CO LO & MP LI GE AN N T FR EE *R oH S Features Applications ■ Radial leaded devices ■ Automotive applications ■ Smaller size for similar Ihold rating ■ Anywhere space is limited and fast tripping is required ** HA ■ Faster tripping ■ RoHS compliant* and halogen free** MF-RG Series - PTC Resettable Fuses Electrical Characteristics Ihold Model V max. Volts I max. Amps MF-RG300 MF-RG500 16 16 100 100 Itrip Amperes at 23 °C Hold Trip 3.00 5.10 5.00 8.50 Initial Resistance Ohms at 23 °C Min. Max. 0.038 0.065 0.015 0.023 1 Hour (R1) Post-Trip Resistance Ohms at 23 °C Max. 0.0975 0.0340 Max. Time To Trip Amperes at 23 °C Seconds at 23 °C 15 25 1.0 2.0 Tripped Power Dissipation Watts at 23 °C Typ. 2.30 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) Model Ambient Operating Temperature -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. * RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. ** Bourns follows the prevailing definition of “halogen free” in the industry. 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. Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. MF-RG Series - PTC Resettable Fuses Product Dimensions A Max. 7.1 (0.280) 10.4 (0.409) Model MF-RG300 MF-RG500 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) Tol. ± 0.7 (0.028) 0.7 (0.028) D Min. 7.6 (0.299) 7.6 (0.299) E Max. 3.0 (0.118) 3.0 (0.118) Physical Characteristics Style Lead Dia. Material 0.81 1 Sn/Cu (0.032) 0.81 1 Sn/Cu (0.032) F Nom. 0.81 (0.032) 0.81 (0.032) 0.81 (20AWG) TAPE & REEL: 3000 pcs. per reel. A E AMMO-PACK: 2000 pcs. per reel. DIMENSIONS: How to Order Typical Part Marking MF - RG 300 - 0 Represents total content. Layout may vary. MANUFACTURER'S TRADEMARK PART IDENTIFICATION B RG300 DATE CODE (LAST DIGIT OF YEAR & JULIAN DATE) 6180T MM (INCHES) LOT NO. (T = TAIWAN) D ® Multifuse Product Designator Series RG = Smaller Radial Leaded Component Hold Current, Ihold 300-500 (3.0 Amps - 5.0 Amps) Packaging Options - 0 = Bulk Packaging - 2 = Tape and Reel - AP = Ammo-Pak 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. I, 11/14 Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users 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. Dimension Description Carrier tape width IEC Mark EIA Mark W W Hold down tape width W4 Hold down tape W0 Top distance between tape edges W2 W6 Sprocket hole position W1 W5 Sprocket hole diameter D0 D0 Abscissa to plane (straight lead) H H Abscissa to plane (kinked lead) H0 H0 Abscissa to top (straight lead) H1 H1 Abscissa to top (kinked lead) H1 H1 Dimensions Dimensions Tolerance 18 -0.5/+1.0 (.709) (-0.02/+.039) 11 min. (.433) No protrusion Overall width w/lead protrusion (straight lead) C1 Overall width w/lead protrusion (kinked lead) C1 Overall width w/o lead protrusion (straight lead) C2 Overall width w/o lead protrusion (kinked lead) C2 3 (.118) 9 (.354) 4 (.157) 18.5 (.728) 16 (.63) 38.0 (1.496) 32.2 (1.268) 55.0 (2.165) 43.2 (1.7) 54.0 (2.126) 42.5 (1.673) 1.0 (.039) 11 (.433) Lead protrusion I1 L1 Protrusion of cutout L L Protrusion beyond hold-down tape I2 I2 Not specified Sprocket hole pitch P0 P0 12.7 (0.5) Pitch tolerance 20 consecutive Device pitch Tape thickness t Tape thickness with splice t t1 Splice sprocket hole alignment Body lateral deviation Δh Δh Body tape plane deviation Δp Δp ΔP1 P1 Lead spacing F F Reel width w w Reel diameter d a Lead seating plane deviation Space between flanges less device 12.7 (0.5) 0.9 (.035) 2.0 (.079) 4.0 (.157) 0 0 3.81 (.015) 8.0 (.315) 56.0 (2.20) 370.0 (14.57) 4.75 (.187) Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. max. -0.5/+0.75 (-0.02/+0.03) ±0.2 (±.0078) ±3.0 (±.118) ±0.5 (±.02) max. max. max. max. max. max. max. max. ±0.3 (±.012) ±1 (±.039) max. max. ±0.2 (±.008) ±1 (±.039) ±1.3 (±.051) ±0.7 (±.028) max. max. ±3.25 (±.128) DIMENSIONS: MM (INCHES) MF-RG Series Tape and Reel Specifications IEC Mark EIA Mark Arbor hole diameter f c Core diameter h n Dimension Description Dimensions Dimensions Tolerance 26.0 ±12.0 (1.02) (±.472) 80.0 max. (3.15) 62 355 345 nom. (2.44) (14.0) (13.6) Box Consecutive missing places 3 Empty places per reel max. Not specified Taped Component Dimensions - Figure 1 h p h p Reference plane P1 H1 A L I2 H1 F H H0 B W0 P0 I1 W1 DIMENSIONS: W D0 MM (INCHES) 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. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications.