85 % R.H. 1000 hours....................±5 % typical resistance change Thermal Shock ....................................................-40 °C to +85 °C, 10 times ..........................±10 % typical resistance change Solvent Resistance ............................................MIL-STD-202, Method 215 ........................No change Vibration ..............................................................MIL-STD-883C, Method 2007.1, ................No change Condition A Test Procedures And Requirements For Model MF-RG Series Test Test Conditions Accept/Reject Criteria Visual/Mech. ......................................................Verify dimensions and materials..................Per MF physical description Resistance ..........................................................In still air @ 23 °C ........................................Rmin ≤ R ≤ Rmax Time to Trip ........................................................5 times Ihold, 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 Thermal Derating Chart - Ihold (Amps) Ambient Operating Temperature Model -40 °C -20 °C 0 °C 23 °C 40 °C 50 °C 60 °C 70 °C 85 °C MF-RG300 4.4 4.0 3.6 3.0 2.6 2.4 2.1 1.9 1.4 MF-RG500 7.3 6.6 6.0 5.0 4.4 4.0 3.6 3.1 2.4 *Itrip is approximately two times Ihold. Circuit Protection Division Asia-Pacific: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116 Europe: Tel: +41-41 768 5555 • Fax: +41-41 768 5510 The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700 www.bourns.com *RoHS Directive 2002/95/EC Jan 27 2003 including Annex. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. MF-RG Series - PTC Resettable Fuses Product Dimensions Model MF-RG300 MF-RG500 A Max. 7.1 (0.280) 10.4 (0.409) Packaging options: BULK: 500 pcs. per bag. B Max. 11.0 (0.433) 14.3 (0.563) C Nom. 5.1 (0.201) 5.1 (0.201) D Min. 7.6 (0.299) 7.6 (0.299) Tol. ± 0.7 (0.028) 0.7 (0.028) E Max. 3.0 (0.118) 3.0 (0.118) F Nom. 0.81 (0.032) 0.81 (0.032) Physical Characteristics Style Lead Dia. Material 0.81 1 Sn/Cu (0.032) 0.81 1 Sn/Cu (0.032) DIMENSIONS = 0.81 (20AWG) TAPE & REEL: 1000 pcs. per reel. A E AMMO-PACK: 2000 pcs. per reel. Typical Part Marking MM (INCHES) How to Order MF - RG 300 - __ Represents total content. Layout may vary. Multifuse Product Designator ® B MANUFACTURER'S TRADEMARK PART IDENTIFICATION RG300 DATE CODE (LAST DIGIT OF YEAR & JULIAN DATE) 6180T LOT NO. (T = TAIWAN) Style RG = Smaller Radial Leaded Component Component Hold Current, Ihold 300-500 (3.0 Amps - 5.0 Amps) Packaging Options = Bulk Packaging - 2 = Tape and Reel - AP = Ammo-Pak D F C NOTE: Kinked leads are available for board standoff options. Contact factory for details. Typical Time to Trip at 23 °C 100 Time to Trip (Seconds) 10 1 0.1 MF-RG500 0.01 MF-RG300 0.001 1 10 100 Fault Current (Amps) MF-RG SERIES, REV. C, 06/07 COPYRIGHT© 2005, BOURNS, INC. LITHO IN U.S.A., MF0526 12/05 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. MF-RG Series Tape and Reel Specifications Devices taped using EIA468–B/IEC60286-2 standards. See table below and Figures 1 and 2 for details. Dimensions Dimensions Tolerance Dimension Description IEC Mark EIA Mark Carrier tape width W W 18 (.709) -0.5/+1.0 (-0.02/+.039) W4 11 (.433) min. Hold down tape width: all others Hold down tape W0 Top distance between tape edges W2 No protrusion W6 3 (.118) max. -0.5/+0.75 (-0.02/+0.03) ±0.2 (±.0078) Sprocket hole position W1 W5 Sprocket hole diameter D0 D0 9 (.354) 4 (.157) Abscissa to plane (straight lead) H H 18.5 (.728) ±3.0 (±.118) Abscissa to plane (kinked lead) H0 H0 ±0.5 (±.02) Abscissa to top (straight lead) H1 H1 16 (.63) 38.0 (1.496) Abscissa to top (kinked lead) H1 Overall width w/lead protrusion (straight lead) Overall width w/lead protrusion (kinked lead) Overall width w/o lead protrusion (straight lead) Overall width w/o lead protrusion (kinked lead) Lead protrusion I1 C1 C1 43.2 (1.7) max. C2 54.0 (2.126) max. C2 42.5 (1.673) max. L1 1.0 (.039) max. max. H1 Protrusion of cutout L L 11 (.433) Protrusion beyond hold-down tape I2 I2 Not specified Sprocket hole pitch P0 P0 12.7 (0.5) Pitch tolerance 20 consecutive max. max. ±0.3 (±.012) ±1 (±.039) 12.7 (0.5) Device pitch: Tape thickness max. 32.2 (1.268) 55.0 (2.165) t Tape thickness with splice: t 0.9 (.035) max. t1 2.0 (.079) max. 4.0 (.157) ±0.2 (±.008) Splice sprocket hole alignment Body lateral deviation ∆h ∆h 0 ±1 (±.039) Body tape plane deviation ∆p ∆p 0 ±0.3 (±.051) Lead seating plane deviation ∆P1 P1 3.81 (.015) ±0.7 (±.028) Lead spacing: F F 8.0 (.1315) Reel width w w 56.0 (2.20) max. a 370.0 (14.57) max. 4.75 (.187) ±3.25 (±.128) Reel diameter d Space between flanges less device DIMENSIONS = Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. MM (INCHES) MF-RG Series Tape and Reel Specifications IEC Mark Dimension Description EIA Mark Arbor hole diameter f c Core diameter h n Dimensions Dimensions Tolerance 26.0 (1.02) 80.0 (3.15) 64 (2.52) Box Consecutive missing places 372 (14.6) ±12.0 (±.472) max. 362 (14.25) max. 3 Empty places per reel max. Not specified Taped Component Dimensions - Figure 1 ∆p ∆h ∆h ∆p Reference plane P1 H1 A L I2 H1 F H H0 B W0 I1 P0 D0 DIMENSIONS = MM (INCHES) W1 W User direction of feed Cross section A - B t Reel Dimensions - Figure 2 Reel h d User direction of feed Upper side Tape Lower side f h w Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.