features radial leaded devices smaller size for similar ihold rating faster tripping rohs compliant* applications automotive applications anywhere space is limited and fast tripping is required mf-rg series - ptc resettable fuses *rohs directive 2002/95/ec jan. 27, 2003 including annex and rohs recast 2011/65/eu june 8, 2011. speci cations 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 perfor mance may vary over time. users should verify actual device performance in their speci c applications. electrical characteristics model v max. volts i max. amps i hold i trip initial resistance 1 hour (r 1 ) post-trip resistance max. time to trip tripped power dissipation amperes at 23 ? ohms at 23 ? ohms at 23 ? amperes at 23 ? seconds at 23 ? watts at 23 ? hold trip min. max. max. typ. mf-rg300 16 100 3.00 5.10 0.038 0.065 0.0975 15 1.0 2.30 MF-RG500 16 100 5.00 8.50 0.015 0.023 0.0340 25 2.0 2.60 *rohs compliant environmental characteristics operating/storage temperature ........................... -40 ? to +85 ? maximum device surface temperature in tripped state .................................................... 125 ? passive aging ....................................................... +85 ?, 1000 hours ....................................... ........ ? % typical resistance change humidity aging...................................................... +85 ?, 85 % r.h. 1000 hours ............................. 5 % typical resistance change thermal shock ..................................................... -40 ? to +85 ?, 10 times ................................. ... ?0 % 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 ? ................................... .............. rmin r rmax time to trip ........................................................... 5 times ihold, vmax, 23 ? ............................ ....... 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 - i hold (amps) model ambient operating temperature -40 ? -20 ? 0 ? 23 ? 40 ? 50 ? 60 ? 70 ? 85 ? 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 i trip is approximately two times i hold . r g 7 0 0
speci cations 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 perfor mance may vary over time. users should verify actual device performance in their speci c applications. mf-rg series - ptc resettable fuses product dimensions dimensions: mm (inches) model a max. b max. c d min. e max. f nom. physical characteristics nom. tol. style lead dia. material mf-rg300 7.1 (0.280) 11.0 (0.433) 5.1 (0.201) 0.7 (0.028) 7.6 (0.299) 3.0 (0.118) 0.81 (0.032) 1 0.81 (0.032) sn/cu MF-RG500 10.4 (0.409) 14.3 (0.563) 5.1 (0.201) 0.7 (0.028) 7.6 (0.299) 3.0 (0.118) 0.81 (0.032) 1 0.81 (0.032) sn/cu packaging options: bulk: 500 pcs. per bag. tape & reel: 3000 pcs. per reel. ammo-pack: 2000 pcs. per reel. mf-rg series, rev. g, 06/13 typical time to trip at 23 ?c how to order mf - rg 300 - 0 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 typical part marking represents total content. layout may vary. 0.81 (20awg) a e b d c f note: kinked leads are available for board standoff options. contact factory for details. rg300 6180t manufacturer's trademark part identification date code (last digit of year & julian date) lot no. (t = taiwan) 0.001 0.01 0.1 1 10 100 1 10 100 fault current (amps) time to trip (seconds) mf-rg300 MF-RG500
iec eia dimensions dimension description mark mark dimensions tolerance carrier tape width w w 18 -0.5/+1.0 (.709) (-0.02/+.039) hold down tape width w 4 11 min. (.433) hold down tape w 0 no protrusion top distance between tape edges w 2 w 6 3 max. (.118) sprocket hole position w 1 w 5 9 -0.5/+0.75 (.354) (-0.02/+0.03) sprocket hole diameter d 0 d 0 4 ?.2 (.157) (?0078) abscissa to plane (straight lead) h h 18.5 ?.0 (.728) (?118) abscissa to plane (kinked lead) h 0 h 0 16 ?.5 (.63) (?02) abscissa to top (straight lead) h 1 h 1 38.0 max. (1.496) abscissa to top (kinked lead) h 1 h 1 32.2 max. (1.268) overall width w/lead protrusion (straight lead) c 1 55.0 max. (2.165) overall width w/lead protrusion (kinked lead) c 1 43.2 max. (1.7) overall width w/o lead protrusion (straight lead) c 2 54.0 max. (2.126) overall width w/o lead protrusion (kinked lead) c 2 42.5 max. (1.673) lead protrusion i 1 l 1 1.0 max. (.039) protrusion of cutout l l 11 max. (.433) protrusion beyond hold-down tape i 2 i 2 not speci ed sprocket hole pitch p 0 p 0 12.7 ?.3 (0.5) (?012) pitch tolerance 20 consecutive ? (?039) device pitch 12.7 (0.5) tape thickness t t 0.9 max. (.035) tape thickness with splice t 1 2.0 max. (.079) splice sprocket hole alignment 4.0 ?.2 (.157) (?008) body lateral deviation h h 0 ? (?039) body tape plane deviation p p 0 ?.3 (?051) lead seating plane deviation p 1 p 1 3.81 ?.7 (.015) (?028) lead spacing f f 8.0 (.315) reel width w w 56.0 max. (2.20) reel diameter d a 370.0 max. (14.57) space between anges less device 4.75 ?.25 (.187) (?128) mf-rg series tape and reel speci cations speci cations 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 perfor mance may vary over time. users should verify actual device performance in their speci c applications. devices taped using eia468?/iec60286-2 standards. see table below and figures 1 and 2 for details. dimensions: mm (inches)
t user direction of feed cross section a - b p p h h 1 reference plane w 0 h 0 w 1 w a b f d 0 p 0 i 1 i 2 l h 1 p 1 h h iec eia dimensions dimension description mark mark dimensions tolerance arbor hole diameter f c 26.0 ?2.0 (1.02) (?472) core diameter h n 80.0 max. (3.15) box 62 355 345 nom. (2.44) (14.0) (13.6) consecutive missing places 3 max. empty places per reel not speci ed mf-rg series tape and reel speci cations speci cations 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 perfor mance may vary over time. users should verify actual device performance in their speci c applications. taped component dimensions - figure 1 reel dimensions - figure 2 h w h f d reel upper side tape lower side user direction of feed dimensions: mm (inches)
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