(rgm) anti - surge pulse load melf resistors token electronics industry co., ltd. taiwan: no.137, sec. 1, zhongxing rd., wugu district, new taipei city, taiwan, r.o.c. 24872 t el : +886 2981 0109 f ax : +886 2988 7487 china: 12f, zhong xing industry bld., chuang ye road, nan shan district, shen zhen city, guang dong, china 518054 tel : +86 755 26055363; fax : +86 755 26055365 web: www.token.com.tw email: rfq@token.com.tw version: january 12, 2017
taiwan factory : +886 2 29810109 http://www.token.com.tw rfq@token.com.tw china factory : +86 755 26055363 page: 1 / 4 ? product introduction features : ? tolerance range: 0.5% to 10%; resistance range: 10k ~ 1g . ? high pulse handling capability. din: 0207, 0309, 0411. ? temperature coefficient: 100ppm/ , 200ppm/ . ? combine high resistance range with high voltage. ? power dissipation rating at 70 up to 3w. ? speciality metal glaze film technology. ? lead (pb) - free and rohs compliant. applications : ? power supply (smps): voltage divider, isolation, pfc control, mains protection and discharge path resistor. ? ctv, crt monitor : isolation resistor, mains protection, discharge path resistor and power factor control (pfc). ? test & measurement: voltage divider and surge protection. ? home appliances: control module for surge protection. ? electronic ballast: ignition, switching spark ci rcuit. providing design engineers with a family of resistors designed specifically for surge and pulse applications, token electronics' family of power melf resistors feature extended performance capability with ratings up to 3w. consisting of the rgm16m, rgm17m, rgm18m, and rgm74 series resistors, the devices in the power melf family all use token's metal glaze resistive element on ceramic substrates. the rgm anti - surge melf series feature metal caps fitted on the terminals of the cylindrical resis tor body to give the devices exceptional thermal compliance. the resistors in the power melf family provide excellent thermal compliance as well as a variety of surge capabilities. the rugged rgm18m series resistors are rated up to 3w and provide maximum t hermal compliance, while the rgm74 series resistors offer as much as three times the surge rating of standard resistors, which equates to up to 10 times the surge rating of similar - sized flat thick film chip resistors. the range of capabilities allows cust omers to select the best device to provide stable performance in harsh environment applications. the metal glaze thick film element on the rgm series devices is fired at 1000 to a solid ceramic substrate. the resistors feature power ratings of 0.5w, 1w, 2 w and 3w at 70 . resistance values range from 10k ~ 1g with standard tolerance to 0.5%, maximum voltage of up to 6000v and tcrs 100ppm/ . maximum operating temperature for the resistors is +125 . the rgm melf series is a perfect fit when an anti - surge resistor is required. other major applications of rgm resistors are: ac mains protection, isolation between primary/secondary circuits in tvs, voltage dividers, ignition/switching circuit in electroni c ballasts. token will also produce melf devices outside these specifications to meet customer requirements. contact us with your specific needs. p lease link to token official website " melf resistors " f o r more information . pulse load melf resistor (rgm) provides maximum thermal compliance.
taiwan factory : +886 2 29810109 http://www.token.com.tw rfq@token.com.tw china factory : +86 755 26055363 page: 2 / 4 ? dimensions dimensions & recommended soldering bath dimensions (r gm) type rgm74 rgm16m rgm17m rgm18m din type din: 0207 din: 0207 din: 0309 din: 0411 dimension max (0.3 mm) l 5.7 6.1 8.7 11 l1 3.5 3.9 6.2 8.8 d 2.1 2.1 3.1 3.9 k 0.6 0.8 1.0 1.3 d1 d+0/d - 0.5 d+0/d - 0.5 d+0/d - 0.5 d+0/d - 0.5 recommended soldering bath dimension (unit: mm) s 3.3 3.5 5.6 7.2 w 3.2 4.0 5.0 7.0 h 3.2 4.5 5.0 5.0 pulse load melf (rgm) dimensions recommended soldering bath (rgm) dimensions
taiwan factory : +886 2 29810109 http://www.token.com.tw rfq@token.com.tw china factory : +86 755 26055363 page: 3 / 4 ? characteristics characteristics (r g m) type rgm74 rgm16m rgm17m rgm18m din type din: 0207 din: 0207 din: 0309 din: 0411 resistance range () 10k ~ 1g 10k ~ 1g 10k ~ 1g 10k ~ 1g resistance tolerance d(0.5%); f(1%); j(5.0%); k(10%) temperature coefficient 100ppm/ ; 200ppm/ rated dissipation (w) p70 0.50 1.0 2.0 3.0 operating voltage (v) u max 1600 1600 2000 3000 short time over load voltage (v) 3200 3200 4000 6000 operating temperature range - 55 ~ 125 endurance, max, resistance change at p70, r/r max., after 1000h .
a 0
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a 0
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a 0
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a 0
? insulation voltage >500v insulation resistance ! *
? order codes order codes (r gm) rgm16m 510k j tr part number rgm74 rgm16m rgm17m rgm18m 5 h v l v w d q f h 9 d o x h
51k .
510k .
5m1 0
51m 0
510m 0
resistance tolerance (%) d 0.5% f 1.0% j 5.0% k 10% package p bulk tr taping reel
taiwan factory : +886 2 29810109 http://www.token.com.tw rfq@token.com.tw china factory : +86 755 26055363 page: 4 / 4 ? general information token melf offers designer a greater choice token electronics is now offering the complete range of melf products, comprising din - 0411, din - 0309, din - 0207, din - 0204 and din - 0102. this high stability, close - tolerance melf resistors have a footprint very close to comparable chip resistors but maintain their tolerance and deliver higher stability over a wider temperature range. where applications require even tighter tolerance, token offer ultra precision range in the rjm package, with values from 0.1 ~ 22m, tolerance from 5% down to as low as 0.05 % and tc from 50ppm/ to 5ppm/ . for high pulse load and high - frequency applications, token electronics offer specialized melf resistor. the high pulse load resistors are metal glaze film rgm, available in values from 50k ~ 22m and 0.5% precision tole rance, for 0.125 w ~ 3w applications. high - frequency rfm resistors are available for rf microwave applications where impedance change due to the parasitic inductance of regular resistors is not acceptable. chip resistor alternatives in very low resistance values, between 0.1 and 475, not usually offered by conventional chip resistors, these are available in rjm72p 0102, rjm73p 0204, rjm74p 0207 and standard rjm18m 0411 melf precision packages. all melf - type resistors are available on blister tape for aut omated placement and maintain their high stability, high precision characteristics when exposed to soldering temperatures and operating stresses including moisture, vibration, humidity and temperature variation within the specified range. this makes them s uitable for a wide range of applications, from laboratory and prototyping work to installation in hostile environments such as airframe or under - bonnet areas, exposed parts of vehicles, or other places where electronic sensing and controls must be installe d.
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